| /* |
| * mesa 3-D graphics library |
| * Version: 7.6 |
| * |
| * 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 |
| * BRIAN PAUL 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 "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 "state.h" |
| #include "texcompress.h" |
| #include "texfetch.h" |
| #include "teximage.h" |
| #include "texstate.h" |
| #include "texpal.h" |
| #include "mtypes.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 (_MESA_NEW_TRANSFER_STATE | \ |
| _NEW_BUFFERS | \ |
| _NEW_PIXEL) |
| |
| |
| |
| /** |
| * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE |
| * elsewhere. |
| */ |
| void * |
| _mesa_alloc_texmemory(GLsizei bytes) |
| { |
| return _mesa_align_malloc(bytes, 512); |
| } |
| |
| |
| /** |
| * Free texture memory allocated with _mesa_alloc_texmemory() |
| */ |
| void |
| _mesa_free_texmemory(void *m) |
| { |
| _mesa_align_free(m); |
| } |
| |
| |
| /* |
| * Compute floor(log_base_2(n)). |
| * If n < 0 return -1. |
| */ |
| static int |
| logbase2( int n ) |
| { |
| GLint i = 1; |
| GLint log2 = 0; |
| |
| if (n < 0) |
| return -1; |
| |
| if (n == 0) |
| return 0; |
| |
| while ( n > i ) { |
| i *= 2; |
| log2++; |
| } |
| if (i != n) { |
| return log2 - 1; |
| } |
| else { |
| return log2; |
| } |
| } |
| |
| |
| |
| /** |
| * Return the simple base format for a given internal texture format. |
| * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA. |
| * |
| * \param ctx GL context. |
| * \param internalFormat the internal texture format token or 1, 2, 3, or 4. |
| * |
| * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE, |
| * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum. |
| * |
| * This is the format which is used during texture application (i.e. the |
| * texture format and env mode determine the arithmetic used. |
| * |
| * XXX this could be static |
| */ |
| GLint |
| _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat ) |
| { |
| switch (internalFormat) { |
| case GL_ALPHA: |
| case GL_ALPHA4: |
| case GL_ALPHA8: |
| case GL_ALPHA12: |
| case GL_ALPHA16: |
| return GL_ALPHA; |
| case 1: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE4: |
| case GL_LUMINANCE8: |
| case GL_LUMINANCE12: |
| case GL_LUMINANCE16: |
| return GL_LUMINANCE; |
| case 2: |
| case GL_LUMINANCE_ALPHA: |
| case GL_LUMINANCE4_ALPHA4: |
| case GL_LUMINANCE6_ALPHA2: |
| case GL_LUMINANCE8_ALPHA8: |
| case GL_LUMINANCE12_ALPHA4: |
| case GL_LUMINANCE12_ALPHA12: |
| case GL_LUMINANCE16_ALPHA16: |
| return GL_LUMINANCE_ALPHA; |
| case GL_INTENSITY: |
| case GL_INTENSITY4: |
| case GL_INTENSITY8: |
| case GL_INTENSITY12: |
| case GL_INTENSITY16: |
| return GL_INTENSITY; |
| case 3: |
| case GL_RGB: |
| case GL_R3_G3_B2: |
| case GL_RGB4: |
| case GL_RGB5: |
| case GL_RGB8: |
| case GL_RGB10: |
| case GL_RGB12: |
| case GL_RGB16: |
| return GL_RGB; |
| case 4: |
| case GL_RGBA: |
| case GL_RGBA2: |
| case GL_RGBA4: |
| case GL_RGB5_A1: |
| case GL_RGBA8: |
| case GL_RGB10_A2: |
| case GL_RGBA12: |
| case GL_RGBA16: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| |
| if (ctx->Extensions.EXT_paletted_texture) { |
| switch (internalFormat) { |
| case GL_COLOR_INDEX: |
| case GL_COLOR_INDEX1_EXT: |
| case GL_COLOR_INDEX2_EXT: |
| case GL_COLOR_INDEX4_EXT: |
| case GL_COLOR_INDEX8_EXT: |
| case GL_COLOR_INDEX12_EXT: |
| case GL_COLOR_INDEX16_EXT: |
| return GL_COLOR_INDEX; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_depth_texture) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT16: |
| case GL_DEPTH_COMPONENT24: |
| case GL_DEPTH_COMPONENT32: |
| return GL_DEPTH_COMPONENT; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA: |
| return GL_ALPHA; |
| case GL_COMPRESSED_LUMINANCE: |
| return GL_LUMINANCE; |
| case GL_COMPRESSED_LUMINANCE_ALPHA: |
| return GL_LUMINANCE_ALPHA; |
| case GL_COMPRESSED_INTENSITY: |
| return GL_INTENSITY; |
| case GL_COMPRESSED_RGB: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| |
| if (ctx->Extensions.TDFX_texture_compression_FXT1) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_FXT1_3DFX: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA_FXT1_3DFX: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_compression_s3tc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| return GL_RGB; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.S3_s3tc) { |
| switch (internalFormat) { |
| case GL_RGB_S3TC: |
| case GL_RGB4_S3TC: |
| return GL_RGB; |
| case GL_RGBA_S3TC: |
| case GL_RGBA4_S3TC: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.MESA_ycbcr_texture) { |
| if (internalFormat == GL_YCBCR_MESA) |
| return GL_YCBCR_MESA; |
| } |
| |
| if (ctx->Extensions.ARB_texture_float) { |
| switch (internalFormat) { |
| case GL_ALPHA16F_ARB: |
| case GL_ALPHA32F_ARB: |
| return GL_ALPHA; |
| case GL_RGBA16F_ARB: |
| case GL_RGBA32F_ARB: |
| return GL_RGBA; |
| case GL_RGB16F_ARB: |
| case GL_RGB32F_ARB: |
| return GL_RGB; |
| case GL_INTENSITY16F_ARB: |
| case GL_INTENSITY32F_ARB: |
| return GL_INTENSITY; |
| case GL_LUMINANCE16F_ARB: |
| case GL_LUMINANCE32F_ARB: |
| return GL_LUMINANCE; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ATI_envmap_bumpmap) { |
| switch (internalFormat) { |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| return GL_DUDV_ATI; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.MESA_texture_signed_rgba) { |
| switch (internalFormat) { |
| case GL_RGBA_SNORM: |
| case GL_RGBA8_SNORM: |
| return GL_RGBA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_depth_stencil) { |
| switch (internalFormat) { |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DEPTH24_STENCIL8_EXT: |
| return GL_DEPTH_STENCIL_EXT; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| #if FEATURE_EXT_texture_sRGB |
| if (ctx->Extensions.EXT_texture_sRGB) { |
| switch (internalFormat) { |
| case GL_SRGB_EXT: |
| case GL_SRGB8_EXT: |
| case GL_COMPRESSED_SRGB_EXT: |
| case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: |
| return GL_RGB; |
| case GL_SRGB_ALPHA_EXT: |
| case GL_SRGB8_ALPHA8_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: |
| return GL_RGBA; |
| case GL_SLUMINANCE_ALPHA_EXT: |
| case GL_SLUMINANCE8_ALPHA8_EXT: |
| case GL_COMPRESSED_SLUMINANCE_EXT: |
| case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: |
| return GL_LUMINANCE_ALPHA; |
| case GL_SLUMINANCE_EXT: |
| case GL_SLUMINANCE8_EXT: |
| return GL_LUMINANCE; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| |
| if (ctx->Extensions.EXT_texture_integer) { |
| switch (internalFormat) { |
| case GL_RGBA8UI_EXT: |
| case GL_RGBA16UI_EXT: |
| case GL_RGBA32UI_EXT: |
| case GL_RGBA8I_EXT: |
| case GL_RGBA16I_EXT: |
| case GL_RGBA32I_EXT: |
| return GL_RGBA; |
| case GL_RGB8UI_EXT: |
| case GL_RGB16UI_EXT: |
| case GL_RGB32UI_EXT: |
| case GL_RGB8I_EXT: |
| case GL_RGB16I_EXT: |
| case GL_RGB32I_EXT: |
| return GL_RGB; |
| case GL_ALPHA8UI_EXT: |
| case GL_ALPHA16UI_EXT: |
| case GL_ALPHA32UI_EXT: |
| case GL_ALPHA8I_EXT: |
| case GL_ALPHA16I_EXT: |
| case GL_ALPHA32I_EXT: |
| return GL_ALPHA; |
| case GL_INTENSITY8UI_EXT: |
| case GL_INTENSITY16UI_EXT: |
| case GL_INTENSITY32UI_EXT: |
| case GL_INTENSITY8I_EXT: |
| case GL_INTENSITY16I_EXT: |
| case GL_INTENSITY32I_EXT: |
| return GL_INTENSITY; |
| case GL_LUMINANCE8UI_EXT: |
| case GL_LUMINANCE16UI_EXT: |
| case GL_LUMINANCE32UI_EXT: |
| case GL_LUMINANCE8I_EXT: |
| case GL_LUMINANCE16I_EXT: |
| case GL_LUMINANCE32I_EXT: |
| return GL_LUMINANCE; |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| return GL_LUMINANCE_ALPHA; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_rg) { |
| switch (internalFormat) { |
| case GL_R16F: |
| /* R16F depends on both ARB_half_float_pixel and ARB_texture_float. |
| */ |
| if (!ctx->Extensions.ARB_half_float_pixel) |
| break; |
| /* FALLTHROUGH */ |
| case GL_R32F: |
| if (!ctx->Extensions.ARB_texture_float) |
| break; |
| return GL_RED; |
| case GL_R8I: |
| case GL_R8UI: |
| case GL_R16I: |
| case GL_R16UI: |
| case GL_R32I: |
| case GL_R32UI: |
| if (!ctx->Extensions.EXT_texture_integer) |
| break; |
| /* FALLTHROUGH */ |
| case GL_R8: |
| case GL_R16: |
| case GL_RED: |
| case GL_COMPRESSED_RED: |
| return GL_RED; |
| |
| case GL_RG16F: |
| /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float. |
| */ |
| if (!ctx->Extensions.ARB_half_float_pixel) |
| break; |
| /* FALLTHROUGH */ |
| case GL_RG32F: |
| if (!ctx->Extensions.ARB_texture_float) |
| break; |
| return GL_RG; |
| case GL_RG8I: |
| case GL_RG8UI: |
| case GL_RG16I: |
| case GL_RG16UI: |
| case GL_RG32I: |
| case GL_RG32UI: |
| if (!ctx->Extensions.EXT_texture_integer) |
| break; |
| /* FALLTHROUGH */ |
| case GL_RG: |
| case GL_RG8: |
| case GL_RG16: |
| case GL_COMPRESSED_RG: |
| return GL_RG; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_shared_exponent) { |
| switch (internalFormat) { |
| case GL_RGB9_E5_EXT: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_float) { |
