| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| /** |
| * \file teximage.c |
| * Texture image-related functions. |
| */ |
| |
| #include <stdbool.h> |
| #include "glheader.h" |
| #include "bufferobj.h" |
| #include "context.h" |
| #include "enums.h" |
| #include "fbobject.h" |
| #include "framebuffer.h" |
| #include "hash.h" |
| #include "image.h" |
| #include "imports.h" |
| #include "macros.h" |
| #include "multisample.h" |
| #include "pixelstore.h" |
| #include "state.h" |
| #include "texcompress.h" |
| #include "texcompress_cpal.h" |
| #include "teximage.h" |
| #include "texobj.h" |
| #include "texstate.h" |
| #include "texstorage.h" |
| #include "textureview.h" |
| #include "mtypes.h" |
| #include "glformats.h" |
| #include "texstore.h" |
| #include "pbo.h" |
| |
| |
| /** |
| * State changes which we care about for glCopyTex[Sub]Image() calls. |
| * In particular, we care about pixel transfer state and buffer state |
| * (such as glReadBuffer to make sure we read from the right renderbuffer). |
| */ |
| #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL) |
| |
| /** |
| * Returns a corresponding internal floating point format for a given base |
| * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal |
| * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it |
| * needs to be a 16 bit component. |
| * |
| * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB. |
| */ |
| static GLenum |
| adjust_for_oes_float_texture(const struct gl_context *ctx, |
| GLenum format, GLenum type) |
| { |
| switch (type) { |
| case GL_FLOAT: |
| if (ctx->Extensions.OES_texture_float) { |
| switch (format) { |
| case GL_RGBA: |
| return GL_RGBA32F; |
| case GL_RGB: |
| return GL_RGB32F; |
| case GL_ALPHA: |
| return GL_ALPHA32F_ARB; |
| case GL_LUMINANCE: |
| return GL_LUMINANCE32F_ARB; |
| case GL_LUMINANCE_ALPHA: |
| return GL_LUMINANCE_ALPHA32F_ARB; |
| default: |
| break; |
| } |
| } |
| break; |
| |
| case GL_HALF_FLOAT_OES: |
| if (ctx->Extensions.OES_texture_half_float) { |
| switch (format) { |
| case GL_RGBA: |
| return GL_RGBA16F; |
| case GL_RGB: |
| return GL_RGB16F; |
| case GL_ALPHA: |
| return GL_ALPHA16F_ARB; |
| case GL_LUMINANCE: |
| return GL_LUMINANCE16F_ARB; |
| case GL_LUMINANCE_ALPHA: |
| return GL_LUMINANCE_ALPHA16F_ARB; |
| default: |
| break; |
| } |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| return format; |
| } |
| |
| |
| /** |
| * Install gl_texture_image in a gl_texture_object according to the target |
| * and level parameters. |
| * |
| * \param tObj texture object. |
| * \param target texture target. |
| * \param level image level. |
| * \param texImage texture image. |
| */ |
| static void |
| set_tex_image(struct gl_texture_object *tObj, |
| GLenum target, GLint level, |
| struct gl_texture_image *texImage) |
| { |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| assert(tObj); |
| assert(texImage); |
| if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES) |
| assert(level == 0); |
| |
| tObj->Image[face][level] = texImage; |
| |
| /* Set the 'back' pointer */ |
| texImage->TexObject = tObj; |
| texImage->Level = level; |
| texImage->Face = face; |
| } |
| |
| |
| /** |
| * Allocate a texture image structure. |
| * |
| * Called via ctx->Driver.NewTextureImage() unless overriden by a device |
| * driver. |
| * |
| * \return a pointer to gl_texture_image struct with all fields initialized to |
| * zero. |
| */ |
| struct gl_texture_image * |
| _mesa_new_texture_image( struct gl_context *ctx ) |
| { |
| (void) ctx; |
| return CALLOC_STRUCT(gl_texture_image); |
| } |
| |
| |
| /** |
| * Free a gl_texture_image and associated data. |
| * This function is a fallback called via ctx->Driver.DeleteTextureImage(). |
| * |
| * \param texImage texture image. |
| * |
| * Free the texture image structure and the associated image data. |
| */ |
| void |
| _mesa_delete_texture_image(struct gl_context *ctx, |
| struct gl_texture_image *texImage) |
| { |
| /* Free texImage->Data and/or any other driver-specific texture |
| * image storage. |
| */ |
| assert(ctx->Driver.FreeTextureImageBuffer); |
| ctx->Driver.FreeTextureImageBuffer( ctx, texImage ); |
| free(texImage); |
| } |
| |
| |
| /** |
| * Test if a target is a proxy target. |
| * |
| * \param target texture target. |
| * |
| * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise. |
| */ |
| GLboolean |
| _mesa_is_proxy_texture(GLenum target) |
| { |
| unsigned i; |
| static const GLenum targets[] = { |
| GL_PROXY_TEXTURE_1D, |
| GL_PROXY_TEXTURE_2D, |
| GL_PROXY_TEXTURE_3D, |
| GL_PROXY_TEXTURE_CUBE_MAP, |
| GL_PROXY_TEXTURE_RECTANGLE, |
| GL_PROXY_TEXTURE_1D_ARRAY, |
| GL_PROXY_TEXTURE_2D_ARRAY, |
| GL_PROXY_TEXTURE_CUBE_MAP_ARRAY, |
| GL_PROXY_TEXTURE_2D_MULTISAMPLE, |
| GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY |
| }; |
| /* |
| * NUM_TEXTURE_TARGETS should match number of terms above, except there's no |
| * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES. |
| */ |
| STATIC_ASSERT(NUM_TEXTURE_TARGETS == ARRAY_SIZE(targets) + 2); |
| |
| for (i = 0; i < ARRAY_SIZE(targets); ++i) |
| if (target == targets[i]) |
| return GL_TRUE; |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test if a target is an array target. |
| * |
| * \param target texture target. |
| * |
| * \return true if the target is an array target, false otherwise. |
| */ |
| bool |
| _mesa_is_array_texture(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return true; |
| default: |
| return false; |
| }; |
| } |
| |
| /** |
| * Test if a target is a cube map. |
| * |
| * \param target texture target. |
| * |
| * \return true if the target is a cube map, false otherwise. |
| */ |
| bool |
| _mesa_is_cube_map_texture(GLenum target) |
| { |
| switch(target) { |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Return the proxy target which corresponds to the given texture target |
| */ |
| static GLenum |
| proxy_target(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return GL_PROXY_TEXTURE_1D; |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return GL_PROXY_TEXTURE_2D; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| return GL_PROXY_TEXTURE_3D; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| return GL_PROXY_TEXTURE_CUBE_MAP; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return GL_PROXY_TEXTURE_RECTANGLE_NV; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return GL_PROXY_TEXTURE_1D_ARRAY_EXT; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return GL_PROXY_TEXTURE_2D_ARRAY_EXT; |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY; |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| return GL_PROXY_TEXTURE_2D_MULTISAMPLE; |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY; |
| default: |
| _mesa_problem(NULL, "unexpected target in proxy_target()"); |
| return 0; |
| } |
| } |
| |
| |
| |
| |
| /** |
| * Get a texture image pointer from a texture object, given a texture |
| * target and mipmap level. The target and level parameters should |
| * have already been error-checked. |
| * |
| * \param texObj texture unit. |
| * \param target texture target. |
| * \param level image level. |
| * |
| * \return pointer to the texture image structure, or NULL on failure. |
| */ |
| struct gl_texture_image * |
| _mesa_select_tex_image(const struct gl_texture_object *texObj, |
| GLenum target, GLint level) |
| { |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| assert(texObj); |
| assert(level >= 0); |
| assert(level < MAX_TEXTURE_LEVELS); |
| |
| return texObj->Image[face][level]; |
| } |
| |
| |
| /** |
| * Like _mesa_select_tex_image() but if the image doesn't exist, allocate |
| * it and install it. Only return NULL if passed a bad parameter or run |
| * out of memory. |
| */ |
| struct gl_texture_image * |
| _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj, |
| GLenum target, GLint level) |
| { |
| struct gl_texture_image *texImage; |
| |
| if (!texObj) |
| return NULL; |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| if (!texImage) { |
| texImage = ctx->Driver.NewTextureImage(ctx); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation"); |
| return NULL; |
| } |
| |
| set_tex_image(texObj, target, level, texImage); |
| } |
| |
| return texImage; |
| } |
| |
| |
| /** |
| * Return pointer to the specified proxy texture image. |
| * Note that proxy textures are per-context, not per-texture unit. |
| * \return pointer to texture image or NULL if invalid target, invalid |
| * level, or out of memory. |
| */ |
| static struct gl_texture_image * |
| get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level) |
| { |
| struct gl_texture_image *texImage; |
| GLuint texIndex; |
| |
| if (level < 0) |
| return NULL; |
| |
| switch (target) { |
| case GL_PROXY_TEXTURE_1D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_1D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_2D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_3D: |
| if (level >= ctx->Const.Max3DTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_3D_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| if (level >= ctx->Const.MaxCubeTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_CUBE_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| if (level > 0) |
| return NULL; |
| texIndex = TEXTURE_RECT_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_1D_ARRAY_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| if (level >= ctx->Const.MaxTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_2D_ARRAY_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| if (level >= ctx->Const.MaxCubeTextureLevels) |
| return NULL; |
| texIndex = TEXTURE_CUBE_ARRAY_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| if (level > 0) |
| return 0; |
| texIndex = TEXTURE_2D_MULTISAMPLE_INDEX; |
| break; |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| if (level > 0) |
| return 0; |
| texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX; |
| break; |
| default: |
| return NULL; |
| } |
| |
| texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level]; |
| if (!texImage) { |
| texImage = ctx->Driver.NewTextureImage(ctx); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation"); |
| return NULL; |
| } |
| ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage; |
| /* Set the 'back' pointer */ |
| texImage->TexObject = ctx->Texture.ProxyTex[texIndex]; |
| } |
| return texImage; |
| } |
| |
| |
| /** |
| * Get the maximum number of allowed mipmap levels. |
| * |
| * \param ctx GL context. |
| * \param target texture target. |
| * |
| * \return the maximum number of allowed mipmap levels for the given |
| * texture target, or zero if passed a bad target. |
| * |
| * \sa gl_constants. |
| */ |
| GLint |
| _mesa_max_texture_levels(struct gl_context *ctx, GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Const.MaxTextureLevels; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Const.Max3DTextureLevels; |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? ctx->Const.MaxCubeTextureLevels : 0; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle ? 1 : 0; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.EXT_texture_array |
| ? ctx->Const.MaxTextureLevels : 0; |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| return ctx->Extensions.ARB_texture_cube_map_array |
| ? ctx->Const.MaxCubeTextureLevels : 0; |
| case GL_TEXTURE_BUFFER: |
| return (_mesa_has_ARB_texture_buffer_object(ctx) || |
| _mesa_has_OES_texture_buffer(ctx)) ? 1 : 0; |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return (_mesa_is_desktop_gl(ctx) || _mesa_is_gles31(ctx)) |
| && ctx->Extensions.ARB_texture_multisample |
| ? 1 : 0; |
| case GL_TEXTURE_EXTERNAL_OES: |
| /* fall-through */ |
| default: |
| return 0; /* bad target */ |
| } |
| } |
| |
| |
| /** |
| * Return number of dimensions per mipmap level for the given texture target. |
| */ |
| GLint |
| _mesa_get_texture_dimensions(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return 1; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| case GL_TEXTURE_EXTERNAL_OES: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| return 2; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return 3; |
| case GL_TEXTURE_BUFFER: |
| /* fall-through */ |
| default: |
| _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()", |
| target); |
| return 2; |
| } |
| } |
| |
| |
| /** |
| * Check if a texture target can have more than one layer. |
| */ |
| GLboolean |
| _mesa_tex_target_is_layered(GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_BUFFER: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_EXTERNAL_OES: |
| return GL_FALSE; |
| |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return GL_TRUE; |
| |
| default: |
| assert(!"Invalid texture target."); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Return the number of layers present in the given level of an array, |
| * cubemap or 3D texture. If the texture is not layered return zero. |
| */ |
| GLuint |
| _mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level) |
| { |
| assert(level >= 0 && level < MAX_TEXTURE_LEVELS); |
| |
| switch (texObj->Target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_BUFFER: |
| case GL_TEXTURE_EXTERNAL_OES: |
| return 0; |
| |
| case GL_TEXTURE_CUBE_MAP: |
| return 6; |
| |
| case GL_TEXTURE_1D_ARRAY: { |
| struct gl_texture_image *img = texObj->Image[0][level]; |
| return img ? img->Height : 0; |
| } |
| |
| case GL_TEXTURE_3D: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: { |
| struct gl_texture_image *img = texObj->Image[0][level]; |
| return img ? img->Depth : 0; |
| } |
| |
| default: |
| assert(!"Invalid texture target."); |
| return 0; |
| } |
| } |
| |
| |
| /** |
| * Return the maximum number of mipmap levels for the given target |
| * and the dimensions. |
| * The dimensions are expected not to include the border. |
| */ |
| GLsizei |
| _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height, |
| GLsizei depth) |
| { |
| GLsizei size; |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| size = width; |
| break; |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| size = width; |
| break; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| size = MAX2(width, height); |
| break; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| size = MAX3(width, height, depth); |
| break; |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_EXTERNAL_OES: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return 1; |
| default: |
| assert(0); |
| return 1; |
| } |
| |
| return _mesa_logbase2(size) + 1; |
| } |
| |
| |
| #if 000 /* not used anymore */ |
| /* |
| * glTexImage[123]D can accept a NULL image pointer. In this case we |
| * create a texture image with unspecified image contents per the OpenGL |
| * spec. |
| */ |
| static GLubyte * |
| make_null_texture(GLint width, GLint height, GLint depth, GLenum format) |
| { |
| const GLint components = _mesa_components_in_format(format); |
| const GLint numPixels = width * height * depth; |
| GLubyte *data = (GLubyte *) malloc(numPixels * components * sizeof(GLubyte)); |
| |
| #ifdef DEBUG |
| /* |
| * Let's see if anyone finds this. If glTexImage2D() is called with |
| * a NULL image pointer then load the texture image with something |
| * interesting instead of leaving it indeterminate. |
| */ |
| if (data) { |
| static const char message[8][32] = { |
| " X X XXXXX XXX X ", |
| " XX XX X X X X X ", |
| " X X X X X X X ", |
| " X X XXXX XXX XXXXX ", |
| " X X X X X X ", |
| " X X X X X X X ", |
| " X X XXXXX XXX X X ", |
| " " |
| }; |
| |
| GLubyte *imgPtr = data; |
| GLint h, i, j, k; |
| for (h = 0; h < depth; h++) { |
| for (i = 0; i < height; i++) { |
| GLint srcRow = 7 - (i % 8); |
| for (j = 0; j < width; j++) { |
| GLint srcCol = j % 32; |
| GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70; |
| for (k = 0; k < components; k++) { |
| *imgPtr++ = texel; |
| } |
| } |
| } |
| } |
| } |
| #endif |
| |
| return data; |
| } |
| #endif |
| |
| |
| |
| /** |
| * Set the size and format-related fields of a gl_texture_image struct |
| * to zero. This is used when a proxy texture test fails. |
| */ |
| static void |
| clear_teximage_fields(struct gl_texture_image *img) |
| { |
| assert(img); |
| img->_BaseFormat = 0; |
| img->InternalFormat = 0; |
| img->Border = 0; |
| img->Width = 0; |
| img->Height = 0; |
| img->Depth = 0; |
| img->Width2 = 0; |
| img->Height2 = 0; |
| img->Depth2 = 0; |
| img->WidthLog2 = 0; |
| img->HeightLog2 = 0; |
| img->DepthLog2 = 0; |
| img->TexFormat = MESA_FORMAT_NONE; |
| img->NumSamples = 0; |
| img->FixedSampleLocations = GL_TRUE; |
| } |
| |
| |
| /** |
| * Initialize basic fields of the gl_texture_image struct. |
| * |
| * \param ctx GL context. |
| * \param img texture image structure to be initialized. |
| * \param width image width. |
| * \param height image height. |
| * \param depth image depth. |
| * \param border image border. |
| * \param internalFormat internal format. |
| * \param format the actual hardware format (one of MESA_FORMAT_*) |
| * \param numSamples number of samples per texel, or zero for non-MS. |
| * \param fixedSampleLocations are sample locations fixed? |
| * |
| * Fills in the fields of \p img with the given information. |
| * Note: width, height and depth include the border. |
| */ |
| static void |
| init_teximage_fields_ms(struct gl_context *ctx, |
| struct gl_texture_image *img, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum internalFormat, |
| mesa_format format, |
| GLuint numSamples, GLboolean fixedSampleLocations) |
| { |
| GLenum target; |
| assert(img); |
| assert(width >= 0); |
| assert(height >= 0); |
| assert(depth >= 0); |
| |
| target = img->TexObject->Target; |