| switch (internalFormat) { |
| case GL_R11F_G11F_B10F_EXT: |
| return GL_RGB; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_depth_buffer_float) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT32F: |
| return GL_DEPTH_COMPONENT; |
| case GL_DEPTH32F_STENCIL8: |
| return GL_DEPTH_STENCIL; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_compression_rgtc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RED_RGTC1: |
| case GL_COMPRESSED_SIGNED_RED_RGTC1: |
| return GL_RED; |
| case GL_COMPRESSED_RG_RGTC2: |
| case GL_COMPRESSED_SIGNED_RG_RGTC2: |
| return GL_RG; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| return -1; /* error */ |
| } |
| |
| |
| /** |
| * For cube map faces, return a face index in [0,5]. |
| * For other targets return 0; |
| */ |
| GLuint |
| _mesa_tex_target_to_face(GLenum target) |
| { |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) |
| return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X; |
| else |
| return 0; |
| } |
| |
| |
| |
| /** |
| * Store a gl_texture_image pointer in a gl_texture_object structure |
| * according to the target and level parameters. |
| * |
| * \param tObj texture object. |
| * \param target texture target. |
| * \param level image level. |
| * \param texImage texture image. |
| * |
| * This was basically prompted by the introduction of cube maps. |
| */ |
| void |
| _mesa_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); |
| ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0); |
| |
| tObj->Image[face][level] = texImage; |
| |
| /* Set the 'back' pointer */ |
| texImage->TexObject = tObj; |
| } |
| |
| |
| /** |
| * 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 texture image data. |
| * This function is a fallback called via ctx->Driver.FreeTexImageData(). |
| * |
| * \param texImage texture image. |
| * |
| * Free the texture image data if it's not marked as client data. |
| */ |
| void |
| _mesa_free_texture_image_data(struct gl_context *ctx, |
| struct gl_texture_image *texImage) |
| { |
| (void) ctx; |
| |
| if (texImage->Data && !texImage->IsClientData) { |
| /* free the old texture data */ |
| _mesa_free_texmemory(texImage->Data); |
| } |
| |
| texImage->Data = NULL; |
| } |
| |
| |
| /** |
| * Free texture image. |
| * |
| * \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.FreeTexImageData); |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| |
| ASSERT(texImage->Data == NULL); |
| if (texImage->ImageOffsets) |
| free(texImage->ImageOffsets); |
| 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) |
| { |
| /* NUM_TEXTURE_TARGETS should match number of terms below */ |
| assert(NUM_TEXTURE_TARGETS == 7); |
| |
| return (target == GL_PROXY_TEXTURE_1D || |
| target == GL_PROXY_TEXTURE_2D || |
| target == GL_PROXY_TEXTURE_3D || |
| target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_1D_ARRAY_EXT || |
| target == GL_PROXY_TEXTURE_2D_ARRAY_EXT); |
| } |
| |
| |
| /** |
| * Get the texture object that corresponds to the target of the given texture unit. |
| * |
| * \param ctx GL context. |
| * \param texUnit texture unit. |
| * \param target texture target. |
| * |
| * \return pointer to the texture object on success, or NULL on failure. |
| * |
| * \sa gl_texture_unit. |
| */ |
| struct gl_texture_object * |
| _mesa_select_tex_object(struct gl_context *ctx, const struct gl_texture_unit *texUnit, |
| GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return texUnit->CurrentTex[TEXTURE_1D_INDEX]; |
| case GL_PROXY_TEXTURE_1D: |
| return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]; |
| case GL_TEXTURE_2D: |
| return texUnit->CurrentTex[TEXTURE_2D_INDEX]; |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]; |
| case GL_TEXTURE_3D: |
| return texUnit->CurrentTex[TEXTURE_3D_INDEX]; |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL; |
| case GL_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle |
| ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| return ctx->Extensions.NV_texture_rectangle |
| ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL; |
| case GL_TEXTURE_1D_ARRAY_EXT: |
| return ctx->Extensions.MESA_texture_array |
| ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| return ctx->Extensions.MESA_texture_array |
| ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL; |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.MESA_texture_array |
| ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.MESA_texture_array |
| ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL; |
| default: |
| _mesa_problem(NULL, "bad target in _mesa_select_tex_object()"); |
| return NULL; |
| } |
| } |
| |
| |
| /** |
| * Return pointer to texture object for given target on current texture unit. |
| */ |
| struct gl_texture_object * |
| _mesa_get_current_tex_object(struct gl_context *ctx, GLenum target) |
| { |
| struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); |
| return _mesa_select_tex_object(ctx, texUnit, target); |
| } |
| |
| |
| /** |
| * 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 ctx GL context. |
| * \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(struct gl_context *ctx, 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(ctx, texObj, target, level); |
| if (!texImage) { |
| texImage = ctx->Driver.NewTextureImage(ctx); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation"); |
| return NULL; |
| } |
| |
| _mesa_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. |
| */ |
| struct gl_texture_image * |
| _mesa_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; |
| 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_POSITIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| 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.MESA_texture_array |
| ? ctx->Const.MaxTextureLevels : 0; |
| default: |
| return 0; /* bad target */ |
| } |
| } |
| |
| |
| |
| #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 |
| |
| |
| |
| /** |
| * Reset the fields of a gl_texture_image struct to zero. |
| * |
| * \param img texture image structure. |
| * |
| * This is called when a proxy texture test fails, we set all the |
| * image members (except DriverData) to zero. |
| * It's also used in glTexImage[123]D as a safeguard to be sure all |
| * required fields get initialized properly by the Driver.TexImage[123]D |
| * functions. |
| */ |
| 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->RowStride = 0; |
| if (img->ImageOffsets) { |
| free(img->ImageOffsets); |
| img->ImageOffsets = NULL; |
| } |
| img->Width2 = 0; |
| img->Height2 = 0; |
| img->Depth2 = 0; |
| img->WidthLog2 = 0; |
| img->HeightLog2 = 0; |
| img->DepthLog2 = 0; |
| img->Data = NULL; |
| img->TexFormat = MESA_FORMAT_NONE; |
| img->FetchTexelc = NULL; |
| img->FetchTexelf = NULL; |
| } |
| |
| |
| /** |
| * Initialize basic fields of the gl_texture_image struct. |
| * |
| * \param ctx GL context. |
| * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc). |
| * \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. |
| * |
| * Fills in the fields of \p img with the given information. |
| * Note: width, height and depth include the border. |
| */ |
| void |
| _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target, |
| struct gl_texture_image *img, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum internalFormat) |
| { |
| GLint i; |
| |
| ASSERT(img); |
| ASSERT(width >= 0); |
| ASSERT(height >= 0); |
| ASSERT(depth >= 0); |
| |
| img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat ); |
| ASSERT(img->_BaseFormat > 0); |
| 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 = logbase2(img->Width2); |
| |
| if (height == 1) { /* 1-D texture */ |
| img->Height2 = 1; |
| img->HeightLog2 = 0; |
| } |
| else { |
| img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */ |
| img->HeightLog2 = logbase2(img->Height2); |
| } |
| |
| if (depth == 1) { /* 2-D texture */ |
| img->Depth2 = 1; |
| img->DepthLog2 = 0; |
| } |
| else { |
| img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */ |
| img->DepthLog2 = logbase2(img->Depth2); |
| } |
| |
| img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2); |
| |
| if ((width == 1 || _mesa_is_pow_two(img->Width2)) && |
| (height == 1 || _mesa_is_pow_two(img->Height2)) && |
| (depth == 1 || _mesa_is_pow_two(img->Depth2))) |
| img->_IsPowerOfTwo = GL_TRUE; |
| else |
| img->_IsPowerOfTwo = GL_FALSE; |
| |
| /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */ |
| img->RowStride = width; |
| /* Allocate the ImageOffsets array and initialize to typical values. |
| * We allocate the array for 1D/2D textures too in order to avoid special- |
| * case code in the texstore routines. |
| */ |
| if (img->ImageOffsets) |
| free(img->ImageOffsets); |
| img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint)); |
| for (i = 0; i < depth; i++) { |
| img->ImageOffsets[i] = i * width * height; |
| } |
| |
| /* Compute Width/Height/DepthScale for mipmap lod computation */ |
| if (target == GL_TEXTURE_RECTANGLE_NV) { |
| /* scale = 1.0 since texture coords directly map to texels */ |
| img->WidthScale = 1.0; |
| img->HeightScale = 1.0; |
| img->DepthScale = 1.0; |
| } |
| else { |
| img->WidthScale = (GLfloat) img->Width; |
| img->HeightScale = (GLfloat) img->Height; |
| img->DepthScale = (GLfloat) img->Depth; |
| } |
| |
| img->FetchTexelc = NULL; |
| img->FetchTexelf = NULL; |
| } |
| |
| |
| /** |
| * 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.FreeTexImageData(ctx, texImage); |
| clear_teximage_fields(texImage); |
| } |
| |
| |
| /** |
| * This is the fallback for Driver.TestProxyTexImage(). Test the texture |
| * level, width, height and depth against the ctx->Const limits for textures. |
| * |
| * 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 one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D, |
| * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV, |
| * GL_PROXY_TEXTURE_CUBE_MAP_ARB. |
| * \param level as passed to glTexImage |
| * \param internalFormat as passed to glTexImage |
| * \param format as passed to glTexImage |
| * \param type as passed to glTexImage |
| * \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, |
| GLint internalFormat, GLenum format, GLenum type, |
| GLint width, GLint height, GLint depth, GLint border) |
| { |
| GLint maxSize; |
| |
| (void) internalFormat; |
| (void) format; |
| (void) type; |
| |
| switch (target) { |
| case GL_PROXY_TEXTURE_1D: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width >0 && !_mesa_is_pow_two(width - 2 * border)) || |
| level >= ctx->Const.MaxTextureLevels) { |
| /* bad width or level */ |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_2D: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width > 0 && !_mesa_is_pow_two(width - 2 * border)) || |
| height < 2 * border || height > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| height > 0 && !_mesa_is_pow_two(height - 2 * border)) || |
| level >= ctx->Const.MaxTextureLevels) { |
| /* bad width or height or level */ |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_3D: |
| maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width > 0 && !_mesa_is_pow_two(width - 2 * border)) || |
| height < 2 * border || height > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| height > 0 && !_mesa_is_pow_two(height - 2 * border)) || |
| depth < 2 * border || depth > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) || |
| level >= ctx->Const.Max3DTextureLevels) { |
| /* bad width or height or depth or level */ |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_RECTANGLE_NV: |
| if (width < 0 || width > ctx->Const.MaxTextureRectSize || |
| height < 0 || height > ctx->Const.MaxTextureRectSize || |
| level != 0) { |
| /* bad width or height or level */ |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width > 0 && !_mesa_is_pow_two(width - 2 * border)) || |
| height < 2 * border || height > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| height > 0 && !_mesa_is_pow_two(height - 2 * border)) || |
| level >= ctx->Const.MaxCubeTextureLevels) { |
| /* bad width or height */ |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_1D_ARRAY_EXT: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width > 0 && !_mesa_is_pow_two(width - 2 * border)) || |
| level >= ctx->Const.MaxTextureLevels) { |
| /* bad width or level */ |
| return GL_FALSE; |
| } |
| |
| if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) { |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); |
| if (width < 2 * border || width > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| width > 0 && !_mesa_is_pow_two(width - 2 * border)) || |
| height < 2 * border || height > 2 + maxSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && |
| height > 0 && !_mesa_is_pow_two(height - 2 * border)) || |
| level >= ctx->Const.MaxTextureLevels) { |
| /* bad width or height or level */ |
| return GL_FALSE; |
| } |
| if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) { |
| return GL_FALSE; |
| } |
| return GL_TRUE; |
| default: |
| _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage"); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Helper function to determine whether a target supports compressed textures |
| */ |
| static GLboolean |
| target_can_be_compressed(struct gl_context *ctx, GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| return GL_TRUE; |
| 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: |
| return ctx->Extensions.ARB_texture_cube_map; |
| case GL_PROXY_TEXTURE_2D_ARRAY_EXT: |
| case GL_TEXTURE_2D_ARRAY_EXT: |
| return ctx->Extensions.MESA_texture_array; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /** |
| * Test the glTexImage[123]D() parameters for errors. |
| * |
| * \param ctx GL context. |
| * \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 format pixel data format given by the user. |
| * \param type pixel data type given by the user. |
| * \param dimensions texture image dimensions (must be 1, 2 or 3). |
| * \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 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 |
| texture_error_check( struct gl_context *ctx, GLenum target, |
| GLint level, GLint internalFormat, |
| GLenum format, GLenum type, |
| GLuint dimensions, |
| GLint width, GLint height, |
| GLint depth, GLint border ) |
| { |
| const GLboolean isProxy = _mesa_is_proxy_texture(target); |
| GLboolean sizeOK = GL_TRUE; |
| GLboolean colorFormat, indexFormat; |
| GLenum proxy_target; |
| |
| /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(level=%d)", dimensions, level); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(border=%d)", dimensions, border); |
| } |
| return GL_TRUE; |
| } |
| |
| if (width < 0 || height < 0 || depth < 0) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(width, height or depth < 0)", dimensions); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Check target and call ctx->Driver.TestProxyTexImage() to check the |
| * level, width, height and depth. |
| */ |
| if (dimensions == 1) { |
| if (target == GL_PROXY_TEXTURE_1D || target == GL_TEXTURE_1D) { |
| proxy_target = GL_PROXY_TEXTURE_1D; |
| height = 1; |
| depth = 1; |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| depth = 1; |
| if (target == GL_PROXY_TEXTURE_2D || target == GL_TEXTURE_2D) { |
| proxy_target = GL_PROXY_TEXTURE_2D; |
| } |
| else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB || |
| (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) { |
| if (!ctx->Extensions.ARB_texture_cube_map) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); |
| return GL_TRUE; |
| } |
| proxy_target = GL_PROXY_TEXTURE_CUBE_MAP_ARB; |
| sizeOK = (width == height); |
| } |
| else if (target == GL_PROXY_TEXTURE_RECTANGLE_NV || |
| target == GL_TEXTURE_RECTANGLE_NV) { |
| if (!ctx->Extensions.NV_texture_rectangle) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); |
| return GL_TRUE; |
| } |
| proxy_target = GL_PROXY_TEXTURE_RECTANGLE_NV; |
| } |
| else if (target == GL_PROXY_TEXTURE_1D_ARRAY_EXT || |
| target == GL_TEXTURE_1D_ARRAY_EXT) { |
| proxy_target = GL_PROXY_TEXTURE_1D_ARRAY_EXT; |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)"); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 3) { |
| if (target == GL_PROXY_TEXTURE_3D || target == GL_TEXTURE_3D) { |
| proxy_target = GL_PROXY_TEXTURE_3D; |
| } |
| else if (target == GL_PROXY_TEXTURE_2D_ARRAY_EXT || |
| target == GL_TEXTURE_2D_ARRAY_EXT) { |
| proxy_target = GL_PROXY_TEXTURE_2D_ARRAY_EXT; |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else { |
| _mesa_problem( ctx, "bad dims in texture_error_check" ); |
| return GL_TRUE; |
| } |
| |
| sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxy_target, level, |
| internalFormat, format, |
| type, width, height, |
| depth, border); |
| if (!sizeOK) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)", |
| dimensions, level, width, height, depth); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Check internalFormat */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexImage%dD(internalFormat=%s)", |
| dimensions, _mesa_lookup_enum_by_nr(internalFormat)); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Check incoming image format and type */ |
| if (!_mesa_is_legal_format_and_type(ctx, format, type)) { |
| /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there |
| * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4. |
| */ |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(incompatible format 0x%x, type 0x%x)", |
| dimensions, format, type); |
| } |
| return GL_TRUE; |
| } |
| |
| /* make sure internal format and format basically agree */ |
| colorFormat = _mesa_is_color_format(format); |
| indexFormat = _mesa_is_index_format(format); |