| img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat ); |
| assert(img->_BaseFormat != -1); |
| img->InternalFormat = internalFormat; |
| img->Border = border; |
| img->Width = width; |
| img->Height = height; |
| img->Depth = depth; |
| |
| img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */ |
| img->WidthLog2 = _mesa_logbase2(img->Width2); |
| |
| img->NumSamples = 0; |
| img->FixedSampleLocations = GL_TRUE; |
| |
| switch(target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_BUFFER: |
| case GL_PROXY_TEXTURE_1D: |
| if (height == 0) |
| img->Height2 = 0; |
| else |
| img->Height2 = 1; |
| img->HeightLog2 = 0; |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| img->Height2 = height; /* no border */ |
| img->HeightLog2 = 0; /* not used */ |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_TEXTURE_EXTERNAL_OES: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| if (depth == 0) |
| img->Depth2 = 0; |
| else |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| break; |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| img->Depth2 = depth; /* no border */ |
| img->DepthLog2 = 0; /* not used */ |
| break; |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = _mesa_logbase2(img->Height2); |
| img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */ |
| img->DepthLog2 = _mesa_logbase2(img->Depth2); |
| break; |
| default: |
| _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()", |
| target); |
| } |
| |
| img->MaxNumLevels = |
| _mesa_get_tex_max_num_levels(target, |
| img->Width2, img->Height2, img->Depth2); |
| img->TexFormat = format; |
| img->NumSamples = numSamples; |
| img->FixedSampleLocations = fixedSampleLocations; |
| } |
| |
| |
| void |
| _mesa_init_teximage_fields(struct gl_context *ctx, |
| struct gl_texture_image *img, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum internalFormat, |
| mesa_format format) |
| { |
| init_teximage_fields_ms(ctx, img, width, height, depth, border, |
| internalFormat, format, 0, GL_TRUE); |
| } |
| |
| |
| /** |
| * Free and clear fields of the gl_texture_image struct. |
| * |
| * \param ctx GL context. |
| * \param texImage texture image structure to be cleared. |
| * |
| * After the call, \p texImage will have no data associated with it. Its |
| * fields are cleared so that its parent object will test incomplete. |
| */ |
| void |
| _mesa_clear_texture_image(struct gl_context *ctx, |
| struct gl_texture_image *texImage) |
| { |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| clear_teximage_fields(texImage); |
| } |
| |
| |
| /** |
| * Check the width, height, depth and border of a texture image are legal. |
| * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage |
| * functions. |
| * The target and level parameters will have already been validated. |
| * \return GL_TRUE if size is OK, GL_FALSE otherwise. |
| */ |
| GLboolean |
| _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target, |
| GLint level, GLint width, GLint height, |
| GLint depth, GLint border) |
| { |
| GLint maxSize; |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */ |
| maxSize >>= level; /* level size */ |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (depth < 2 * border || depth > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| if (level != 0) |
| return GL_FALSE; |
| maxSize = ctx->Const.MaxTextureRectSize; |
| if (width < 0 || width > maxSize) |
| return GL_FALSE; |
| if (height < 0 || height > maxSize) |
| return GL_FALSE; |
| return GL_TRUE; |
| |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); |
| maxSize >>= level; |
| if (width != height) |
| return GL_FALSE; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 0 || height > ctx->Const.MaxArrayTextureLayers) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| maxSize >>= level; |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); |
| if (width < 2 * border || width > 2 * border + maxSize) |
| return GL_FALSE; |
| if (height < 2 * border || height > 2 * border + maxSize) |
| return GL_FALSE; |
| if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers || depth % 6) |
| return GL_FALSE; |
| if (width != height) |
| return GL_FALSE; |
| if (level >= ctx->Const.MaxCubeTextureLevels) |
| return GL_FALSE; |
| if (!ctx->Extensions.ARB_texture_non_power_of_two) { |
| if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) |
| return GL_FALSE; |
| if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| default: |
| _mesa_problem(ctx, "Invalid target in _mesa_legal_texture_dimensions()"); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Do error checking of xoffset, yoffset, zoffset, width, height and depth |
| * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage. |
| * \param destImage the destination texture image. |
| * \return GL_TRUE if error found, GL_FALSE otherwise. |
| */ |
| static GLboolean |
| error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, |
| const struct gl_texture_image *destImage, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei subWidth, GLsizei subHeight, |
| GLsizei subDepth, const char *func) |
| { |
| const GLenum target = destImage->TexObject->Target; |
| GLuint bw, bh, bd; |
| |
| /* Check size */ |
| if (subWidth < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(width=%d)", func, subWidth); |
| return GL_TRUE; |
| } |
| |
| if (dims > 1 && subHeight < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(height=%d)", func, subHeight); |
| return GL_TRUE; |
| } |
| |
| if (dims > 2 && subDepth < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(depth=%d)", func, subDepth); |
| return GL_TRUE; |
| } |
| |
| /* check xoffset and width */ |
| if (xoffset < - (GLint) destImage->Border) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset)", func); |
| return GL_TRUE; |
| } |
| |
| if (xoffset + subWidth > (GLint) destImage->Width) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset+width)", func); |
| return GL_TRUE; |
| } |
| |
| /* check yoffset and height */ |
| if (dims > 1) { |
| GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border; |
| if (yoffset < -yBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset)", func); |
| return GL_TRUE; |
| } |
| if (yoffset + subHeight > (GLint) destImage->Height) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset+height)", func); |
| return GL_TRUE; |
| } |
| } |
| |
| /* check zoffset and depth */ |
| if (dims > 2) { |
| GLint depth; |
| GLint zBorder = (target == GL_TEXTURE_2D_ARRAY || |
| target == GL_TEXTURE_CUBE_MAP_ARRAY) ? |
| 0 : destImage->Border; |
| |
| if (zoffset < -zBorder) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset)", func); |
| return GL_TRUE; |
| } |
| |
| depth = (GLint) destImage->Depth; |
| if (target == GL_TEXTURE_CUBE_MAP) |
| depth = 6; |
| if (zoffset + subDepth > depth) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset+depth)", func); |
| return GL_TRUE; |
| } |
| } |
| |
| /* |
| * The OpenGL spec (and GL_ARB_texture_compression) says only whole |
| * compressed texture images can be updated. But, that restriction may be |
| * relaxed for particular compressed formats. At this time, all the |
| * compressed formats supported by Mesa allow sub-textures to be updated |
| * along compressed block boundaries. |
| */ |
| _mesa_get_format_block_size_3d(destImage->TexFormat, &bw, &bh, &bd); |
| |
| if (bw != 1 || bh != 1 || bd != 1) { |
| /* offset must be multiple of block size */ |
| if ((xoffset % bw != 0) || (yoffset % bh != 0) || (zoffset % bd != 0)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(xoffset = %d, yoffset = %d, zoffset = %d)", |
| func, xoffset, yoffset, zoffset); |
| return GL_TRUE; |
| } |
| |
| /* The size must be a multiple of bw x bh, or we must be using a |
| * offset+size that exactly hits the edge of the image. This |
| * is important for small mipmap levels (1x1, 2x1, etc) and for |
| * NPOT textures. |
| */ |
| if ((subWidth % bw != 0) && |
| (xoffset + subWidth != (GLint) destImage->Width)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(width = %d)", func, subWidth); |
| return GL_TRUE; |
| } |
| |
| if ((subHeight % bh != 0) && |
| (yoffset + subHeight != (GLint) destImage->Height)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(height = %d)", func, subHeight); |
| return GL_TRUE; |
| } |
| |
| if ((subDepth % bd != 0) && |
| (zoffset + subDepth != (GLint) destImage->Depth)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(depth = %d)", func, subDepth); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| |
| |
| /** |
| * This is the fallback for Driver.TestProxyTexImage() for doing device- |
| * specific texture image size checks. |
| * |
| * A hardware driver might override this function if, for example, the |
| * max 3D texture size is 512x512x64 (i.e. not a cube). |
| * |
| * Note that width, height, depth == 0 is not an error. However, a |
| * texture with zero width/height/depth will be considered "incomplete" |
| * and texturing will effectively be disabled. |
| * |
| * \param target any texture target/type |
| * \param level as passed to glTexImage |
| * \param format the MESA_FORMAT_x for the tex image |
| * \param width as passed to glTexImage |
| * \param height as passed to glTexImage |
| * \param depth as passed to glTexImage |
| * \param border as passed to glTexImage |
| * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable. |
| */ |
| GLboolean |
| _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level, |
| mesa_format format, |
| GLint width, GLint height, GLint depth, GLint border) |
| { |
| /* We just check if the image size is less than MaxTextureMbytes. |
| * Some drivers may do more specific checks. |
| */ |
| uint64_t bytes = _mesa_format_image_size64(format, width, height, depth); |
| uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */ |
| mbytes *= _mesa_num_tex_faces(target); |
| return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes; |
| } |
| |
| |
| /** |
| * Return true if the format is only valid for glCompressedTexImage. |
| */ |
| static bool |
| compressedteximage_only_format(const struct gl_context *ctx, GLenum format) |
| { |
| switch (format) { |
| case GL_ETC1_RGB8_OES: |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Return true if the format doesn't support online compression. |
| */ |
| bool |
| _mesa_format_no_online_compression(const struct gl_context *ctx, GLenum format) |
| { |
| return _mesa_is_astc_format(format) || |
| compressedteximage_only_format(ctx, format); |
| } |
| |
| /* Writes to an GL error pointer if non-null and returns whether or not the |
| * error is GL_NO_ERROR */ |
| static bool |
| write_error(GLenum *err_ptr, GLenum error) |
| { |
| if (err_ptr) |
| *err_ptr = error; |
| |
| return error == GL_NO_ERROR; |
| } |
| |
| /** |
| * Helper function to determine whether a target and specific compression |
| * format are supported. The error parameter returns GL_NO_ERROR if the |
| * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION |
| * or GL_INVALID_ENUM, whichever is more appropriate. |
| */ |
| GLboolean |
| _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target, |
| GLenum intFormat, GLenum *error) |
| { |
| GLboolean target_can_be_compresed = GL_FALSE; |
| mesa_format format = _mesa_glenum_to_compressed_format(intFormat); |
| enum mesa_format_layout layout = _mesa_get_format_layout(format); |
| |
| switch (target) { |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| target_can_be_compresed = GL_TRUE; /* true for any compressed format so far */ |
| break; |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map; |
| break; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| target_can_be_compresed = ctx->Extensions.EXT_texture_array; |
| break; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| /* From the KHR_texture_compression_astc_hdr spec: |
| * |
| * Add a second new column "3D Tex." which is empty for all non-ASTC |
| * formats. If only the LDR profile is supported by the |
| * implementation, this column is also empty for all ASTC formats. If |
| * both the LDR and HDR profiles are supported only, this column is |
| * checked for all ASTC formats. |
| * |
| * Add a third new column "Cube Map Array Tex." which is empty for all |
| * non-ASTC formats, and checked for all ASTC formats. |
| * |
| * and, |
| * |
| * 'An INVALID_OPERATION error is generated by CompressedTexImage3D |
| * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the |
| * "Cube Map Array" column of table 8.19 is *not* checked, or if |
| * <internalformat> is TEXTURE_3D and the "3D Tex." column of table |
| * 8.19 is *not* checked' |
| * |
| * The instances of <internalformat> above should say <target>. |
| * |
| * ETC2/EAC formats are the only alternative in GLES and thus such errors |
| * have already been handled by normal ETC2/EAC behavior. |
| */ |
| |
| /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec: |
| * |
| * "The ETC2/EAC texture compression algorithm supports only |
| * two-dimensional images. If internalformat is an ETC2/EAC format, |
| * glCompressedTexImage3D will generate an INVALID_OPERATION error if |
| * target is not TEXTURE_2D_ARRAY." |
| * |
| * This should also be applicable for glTexStorage3D(). Other available |
| * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY. |
| */ |
| if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx)) |
| return write_error(error, GL_INVALID_OPERATION); |
| target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map_array; |
| break; |
| case GL_TEXTURE_3D: |
| switch (layout) { |
| case MESA_FORMAT_LAYOUT_ETC2: |
| /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */ |
| if (_mesa_is_gles3(ctx)) |
| return write_error(error, GL_INVALID_OPERATION); |
| break; |
| case MESA_FORMAT_LAYOUT_BPTC: |
| target_can_be_compresed = ctx->Extensions.ARB_texture_compression_bptc; |
| break; |
| case MESA_FORMAT_LAYOUT_ASTC: |
| target_can_be_compresed = |
| ctx->Extensions.KHR_texture_compression_astc_hdr; |
| |
| /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and |
| * and the hdr extension is not supported. |
| * See comment in switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info. |
| */ |
| if (!target_can_be_compresed) |
| return write_error(error, GL_INVALID_OPERATION); |
| break; |
| default: |
| break; |
| } |
| default: |
| break; |
| } |
| return write_error(error, |
| target_can_be_compresed ? GL_NO_ERROR : GL_INVALID_ENUM); |
| } |
| |
| |
| /** |
| * Check if the given texture target value is legal for a |
| * glTexImage1/2/3D call. |
| */ |
| static GLboolean |
| legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target) |
| { |
| switch (dims) { |
| case 1: |
| switch (target) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| return _mesa_is_desktop_gl(ctx); |
| default: |
| return GL_FALSE; |
| } |
| case 2: |
| switch (target) { |
| case GL_TEXTURE_2D: |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_2D: |
| return _mesa_is_desktop_gl(ctx); |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.NV_texture_rectangle; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; |
| default: |
| return GL_FALSE; |
| } |
| case 3: |
| switch (target) { |
| case GL_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_3D: |
| return _mesa_is_desktop_gl(ctx); |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) |
| || _mesa_is_gles3(ctx); |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| return ctx->Extensions.ARB_texture_cube_map_array; |
| default: |
| return GL_FALSE; |
| } |
| default: |
| _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Check if the given texture target value is legal for a |
| * glTexSubImage, glCopyTexSubImage or glCopyTexImage call. |
| * The difference compared to legal_teximage_target() above is that |
| * proxy targets are not supported. |
| */ |
| static GLboolean |
| legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target, |
| bool dsa) |
| { |
| switch (dims) { |
| case 1: |
| return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D; |
| case 2: |
| switch (target) { |
| case GL_TEXTURE_2D: |
| return GL_TRUE; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_TEXTURE_RECTANGLE_NV: |
| return _mesa_is_desktop_gl(ctx) |
| && ctx->Extensions.NV_texture_rectangle; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array; |
| default: |
| return GL_FALSE; |
| } |
| case 3: |
| switch (target) { |
| case GL_TEXTURE_3D: |
| return GL_TRUE; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) |
| || _mesa_is_gles3(ctx); |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| return ctx->Extensions.ARB_texture_cube_map_array; |
| |
| /* Table 8.15 of the OpenGL 4.5 core profile spec |
| * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D |
| * and CopyTextureSubImage3D. |
| */ |
| case GL_TEXTURE_CUBE_MAP: |
| return dsa; |
| default: |
| return GL_FALSE; |
| } |
| default: |
| _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()", |
| dims); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Helper function to determine if a texture object is mutable (in terms |
| * of GL_ARB_texture_storage). |
| */ |
| static GLboolean |
| mutable_tex_object(struct gl_context *ctx, GLenum target) |
| { |
| struct gl_texture_object *texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return GL_FALSE; |
| |
| return !texObj->Immutable; |
| } |
| |
| |
| /** |
| * Return expected size of a compressed texture. |
| */ |
| static GLuint |
| compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, |
| GLenum glformat) |
| { |
| mesa_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); |
| return _mesa_format_image_size(mesaFormat, width, height, depth); |
| } |
| |
| /** |
| * Verify that a texture format is valid with a particular target |
| * |