| if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) || |
| (_mesa_is_index_format(internalFormat) && !indexFormat) || |
| (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) || |
| (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) || |
| (_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) || |
| (_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) { |
| if (!isProxy) |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)", |
| dimensions, internalFormat, 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) { |
| if (!isProxy) |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)"); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| if (!isProxy) { |
| 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_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) { |
| /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */ |
| if (target != GL_TEXTURE_1D && |
| target != GL_PROXY_TEXTURE_1D && |
| target != GL_TEXTURE_2D && |
| target != GL_PROXY_TEXTURE_2D && |
| target != GL_TEXTURE_RECTANGLE_ARB && |
| target != GL_PROXY_TEXTURE_RECTANGLE_ARB) { |
| if (!isProxy) |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage(target/internalFormat)"); |
| return GL_TRUE; |
| } |
| } |
| |
| /* additional checks for compressed textures */ |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| if (!target_can_be_compressed(ctx, target) && !isProxy) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexImage%dD(target)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexImage%dD(border!=0)", dimensions); |
| } |
| return GL_TRUE; |
| } |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * 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. |
| * \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 |
| subtexture_error_check( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type ) |
| { |
| /* Check target */ |
| if (dimensions == 1) { |
| if (target != GL_TEXTURE_1D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target == GL_TEXTURE_RECTANGLE_NV) { |
| if (!ctx->Extensions.NV_texture_rectangle) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target == GL_TEXTURE_1D_ARRAY_EXT) { |
| if (!ctx->Extensions.MESA_texture_array) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target != GL_TEXTURE_2D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 3) { |
| if (target == GL_TEXTURE_2D_ARRAY_EXT) { |
| if (!ctx->Extensions.MESA_texture_array) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target != GL_TEXTURE_3D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else { |
| _mesa_problem( ctx, "invalid dims in texture_error_check" ); |
| return GL_TRUE; |
| } |
| |
| /* Basic level check */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level); |
| return GL_TRUE; |
| } |
| |
| if (width < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(width=%d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if (height < 0 && dimensions > 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(height=%d)", dimensions, height); |
| return GL_TRUE; |
| } |
| if (depth < 0 && dimensions > 2) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glTexSubImage%dD(depth=%d)", dimensions, depth); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_is_legal_format_and_type(ctx, format, type)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)", |
| dimensions, format, type); |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Do second part of glTexSubImage which depends on the destination texture. |
| * \return GL_TRUE if error recorded, GL_FALSE otherwise |
| */ |
| static GLboolean |
| subtexture_error_check2( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type, |
| const struct gl_texture_image *destTex ) |
| { |
| if (!destTex) { |
| /* undefined image level */ |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (xoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| if (yoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)", |
| dimensions); |
| return GL_TRUE; |
| } |
| if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| if (dimensions > 2) { |
| if (zoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)"); |
| return GL_TRUE; |
| } |
| if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)"); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_format_compressed(destTex->TexFormat)) { |
| GLuint bw, bh; |
| |
| if (!target_can_be_compressed(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glTexSubImage%dD(target=%s)", dimensions, |
| _mesa_lookup_enum_by_nr(target)); |
| return GL_TRUE; |
| } |
| |
| /* do tests which depend on compression block size */ |
| _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh); |
| |
| /* offset must be multiple of block size */ |
| if ((xoffset % bw != 0) || (yoffset % bh != 0)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(xoffset = %d, yoffset = %d)", |
| dimensions, xoffset, yoffset); |
| return GL_TRUE; |
| } |
| /* size must be multiple of bw by bh or equal to whole texture size */ |
| if ((width % bw != 0) && (GLuint) width != destTex->Width) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(width = %d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if ((height % bh != 0) && (GLuint) height != destTex->Height) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glTexSubImage%dD(height = %d)", dimensions, height); |
| 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 ) |
| { |
| GLenum type; |
| GLboolean sizeOK; |
| GLint format; |
| |
| /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check that the source buffer is complete */ |
| if (ctx->ReadBuffer->Name) { |
| _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; |
| } |
| } |
| |
| /* Check border */ |
| if (border < 0 || border > 1 || |
| ((target == GL_TEXTURE_RECTANGLE_NV || |
| target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) { |
| return GL_TRUE; |
| } |
| |
| format = _mesa_base_tex_format(ctx, internalFormat); |
| if (format < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage%dD(internalFormat)", dimensions); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, format)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(missing readbuffer)", dimensions); |
| return GL_TRUE; |
| } |
| |
| /* NOTE: the format and type aren't really significant for |
| * TestProxyTexImage(). Only the internalformat really matters. |
| */ |
| type = GL_FLOAT; |
| |
| /* Check target and call ctx->Driver.TestProxyTexImage() to check the |
| * level, width, height and depth. |
| */ |
| if (dimensions == 1) { |
| if (target == GL_TEXTURE_1D) { |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D, |
| level, internalFormat, |
| format, type, |
| width, 1, 1, border); |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (target == GL_TEXTURE_2D) { |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D, |
| level, internalFormat, |
| format, type, |
| width, height, 1, border); |
| } |
| else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| sizeOK = (width == height) && |
| ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB, |
| level, internalFormat, format, type, |
| width, height, 1, border); |
| } |
| else if (target == GL_TEXTURE_RECTANGLE_NV) { |
| if (!ctx->Extensions.NV_texture_rectangle) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, |
| GL_PROXY_TEXTURE_RECTANGLE_NV, |
| level, internalFormat, |
| format, type, |
| width, height, 1, border); |
| } |
| else if (target == GL_TEXTURE_1D_ARRAY_EXT) { |
| if (!ctx->Extensions.MESA_texture_array) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)"); |
| return GL_TRUE; |
| } |
| sizeOK = ctx->Driver.TestProxyTexImage(ctx, |
| GL_PROXY_TEXTURE_1D_ARRAY_EXT, |
| level, internalFormat, |
| format, type, |
| width, height, 1, border); |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else { |
| _mesa_problem(ctx, "invalid dimensions in copytexture_error_check"); |
| return GL_TRUE; |
| } |
| |
| if (!sizeOK) { |
| if (dimensions == 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage1D(width=%d)", width); |
| } |
| else { |
| ASSERT(dimensions == 2); |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexImage2D(width=%d, height=%d)", width, height); |
| } |
| return GL_TRUE; |
| } |
| |
| if (_mesa_is_compressed_format(ctx, internalFormat)) { |
| if (!target_can_be_compressed(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexImage%dD(target)", dimensions); |
| return GL_TRUE; |
| } |
| if (border != 0) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(border!=0)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| else if (_mesa_is_depth_format(internalFormat)) { |
| /* make sure we have depth/stencil buffers */ |
| if (!ctx->ReadBuffer->_DepthBuffer) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(no depth)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| else if (_mesa_is_depthstencil_format(internalFormat)) { |
| /* make sure we have depth/stencil buffers */ |
| if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexImage%dD(no depth/stencil buffer)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Test glCopyTexSubImage[12]D() parameters for errors. |
| * Note that this is the first part of error checking. |
| * See also copytexsubimage_error_check2() below for the second part. |
| * |
| * \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. |
| * |
| * \return GL_TRUE if an error was detected, or GL_FALSE if no errors. |
| */ |
| static GLboolean |
| copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level) |
| { |
| /* Check that the source buffer is complete */ |
| if (ctx->ReadBuffer->Name) { |
| _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; |
| } |
| } |
| |
| /* Check target */ |
| if (dimensions == 1) { |
| if (target != GL_TEXTURE_1D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target == GL_TEXTURE_RECTANGLE_NV) { |
| if (!ctx->Extensions.NV_texture_rectangle) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target == GL_TEXTURE_1D_ARRAY_EXT) { |
| if (!ctx->Extensions.MESA_texture_array) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target != GL_TEXTURE_2D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 3) { |
| if (((target != GL_TEXTURE_2D_ARRAY_EXT) || |
| (!ctx->Extensions.MESA_texture_array)) |
| && (target != GL_TEXTURE_3D)) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Check level */ |
| if (level < 0 || level >= MAX_TEXTURE_LEVELS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(level=%d)", dimensions, level); |
| return GL_TRUE; |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /** |
| * Second part of error checking for glCopyTexSubImage[12]D(). |
| * \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 width image width given by the user. |
| * \param height image height given by the user. |
| */ |
| static GLboolean |
| copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, |
| const struct gl_texture_image *teximage ) |
| { |
| /* check that dest tex image exists */ |
| if (!teximage) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(undefined texture level: %d)", |
| dimensions, level); |
| return GL_TRUE; |
| } |
| |
| /* Check size */ |
| if (width < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(width=%d)", dimensions, width); |
| return GL_TRUE; |
| } |
| if (dimensions > 1 && height < 0) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(height=%d)", dimensions, height); |
| return GL_TRUE; |
| } |
| |
| /* check x/y offsets */ |
| if (xoffset < -((GLint)teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset); |
| return GL_TRUE; |
| } |
| if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset+width)", dimensions); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| if (yoffset < -((GLint)teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset); |
| return GL_TRUE; |
| } |
| /* NOTE: we're adding the border here, not subtracting! */ |
| if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(yoffset+height)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| /* check z offset */ |
| if (dimensions > 2) { |
| if (zoffset < -((GLint)teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(zoffset)", dimensions); |
| return GL_TRUE; |
| } |
| if (zoffset > (GLint) (teximage->Depth + teximage->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(zoffset+depth)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (_mesa_is_format_compressed(teximage->TexFormat)) { |
| if (!target_can_be_compressed(ctx, target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glCopyTexSubImage%dD(target)", dimensions); |
| return GL_TRUE; |
| } |
| /* offset must be multiple of 4 */ |
| if ((xoffset & 3) || (yoffset & 3)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions); |
| return GL_TRUE; |
| } |
| /* size must be multiple of 4 */ |
| if ((width & 3) != 0 && (GLuint) width != teximage->Width) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(width)", dimensions); |
| return GL_TRUE; |
| } |
| if ((height & 3) != 0 && (GLuint) height != teximage->Height) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCopyTexSubImage%dD(height)", dimensions); |
| return GL_TRUE; |
| } |
| } |
| |
| if (teximage->InternalFormat == GL_YCBCR_MESA) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D"); |
| return GL_TRUE; |
| } |
| |
| if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)", |
| dimensions, teximage->_BaseFormat); |
| return GL_TRUE; |
| } |
| |
| if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) { |
| if (!ctx->ReadBuffer->_DepthBuffer) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(no depth buffer)", |
| dimensions); |
| return GL_TRUE; |
| } |
| } |
| else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) { |
| if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCopyTexSubImage%dD(no depth/stencil buffer)", |
| dimensions); |
| 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 (fb->Name) { |
| 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) { |
| ASSERT(att->Texture->Image[att->CubeMapFace][att->TextureLevel]); |
| /* Tell driver about the new renderbuffer texture */ |
| ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att); |
| /* 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. |
| */ |
| static void |
| 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) |
| { |
| ASSERT(target != GL_TEXTURE_CUBE_MAP); |
| 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. |
| */ |
| void |
| _mesa_choose_texture_format(struct gl_context *ctx, |
| struct gl_texture_object *texObj, |
| struct gl_texture_image *texImage, |
| GLenum target, GLint level, |
| GLenum internalFormat, GLenum format, GLenum type) |
| { |
| /* see if we've already chosen a format for the previous level */ |
| if (level > 0) { |
| struct gl_texture_image *prevImage = |
| _mesa_select_tex_image(ctx, 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 */ |
| texImage->TexFormat = prevImage->TexFormat; |
| return; |
| } |
| } |
| |
| /* choose format from scratch */ |
| texImage->TexFormat = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, |
| format, type); |
| ASSERT(texImage->TexFormat != MESA_FORMAT_NONE); |
| } |
| |
| |
| |
| /* |
| * 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); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexImage1D %s %d %s %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), width, border, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| internalFormat = override_internal_format(internalFormat, width, 1); |
| |
| if (target == GL_TEXTURE_1D) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 1, width, 1, 1, border)) { |
| return; /* error was recorded */ |
| } |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| |
| ASSERT(texImage->Data == NULL); |
| |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, 1, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| |
| /* Give the texture to the driver. <pixels> may be null. */ |
| ASSERT(ctx->Driver.TexImage1D); |
| ctx->Driver.TexImage1D(ctx, target, level, internalFormat, |
| width, border, format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| |
| ASSERT(texImage->TexFormat); |
| |
| _mesa_set_fetch_functions(texImage, 1); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| update_fbo_texture(ctx, texObj, face, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_1D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 1, width, 1, 1, border)) { |
| /* when error, clear all proxy texture image parameters */ |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* no error, set the tex image parameters */ |
| struct gl_texture_object *texObj = |
| _mesa_get_current_tex_object(ctx, target); |
| ASSERT(texImage); |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, 1, 1, |
| border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); |
| return; |
| } |
| } |
| |
| |
| 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); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexImage2D %s %d %s %d %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), width, height, |
| border, _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| internalFormat = override_internal_format(internalFormat, width, height); |
| |
| if (target == GL_TEXTURE_2D || |
| (ctx->Extensions.ARB_texture_cube_map && |
| target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) || |
| (ctx->Extensions.NV_texture_rectangle && |
| target == GL_TEXTURE_RECTANGLE_NV) || |
| (ctx->Extensions.MESA_texture_array && |
| target == GL_TEXTURE_1D_ARRAY_EXT)) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 2, width, height, 1, border)) { |
| return; /* error was recorded */ |
| } |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| |
| ASSERT(texImage->Data == NULL); |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, height, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| |