| * In particular, textures with base format of \c GL_DEPTH_COMPONENT or |
| * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture |
| * targets. |
| * |
| * \param ctx GL context |
| * \param target Texture target |
| * \param internalFormat Internal format of the texture image |
| * |
| * \returns true if the combination is legal, false otherwise. |
| */ |
| bool |
| _mesa_legal_texture_base_format_for_target(struct gl_context *ctx, |
| GLenum target, GLenum internalFormat) |
| { |
| if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT |
| || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL |
| || _mesa_base_tex_format(ctx, internalFormat) == GL_STENCIL_INDEX) { |
| /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core |
| * Profile spec says: |
| * |
| * "Textures with a base internal format of DEPTH_COMPONENT or |
| * DEPTH_STENCIL are supported by texture image specification |
| * commands only if target is TEXTURE_1D, TEXTURE_2D, |
| * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE, |
| * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D, |
| * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY, |
| * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these |
| * formats in conjunction with any other target will result in an |
| * INVALID_OPERATION error." |
| * |
| * Cubemaps are only supported with desktop OpenGL version >= 3.0, |
| * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map. |
| */ |
| if (target != GL_TEXTURE_1D && |
| target != GL_PROXY_TEXTURE_1D && |
| target != GL_TEXTURE_2D && |
| target != GL_PROXY_TEXTURE_2D && |
| target != GL_TEXTURE_1D_ARRAY && |
| target != GL_PROXY_TEXTURE_1D_ARRAY && |
| target != GL_TEXTURE_2D_ARRAY && |
| target != GL_PROXY_TEXTURE_2D_ARRAY && |
| target != GL_TEXTURE_RECTANGLE_ARB && |
| target != GL_PROXY_TEXTURE_RECTANGLE_ARB && |
| !((_mesa_is_cube_face(target) || |
| target == GL_TEXTURE_CUBE_MAP || |
| target == GL_PROXY_TEXTURE_CUBE_MAP) && |
| (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4 |
| || (ctx->API == API_OPENGLES2 && ctx->Extensions.OES_depth_texture_cube_map))) && |
| !((target == GL_TEXTURE_CUBE_MAP_ARRAY || |
| target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY) && |
| ctx->Extensions.ARB_texture_cube_map_array)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool |
| texture_formats_agree(GLenum internalFormat, |
| GLenum format) |
| { |
| GLboolean colorFormat; |
| GLboolean is_format_depth_or_depthstencil; |
| GLboolean is_internalFormat_depth_or_depthstencil; |
| |
| /* Even though there are no color-index textures, we still have to support |
| * uploading color-index data and remapping it to RGB via the |
| * GL_PIXEL_MAP_I_TO_[RGBA] tables. |
| */ |
| const GLboolean indexFormat = (format == GL_COLOR_INDEX); |
| |
| is_internalFormat_depth_or_depthstencil = |
| _mesa_is_depth_format(internalFormat) || |
| _mesa_is_depthstencil_format(internalFormat); |
| |
| is_format_depth_or_depthstencil = |
| _mesa_is_depth_format(format) || |
| _mesa_is_depthstencil_format(format); |
| |
| colorFormat = _mesa_is_color_format(format); |
| |
| if (_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) |
| return false; |
| |
| if (is_internalFormat_depth_or_depthstencil != |
| is_format_depth_or_depthstencil) |
| return false; |
| |
| if (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * Test the combination of format, type and internal format arguments of |
| * different texture operations on GLES. |
| * |
| * \param ctx GL context. |
| * \param format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param internalFormat internal format given by the user. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param callerName name of the caller function to print in the error message |
| * |
| * \return true if a error is found, false otherwise |
| * |
| * Currently, it is used by texture_error_check() and texsubimage_error_check(). |
| */ |
| static bool |
| texture_format_error_check_gles(struct gl_context *ctx, GLenum format, |
| GLenum type, GLenum internalFormat, |
| GLuint dimensions, const char *callerName) |
| { |
| GLenum err; |
| |
| if (_mesa_is_gles3(ctx)) { |
| err = _mesa_es3_error_check_format_and_type(ctx, format, type, |
| internalFormat); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "%s(format = %s, type = %s, internalformat = %s)", |
| callerName, _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type), |
| _mesa_enum_to_string(internalFormat)); |
| return true; |
| } |
| } |
| else { |
| err = _mesa_es_error_check_format_and_type(ctx, format, type, dimensions); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, "%s(format = %s, type = %s)", |
| callerName, _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type)); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Test the glTexImage[123]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user (already validated). |
| * \param level image level given by the user. |
| * \param internalFormat internal format given by the user. |
| * \param format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param depth image depth given by the user. |
| * \param border image border given by the user. |
| * |
| * \return GL_TRUE if a error is found, GL_FALSE otherwise |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| * Note that we don't fully error-check the width, height, depth values |
| * here. That's done in _mesa_legal_texture_dimensions() which is used |
| * by several other GL entrypoints. Plus, texture dims have a special |
| * interaction with proxy textures. |
| */ |
| static GLboolean |
| texture_error_check( struct gl_context *ctx, |
| GLuint dimensions, GLenum target, |
| GLint level, GLint internalFormat, |
| GLenum format, GLenum type, |
| GLint width, GLint height, |
| GLint depth, GLint border, |
| const GLvoid *pixels ) |
| { |
| GLenum err; |
| |
| /* Note: for proxy textures, some error conditions immediately generate |
| * a GL error in the usual way. But others do not generate a GL error. |
| * Instead, they cause the width, height, depth, format fields of the |
| * texture image to be zeroed-out. The GL spec seems to indicate that the |
| * zero-out behaviour is only used in cases related to memory allocation. |
| */ |
| |
| /* level check */ |
| if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((ctx->API != API_OPENGL_COMPAT || |
| target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(border=%d)", dimensions, border); |
| return GL_TRUE; |
| } |
| |
| if (width < 0 || height < 0 || depth < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(width, height or depth < 0)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* Check incoming image format and type */ |
| err = _mesa_error_check_format_and_type(ctx, format, type); |
| if (err != GL_NO_ERROR) { |
| /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of |
| * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec: |
| * |
| * "Specifying a value for internalformat that is not one of the |
| * above (acceptable) values generates the error INVALID VALUE." |
| */ |
| if (err == GL_INVALID_ENUM && _mesa_is_gles(ctx) && ctx->Version < 20) |
| err = GL_INVALID_VALUE; |
| |
| _mesa_error(ctx, err, |
| "glTexImage%dD(incompatible format = %s, type = %s)", |
| dimensions, _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type)); |
| return GL_TRUE; |
| } |
| |
| /* Check internalFormat */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(internalFormat=%s)", |
| dimensions, _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * combinations of format, internalFormat, and type that can be used. |
| * Formats and types that require additional extensions (e.g., GL_FLOAT |
| * requires GL_OES_texture_float) are filtered elsewhere. |
| */ |
| if (_mesa_is_gles(ctx) && |
| texture_format_error_check_gles(ctx, format, type, internalFormat, |
| dimensions, "glTexImage%dD")) { |
| return GL_TRUE; |
| } |
| |
| /* validate the bound PBO, if any */ |
| if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, |
| width, height, depth, format, type, |
| INT_MAX, pixels, "glTexImage")) { |
| return GL_TRUE; |
| } |
| |
| /* make sure internal format and format basically agree */ |
| if (!texture_formats_agree(internalFormat, format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(incompatible internalFormat = %s, format = %s)", |
| dimensions, _mesa_enum_to_string(internalFormat), |
| _mesa_enum_to_string(format)); |
| return GL_TRUE; |
| } |
| |
| /* additional checks for ycbcr textures */ |
| if (internalFormat == GL_YCBCR_MESA) { |
| assert(ctx->Extensions.MESA_ycbcr_texture); |
| if (type != GL_UNSIGNED_SHORT_8_8_MESA && |
| type != GL_UNSIGNED_SHORT_8_8_REV_MESA) { |
| char message[100]; |
| _mesa_snprintf(message, sizeof(message), |
| "glTexImage%dD(format/type YCBCR mismatch)", |
| dimensions); |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s", message); |
| return GL_TRUE; /* error */ |
| } |
| if (target != GL_TEXTURE_2D && |
| target != GL_PROXY_TEXTURE_2D && |
| target != GL_TEXTURE_RECTANGLE_NV && |
| target != GL_PROXY_TEXTURE_RECTANGLE_NV) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage%dD(bad target for YCbCr texture)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| char message[100]; |
| _mesa_snprintf(message, sizeof(message), |
| "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)", |
| dimensions, border); |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s", message); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for depth textures */ |
| if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(bad target for texture)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* additional checks for compressed textures */ |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| GLenum err; |
| if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) { |
| _mesa_error(ctx, err, |
| "glTexImage%dD(target can't be compressed)", dimensions); |
| return GL_TRUE; |
| } |
| if (_mesa_format_no_online_compression(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(border!=0)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for integer textures */ |
| if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) && |
| (_mesa_is_enum_format_integer(format) != |
| _mesa_is_enum_format_integer(internalFormat))) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(integer/non-integer format mismatch)", |
| dimensions); |
| return GL_TRUE; |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(immutable texture)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Error checking for glCompressedTexImage[123]D(). |
| * Note that the width, height and depth values are not fully error checked |
| * here. |
| * \return GL_TRUE if a error is found, GL_FALSE otherwise |
| */ |
| static GLenum |
| compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, |
| GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLsizei depth, GLint border, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| const GLint maxLevels = _mesa_max_texture_levels(ctx, target); |
| GLint expectedSize; |
| GLenum error = GL_NO_ERROR; |
| char *reason = ""; /* no error */ |
| |
| if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &error)) { |
| reason = "target"; |
| goto error; |
| } |
| |
| /* This will detect any invalid internalFormat value */ |
| if (!_mesa_is_compressed_format(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCompressedTexImage%dD(internalFormat=%s)", |
| dimensions, _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| |
| /* validate the bound PBO, if any */ |
| if (!_mesa_validate_pbo_source_compressed(ctx, dimensions, &ctx->Unpack, |
| imageSize, data, |
| "glCompressedTexImage")) { |
| return GL_TRUE; |
| } |
| |
| switch (internalFormat) { |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| /* check level (note that level should be zero or less!) */ |
| if (level > 0 || level < -maxLevels) { |
| reason = "level"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| if (dimensions != 2) { |
| reason = "compressed paletted textures must be 2D"; |
| error = GL_INVALID_OPERATION; |
| goto error; |
| } |
| |
| /* Figure out the expected texture size (in bytes). This will be |
| * checked against the actual size later. |
| */ |
| expectedSize = _mesa_cpal_compressed_size(level, internalFormat, |
| width, height); |
| |
| /* This is for the benefit of the TestProxyTexImage below. It expects |
| * level to be non-negative. OES_compressed_paletted_texture uses a |
| * weird mechanism where the level specified to glCompressedTexImage2D |
| * is -(n-1) number of levels in the texture, and the data specifies the |
| * complete mipmap stack. This is done to ensure the palette is the |
| * same for all levels. |
| */ |
| level = -level; |
| break; |
| |
| default: |
| /* check level */ |
| if (level < 0 || level >= maxLevels) { |
| reason = "level"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| /* Figure out the expected texture size (in bytes). This will be |
| * checked against the actual size later. |
| */ |
| expectedSize = compressed_tex_size(width, height, depth, internalFormat); |
| break; |
| } |
| |
| /* This should really never fail */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) { |
| reason = "internalFormat"; |
| error = GL_INVALID_ENUM; |
| goto error; |
| } |
| |
| /* No compressed formats support borders at this time */ |
| if (border != 0) { |
| reason = "border != 0"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| /* Check for invalid pixel storage modes */ |
| if (!_mesa_compressed_pixel_storage_error_check(ctx, dimensions, |
| &ctx->Unpack, |
| "glCompressedTexImage")) { |
| return GL_FALSE; |
| } |
| |
| /* check image size in bytes */ |
| if (expectedSize != imageSize) { |
| /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...] |
| * if <imageSize> is not consistent with the format, dimensions, and |
| * contents of the specified image. |
| */ |
| reason = "imageSize inconsistent with width/height/format"; |
| error = GL_INVALID_VALUE; |
| goto error; |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| reason = "immutable texture"; |
| error = GL_INVALID_OPERATION; |
| goto error; |
| } |
| |
| return GL_FALSE; |
| |
| error: |
| /* Note: not all error paths exit through here. */ |
| _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", |
| dimensions, reason); |
| return GL_TRUE; |
| } |
| |
| |
| |
| /** |
| * Test glTexSubImage[123]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user (already validated) |
| * \param level image level given by the user. |
| * \param xoffset sub-image x offset given by the user. |
| * \param yoffset sub-image y offset given by the user. |
| * \param zoffset sub-image z offset given by the user. |
| * \param format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param depth image depth given by the user. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| */ |
| static GLboolean |
| texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, |
| struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type, const GLvoid *pixels, |
| bool dsa, const char *callerName) |
| { |
| struct gl_texture_image *texImage; |
| GLenum err; |
| |
| if (!texObj) { |
| /* must be out of memory */ |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", callerName); |
| return GL_TRUE; |
| } |
| |
| /* level check */ |
| if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level); |
| return GL_TRUE; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| if (!texImage) { |
| /* non-existant texture level */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture image)", |
| callerName); |
| return GL_TRUE; |
| } |
| |
| err = _mesa_error_check_format_and_type(ctx, format, type); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "%s(incompatible format = %s, type = %s)", |
| callerName, _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type)); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * combinations of format, internalFormat, and type that can be used. |
| * Formats and types that require additional extensions (e.g., GL_FLOAT |
| * requires GL_OES_texture_float) are filtered elsewhere. |
| */ |
| if (_mesa_is_gles(ctx) && |
| texture_format_error_check_gles(ctx, format, type, |
| texImage->InternalFormat, |
| dimensions, callerName)) { |
| return GL_TRUE; |
| } |
| |
| /* validate the bound PBO, if any */ |
| if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, |
| width, height, depth, format, type, |
| INT_MAX, pixels, callerName)) { |
| return GL_TRUE; |
| } |
| |
| if (error_check_subtexture_dimensions(ctx, dimensions, |
| texImage, xoffset, yoffset, zoffset, |
| width, height, depth, callerName)) { |
| return GL_TRUE; |
| } |
| |
| if (_mesa_is_format_compressed(texImage->TexFormat)) { |
| if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(no compression for format)", callerName); |
| return GL_TRUE; |
| } |
| } |
| |
| if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) { |
| /* both source and dest must be integer-valued, or neither */ |
| if (_mesa_is_format_integer_color(texImage->TexFormat) != |
| _mesa_is_enum_format_integer(format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(integer/non-integer format mismatch)", callerName); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test glCopyTexImage[12]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \param target texture target given by the user. |
| * \param level image level given by the user. |
| * \param internalFormat internal format given by the user. |
| * \param width image width given by the user. |
| * \param height image height given by the user. |
| * \param border texture border. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| * |