| /* Give the texture to the driver. <pixels> may be null. */ |
| ASSERT(ctx->Driver.TexImage2D); |
| ctx->Driver.TexImage2D(ctx, target, level, internalFormat, |
| width, height, border, format, type, |
| pixels, &ctx->Unpack, texObj, texImage); |
| |
| ASSERT(texImage->TexFormat); |
| |
| _mesa_set_fetch_functions(texImage, 2); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| update_fbo_texture(ctx, texObj, face, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_2D || |
| (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB && |
| ctx->Extensions.ARB_texture_cube_map) || |
| (target == GL_PROXY_TEXTURE_RECTANGLE_NV && |
| ctx->Extensions.NV_texture_rectangle) || |
| (ctx->Extensions.MESA_texture_array && |
| target == GL_PROXY_TEXTURE_1D_ARRAY_EXT)) { |
| /* Proxy texture: check for errors and update proxy state */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 2, width, height, 1, border)) { |
| /* when error, clear all proxy texture image parameters */ |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* no error, set the tex image parameters */ |
| struct gl_texture_object *texObj = |
| _mesa_get_current_tex_object(ctx, target); |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, height, 1, |
| border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" ); |
| return; |
| } |
| } |
| |
| |
| /* |
| * 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); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexImage3D %s %d %s %d %d %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), width, height, |
| depth, border, _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| internalFormat = override_internal_format(internalFormat, width, height); |
| |
| if (target == GL_TEXTURE_3D || |
| (ctx->Extensions.MESA_texture_array && |
| target == GL_TEXTURE_2D_ARRAY_EXT)) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| |
| if (texture_error_check(ctx, target, level, (GLint) internalFormat, |
| format, type, 3, width, height, depth, border)) { |
| return; /* error was recorded */ |
| } |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| |
| ASSERT(texImage->Data == NULL); |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, height, depth, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| |
| /* Give the texture to the driver. <pixels> may be null. */ |
| ASSERT(ctx->Driver.TexImage3D); |
| ctx->Driver.TexImage3D(ctx, target, level, internalFormat, |
| width, height, depth, border, format, type, |
| pixels, &ctx->Unpack, texObj, texImage); |
| |
| ASSERT(texImage->TexFormat); |
| |
| _mesa_set_fetch_functions(texImage, 3); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| update_fbo_texture(ctx, texObj, face, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_3D || |
| (ctx->Extensions.MESA_texture_array && |
| target == GL_PROXY_TEXTURE_2D_ARRAY_EXT)) { |
| /* Proxy texture: check for errors and update proxy state */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 3, width, height, depth, border)) { |
| /* when error, clear all proxy texture image parameters */ |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* no error, set the tex image parameters */ |
| struct gl_texture_object *texObj = |
| _mesa_get_current_tex_object(ctx, target); |
| _mesa_init_teximage_fields(ctx, target, texImage, width, height, |
| depth, border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, format, type); |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); |
| return; |
| } |
| } |
| |
| |
| 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); |
| } |
| |
| |
| #if FEATURE_OES_EGL_image |
| void GLAPIENTRY |
| _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (!ctx->Extensions.OES_EGL_image) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glEGLImageTargetTexture2DOES(unsupported)"); |
| return; |
| } |
| |
| if (target != GL_TEXTURE_2D) { |
| _mesa_error(ctx, GL_INVALID_ENUM, |
| "glEGLImageTargetTexture2D(target=%d)", target); |
| return; |
| } |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| _mesa_lock_texture(ctx, texObj); |
| |
| texImage = _mesa_get_tex_image(ctx, texObj, target, 0); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D"); |
| } else { |
| if (texImage->Data) |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| |
| ASSERT(texImage->Data == NULL); |
| ctx->Driver.EGLImageTargetTexture2D(ctx, target, |
| texObj, texImage, image); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| |
| } |
| #endif |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLsizei width, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexSubImage1D %s %d %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| xoffset, width, _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0, |
| width, 1, 1, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| assert(texObj); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (subtexture_error_check2(ctx, 1, target, level, xoffset, 0, 0, |
| width, 1, 1, format, type, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0) { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| |
| ASSERT(ctx->Driver.TexSubImage1D); |
| ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width, |
| format, type, pixels, &ctx->Unpack, |
| texObj, texImage); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexSubImage2D %s %d %d %d %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| xoffset, yoffset, width, height, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0, |
| width, height, 1, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (subtexture_error_check2(ctx, 2, target, level, xoffset, yoffset, 0, |
| width, height, 1, format, type, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0 && height >= 0) { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| yoffset += texImage->Border; |
| |
| ASSERT(ctx->Driver.TexSubImage2D); |
| ctx->Driver.TexSubImage2D(ctx, target, level, xoffset, yoffset, |
| width, height, format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| 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 ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glTexSubImage3D %s %d %d %d %d %d %d %d %s %s %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| xoffset, yoffset, zoffset, width, height, depth, |
| _mesa_lookup_enum_by_nr(format), |
| _mesa_lookup_enum_by_nr(type), pixels); |
| |
| if (ctx->NewState & _MESA_NEW_TRANSFER_STATE) |
| _mesa_update_state(ctx); |
| |
| if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (subtexture_error_check2(ctx, 3, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0 && height > 0 && height > 0) { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| yoffset += texImage->Border; |
| zoffset += texImage->Border; |
| |
| ASSERT(ctx->Driver.TexSubImage3D); |
| ctx->Driver.TexSubImage3D(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, |
| &ctx->Unpack, texObj, texImage ); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage1D( GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, |
| GLsizei width, GLint border ) |
| { |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| const GLuint face = _mesa_tex_target_to_face(target); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexImage1D %s %d %s %d %d %d %d\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| x, y, width, border); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexture_error_check(ctx, 1, target, level, internalFormat, |
| width, 1, border)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| |
| ASSERT(texImage->Data == NULL); |
| |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| ASSERT(ctx->Driver.CopyTexImage1D); |
| ctx->Driver.CopyTexImage1D(ctx, target, level, internalFormat, |
| x, y, width, border); |
| |
| ASSERT(texImage->TexFormat); |
| |
| _mesa_set_fetch_functions(texImage, 1); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| update_fbo_texture(ctx, texObj, face, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CopyTexImage2D( 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); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexImage2D %s %d %s %d %d %d %d %d\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| x, y, width, height, border); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexture_error_check(ctx, 2, target, level, internalFormat, |
| width, height, border)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| |
| ASSERT(texImage->Data == NULL); |
| |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, height, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| ASSERT(ctx->Driver.CopyTexImage2D); |
| ctx->Driver.CopyTexImage2D(ctx, target, level, internalFormat, |
| x, y, width, height, border); |
| |
| ASSERT(texImage->TexFormat); |
| |
| _mesa_set_fetch_functions(texImage, 2); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| update_fbo_texture(ctx, texObj, face, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _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; |
| struct gl_texture_image *texImage; |
| GLint yoffset = 0; |
| GLsizei height = 1; |
| |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexSubImage1D %s %d %d %d %d %d\n", |
| _mesa_lookup_enum_by_nr(target), |
| level, xoffset, x, y, width); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexsubimage_error_check1(ctx, 1, target, level)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (copytexsubimage_error_check2(ctx, 1, target, level, |
| xoffset, 0, 0, width, 1, texImage)) { |
| /* error was recorded */ |
| } |
| else { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| |
| if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, |
| &width, &height)) { |
| ASSERT(ctx->Driver.CopyTexSubImage1D); |
| ctx->Driver.CopyTexSubImage1D(ctx, target, level, |
| xoffset, x, y, width); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| 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; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexSubImage2D %s %d %d %d %d %d %d %d\n", |
| _mesa_lookup_enum_by_nr(target), |
| level, xoffset, yoffset, x, y, width, height); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexsubimage_error_check1(ctx, 2, target, level)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (copytexsubimage_error_check2(ctx, 2, target, level, |
| xoffset, yoffset, 0, |
| width, height, texImage)) { |
| /* error was recorded */ |
| } |
| else { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| yoffset += texImage->Border; |
| |
| if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, |
| &width, &height)) { |
| ASSERT(ctx->Driver.CopyTexSubImage2D); |
| ctx->Driver.CopyTexSubImage2D(ctx, target, level, xoffset, yoffset, |
| x, y, width, height); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| 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; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCopyTexSubImage3D %s %d %d %d %d %d %d %d %d\n", |
| _mesa_lookup_enum_by_nr(target), |
| level, xoffset, yoffset, zoffset, x, y, width, height); |
| |
| if (ctx->NewState & NEW_COPY_TEX_STATE) |
| _mesa_update_state(ctx); |
| |
| if (copytexsubimage_error_check1(ctx, 3, target, level)) |
| return; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| |
| if (copytexsubimage_error_check2(ctx, 3, target, level, xoffset, yoffset, |
| zoffset, width, height, texImage)) { |
| /* error was recored */ |
| } |
| else { |
| /* If we have a border, xoffset=-1 is legal. Bias by border width */ |
| xoffset += texImage->Border; |
| yoffset += texImage->Border; |
| zoffset += texImage->Border; |
| |
| if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, |
| &width, &height)) { |
| ASSERT(ctx->Driver.CopyTexSubImage3D); |
| ctx->Driver.CopyTexSubImage3D(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| |
| |
| /**********************************************************************/ |
| /****** Compressed Textures ******/ |
| /**********************************************************************/ |
| |
| |
| /** |
| * Return expected size of a compressed texture. |
| */ |
| static GLuint |
| compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, |
| GLenum glformat) |
| { |
| gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); |
| return _mesa_format_image_size(mesaFormat, width, height, depth); |
| } |
| |
| |
| /* |
| * Return compressed texture block size, in pixels. |
| */ |
| static void |
| get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh) |
| { |
| gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); |
| _mesa_get_format_block_size(mesaFormat, bw, bh); |
| } |
| |
| |
| /** |
| * Error checking for glCompressedTexImage[123]D(). |
| * \return error code or GL_NO_ERROR. |
| */ |
| 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) |
| { |
| GLint expectedSize, maxLevels = 0, maxTextureSize; |
| |
| if (dimensions == 1) { |
| /* 1D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| else if (dimensions == 2) { |
| if (target == GL_PROXY_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else { |
| return GL_INVALID_ENUM; /*target*/ |
| } |
| } |
| else if (dimensions == 3) { |
| /* 3D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| else { |
| assert(0); |
| return GL_INVALID_ENUM; |
| } |
| |
| maxTextureSize = 1 << (maxLevels - 1); |
| |
| /* This will detect any invalid internalFormat value */ |
| if (!_mesa_is_compressed_format(ctx, internalFormat)) |
| return GL_INVALID_ENUM; |
| |
| /* This should really never fail */ |
| if (_mesa_base_tex_format(ctx, internalFormat) < 0) |
| return GL_INVALID_ENUM; |
| |
| if (border != 0) |
| return GL_INVALID_VALUE; |
| |
| /* |
| * XXX We should probably use the proxy texture error check function here. |
| */ |
| if (width < 1 || width > maxTextureSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(width))) |
| return GL_INVALID_VALUE; |
| |
| if ((height < 1 || height > maxTextureSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(height))) |
| && dimensions > 1) |
| return GL_INVALID_VALUE; |
| |
| if ((depth < 1 || depth > maxTextureSize || |
| (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(depth))) |
| && dimensions > 2) |
| return GL_INVALID_VALUE; |
| |
| /* For cube map, width must equal height */ |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height) |
| return GL_INVALID_VALUE; |
| |
| if (level < 0 || level >= maxLevels) |
| return GL_INVALID_VALUE; |
| |
| expectedSize = compressed_tex_size(width, height, depth, internalFormat); |
| if (expectedSize != imageSize) |
| return GL_INVALID_VALUE; |
| |
| #if FEATURE_EXT_texture_sRGB |
| if ((internalFormat == GL_COMPRESSED_SRGB_S3TC_DXT1_EXT || |
| internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT || |
| internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT || |
| internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT) |
| && border != 0) { |
| return GL_INVALID_OPERATION; |
| } |
| #endif |
| |
| return GL_NO_ERROR; |
| } |
| |
| |
| /** |
| * Error checking for glCompressedTexSubImage[123]D(). |
| * \warning There are some bad assumptions here about the size of compressed |
| * texture tiles (multiple of 4) used to test the validity of the |
| * offset and size parameters. |
| * \return error code or GL_NO_ERROR. |
| */ |
| static GLenum |
| compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize) |
| { |
| GLint expectedSize, maxLevels = 0, maxTextureSize; |
| GLuint bw, bh; |
| (void) zoffset; |
| |
| if (dimensions == 1) { |
| /* 1D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| else if (dimensions == 2) { |
| if (target == GL_PROXY_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_TEXTURE_2D) { |
| maxLevels = ctx->Const.MaxTextureLevels; |
| } |
| else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (!ctx->Extensions.ARB_texture_cube_map) |
| return GL_INVALID_ENUM; /*target*/ |
| maxLevels = ctx->Const.MaxCubeTextureLevels; |
| } |
| else { |
| return GL_INVALID_ENUM; /*target*/ |
| } |
| } |
| else if (dimensions == 3) { |
| /* 3D compressed textures not allowed */ |
| return GL_INVALID_ENUM; |
| } |
| |
| maxTextureSize = 1 << (maxLevels - 1); |
| |
| /* this will catch any invalid compressed format token */ |
| if (!_mesa_is_compressed_format(ctx, format)) |
| return GL_INVALID_ENUM; |
| |
| if (width < 1 || width > maxTextureSize) |
| return GL_INVALID_VALUE; |
| |
| if ((height < 1 || height > maxTextureSize) |
| && dimensions > 1) |
| return GL_INVALID_VALUE; |
| |
| if (level < 0 || level >= maxLevels) |
| return GL_INVALID_VALUE; |
| |
| /* |
| * do checks which depend on compression block size |
| */ |
| get_compressed_block_size(format, &bw, &bh); |
| |
| if ((xoffset % bw != 0) || (yoffset % bh != 0)) |
| return GL_INVALID_VALUE; |
| |
| if ((width % bw != 0) && width != 2 && width != 1) |
| return GL_INVALID_VALUE; |
| |
| if ((height % bh != 0) && height != 2 && height != 1) |
| return GL_INVALID_VALUE; |
| |
| expectedSize = compressed_tex_size(width, height, depth, format); |
| if (expectedSize != imageSize) |
| return GL_INVALID_VALUE; |
| |
| return GL_NO_ERROR; |
| } |
| |
| |
| /** |
| * Do second part of glCompressedTexSubImage error checking. |
| * \return GL_TRUE if error found, GL_FALSE otherwise. |
| */ |
| static GLboolean |
| compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims, |
| GLsizei width, GLsizei height, |
| GLsizei depth, GLenum format, |
| struct gl_texture_image *texImage) |
| { |
| |
| if ((GLint) format != texImage->InternalFormat) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glCompressedTexSubImage%uD(format=0x%x)", dims, format); |
| return GL_TRUE; |
| } |
| |
| if (((width == 1 || width == 2) && |
| width != (GLsizei) texImage->Width) || |
| (width > (GLsizei) texImage->Width)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(width=%d)", dims, width); |