| * Verifies each of the parameters against the constants specified in |
| * __struct gl_contextRec::Const and the supported extensions, and according |
| * to the OpenGL specification. |
| */ |
| static GLboolean |
| copytexture_error_check( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, GLint internalFormat, |
| GLint width, GLint height, GLint border ) |
| { |
| GLint baseFormat; |
| GLint rb_base_format; |
| struct gl_renderbuffer *rb; |
| GLenum rb_internal_format; |
| |
| /* check target */ |
| if (!legal_texsubimage_target(ctx, dimensions, target, false)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)", |
| dimensions, _mesa_enum_to_string(target)); |
| return GL_TRUE; |
| } |
| |
| /* level check */ |
| if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check that the source buffer is complete */ |
| if (_mesa_is_user_fbo(ctx->ReadBuffer)) { |
| if (ctx->ReadBuffer->_Status == 0) { |
| _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); |
| } |
| if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { |
| _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, |
| "glCopyTexImage%dD(invalid readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (ctx->ReadBuffer->Visual.samples > 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(multisample FBO)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((ctx->API != API_OPENGL_COMPAT || |
| target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(border=%d)", dimensions, border); |
| return GL_TRUE; |
| } |
| |
| /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the |
| * internalFormat. |
| */ |
| if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { |
| switch (internalFormat) { |
| case GL_ALPHA: |
| case GL_RGB: |
| case GL_RGBA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| break; |
| default: |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexImage%dD(internalFormat=%s)", dimensions, |
| _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| } else { |
| /* |
| * Section 8.6 (Alternate Texture Image Specification Commands) of the |
| * OpenGL 4.5 (Compatibility Profile) spec says: |
| * |
| * "Parameters level, internalformat, and border are specified using |
| * the same values, with the same meanings, as the corresponding |
| * arguments of TexImage2D, except that internalformat may not be |
| * specified as 1, 2, 3, or 4." |
| */ |
| if (internalFormat >= 1 && internalFormat <= 4) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexImage%dD(internalFormat=%d)", dimensions, |
| internalFormat); |
| return GL_TRUE; |
| } |
| } |
| |
| baseFormat = _mesa_base_tex_format(ctx, internalFormat); |
| if (baseFormat < 0) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexImage%dD(internalFormat=%s)", dimensions, |
| _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| |
| rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat); |
| if (rb == NULL) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(read buffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| rb_internal_format = rb->InternalFormat; |
| rb_base_format = _mesa_base_tex_format(ctx, rb->InternalFormat); |
| if (_mesa_is_color_format(internalFormat)) { |
| if (rb_base_format < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(internalFormat=%s)", dimensions, |
| _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_gles(ctx)) { |
| bool valid = true; |
| if (_mesa_base_format_component_count(baseFormat) > |
| _mesa_base_format_component_count(rb_base_format)) { |
| valid = false; |
| } |
| if (baseFormat == GL_DEPTH_COMPONENT || |
| baseFormat == GL_DEPTH_STENCIL || |
| baseFormat == GL_STENCIL_INDEX || |
| rb_base_format == GL_DEPTH_COMPONENT || |
| rb_base_format == GL_DEPTH_STENCIL || |
| rb_base_format == GL_STENCIL_INDEX || |
| ((baseFormat == GL_LUMINANCE_ALPHA || |
| baseFormat == GL_ALPHA) && |
| rb_base_format != GL_RGBA) || |
| internalFormat == GL_RGB9_E5) { |
| valid = false; |
| } |
| if (internalFormat == GL_RGB9_E5) { |
| valid = false; |
| } |
| if (!valid) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(internalFormat=%s)", dimensions, |
| _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_gles3(ctx)) { |
| bool rb_is_srgb = false; |
| bool dst_is_srgb = false; |
| |
| if (ctx->Extensions.EXT_framebuffer_sRGB && |
| _mesa_get_format_color_encoding(rb->Format) == GL_SRGB) { |
| rb_is_srgb = true; |
| } |
| |
| if (_mesa_get_linear_internalformat(internalFormat) != internalFormat) { |
| dst_is_srgb = true; |
| } |
| |
| if (rb_is_srgb != dst_is_srgb) { |
| /* Page 137 (page 149 of the PDF) in section 3.8.5 of the |
| * OpenGLES 3.0.0 spec says: |
| * |
| * "The error INVALID_OPERATION is also generated if the |
| * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the |
| * framebuffer attachment corresponding to the read buffer |
| * is LINEAR (see section 6.1.13) and internalformat is |
| * one of the sRGB formats described in section 3.8.16, or |
| * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is |
| * SRGB and internalformat is not one of the sRGB formats." |
| */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(srgb usage mismatch)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels |
| * types for SNORM formats. Also, conversion to SNORM formats is not |
| * allowed by Table 3.2 on Page 110. |
| */ |
| if (_mesa_is_enum_format_snorm(internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(internalFormat=%s)", dimensions, |
| _mesa_enum_to_string(internalFormat)); |
| return GL_TRUE; |
| } |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, baseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(missing readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* From the EXT_texture_integer spec: |
| * |
| * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage* |
| * if the texture internalformat is an integer format and the read color |
| * buffer is not an integer format, or if the internalformat is not an |
| * integer format and the read color buffer is an integer format." |
| */ |
| if (_mesa_is_color_format(internalFormat)) { |
| bool is_int = _mesa_is_enum_format_integer(internalFormat); |
| bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format); |
| bool is_unorm = _mesa_is_enum_format_unorm(internalFormat); |
| bool is_rbunorm = _mesa_is_enum_format_unorm(rb_internal_format); |
| if (is_int || is_rbint) { |
| if (is_int != is_rbint) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(integer vs non-integer)", dimensions); |
| return GL_TRUE; |
| } else if (_mesa_is_gles(ctx) && |
| _mesa_is_enum_format_unsigned_int(internalFormat) != |
| _mesa_is_enum_format_unsigned_int(rb_internal_format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(signed vs unsigned integer)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* From page 138 of OpenGL ES 3.0 spec: |
| * "The error INVALID_OPERATION is generated if floating-point RGBA |
| * data is required; if signed integer RGBA data is required and the |
| * format of the current color buffer is not signed integer; if |
| * unsigned integer RGBA data is required and the format of the |
| * current color buffer is not unsigned integer; or if fixed-point |
| * RGBA data is required and the format of the current color buffer |
| * is not fixed-point. |
| */ |
| if (_mesa_is_gles(ctx) && is_unorm != is_rbunorm) |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(unorm vs non-unorm)", dimensions); |
| } |
| |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| GLenum err; |
| if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) { |
| _mesa_error(ctx, err, |
| "glCopyTexImage%dD(target can't be compressed)", dimensions); |
| return GL_TRUE; |
| } |
| if (_mesa_format_no_online_compression(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(no compression for format)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(border!=0)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (!mutable_tex_object(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(immutable texture)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test glCopyTexSubImage[12]D() parameters for errors. |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| */ |
| static GLboolean |
| copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, |
| const struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, const char *caller) |
| { |
| struct gl_texture_image *texImage; |
| |
| /* Check that the source buffer is complete */ |
| if (_mesa_is_user_fbo(ctx->ReadBuffer)) { |
| if (ctx->ReadBuffer->_Status == 0) { |
| _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer); |
| } |
| if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { |
| _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, |
| "%s(invalid readbuffer)", caller); |
| return GL_TRUE; |
| } |
| |
| if (ctx->ReadBuffer->Visual.samples > 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(multisample FBO)", caller); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Check level */ |
| if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", caller, level); |
| return GL_TRUE; |
| } |
| |
| /* Get dest image pointers */ |
| if (!texObj) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", caller); |
| return GL_TRUE; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| if (!texImage) { |
| /* destination image does not exist */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(invalid texture image)", caller); |
| return GL_TRUE; |
| } |
| |
| if (error_check_subtexture_dimensions(ctx, dimensions, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, 1, caller)) { |
| return GL_TRUE; |
| } |
| |
| if (_mesa_is_format_compressed(texImage->TexFormat)) { |
| if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(no compression for format)", caller); |
| return GL_TRUE; |
| } |
| } |
| |
| if (texImage->InternalFormat == GL_YCBCR_MESA) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s()", caller); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(missing readbuffer, format=%s)", caller, |
| _mesa_enum_to_string(texImage->_BaseFormat)); |
| return GL_TRUE; |
| } |
| |
| /* From the EXT_texture_integer spec: |
| * |
| * "INVALID_OPERATION is generated by CopyTexImage* and |
| * CopyTexSubImage* if the texture internalformat is an integer format |
| * and the read color buffer is not an integer format, or if the |
| * internalformat is not an integer format and the read color buffer |
| * is an integer format." |
| */ |
| if (_mesa_is_color_format(texImage->InternalFormat)) { |
| struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; |
| |
| if (_mesa_is_format_integer_color(rb->Format) != |
| _mesa_is_format_integer_color(texImage->TexFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(integer vs non-integer)", caller); |
| return GL_TRUE; |
| } |
| } |
| |
| /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source |
| * framebuffer/destination texture base internal format combinations), |
| * all the entries for stencil are left blank (unsupported). |
| */ |
| if (_mesa_is_gles(ctx) && _mesa_is_stencil_format(texImage->_BaseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(stencil disallowed)", caller); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** Callback info for walking over FBO hash table */ |
| struct cb_info |
| { |
| struct gl_context *ctx; |
| struct gl_texture_object *texObj; |
| GLuint level, face; |
| }; |
| |
| |
| /** |
| * Check render to texture callback. Called from _mesa_HashWalk(). |
| */ |
| static void |
| check_rtt_cb(GLuint key, void *data, void *userData) |
| { |
| struct gl_framebuffer *fb = (struct gl_framebuffer *) data; |
| const struct cb_info *info = (struct cb_info *) userData; |
| struct gl_context *ctx = info->ctx; |
| const struct gl_texture_object *texObj = info->texObj; |
| const GLuint level = info->level, face = info->face; |
| |
| /* If this is a user-created FBO */ |
| if (_mesa_is_user_fbo(fb)) { |
| GLuint i; |
| /* check if any of the FBO's attachments point to 'texObj' */ |
| for (i = 0; i < BUFFER_COUNT; i++) { |
| struct gl_renderbuffer_attachment *att = fb->Attachment + i; |
| if (att->Type == GL_TEXTURE && |
| att->Texture == texObj && |
| att->TextureLevel == level && |
| att->CubeMapFace == face) { |
| _mesa_update_texture_renderbuffer(ctx, ctx->DrawBuffer, att); |
| assert(att->Renderbuffer->TexImage); |
| /* Mark fb status as indeterminate to force re-validation */ |
| fb->_Status = 0; |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * When a texture image is specified we have to check if it's bound to |
| * any framebuffer objects (render to texture) in order to detect changes |
| * in size or format since that effects FBO completeness. |
| * Any FBOs rendering into the texture must be re-validated. |
| */ |
| void |
| _mesa_update_fbo_texture(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLuint face, GLuint level) |
| { |
| /* Only check this texture if it's been marked as RenderToTexture */ |
| if (texObj->_RenderToTexture) { |
| struct cb_info info; |
| info.ctx = ctx; |
| info.texObj = texObj; |
| info.level = level; |
| info.face = face; |
| _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info); |
| } |
| } |
| |
| |
| /** |
| * If the texture object's GenerateMipmap flag is set and we've |
| * changed the texture base level image, regenerate the rest of the |
| * mipmap levels now. |
| */ |
| static inline void |
| check_gen_mipmap(struct gl_context *ctx, GLenum target, |
| struct gl_texture_object *texObj, GLint level) |
| { |
| if (texObj->GenerateMipmap && |
| level == texObj->BaseLevel && |
| level < texObj->MaxLevel) { |
| assert(ctx->Driver.GenerateMipmap); |
| ctx->Driver.GenerateMipmap(ctx, target, texObj); |
| } |
| } |
| |
| |
| /** Debug helper: override the user-requested internal format */ |
| static GLenum |
| override_internal_format(GLenum internalFormat, GLint width, GLint height) |
| { |
| #if 0 |
| if (internalFormat == GL_RGBA16F_ARB || |
| internalFormat == GL_RGBA32F_ARB) { |
| printf("Convert rgba float tex to int %d x %d\n", width, height); |
| return GL_RGBA; |
| } |
| else if (internalFormat == GL_RGB16F_ARB || |
| internalFormat == GL_RGB32F_ARB) { |
| printf("Convert rgb float tex to int %d x %d\n", width, height); |
| return GL_RGB; |
| } |
| else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB || |
| internalFormat == GL_LUMINANCE_ALPHA32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_LUMINANCE_ALPHA; |
| } |
| else if (internalFormat == GL_LUMINANCE16F_ARB || |
| internalFormat == GL_LUMINANCE32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_LUMINANCE; |
| } |
| else if (internalFormat == GL_ALPHA16F_ARB || |
| internalFormat == GL_ALPHA32F_ARB) { |
| printf("Convert luminance float tex to int %d x %d\n", width, height); |
| return GL_ALPHA; |
| } |
| /* |
| else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) { |
| internalFormat = GL_RGBA; |
| } |
| */ |
| else { |
| return internalFormat; |
| } |
| #else |
| return internalFormat; |
| #endif |
| } |
| |
| |
| /** |
| * Choose the actual hardware format for a texture image. |
| * Try to use the same format as the previous image level when possible. |
| * Otherwise, ask the driver for the best format. |
| * It's important to try to choose a consistant format for all levels |
| * for efficient texture memory layout/allocation. In particular, this |
| * comes up during automatic mipmap generation. |
| */ |
| mesa_format |
| _mesa_choose_texture_format(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLenum internalFormat, GLenum format, GLenum type) |
| { |
| mesa_format f; |
| |
| /* see if we've already chosen a format for the previous level */ |
| if (level > 0) { |
| struct gl_texture_image *prevImage = |
| _mesa_select_tex_image(texObj, target, level - 1); |
| /* See if the prev level is defined and has an internal format which |
| * matches the new internal format. |
| */ |
| if (prevImage && |
| prevImage->Width > 0 && |
| prevImage->InternalFormat == internalFormat) { |
| /* use the same format */ |
| assert(prevImage->TexFormat != MESA_FORMAT_NONE); |
| return prevImage->TexFormat; |
| } |
| } |
| |
| /* If the application requested compression to an S3TC format but we don't |
| * have the DXTn library, force a generic compressed format instead. |
| */ |
| if (internalFormat != format && format != GL_NONE) { |
| const GLenum before = internalFormat; |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| if (!ctx->Mesa_DXTn) |
| internalFormat = GL_COMPRESSED_RGB; |
| break; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| if (!ctx->Mesa_DXTn) |
| internalFormat = GL_COMPRESSED_RGBA; |
| break; |
| default: |
| break; |
| } |
| |
| if (before != internalFormat) { |
| _mesa_warning(ctx, |
| "DXT compression requested (%s), " |
| "but libtxc_dxtn library not installed. Using %s " |
| "instead.", |
| _mesa_enum_to_string(before), |
| _mesa_enum_to_string(internalFormat)); |
| } |
| } |
| |
| /* choose format from scratch */ |
| f = ctx->Driver.ChooseTextureFormat(ctx, target, internalFormat, |
| format, type); |
| assert(f != MESA_FORMAT_NONE); |
| return f; |
| } |
| |
| |
| /** |
| * Adjust pixel unpack params and image dimensions to strip off the |
| * one-pixel texture border. |
| * |
| * Gallium and intel don't support texture borders. They've seldem been used |
| * and seldom been implemented correctly anyway. |
| * |
| * \param unpackNew returns the new pixel unpack parameters |
| */ |
| static void |
| strip_texture_border(GLenum target, |
| GLint *width, GLint *height, GLint *depth, |
| const struct gl_pixelstore_attrib *unpack, |
| struct gl_pixelstore_attrib *unpackNew) |
| { |
| assert(width); |
| assert(height); |