| return GL_TRUE; |
| } |
| |
| if (dims >= 2) { |
| if (((height == 1 || height == 2) && |
| height != (GLsizei) texImage->Height) || |
| (height > (GLsizei) texImage->Height)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(height=%d)", dims, height); |
| return GL_TRUE; |
| } |
| } |
| |
| if (dims >= 3) { |
| if (((depth == 1 || depth == 2) && |
| depth != (GLsizei) texImage->Depth) || |
| (depth > (GLsizei) texImage->Depth)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glCompressedTexSubImage%uD(depth=%d)", dims, depth); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage1DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCompressedTexImage1DARB %s %d %s %d %d %d %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| width, border, imageSize, data); |
| |
| if (target == GL_TEXTURE_1D) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GLenum error = compressed_texture_error_check(ctx, 1, target, level, |
| internalFormat, width, 1, 1, border, imageSize); |
| if (error) { |
| _mesa_error(ctx, error, "glCompressedTexImage1D"); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| ASSERT(texImage->Data == NULL); |
| |
| _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| ASSERT(ctx->Driver.CompressedTexImage1D); |
| ctx->Driver.CompressedTexImage1D(ctx, target, level, |
| internalFormat, width, border, |
| imageSize, data, |
| texObj, texImage); |
| |
| _mesa_set_fetch_functions(texImage, 1); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_1D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = compressed_texture_error_check(ctx, 1, target, level, |
| internalFormat, width, 1, 1, border, imageSize); |
| if (!error) { |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, GL_NONE, GL_NONE, |
| width, 1, 1, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* store the teximage parameters */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1, |
| border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1D(target)"); |
| return; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage2DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLint border, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCompressedTexImage2DARB %s %d %s %d %d %d %d %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| width, height, border, imageSize, data); |
| |
| #if FEATURE_ES |
| 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, data); |
| return; |
| } |
| #endif |
| |
| if (target == GL_TEXTURE_2D || |
| (ctx->Extensions.ARB_texture_cube_map && |
| target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| GLenum error = compressed_texture_error_check(ctx, 2, target, level, |
| internalFormat, width, height, 1, border, imageSize); |
| if (error) { |
| _mesa_error(ctx, error, "glCompressedTexImage2D"); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| ASSERT(texImage->Data == NULL); |
| |
| _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1, |
| border, internalFormat); |
| |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| ASSERT(ctx->Driver.CompressedTexImage2D); |
| ctx->Driver.CompressedTexImage2D(ctx, target, level, |
| internalFormat, width, height, |
| border, imageSize, data, |
| texObj, texImage); |
| |
| _mesa_set_fetch_functions(texImage, 2); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_2D || |
| (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB && |
| ctx->Extensions.ARB_texture_cube_map)) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = compressed_texture_error_check(ctx, 2, target, level, |
| internalFormat, width, height, 1, border, imageSize); |
| if (!error) { |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, GL_NONE, GL_NONE, |
| width, height, 1, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* store the teximage parameters */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1, |
| border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2D(target)"); |
| return; |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexImage3DARB(GLenum target, GLint level, |
| GLenum internalFormat, GLsizei width, |
| GLsizei height, GLsizei depth, GLint border, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| _mesa_debug(ctx, "glCompressedTexImage3DARB %s %d %s %d %d %d %d %d %p\n", |
| _mesa_lookup_enum_by_nr(target), level, |
| _mesa_lookup_enum_by_nr(internalFormat), |
| width, height, depth, border, imageSize, data); |
| |
| if (target == GL_TEXTURE_3D) { |
| /* non-proxy target */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GLenum error = compressed_texture_error_check(ctx, 3, target, level, |
| internalFormat, width, height, depth, border, imageSize); |
| if (error) { |
| _mesa_error(ctx, error, "glCompressedTexImage3D"); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_get_tex_image(ctx, texObj, target, level); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3D"); |
| } |
| else { |
| if (texImage->Data) { |
| ctx->Driver.FreeTexImageData( ctx, texImage ); |
| } |
| ASSERT(texImage->Data == NULL); |
| |
| _mesa_init_teximage_fields(ctx, target, texImage, |
| width, height, depth, |
| border, internalFormat); |
| |
| /* Choose actual texture format */ |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| |
| ASSERT(ctx->Driver.CompressedTexImage3D); |
| ctx->Driver.CompressedTexImage3D(ctx, target, level, |
| internalFormat, |
| width, height, depth, |
| border, imageSize, data, |
| texObj, texImage); |
| |
| _mesa_set_fetch_functions(texImage, 3); |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| /* state update */ |
| texObj->_Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| else if (target == GL_PROXY_TEXTURE_3D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = compressed_texture_error_check(ctx, 3, target, level, |
| internalFormat, width, height, depth, border, imageSize); |
| if (!error) { |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, GL_NONE, GL_NONE, |
| width, height, depth, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| struct gl_texture_image *texImage; |
| texImage = _mesa_get_proxy_tex_image(ctx, target, level); |
| if (texImage) |
| clear_teximage_fields(texImage); |
| } |
| else { |
| /* store the teximage parameters */ |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| _mesa_init_teximage_fields(ctx, target, texImage, width, height, |
| depth, border, internalFormat); |
| _mesa_choose_texture_format(ctx, texObj, texImage, target, level, |
| internalFormat, GL_NONE, GL_NONE); |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| } |
| else { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3D(target)"); |
| return; |
| } |
| } |
| |
| |
| /** |
| * Common helper for glCompressedTexSubImage1/2/3D(). |
| */ |
| static void |
| compressed_tex_sub_image(GLuint dims, 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; |
| GLenum error; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| error = compressed_subtexture_error_check(ctx, dims, target, level, |
| xoffset, 0, 0, /* pos */ |
| width, height, depth, /* size */ |
| format, imageSize); |
| if (error) { |
| _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims); |
| return; |
| } |
| |
| texObj = _mesa_get_current_tex_object(ctx, target); |
| |
| _mesa_lock_texture(ctx, texObj); |
| { |
| texImage = _mesa_select_tex_image(ctx, texObj, target, level); |
| assert(texImage); |
| |
| if (compressed_subtexture_error_check2(ctx, dims, width, height, depth, |
| format, texImage)) { |
| /* error was recorded */ |
| } |
| else if (width > 0 && height > 0 && depth > 0) { |
| switch (dims) { |
| case 1: |
| if (ctx->Driver.CompressedTexSubImage1D) { |
| ctx->Driver.CompressedTexSubImage1D(ctx, target, level, |
| xoffset, width, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| break; |
| case 2: |
| if (ctx->Driver.CompressedTexSubImage2D) { |
| ctx->Driver.CompressedTexSubImage2D(ctx, target, level, |
| xoffset, yoffset, |
| width, height, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| break; |
| case 3: |
| if (ctx->Driver.CompressedTexSubImage3D) { |
| ctx->Driver.CompressedTexSubImage3D(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| break; |
| default: |
| ; |
| } |
| |
| check_gen_mipmap(ctx, target, texObj, level); |
| |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| } |
| _mesa_unlock_texture(ctx, texObj); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, |
| GLsizei width, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1, |
| format, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLsizei width, GLsizei height, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0, |
| width, height, 1, format, imageSize, data); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLint zoffset, GLsizei width, |
| GLsizei height, GLsizei depth, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, imageSize, data); |
| } |
| |
| |