| assert(depth); |
| |
| *unpackNew = *unpack; |
| |
| if (unpackNew->RowLength == 0) |
| unpackNew->RowLength = *width; |
| |
| if (unpackNew->ImageHeight == 0) |
| unpackNew->ImageHeight = *height; |
| |
| assert(*width >= 3); |
| unpackNew->SkipPixels++; /* skip the border */ |
| *width = *width - 2; /* reduce the width by two border pixels */ |
| |
| /* The min height of a texture with a border is 3 */ |
| if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) { |
| unpackNew->SkipRows++; /* skip the border */ |
| *height = *height - 2; /* reduce the height by two border pixels */ |
| } |
| |
| if (*depth >= 3 && |
| target != GL_TEXTURE_2D_ARRAY && |
| target != GL_TEXTURE_CUBE_MAP_ARRAY) { |
| unpackNew->SkipImages++; /* skip the border */ |
| *depth = *depth - 2; /* reduce the depth by two border pixels */ |
| } |
| } |
| |
| |
| /** |
| * Common code to implement all the glTexImage1D/2D/3D functions |
| * as well as glCompressedTexImage1D/2D/3D. |
| * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls. |
| * \param format the user's image format (only used if !compressed) |
| * \param type the user's image type (only used if !compressed) |
| * \param imageSize only used for glCompressedTexImage1D/2D/3D calls. |
| */ |
| static void |
| teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims, |
| GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| GLsizei imageSize, const GLvoid *pixels) |
| { |
| const char *func = compressed ? "glCompressedTexImage" : "glTexImage"; |
| struct gl_pixelstore_attrib unpack_no_border; |
| const struct gl_pixelstore_attrib *unpack = &ctx->Unpack; |
| struct gl_texture_object *texObj; |
| mesa_format texFormat; |
| GLboolean dimensionsOK, sizeOK; |
| |
| FLUSH_VERTICES(ctx, 0); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) { |
| if (compressed) |
| _mesa_debug(ctx, |
| "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n", |
| dims, |
| _mesa_enum_to_string(target), level, |
| _mesa_enum_to_string(internalFormat), |
| width, height, depth, border, pixels); |
| else |
| _mesa_debug(ctx, |
| "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n", |
| dims, |
| _mesa_enum_to_string(target), level, |
| _mesa_enum_to_string(internalFormat), |
| width, height, depth, border, |
| _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type), pixels); |
| } |
| |
| internalFormat = override_internal_format(internalFormat, width, height); |
| |
| /* target error checking */ |
| if (!legal_teximage_target(ctx, dims, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)", |
| func, dims, _mesa_enum_to_string(target)); |
| return; |
| } |
| |
| /* general error checking */ |
| if (compressed) { |
| if (compressed_texture_error_check(ctx, dims, target, level, |
| internalFormat, |
| width, height, depth, |
| border, imageSize, pixels)) |
| return; |
| } |
| else { |
| if (texture_error_check(ctx, dims, target, level, internalFormat, |
| format, type, width, height, depth, border, |
| pixels)) |
| return; |
| } |
| |
| /* Here we convert a cpal compressed image into a regular glTexImage2D |
| * call by decompressing the texture. If we really want to support cpal |
| * textures in any driver this would have to be changed. |
| */ |
| if (ctx->API == API_OPENGLES && compressed && dims == 2) { |
| switch (internalFormat) { |
| case GL_PALETTE4_RGB8_OES: |
| case GL_PALETTE4_RGBA8_OES: |
| case GL_PALETTE4_R5_G6_B5_OES: |
| case GL_PALETTE4_RGBA4_OES: |
| case GL_PALETTE4_RGB5_A1_OES: |
| case GL_PALETTE8_RGB8_OES: |
| case GL_PALETTE8_RGBA8_OES: |
| case GL_PALETTE8_R5_G6_B5_OES: |
| case GL_PALETTE8_RGBA4_OES: |
| case GL_PALETTE8_RGB5_A1_OES: |
| _mesa_cpal_compressed_teximage2d(target, level, internalFormat, |
| width, height, imageSize, pixels); |
| return; |
| } |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| assert(texObj); |
| |
| if (compressed) { |
| /* For glCompressedTexImage() the driver has no choice about the |
| * texture format since we'll never transcode the user's compressed |
| * image data. The internalFormat was error checked earlier. |
| */ |
| texFormat = _mesa_glenum_to_compressed_format(internalFormat); |
| } |
| else { |
| /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized |
| * internal floating point format for the given base format. |
| */ |
| if (_mesa_is_gles(ctx) && format == internalFormat) { |
| if (type == GL_FLOAT) { |
| texObj->_IsFloat = GL_TRUE; |
| } else if (type == GL_HALF_FLOAT_OES || type == GL_HALF_FLOAT) { |
| texObj->_IsHalfFloat = GL_TRUE; |
| } |
| |
| internalFormat = adjust_for_oes_float_texture(ctx, format, type); |
| } |
| |
| texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, |
| internalFormat, format, type); |
| } |
| |
| assert(texFormat != MESA_FORMAT_NONE); |
| |
| /* check that width, height, depth are legal for the mipmap level */ |
| dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, level, width, |
| height, depth, border); |
| |
| /* check that the texture won't take too much memory, etc */ |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, proxy_target(target), |
| level, texFormat, |
| width, height, depth, border); |
| |
| if (_mesa_is_proxy_texture(target)) { |
| /* Proxy texture: just clear or set state depending on error checking */ |
| struct gl_texture_image *texImage = |
| get_proxy_tex_image(ctx, target, level); |
| |
| if (!texImage) |
| return; /* GL_OUT_OF_MEMORY already recorded */ |
| |
| if (dimensionsOK && sizeOK) { |
| _mesa_init_teximage_fields(ctx, texImage, width, height, depth, |
| border, internalFormat, texFormat); |
| } |
| else { |
| clear_teximage_fields(texImage); |
| } |
| } |
| else { |
| /* non-proxy target */ |
| const GLuint face = _mesa_tex_target_to_face(target); |
| struct gl_texture_image *texImage; |
| |
| if (!dimensionsOK) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s%uD(invalid width or height or depth)", |
| func, dims); |
| return; |
| } |
| |
| if (!sizeOK) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, |
| "%s%uD(image too large: %d x %d x %d, %s format)", |
| func, dims, width, height, depth, |
| _mesa_enum_to_string(internalFormat)); |
| return; |
| } |
| |
| /* Allow a hardware driver to just strip out the border, to provide |
| * reliable but slightly incorrect hardware rendering instead of |
| * rarely-tested software fallback rendering. |
| */ |
| if (border && ctx->Const.StripTextureBorder) { |
| strip_texture_border(target, &width, &height, &depth, unpack, |
| &unpack_no_border); |
| border = 0; |
| unpack = &unpack_no_border; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims); |
| } |
| else { |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| _mesa_init_teximage_fields(ctx, texImage, |
| width, height, depth, |
| border, internalFormat, texFormat); |
| |
| /* Give the texture to the driver. <pixels> may be null. */ |
| if (width > 0 && height > 0 && depth > 0) { |
| if (compressed) { |
| ctx->Driver.CompressedTexImage(ctx, dims, texImage, |
| imageSize, pixels); |
| } |
| else { |
| ctx->Driver.TexImage(ctx, dims, texImage, format, |
| type, pixels, unpack); |
| } |
| } |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| _mesa_update_fbo_texture(ctx, texObj, face, level); |
| |
| _mesa_dirty_texobj(ctx, texObj); |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| } |
| |
| |
| |
| /* |
| * Called from the API. Note that width includes the border. |
| */ |
| void GLAPIENTRY |
| _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLint border, GLenum format, |
| GLenum type, const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLint border, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| /* |
| * Called by the API or display list executor. |
| * Note that width and height include the border. |
| */ |
| void GLAPIENTRY |
| _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_FALSE, 3, target, level, internalFormat, |
| width, height, depth, |
| border, format, type, 0, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height, |
| depth, border, format, type, pixels); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| bool valid_target; |
| GET_CURRENT_CONTEXT(ctx); |
| FLUSH_VERTICES(ctx, 0); |
| |
| switch (target) { |
| case GL_TEXTURE_2D: |
| valid_target = ctx->Extensions.OES_EGL_image; |
| break; |
| case GL_TEXTURE_EXTERNAL_OES: |
| valid_target = |
| _mesa_is_gles(ctx) ? ctx->Extensions.OES_EGL_image_external : false; |
| break; |
| default: |
| valid_target = false; |
| break; |
| } |
| |
| if (!valid_target) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glEGLImageTargetTexture2D(target=%d)", target); |
| return; |
| } |
| |
| if (!image) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glEGLImageTargetTexture2D(image=%p)", image); |
| return; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_lock_texture(ctx, texObj); |
| |
| if (texObj->Immutable) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glEGLImageTargetTexture2D(texture is immutable)"); |
| _mesa_unlock_texture(ctx, texObj); |
| return; |
| } |
| |
| texImage = _mesa_get_tex_image(ctx, texObj, target, 0); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D"); |
| } else { |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| ctx->Driver.EGLImageTargetTexture2D(ctx, target, |
| texObj, texImage, image); |
| |
| _mesa_dirty_texobj(ctx, texObj); |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| /** |
| * Helper that implements the glTexSubImage1/2/3D() |
| * and glTextureSubImage1/2/3D() functions. |
| */ |
| void |
| _mesa_texture_sub_image(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const GLvoid *pixels, |
| bool dsa) |
| { |
| FLUSH_VERTICES(ctx, 0); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| if (width > 0 && height > 0 && depth > 0) { |
| /* If we have a border, offset=-1 is legal. Bias by border width. */ |
| switch (dims) { |
| case 3: |
| if (target != GL_TEXTURE_2D_ARRAY) |
| zoffset += texImage->Border; |
| /* fall-through */ |
| case 2: |
| if (target != GL_TEXTURE_1D_ARRAY) |
| yoffset += texImage->Border; |
| /* fall-through */ |
| case 1: |
| xoffset += texImage->Border; |
| } |
| |
| ctx->Driver.TexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, &ctx->Unpack); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* NOTE: Don't signal _NEW_TEXTURE since we've only changed |
| * the texel data, not the texture format, size, etc. |
| */ |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| /** |
| * Implement all the glTexSubImage1/2/3D() functions. |
| * Must split this out this way because of GL_TEXTURE_CUBE_MAP. |
| */ |
| static void |
| texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const GLvoid *pixels, |
| const char *callerName) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| /* check target (proxies not allowed) */ |
| if (!legal_texsubimage_target(ctx, dims, target, false)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)", |
| dims, _mesa_enum_to_string(target)); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (texsubimage_error_check(ctx, dims, texObj, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, format, type, |
| pixels, false, callerName)) { |
| return; /* error was detected */ |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| /* texsubimage_error_check ensures that texImage is not NULL */ |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n", |
| dims, |
| _mesa_enum_to_string(target), level, |
| xoffset, yoffset, zoffset, width, height, depth, |
| _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type), pixels); |
| |
| _mesa_texture_sub_image(ctx, dims, texObj, texImage, target, level, |
| xoffset, yoffset, zoffset, width, height, depth, |
| format, type, pixels, false); |
| } |
| |
| |
| /** |
| * Implement all the glTextureSubImage1/2/3D() functions. |
| * Must split this out this way because of GL_TEXTURE_CUBE_MAP. |
| */ |
| static void |
| texturesubimage(struct gl_context *ctx, GLuint dims, |
| GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const GLvoid *pixels, |
| const char *callerName) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| int i; |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, |
| "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n", |
| dims, texture, level, |
| xoffset, yoffset, zoffset, width, height, depth, |
| _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type), pixels); |
| |
| /* Get the texture object by Name. */ |
| texObj = _mesa_lookup_texture(ctx, texture); |
| if (!texObj) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureSubImage%uD(texture)", |
| dims); |
| return; |
| } |
| |
| /* check target (proxies not allowed) */ |
| if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)", |
| callerName, _mesa_enum_to_string(texObj->Target)); |
| return; |
| } |
| |
| if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, format, type, |
| pixels, true, callerName)) { |
| return; /* error was detected */ |
| } |
| |
| |
| /* Must handle special case GL_TEXTURE_CUBE_MAP. */ |
| if (texObj->Target == GL_TEXTURE_CUBE_MAP) { |
| GLint imageStride; |
| |
| /* |
| * What do we do if the user created a texture with the following code |
| * and then called this function with its handle? |
| * |
| * GLuint tex; |
| * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex); |
| * glBindTexture(GL_TEXTURE_CUBE_MAP, tex); |
| * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...); |
| * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...); |
| * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...); |
| * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the |
| * // wrong format, or given the wrong size, etc. |
| * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...); |
| * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...); |
| * |
| * A bug has been filed against the spec for this case. In the |
| * meantime, we will check for cube completeness. |
| * |
| * According to Section 8.17 Texture Completeness in the OpenGL 4.5 |
| * Core Profile spec (30.10.2014): |
| * "[A] cube map texture is cube complete if the |
| * following conditions all hold true: The [base level] texture |
| * images of each of the six cube map faces have identical, positive, |
| * and square dimensions. The [base level] images were each specified |
| * with the same internal format." |
| * |
| * It seems reasonable to check for cube completeness of an arbitrary |
| * level here so that the image data has a consistent format and size. |
| */ |
| if (!_mesa_cube_level_complete(texObj, level)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTextureSubImage%uD(cube map incomplete)", |
| dims); |
| return; |
| } |
| |
| imageStride = _mesa_image_image_stride(&ctx->Unpack, width, height, |
| format, type); |
| /* Copy in each face. */ |
| for (i = zoffset; i < zoffset + depth; ++i) { |
| texImage = texObj->Image[i][level]; |
| assert(texImage); |
| |
| _mesa_texture_sub_image(ctx, 3, texObj, texImage, texObj->Target, |
| level, xoffset, yoffset, 0, |
| width, height, 1, format, |
| type, pixels, true); |
| pixels = (GLubyte *) pixels + imageStride; |
| } |
| } |
| else { |
| texImage = _mesa_select_tex_image(texObj, texObj->Target, level); |
| assert(texImage); |
| |
| _mesa_texture_sub_image(ctx, dims, texObj, texImage, texObj->Target, |
| level, xoffset, yoffset, zoffset, |
| width, height, depth, format, |
| type, pixels, true); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLsizei width, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 1, target, level, |
| xoffset, 0, 0, |
| width, 1, 1, |
| format, type, pixels, "glTexSubImage1D"); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 2, target, level, |
| xoffset, yoffset, 0, |
| width, height, 1, |
| format, type, pixels, "glTexSubImage2D"); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texsubimage(ctx, 3, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, "glTexSubImage3D"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureSubImage1D(GLuint texture, GLint level, |
| GLint xoffset, GLsizei width, |
| GLenum format, GLenum type, |
| const GLvoid *pixels) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texturesubimage(ctx, 1, texture, level, |
| xoffset, 0, 0, |
| width, 1, 1, |
| format, type, pixels, "glTextureSubImage1D"); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TextureSubImage2D(GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLenum type, |
| const GLvoid *pixels) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texturesubimage(ctx, 2, texture, level, |
| xoffset, yoffset, 0, |
| width, height, 1, |
| format, type, pixels, "glTextureSubImage2D"); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TextureSubImage3D(GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid *pixels) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| texturesubimage(ctx, 3, texture, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, "glTextureSubImage3D"); |
| } |
| |
| |
| /** |
| * For glCopyTexSubImage, return the source renderbuffer to copy texel data |
| * from. This depends on whether the texture contains color or depth values. |
| */ |
| static struct gl_renderbuffer * |
| get_copy_tex_image_source(struct gl_context *ctx, mesa_format texFormat) |
| { |
| if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) { |
| /* reading from depth/stencil buffer */ |
| return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; |
| } else if (_mesa_get_format_bits(texFormat, GL_STENCIL_BITS) > 0) { |
| return ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer; |
| } else { |
| /* copying from color buffer */ |
| return ctx->ReadBuffer->_ColorReadBuffer; |
| } |
| } |
| |
| static void |
| copytexsubimage_by_slice(struct gl_context *ctx, |
| struct gl_texture_image *texImage, |
| GLuint dims, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| struct gl_renderbuffer *rb, |
| GLint x, GLint y, |
| GLsizei width, GLsizei height) |
| { |
| if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) { |
| int slice; |
| |
| /* For 1D arrays, we copy each scanline of the source rectangle into the |
| * next array slice. |
| */ |
| assert(zoffset == 0); |
| |
| for (slice = 0; slice < height; slice++) { |
| assert(yoffset + slice < texImage->Height); |
| ctx->Driver.CopyTexSubImage(ctx, 2, texImage, |
| xoffset, 0, yoffset + slice, |
| rb, x, y + slice, width, 1); |
| } |
| } else { |
| ctx->Driver.CopyTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| rb, x, y, width, height); |
| } |
| } |
| |
| static GLboolean |
| formats_differ_in_component_sizes(mesa_format f1, mesa_format f2) |
| { |
| GLint f1_r_bits = _mesa_get_format_bits(f1, GL_RED_BITS); |
| GLint f1_g_bits = _mesa_get_format_bits(f1, GL_GREEN_BITS); |
| GLint f1_b_bits = _mesa_get_format_bits(f1, GL_BLUE_BITS); |
| GLint f1_a_bits = _mesa_get_format_bits(f1, GL_ALPHA_BITS); |
| |
| GLint f2_r_bits = _mesa_get_format_bits(f2, GL_RED_BITS); |
| GLint f2_g_bits = _mesa_get_format_bits(f2, GL_GREEN_BITS); |
| GLint f2_b_bits = _mesa_get_format_bits(f2, GL_BLUE_BITS); |
| GLint f2_a_bits = _mesa_get_format_bits(f2, GL_ALPHA_BITS); |
| |
| if ((f1_r_bits && f2_r_bits && f1_r_bits != f2_r_bits) |
| || (f1_g_bits && f2_g_bits && f1_g_bits != f2_g_bits) |
| || (f1_b_bits && f2_b_bits && f1_b_bits != f2_b_bits) |
| || (f1_a_bits && f2_a_bits && f1_a_bits != f2_a_bits)) |
| return GL_TRUE; |
| |
| return GL_FALSE; |
| } |
| |
| static bool |
| can_avoid_reallocation(struct gl_texture_image *texImage, GLenum internalFormat, |
| mesa_format texFormat, GLint x, GLint y, GLsizei width, |
| GLsizei height, GLint border) |
| { |
| if (texImage->InternalFormat != internalFormat) |
| return false; |
| if (texImage->TexFormat != texFormat) |
| return false; |
| if (texImage->Border != border) |
| return false; |
| if (texImage->Width2 != width) |
| return false; |
| if (texImage->Height2 != height) |
| return false; |
| return true; |
| } |
| |
| /** |
| * Implement the glCopyTexImage1/2D() functions. |
| */ |
| static void |
| copyteximage(struct gl_context *ctx, GLuint dims, |
| GLenum target, GLint level, GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, GLint border ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| mesa_format texFormat; |
| struct gl_renderbuffer *rb; |
| |
| FLUSH_VERTICES(ctx, 0); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n", |
| dims, |
| _mesa_enum_to_string(target), level, |
| _mesa_enum_to_string(internalFormat), |
| x, y, width, height, border); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexture_error_check(ctx, dims, target, level, internalFormat, |
| width, height, border)) |
| return; |
| |
| if (!_mesa_legal_texture_dimensions(ctx, target, level, width, height, |
| 1, border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%uD(invalid width or height)", dims); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| assert(texObj); |
| |
| texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| /* First check if reallocating the texture buffer can be avoided. |
| * Without the realloc the copy can be 20x faster. |
| */ |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat, |
| x, y, width, height, border)) { |
| _mesa_unlock_texture(ctx, texObj); |
| return _mesa_copy_texture_sub_image(ctx, dims, texObj, target, level, |
| 0, 0, 0, x, y, width, height, |
| "CopyTexImage"); |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_LOW, "glCopyTexImage " |
| "can't avoid reallocating texture storage\n"); |
| |
| rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat); |
| |
| if (_mesa_is_gles3(ctx)) { |
| if (_mesa_is_enum_format_unsized(internalFormat)) { |
| /* Conversion from GL_RGB10_A2 source buffer format is not allowed in |
| * OpenGL ES 3.0. Khronos bug# 9807. |
| */ |
| if (rb->InternalFormat == GL_RGB10_A2) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer" |
| " and writing to unsized internal format)", dims); |
| return; |
| } |
| } |
| /* From Page 139 of OpenGL ES 3.0 spec: |
| * "If internalformat is sized, the internal format of the new texel |
| * array is internalformat, and this is also the new texel array’s |
| * effective internal format. If the component sizes of internalformat |
| * do not exactly match the corresponding component sizes of the source |
| * buffer’s effective internal format, described below, an |
| * INVALID_OPERATION error is generated. If internalformat is unsized, |
| * the internal format of the new texel array is the effective internal |
| * format of the source buffer, and this is also the new texel array’s |
| * effective internal format. |
| */ |
| else if (formats_differ_in_component_sizes (texFormat, rb->Format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%uD(componenet size changed in" |
| " internal format)", dims); |
| return; |
| } |
| } |
| |
| assert(texFormat != MESA_FORMAT_NONE); |
| |
| if (!ctx->Driver.TestProxyTexImage(ctx, proxy_target(target), |
| level, texFormat, |
| width, height, 1, border)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, |
| "glCopyTexImage%uD(image too large)", dims); |
| return; |
| } |
| |
| if (border && ctx->Const.StripTextureBorder) { |
| x += border; |
| width -= border * 2; |
| if (dims == 2) { |
| y += border; |
| height -= border * 2; |
| } |
| border = 0; |
| } |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims); |
| } |
| else { |
| GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0; |
| |
| /* Free old texture image */ |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| _mesa_init_teximage_fields(ctx, texImage, width, height, 1, |
| border, internalFormat, texFormat); |
| |
| if (width && height) { |
| /* Allocate texture memory (no pixel data yet) */ |
| ctx->Driver.AllocTextureImageBuffer(ctx, texImage); |
| |
| if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY, |
| &width, &height)) { |
| struct gl_renderbuffer *srcRb = |
| get_copy_tex_image_source(ctx, texImage->TexFormat); |
| |
| copytexsubimage_by_slice(ctx, texImage, dims, |
| dstX, dstY, dstZ, |
| srcRb, srcX, srcY, width, height); |
| } |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| } |
| |
| _mesa_update_fbo_texture(ctx, texObj, face, level); |
| |
| _mesa_dirty_texobj(ctx, texObj); |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage1D( GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, |
| GLsizei width, GLint border ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copyteximage(ctx, 1, target, level, internalFormat, x, y, width, 1, border); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, |
| GLint border ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| copyteximage(ctx, 2, target, level, internalFormat, |
| x, y, width, height, border); |
| } |
| |
| /** |
| * Implementation for glCopyTex(ture)SubImage1/2/3D() functions. |
| */ |
| void |
| _mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, |
| GLsizei width, GLsizei height, |
| const char *caller) |
| { |
| struct gl_texture_image *texImage; |
| |
| FLUSH_VERTICES(ctx, 0); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller, |
| _mesa_enum_to_string(target), |
| level, xoffset, yoffset, zoffset, x, y, width, height); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexsubimage_error_check(ctx, dims, texObj, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, caller)) { |
| return; |
| } |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| |
| /* If we have a border, offset=-1 is legal. Bias by border width. */ |
| switch (dims) { |
| case 3: |
| if (target != GL_TEXTURE_2D_ARRAY) |
| zoffset += texImage->Border; |
| /* fall-through */ |
| case 2: |
| if (target != GL_TEXTURE_1D_ARRAY) |
| yoffset += texImage->Border; |
| /* fall-through */ |
| case 1: |
| xoffset += texImage->Border; |
| } |
| |
| if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, |
| &width, &height)) { |
| struct gl_renderbuffer *srcRb = |
| get_copy_tex_image_source(ctx, texImage->TexFormat); |
| |
| copytexsubimage_by_slice(ctx, texImage, dims, |
| xoffset, yoffset, zoffset, |
| srcRb, x, y, width, height); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* NOTE: Don't signal _NEW_TEXTURE since we've only changed |
| * the texel data, not the texture format, size, etc. |
| */ |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLint x, GLint y, GLsizei width ) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTexSubImage1D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Check target (proxies not allowed). Target must be checked prior to |
| * calling _mesa_get_current_tex_object. |
| */ |
| if (!legal_texsubimage_target(ctx, 1, target, false)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(target)); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_copy_texture_sub_image(ctx, 1, texObj, target, level, xoffset, 0, 0, |
| x, y, width, 1, self); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTexSubImage2D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Check target (proxies not allowed). Target must be checked prior to |
| * calling _mesa_get_current_tex_object. |
| */ |
| if (!legal_texsubimage_target(ctx, 2, target, false)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(target)); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_copy_texture_sub_image(ctx, 2, texObj, target, level, |
| xoffset, yoffset, 0, |
| x, y, width, height, self); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTexSubImage3D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Check target (proxies not allowed). Target must be checked prior to |
| * calling _mesa_get_current_tex_object. |
| */ |
| if (!legal_texsubimage_target(ctx, 3, target, false)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(target)); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_copy_texture_sub_image(ctx, 3, texObj, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height, self); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CopyTextureSubImage1D(GLuint texture, GLint level, |
| GLint xoffset, GLint x, GLint y, GLsizei width) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTextureSubImage1D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, self); |
| if (!texObj) |
| return; |
| |
| /* Check target (proxies not allowed). */ |
| if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(texObj->Target)); |
| return; |
| } |
| |
| _mesa_copy_texture_sub_image(ctx, 1, texObj, texObj->Target, level, |
| xoffset, 0, 0, x, y, width, 1, self); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CopyTextureSubImage2D(GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTextureSubImage2D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, self); |
| if (!texObj) |
| return; |
| |
| /* Check target (proxies not allowed). */ |
| if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(texObj->Target)); |
| return; |
| } |
| |
| _mesa_copy_texture_sub_image(ctx, 2, texObj, texObj->Target, level, |
| xoffset, yoffset, 0, |
| x, y, width, height, self); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTextureSubImage3D(GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| struct gl_texture_object* texObj; |
| const char *self = "glCopyTextureSubImage3D"; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, self); |
| if (!texObj) |
| return; |
| |
| /* Check target (proxies not allowed). */ |
| if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, |
| _mesa_enum_to_string(texObj->Target)); |
| return; |
| } |
| |
| if (texObj->Target == GL_TEXTURE_CUBE_MAP) { |
| /* Act like CopyTexSubImage2D */ |
| _mesa_copy_texture_sub_image(ctx, 2, texObj, |
| GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset, |
| level, xoffset, yoffset, 0, |
| x, y, width, height, self); |
| } |
| else |
| _mesa_copy_texture_sub_image(ctx, 3, texObj, texObj->Target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height, self); |
| } |
| |
| static bool |
| check_clear_tex_image(struct gl_context *ctx, |
| const char *function, |
| struct gl_texture_image *texImage, |
| GLenum format, GLenum type, |
| const void *data, |
| GLubyte *clearValue) |
| { |
| struct gl_texture_object *texObj = texImage->TexObject; |
| static const GLubyte zeroData[MAX_PIXEL_BYTES]; |
| GLenum internalFormat = texImage->InternalFormat; |
| GLenum err; |
| |
| if (texObj->Target == GL_TEXTURE_BUFFER) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(buffer texture)", function); |
| return false; |
| } |
| |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(compressed texture)", function); |
| return false; |
| } |
| |
| err = _mesa_error_check_format_and_type(ctx, format, type); |
| if (err != GL_NO_ERROR) { |
| _mesa_error(ctx, err, |
| "%s(incompatible format = %s, type = %s)", |
| function, |
| _mesa_enum_to_string(format), |
| _mesa_enum_to_string(type)); |
| return false; |
| } |
| |
| /* make sure internal format and format basically agree */ |
| if (!texture_formats_agree(internalFormat, format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(incompatible internalFormat = %s, format = %s)", |
| function, |
| _mesa_enum_to_string(internalFormat), |
| _mesa_enum_to_string(format)); |
| return false; |
| } |
| |
| if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) { |
| /* both source and dest must be integer-valued, or neither */ |
| if (_mesa_is_format_integer_color(texImage->TexFormat) != |
| _mesa_is_enum_format_integer(format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(integer/non-integer format mismatch)", |
| function); |
| return false; |
| } |
| } |
| |
| if (!_mesa_texstore(ctx, |
| 1, /* dims */ |
| texImage->_BaseFormat, |
| texImage->TexFormat, |
| 0, /* dstRowStride */ |
| &clearValue, |
| 1, 1, 1, /* srcWidth/Height/Depth */ |
| format, type, |
| data ? data : zeroData, |
| &ctx->DefaultPacking)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid format)", function); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static struct gl_texture_object * |
| get_tex_obj_for_clear(struct gl_context *ctx, |
| const char *function, |
| GLuint texture) |
| { |
| struct gl_texture_object *texObj; |
| |
| if (texture == 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(zero texture)", function); |
| return NULL; |
| } |
| |
| texObj = _mesa_lookup_texture(ctx, texture); |
| |
| if (texObj == NULL) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", function); |
| return NULL; |
| } |
| |
| if (texObj->Target == 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unbound tex)", function); |
| return NULL; |
| } |
| |
| return texObj; |
| } |
| |
| static int |
| get_tex_images_for_clear(struct gl_context *ctx, |
| const char *function, |
| struct gl_texture_object *texObj, |
| GLint level, |
| struct gl_texture_image **texImages) |
| { |
| GLenum target; |
| int i; |
| |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function); |
| return 0; |
| } |
| |
| if (texObj->Target == GL_TEXTURE_CUBE_MAP) { |
| for (i = 0; i < MAX_FACES; i++) { |
| target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + i; |
| |
| texImages[i] = _mesa_select_tex_image(texObj, target, level); |
| if (texImages[i] == NULL) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(invalid level)", function); |
| return 0; |
| } |
| } |
| |
| return MAX_FACES; |
| } |
| |
| texImages[0] = _mesa_select_tex_image(texObj, texObj->Target, level); |
| |
| if (texImages[0] == NULL) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| void GLAPIENTRY |
| _mesa_ClearTexSubImage( GLuint texture, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const void *data ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImages[MAX_FACES]; |
| GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES]; |
| int i, numImages; |
| int minDepth, maxDepth; |
| |
| texObj = get_tex_obj_for_clear(ctx, "glClearTexSubImage", texture); |
| |
| if (texObj == NULL) |
| return; |
| |
| _mesa_lock_texture(ctx, texObj); |
| |
| numImages = get_tex_images_for_clear(ctx, "glClearTexSubImage", |
| texObj, level, texImages); |
| if (numImages == 0) |
| goto out; |
| |
| if (numImages == 1) { |
| minDepth = -(int) texImages[0]->Border; |
| maxDepth = texImages[0]->Depth; |
| } else { |
| minDepth = 0; |
| maxDepth = numImages; |
| } |
| |
| if (xoffset < -(GLint) texImages[0]->Border || |
| yoffset < -(GLint) texImages[0]->Border || |
| zoffset < minDepth || |
| width < 0 || |
| height < 0 || |
| depth < 0 || |
| xoffset + width > texImages[0]->Width || |
| yoffset + height > texImages[0]->Height || |
| zoffset + depth > maxDepth) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glClearSubTexImage(invalid dimensions)"); |
| goto out; |
| } |
| |
| if (numImages == 1) { |
| if (check_clear_tex_image(ctx, "glClearTexSubImage", |
| texImages[0], |
| format, type, data, clearValue[0])) { |
| ctx->Driver.ClearTexSubImage(ctx, |
| texImages[0], |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| data ? clearValue[0] : NULL); |
| } |
| } else { |
| for (i = zoffset; i < zoffset + depth; i++) { |
| if (!check_clear_tex_image(ctx, "glClearTexSubImage", |
| texImages[i], |
| format, type, data, clearValue[i])) |
| goto out; |
| } |
| for (i = zoffset; i < zoffset + depth; i++) { |
| ctx->Driver.ClearTexSubImage(ctx, |
| texImages[i], |
| xoffset, yoffset, 0, |
| width, height, 1, |
| data ? clearValue[i] : NULL); |
| } |
| } |
| |
| out: |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| void GLAPIENTRY |
| _mesa_ClearTexImage( GLuint texture, GLint level, |
| GLenum format, GLenum type, const void *data ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImages[MAX_FACES]; |
| GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES]; |
| int i, numImages; |
| |
| texObj = get_tex_obj_for_clear(ctx, "glClearTexImage", texture); |
| |
| if (texObj == NULL) |
| return; |
| |
| _mesa_lock_texture(ctx, texObj); |
| |
| numImages = get_tex_images_for_clear(ctx, "glClearTexImage", |
| texObj, level, texImages); |
| |
| for (i = 0; i < numImages; i++) { |
| if (!check_clear_tex_image(ctx, "glClearTexImage", |
| texImages[i], |
| format, type, data, |
| clearValue[i])) |
| goto out; |
| } |
| |
| for (i = 0; i < numImages; i++) { |
| ctx->Driver.ClearTexSubImage(ctx, texImages[i], |
| -(GLint) texImages[i]->Border, /* xoffset */ |
| -(GLint) texImages[i]->Border, /* yoffset */ |
| -(GLint) texImages[i]->Border, /* zoffset */ |
| texImages[i]->Width, |
| texImages[i]->Height, |
| texImages[i]->Depth, |
| data ? clearValue[i] : NULL); |
| } |
| |
| out: |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| |
| /**********************************************************************/ |
| /****** Compressed Textures ******/ |
| /**********************************************************************/ |
| |
| |
| /** |
| * Target checking for glCompressedTexSubImage[123]D(). |
| * \return GL_TRUE if error, GL_FALSE if no error |
| * Must come before other error checking so that the texture object can |
| * be correctly retrieved using _mesa_get_current_tex_object. |
| */ |
| static GLboolean |
| compressed_subtexture_target_check(struct gl_context *ctx, GLenum target, |
| GLint dims, GLenum format, bool dsa, |
| const char *caller) |
| { |
| GLboolean targetOK; |
| |
| if (dsa && target == GL_TEXTURE_RECTANGLE) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", caller, |
| _mesa_enum_to_string(target)); |
| return GL_TRUE; |
| } |
| |
| switch (dims) { |
| case 2: |
| switch (target) { |
| case GL_TEXTURE_2D: |
| targetOK = GL_TRUE; |
| break; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| targetOK = ctx->Extensions.ARB_texture_cube_map; |
| break; |
| default: |
| targetOK = GL_FALSE; |
| break; |
| } |
| break; |
| case 3: |
| switch (target) { |
| case GL_TEXTURE_CUBE_MAP: |
| targetOK = dsa && ctx->Extensions.ARB_texture_cube_map; |
| break; |
| case GL_TEXTURE_2D_ARRAY: |
| targetOK = _mesa_is_gles3(ctx) || |
| (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array); |
| break; |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| targetOK = ctx->Extensions.ARB_texture_cube_map_array; |
| break; |
| case GL_TEXTURE_3D: |
| targetOK = GL_TRUE; |
| /* |
| * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture |
| * Images: |
| * "An INVALID_OPERATION error is generated by |
| * CompressedTex*SubImage3D if the internal format of the texture |
| * is one of the EAC, ETC2, or RGTC formats and either border is |
| * non-zero, or the effective target for the texture is not |
| * TEXTURE_2D_ARRAY." |
| * |
| * NOTE: that's probably a spec error. It should probably say |
| * "... or the effective target for the texture is not |
| * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor |
| * GL_TEXTURE_CUBE_MAP_ARRAY." |
| * since those targets are 2D images and they support all compression |
| * formats. |
| * |
| * Instead of listing all these, just list those which are allowed, |
| * which is (at this time) only bptc. Otherwise we'd say s3tc (and |
| * more) are valid here, which they are not, but of course not |
| * mentioned by core spec. |
| */ |
| switch (format) { |
| /* These are the only 3D compression formats supported at this time */ |
| case GL_COMPRESSED_RGBA_BPTC_UNORM: |
| case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM: |
| case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT: |
| case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT: |
| /* valid format */ |
| break; |
| default: |
| /* invalid format */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(invalid target %s for format %s)", caller, |
| _mesa_enum_to_string(target), |
| _mesa_enum_to_string(format)); |
| return GL_TRUE; |
| } |
| break; |
| default: |
| targetOK = GL_FALSE; |
| } |
| |
| break; |
| default: |
| assert(dims == 1); |
| /* no 1D compressed textures at this time */ |
| targetOK = GL_FALSE; |
| break; |
| } |
| |
| if (!targetOK) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", caller, |
| _mesa_enum_to_string(target)); |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| /** |
| * Error checking for glCompressedTexSubImage[123]D(). |
| * \return GL_TRUE if error, GL_FALSE if no error |
| */ |
| static GLboolean |
| compressed_subtexture_error_check(struct gl_context *ctx, GLint dims, |
| const struct gl_texture_object *texObj, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data, const char *callerName) |
| { |
| struct gl_texture_image *texImage; |
| GLint expectedSize; |
| |
| /* this will catch any invalid compressed format token */ |
| if (!_mesa_is_compressed_format(ctx, format)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "%s(format)", callerName); |
| return GL_TRUE; |
| } |
| |
| if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(level=%d)", |
| callerName, level); |
| return GL_TRUE; |
| } |
| |
| /* validate the bound PBO, if any */ |
| if (!_mesa_validate_pbo_source_compressed(ctx, dims, &ctx->Unpack, |
| imageSize, data, callerName)) { |
| return GL_TRUE; |
| } |
| |
| /* Check for invalid pixel storage modes */ |
| if (!_mesa_compressed_pixel_storage_error_check(ctx, dims, |
| &ctx->Unpack, callerName)) { |
| return GL_TRUE; |
| } |
| |
| expectedSize = compressed_tex_size(width, height, depth, format); |
| if (expectedSize != imageSize) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(size=%d)", |
| callerName, imageSize); |
| return GL_TRUE; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(invalid texture image)", |
| callerName); |
| return GL_TRUE; |
| } |
| |
| if ((GLint) format != texImage->InternalFormat) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(format=%s)", |
| callerName, _mesa_enum_to_string(format)); |
| return GL_TRUE; |
| } |
| |
| if (compressedteximage_only_format(ctx, format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(format=%s cannot be updated)", |
| callerName, _mesa_enum_to_string(format)); |
| return GL_TRUE; |
| } |
| |
| if (error_check_subtexture_dimensions(ctx, dims, |
| texImage, xoffset, yoffset, zoffset, |
| width, height, depth, |
| callerName)) { |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage1D(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 1, target, level, internalFormat, |
| width, 1, 1, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage2D(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 2, target, level, internalFormat, |
| width, height, 1, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage3D(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLsizei depth, GLint border, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| teximage(ctx, GL_TRUE, 3, target, level, internalFormat, |
| width, height, depth, border, GL_NONE, GL_NONE, imageSize, data); |
| } |
| |
| |
| /** |
| * Common helper for glCompressedTexSubImage1/2/3D() and |
| * glCompressedTextureSubImage1/2/3D(). |
| */ |
| void |
| _mesa_compressed_texture_sub_image(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint zoffset, |
| GLsizei width, GLsizei height, |
| GLsizei depth, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| FLUSH_VERTICES(ctx, 0); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| if (width > 0 && height > 0 && depth > 0) { |
| ctx->Driver.CompressedTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* NOTE: Don't signal _NEW_TEXTURE since we've only changed |
| * the texel data, not the texture format, size, etc. |
| */ |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, |
| GLsizei width, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (compressed_subtexture_target_check(ctx, target, 1, format, false, |
| "glCompressedTexSubImage1D")) { |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_error_check(ctx, 1, texObj, target, |
| level, xoffset, 0, 0, |
| width, 1, 1, |
| format, imageSize, data, |
| "glCompressedTexSubImage1D")) { |
| return; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 1, texObj, texImage, target, level, |
| xoffset, 0, 0, width, 1, 1, |
| format, imageSize, data); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset, |
| GLsizei width, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glCompressedTextureSubImage1D"); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_target_check(ctx, texObj->Target, 1, format, true, |
| "glCompressedTextureSubImage1D")) { |
| return; |
| } |
| |
| if (compressed_subtexture_error_check(ctx, 1, texObj, texObj->Target, |
| level, xoffset, 0, 0, |
| width, 1, 1, |
| format, imageSize, data, |
| "glCompressedTextureSubImage1D")) { |
| return; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, texObj->Target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 1, texObj, texImage, |
| texObj->Target, level, |
| xoffset, 0, 0, width, 1, 1, |
| format, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLsizei width, GLsizei height, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (compressed_subtexture_target_check(ctx, target, 2, format, false, |
| "glCompressedTexSubImage2D")) { |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_error_check(ctx, 2, texObj, target, |
| level, xoffset, yoffset, 0, |
| width, height, 1, |
| format, imageSize, data, |
| "glCompressedTexSubImage2D")) { |
| return; |
| } |
| |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 2, texObj, texImage, target, level, |
| xoffset, yoffset, 0, width, height, 1, |
| format, imageSize, data); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset, |
| GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glCompressedTextureSubImage2D"); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_target_check(ctx, texObj->Target, 2, format, true, |
| "glCompressedTextureSubImage2D")) { |
| return; |
| } |
| |
| if (compressed_subtexture_error_check(ctx, 2, texObj, texObj->Target, |
| level, xoffset, yoffset, 0, |
| width, height, 1, |
| format, imageSize, data, |
| "glCompressedTextureSubImage2D")) { |
| return; |
| } |
| |
| texImage = _mesa_select_tex_image(texObj, texObj->Target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 2, texObj, texImage, |
| texObj->Target, level, |
| xoffset, yoffset, 0, width, height, 1, |
| format, imageSize, data); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLint zoffset, GLsizei width, |
| GLsizei height, GLsizei depth, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (compressed_subtexture_target_check(ctx, target, 3, format, false, |
| "glCompressedTexSubImage3D")) { |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_error_check(ctx, 3, texObj, target, |
| level, xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data, |
| "glCompressedTexSubImage3D")) { |
| return; |
| } |
| |
| |
| texImage = _mesa_select_tex_image(texObj, target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data); |
| } |
| |
| void GLAPIENTRY |
| _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset, |
| GLint yoffset, GLint zoffset, GLsizei width, |
| GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glCompressedTextureSubImage3D"); |
| if (!texObj) |
| return; |
| |
| if (compressed_subtexture_target_check(ctx, texObj->Target, 3, format, true, |
| "glCompressedTextureSubImage3D")) { |
| return; |
| } |
| |
| if (compressed_subtexture_error_check(ctx, 3, texObj, texObj->Target, |
| level, xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data, |
| "glCompressedTextureSubImage3D")) { |
| return; |
| } |
| |
| /* Must handle special case GL_TEXTURE_CUBE_MAP. */ |
| if (texObj->Target == GL_TEXTURE_CUBE_MAP) { |
| const char *pixels = data; |
| int i; |
| GLint image_stride; |
| |
| /* Make sure the texture object is a proper cube. |
| * (See texturesubimage in teximage.c for details on why this check is |
| * performed.) |
| */ |
| if (!_mesa_cube_level_complete(texObj, level)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCompressedTextureSubImage3D(cube map incomplete)"); |
| return; |
| } |
| |
| /* Copy in each face. */ |
| for (i = 0; i < 6; ++i) { |
| texImage = texObj->Image[i][level]; |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, |
| texObj->Target, level, |
| xoffset, yoffset, zoffset, |
| width, height, 1, |
| format, imageSize, pixels); |
| |
| /* Compressed images don't have a client format */ |
| image_stride = _mesa_format_image_size(texImage->TexFormat, |
| texImage->Width, |
| texImage->Height, 1); |
| |
| pixels += image_stride; |
| imageSize -= image_stride; |
| } |
| } |
| else { |
| texImage = _mesa_select_tex_image(texObj, texObj->Target, level); |
| assert(texImage); |
| |
| _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, |
| texObj->Target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data); |
| } |
| } |
| |
| static mesa_format |
| get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat) |
| { |
| if (ctx->API == API_OPENGL_COMPAT) { |
| switch (internalFormat) { |
| case GL_ALPHA8: |
| return MESA_FORMAT_A_UNORM8; |
| case GL_ALPHA16: |
| return MESA_FORMAT_A_UNORM16; |
| case GL_ALPHA16F_ARB: |
| return MESA_FORMAT_A_FLOAT16; |
| case GL_ALPHA32F_ARB: |
| return MESA_FORMAT_A_FLOAT32; |
| case GL_ALPHA8I_EXT: |
| return MESA_FORMAT_A_SINT8; |
| case GL_ALPHA16I_EXT: |
| return MESA_FORMAT_A_SINT16; |
| case GL_ALPHA32I_EXT: |
| return MESA_FORMAT_A_SINT32; |
| case GL_ALPHA8UI_EXT: |
| return MESA_FORMAT_A_UINT8; |
| case GL_ALPHA16UI_EXT: |
| return MESA_FORMAT_A_UINT16; |
| case GL_ALPHA32UI_EXT: |
| return MESA_FORMAT_A_UINT32; |
| case GL_LUMINANCE8: |
| return MESA_FORMAT_L_UNORM8; |
| case GL_LUMINANCE16: |
| return MESA_FORMAT_L_UNORM16; |
| case GL_LUMINANCE16F_ARB: |
| return MESA_FORMAT_L_FLOAT16; |
| case GL_LUMINANCE32F_ARB: |
| return MESA_FORMAT_L_FLOAT32; |
| case GL_LUMINANCE8I_EXT: |
| return MESA_FORMAT_L_SINT8; |
| case GL_LUMINANCE16I_EXT: |
| return MESA_FORMAT_L_SINT16; |
| case GL_LUMINANCE32I_EXT: |
| return MESA_FORMAT_L_SINT32; |
| case GL_LUMINANCE8UI_EXT: |
| return MESA_FORMAT_L_UINT8; |
| case GL_LUMINANCE16UI_EXT: |
| return MESA_FORMAT_L_UINT16; |
| case GL_LUMINANCE32UI_EXT: |
| return MESA_FORMAT_L_UINT32; |
| case GL_LUMINANCE8_ALPHA8: |
| return MESA_FORMAT_L8A8_UNORM; |
| case GL_LUMINANCE16_ALPHA16: |
| return MESA_FORMAT_L16A16_UNORM; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| return MESA_FORMAT_LA_FLOAT16; |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| return MESA_FORMAT_LA_FLOAT32; |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| return MESA_FORMAT_LA_SINT8; |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| return MESA_FORMAT_LA_SINT16; |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| return MESA_FORMAT_LA_SINT32; |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| return MESA_FORMAT_LA_UINT8; |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| return MESA_FORMAT_LA_UINT16; |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| return MESA_FORMAT_LA_UINT32; |
| case GL_INTENSITY8: |
| return MESA_FORMAT_I_UNORM8; |
| case GL_INTENSITY16: |
| return MESA_FORMAT_I_UNORM16; |
| case GL_INTENSITY16F_ARB: |
| return MESA_FORMAT_I_FLOAT16; |
| case GL_INTENSITY32F_ARB: |
| return MESA_FORMAT_I_FLOAT32; |
| case GL_INTENSITY8I_EXT: |
| return MESA_FORMAT_I_SINT8; |
| case GL_INTENSITY16I_EXT: |
| return MESA_FORMAT_I_SINT16; |
| case GL_INTENSITY32I_EXT: |
| return MESA_FORMAT_I_SINT32; |
| case GL_INTENSITY8UI_EXT: |
| return MESA_FORMAT_I_UINT8; |
| case GL_INTENSITY16UI_EXT: |
| return MESA_FORMAT_I_UINT16; |
| case GL_INTENSITY32UI_EXT: |
| return MESA_FORMAT_I_UINT32; |
| default: |
| break; |
| } |
| } |
| |
| if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx) || |
| _mesa_has_OES_texture_buffer(ctx)) { |
| switch (internalFormat) { |
| case GL_RGB32F: |
| return MESA_FORMAT_RGB_FLOAT32; |
| case GL_RGB32UI: |
| return MESA_FORMAT_RGB_UINT32; |
| case GL_RGB32I: |
| return MESA_FORMAT_RGB_SINT32; |
| default: |
| break; |
| } |
| } |
| |
| switch (internalFormat) { |
| case GL_RGBA8: |
| return MESA_FORMAT_R8G8B8A8_UNORM; |
| case GL_RGBA16: |
| if (_mesa_is_gles(ctx)) |
| return MESA_FORMAT_NONE; |
| return MESA_FORMAT_RGBA_UNORM16; |
| case GL_RGBA16F_ARB: |
| return MESA_FORMAT_RGBA_FLOAT16; |
| case GL_RGBA32F_ARB: |
| return MESA_FORMAT_RGBA_FLOAT32; |
| case GL_RGBA8I_EXT: |
| return MESA_FORMAT_RGBA_SINT8; |
| case GL_RGBA16I_EXT: |
| return MESA_FORMAT_RGBA_SINT16; |
| case GL_RGBA32I_EXT: |
| return MESA_FORMAT_RGBA_SINT32; |
| case GL_RGBA8UI_EXT: |
| return MESA_FORMAT_RGBA_UINT8; |
| case GL_RGBA16UI_EXT: |
| return MESA_FORMAT_RGBA_UINT16; |
| case GL_RGBA32UI_EXT: |
| return MESA_FORMAT_RGBA_UINT32; |
| |
| case GL_RG8: |
| return MESA_FORMAT_R8G8_UNORM; |
| case GL_RG16: |
| if (_mesa_is_gles(ctx)) |
| return MESA_FORMAT_NONE; |
| return MESA_FORMAT_R16G16_UNORM; |
| case GL_RG16F: |
| return MESA_FORMAT_RG_FLOAT16; |
| case GL_RG32F: |
| return MESA_FORMAT_RG_FLOAT32; |
| case GL_RG8I: |
| return MESA_FORMAT_RG_SINT8; |
| case GL_RG16I: |
| return MESA_FORMAT_RG_SINT16; |
| case GL_RG32I: |
| return MESA_FORMAT_RG_SINT32; |
| case GL_RG8UI: |
| return MESA_FORMAT_RG_UINT8; |
| case GL_RG16UI: |
| return MESA_FORMAT_RG_UINT16; |
| case GL_RG32UI: |
| return MESA_FORMAT_RG_UINT32; |
| |
| case GL_R8: |
| return MESA_FORMAT_R_UNORM8; |
| case GL_R16: |
| if (_mesa_is_gles(ctx)) |
| return MESA_FORMAT_NONE; |
| return MESA_FORMAT_R_UNORM16; |
| case GL_R16F: |
| return MESA_FORMAT_R_FLOAT16; |
| case GL_R32F: |
| return MESA_FORMAT_R_FLOAT32; |
| case GL_R8I: |
| return MESA_FORMAT_R_SINT8; |
| case GL_R16I: |
| return MESA_FORMAT_R_SINT16; |
| case GL_R32I: |
| return MESA_FORMAT_R_SINT32; |
| case GL_R8UI: |
| return MESA_FORMAT_R_UINT8; |
| case GL_R16UI: |
| return MESA_FORMAT_R_UINT16; |
| case GL_R32UI: |
| return MESA_FORMAT_R_UINT32; |
| |
| default: |
| return MESA_FORMAT_NONE; |
| } |
| } |
| |
| |
| mesa_format |
| _mesa_validate_texbuffer_format(const struct gl_context *ctx, |
| GLenum internalFormat) |
| { |
| mesa_format format = get_texbuffer_format(ctx, internalFormat); |
| GLenum datatype; |
| |
| if (format == MESA_FORMAT_NONE) |
| return MESA_FORMAT_NONE; |
| |
| datatype = _mesa_get_format_datatype(format); |
| |
| /* The GL_ARB_texture_buffer_object spec says: |
| * |
| * "If ARB_texture_float is not supported, references to the |
| * floating-point internal formats provided by that extension should be |
| * removed, and such formats may not be passed to TexBufferARB." |
| * |
| * As a result, GL_HALF_FLOAT internal format depends on both |
| * GL_ARB_texture_float and GL_ARB_half_float_pixel. |
| */ |
| if ((datatype == GL_FLOAT || datatype == GL_HALF_FLOAT) && |
| !ctx->Extensions.ARB_texture_float) |
| return MESA_FORMAT_NONE; |
| |
| if (!ctx->Extensions.ARB_texture_rg) { |
| GLenum base_format = _mesa_get_format_base_format(format); |
| if (base_format == GL_R || base_format == GL_RG) |
| return MESA_FORMAT_NONE; |
| } |
| |
| if (!ctx->Extensions.ARB_texture_buffer_object_rgb32) { |
| GLenum base_format = _mesa_get_format_base_format(format); |
| if (base_format == GL_RGB) |
| return MESA_FORMAT_NONE; |
| } |
| return format; |
| } |
| |
| |
| void |
| _mesa_texture_buffer_range(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| GLenum internalFormat, |
| struct gl_buffer_object *bufObj, |
| GLintptr offset, GLsizeiptr size, |
| const char *caller) |
| { |
| mesa_format format; |
| |
| /* NOTE: ARB_texture_buffer_object has interactions with |
| * the compatibility profile that are not implemented. |
| */ |
| if (!_mesa_has_ARB_texture_buffer_object(ctx) && |
| !_mesa_has_OES_texture_buffer(ctx)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(ARB_texture_buffer_object is not" |
| " implemented for the compatibility profile)", caller); |
| return; |
| } |
| |
| format = _mesa_validate_texbuffer_format(ctx, internalFormat); |
| if (format == MESA_FORMAT_NONE) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat %s)", |
| caller, _mesa_enum_to_string(internalFormat)); |
| return; |
| } |
| |
| FLUSH_VERTICES(ctx, 0); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| _mesa_reference_buffer_object(ctx, &texObj->BufferObject, bufObj); |
| texObj->BufferObjectFormat = internalFormat; |
| texObj->_BufferObjectFormat = format; |
| texObj->BufferOffset = offset; |
| texObj->BufferSize = size; |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| |
| ctx->NewDriverState |= ctx->DriverFlags.NewTextureBuffer; |
| |
| if (bufObj) { |
| bufObj->UsageHistory |= USAGE_TEXTURE_BUFFER; |
| } |
| } |
| |
| |
| /** |
| * Make sure the texture buffer target is GL_TEXTURE_BUFFER. |
| * Return true if it is, and return false if it is not |
| * (and throw INVALID ENUM as dictated in the OpenGL 4.5 |
| * core spec, 02.02.2015, PDF page 245). |
| */ |
| static bool |
| check_texture_buffer_target(struct gl_context *ctx, GLenum target, |
| const char *caller) |
| { |
| if (target != GL_TEXTURE_BUFFER_ARB) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "%s(texture target is not GL_TEXTURE_BUFFER)", caller); |
| return false; |
| } |
| else |
| return true; |
| } |
| |
| /** |
| * Check for errors related to the texture buffer range. |
| * Return false if errors are found, true if none are found. |
| */ |
| static bool |
| check_texture_buffer_range(struct gl_context *ctx, |
| struct gl_buffer_object *bufObj, |
| GLintptr offset, GLsizeiptr size, |
| const char *caller) |
| { |
| /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer |
| * Textures (PDF page 245): |
| * "An INVALID_VALUE error is generated if offset is negative, if |
| * size is less than or equal to zero, or if offset + size is greater |
| * than the value of BUFFER_SIZE for the buffer bound to target." |
| */ |
| if (offset < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset=%d < 0)", caller, |
| (int) offset); |
| return false; |
| } |
| |
| if (size <= 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d <= 0)", caller, |
| (int) size); |
| return false; |
| } |
| |
| if (offset + size > bufObj->Size) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(offset=%d + size=%d > buffer_size=%d)", caller, |
| (int) offset, (int) size, (int) bufObj->Size); |
| return false; |
| } |
| |
| /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer |
| * Textures (PDF page 245): |
| * "An INVALID_VALUE error is generated if offset is not an integer |
| * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT." |
| */ |
| if (offset % ctx->Const.TextureBufferOffsetAlignment) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(invalid offset alignment)", caller); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| |
| /** GL_ARB_texture_buffer_object */ |
| void GLAPIENTRY |
| _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_buffer_object *bufObj; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Need to catch a bad target before it gets to |
| * _mesa_get_current_tex_object. |
| */ |
| if (!check_texture_buffer_target(ctx, target, "glTexBuffer")) |
| return; |
| |
| if (buffer) { |
| bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBuffer"); |
| if (!bufObj) |
| return; |
| } else |
| bufObj = NULL; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_buffer_range(ctx, texObj, internalFormat, bufObj, 0, |
| buffer ? -1 : 0, "glTexBuffer"); |
| } |
| |
| |
| /** GL_ARB_texture_buffer_range */ |
| void GLAPIENTRY |
| _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer, |
| GLintptr offset, GLsizeiptr size) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_buffer_object *bufObj; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Need to catch a bad target before it gets to |
| * _mesa_get_current_tex_object. |
| */ |
| if (!check_texture_buffer_target(ctx, target, "glTexBufferRange")) |
| return; |
| |
| if (buffer) { |
| bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBufferRange"); |
| if (!bufObj) |
| return; |
| |
| if (!check_texture_buffer_range(ctx, bufObj, offset, size, |
| "glTexBufferRange")) |
| return; |
| |
| } else { |
| /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer |
| * Textures (PDF page 254): |
| * "If buffer is zero, then any buffer object attached to the buffer |
| * texture is detached, the values offset and size are ignored and |
| * the state for offset and size for the buffer texture are reset to |
| * zero." |
| */ |
| offset = 0; |
| size = 0; |
| bufObj = NULL; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| _mesa_texture_buffer_range(ctx, texObj, internalFormat, bufObj, |
| offset, size, "glTexBufferRange"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_buffer_object *bufObj; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (buffer) { |
| bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer"); |
| if (!bufObj) |
| return; |
| } else |
| bufObj = NULL; |
| |
| /* Get the texture object by Name. */ |
| texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBuffer"); |
| if (!texObj) |
| return; |
| |
| if (!check_texture_buffer_target(ctx, texObj->Target, "glTextureBuffer")) |
| return; |
| |
| _mesa_texture_buffer_range(ctx, texObj, internalFormat, |
| bufObj, 0, buffer ? -1 : 0, "glTextureBuffer"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer, |
| GLintptr offset, GLsizeiptr size) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_buffer_object *bufObj; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (buffer) { |
| bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, |
| "glTextureBufferRange"); |
| if (!bufObj) |
| return; |
| |
| if (!check_texture_buffer_range(ctx, bufObj, offset, size, |
| "glTextureBufferRange")) |
| return; |
| |
| } else { |
| /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer |
| * Textures (PDF page 254): |
| * "If buffer is zero, then any buffer object attached to the buffer |
| * texture is detached, the values offset and size are ignored and |
| * the state for offset and size for the buffer texture are reset to |
| * zero." |
| */ |
| offset = 0; |
| size = 0; |
| bufObj = NULL; |
| } |
| |
| /* Get the texture object by Name. */ |
| texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBufferRange"); |
| if (!texObj) |
| return; |
| |
| if (!check_texture_buffer_target(ctx, texObj->Target, |
| "glTextureBufferRange")) |
| return; |
| |
| _mesa_texture_buffer_range(ctx, texObj, internalFormat, |
| bufObj, offset, size, "glTextureBufferRange"); |
| } |
| |
| GLboolean |
| _mesa_is_renderable_texture_format(struct gl_context *ctx, GLenum internalformat) |
| { |
| /* Everything that is allowed for renderbuffers, |
| * except for a base format of GL_STENCIL_INDEX, unless supported. |
| */ |
| GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat); |
| if (ctx->Extensions.ARB_texture_stencil8) |
| return baseFormat != 0; |
| else |
| return baseFormat != 0 && baseFormat != GL_STENCIL_INDEX; |
| } |
| |
| |
| /** GL_ARB_texture_multisample */ |
| static GLboolean |
| check_multisample_target(GLuint dims, GLenum target, bool dsa) |
| { |
| switch(target) { |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| return dims == 2; |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| return dims == 2 && !dsa; |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return dims == 3; |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| return dims == 3 && !dsa; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| static void |
| texture_image_multisample(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_object *texObj, |
| GLenum target, GLsizei samples, |
| GLint internalformat, GLsizei width, |
| GLsizei height, GLsizei depth, |
| GLboolean fixedsamplelocations, |
| GLboolean immutable, const char *func) |
| { |
| struct gl_texture_image *texImage; |
| GLboolean sizeOK, dimensionsOK, samplesOK; |
| mesa_format texFormat; |
| GLenum sample_count_error; |
| bool dsa = strstr(func, "ture") ? true : false; |
| |
| if (!((ctx->Extensions.ARB_texture_multisample |
| && _mesa_is_desktop_gl(ctx))) && !_mesa_is_gles31(ctx)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func); |
| return; |
| } |
| |
| if (samples < 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples < 1)", func); |
| return; |
| } |
| |
| if (!check_multisample_target(dims, target, dsa)) { |
| if (dsa) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target)", func); |
| return; |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func); |
| return; |
| } |
| } |
| |
| /* check that the specified internalformat is color/depth/stencil-renderable; |
| * refer GL3.1 spec 4.4.4 |
| */ |
| |
| if (immutable && !_mesa_is_legal_tex_storage_format(ctx, internalformat)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "%s(internalformat=%s not legal for immutable-format)", |
| func, _mesa_enum_to_string(internalformat)); |
| return; |
| } |
| |
| if (!_mesa_is_renderable_texture_format(ctx, internalformat)) { |
| /* Page 172 of OpenGL ES 3.1 spec says: |
| * "An INVALID_ENUM error is generated if sizedinternalformat is not |
| * color-renderable, depth-renderable, or stencil-renderable (as |
| * defined in section 9.4). |
| * |
| * (Same error is also defined for desktop OpenGL for multisample |
| * teximage/texstorage functions.) |
| */ |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalformat=%s)", func, |
| _mesa_enum_to_string(internalformat)); |
| return; |
| } |
| |
| sample_count_error = _mesa_check_sample_count(ctx, target, |
| internalformat, samples); |
| samplesOK = sample_count_error == GL_NO_ERROR; |
| |
| /* Page 254 of OpenGL 4.4 spec says: |
| * "Proxy arrays for two-dimensional multisample and two-dimensional |
| * multisample array textures are operated on in the same way when |
| * TexImage2DMultisample is called with target specified as |
| * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called |
| * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY. |
| * However, if samples is not supported, then no error is generated. |
| */ |
| if (!samplesOK && !_mesa_is_proxy_texture(target)) { |
| _mesa_error(ctx, sample_count_error, "%s(samples)", func); |
| return; |
| } |
| |
| if (immutable && (!texObj || (texObj->Name == 0))) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "%s(texture object 0)", |
| func); |
| return; |
| } |
| |
| texImage = _mesa_get_tex_image(ctx, texObj, 0, 0); |
| |
| if (texImage == NULL) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", func); |
| return; |
| } |
| |
| texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0, |
| internalformat, GL_NONE, GL_NONE); |
| assert(texFormat != MESA_FORMAT_NONE); |
| |
| dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0, |
| width, height, depth, 0); |
| |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat, |
| width, height, depth, 0); |
| |
| if (_mesa_is_proxy_texture(target)) { |
| if (samplesOK && dimensionsOK && sizeOK) { |
| init_teximage_fields_ms(ctx, texImage, width, height, depth, 0, |
| internalformat, texFormat, |
| samples, fixedsamplelocations); |
| } |
| else { |
| /* clear all image fields */ |
| clear_teximage_fields(texImage); |
| } |
| } |
| else { |
| if (!dimensionsOK) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(invalid width or height)", func); |
| return; |
| } |
| |
| if (!sizeOK) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(texture too large)", func); |
| return; |
| } |
| |
| /* Check if texObj->Immutable is set */ |
| if (texObj->Immutable) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func); |
| return; |
| } |
| |
| ctx->Driver.FreeTextureImageBuffer(ctx, texImage); |
| |
| init_teximage_fields_ms(ctx, texImage, width, height, depth, 0, |
| internalformat, texFormat, |
| samples, fixedsamplelocations); |
| |
| if (width > 0 && height > 0 && depth > 0) { |
| if (!ctx->Driver.AllocTextureStorage(ctx, texObj, 1, |
| width, height, depth)) { |
| /* tidy up the texture image state. strictly speaking, |
| * we're allowed to just leave this in whatever state we |
| * like, but being tidy is good. |
| */ |
| _mesa_init_teximage_fields(ctx, texImage, |
| 0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE); |
| } |
| } |
| |
| texObj->Immutable |= immutable; |
| |
| if (immutable) { |
| _mesa_set_texture_view_state(ctx, texObj, target, 1); |
| } |
| |
| _mesa_update_fbo_texture(ctx, texObj, 0, 0); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage2DMultisample(GLenum target, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| texture_image_multisample(ctx, 2, texObj, target, samples, |
| internalformat, width, height, 1, |
| fixedsamplelocations, GL_FALSE, |
| "glTexImage2DMultisample"); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexImage3DMultisample(GLenum target, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, GLsizei depth, |
| GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| texture_image_multisample(ctx, 3, texObj, target, samples, |
| internalformat, width, height, depth, |
| fixedsamplelocations, GL_FALSE, |
| "glTexImage3DMultisample"); |
| } |
| |
| static bool |
| valid_texstorage_ms_parameters(GLsizei width, GLsizei height, GLsizei depth, |
| GLsizei samples, unsigned dims) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!_mesa_valid_tex_storage_dim(width, height, depth)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)", |
| dims, width, height, depth); |
| return false; |
| } |
| return true; |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexStorage2DMultisample(GLenum target, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2)) |
| return; |
| |
| texture_image_multisample(ctx, 2, texObj, target, samples, |
| internalformat, width, height, 1, |
| fixedsamplelocations, GL_TRUE, |
| "glTexStorage2DMultisample"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, GLsizei depth, |
| GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| if (!texObj) |
| return; |
| |
| if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3)) |
| return; |
| |
| texture_image_multisample(ctx, 3, texObj, target, samples, |
| internalformat, width, height, depth, |
| fixedsamplelocations, GL_TRUE, |
| "glTexStorage3DMultisample"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, |
| GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glTextureStorage2DMultisample"); |
| if (!texObj) |
| return; |
| |
| if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2)) |
| return; |
| |
| texture_image_multisample(ctx, 2, texObj, texObj->Target, samples, |
| internalformat, width, height, 1, |
| fixedsamplelocations, GL_TRUE, |
| "glTextureStorage2DMultisample"); |
| } |
| |
| void GLAPIENTRY |
| _mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples, |
| GLenum internalformat, GLsizei width, |
| GLsizei height, GLsizei depth, |
| GLboolean fixedsamplelocations) |
| { |
| struct gl_texture_object *texObj; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* Get the texture object by Name. */ |
| texObj = _mesa_lookup_texture_err(ctx, texture, |
| "glTextureStorage3DMultisample"); |
| if (!texObj) |
| return; |
| |
| if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3)) |
| return; |
| |
| texture_image_multisample(ctx, 3, texObj, texObj->Target, samples, |
| internalformat, width, height, depth, |
| fixedsamplelocations, GL_TRUE, |
| "glTextureStorage3DMultisample"); |
| } |