| /* $Id: teximage.c,v 1.83 2001/03/07 05:06:12 brianp Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.5 |
| * |
| * Copyright (C) 1999-2000 Brian Paul 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. |
| */ |
| |
| |
| #ifdef PC_HEADER |
| #include "all.h" |
| #else |
| #include "glheader.h" |
| #include "context.h" |
| #include "convolve.h" |
| #include "image.h" |
| #include "macros.h" |
| #include "mem.h" |
| #include "mmath.h" |
| #include "state.h" |
| #include "teximage.h" |
| #include "texstate.h" |
| #include "mtypes.h" |
| #include "swrast/s_span.h" /* XXX SWRAST hack */ |
| #endif |
| |
| |
| /* |
| * NOTES: |
| * |
| * Mesa's native texture datatype is GLchan. Native formats are |
| * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA, |
| * and GL_COLOR_INDEX. |
| * Device drivers are free to implement any internal format they want. |
| */ |
| |
| |
| #ifdef DEBUG |
| static void PrintTexture(const struct gl_texture_image *img) |
| { |
| GLuint i, j, c; |
| const GLchan *data = (const GLchan *) img->Data; |
| |
| if (!data) { |
| printf("No texture data\n"); |
| return; |
| } |
| |
| switch (img->Format) { |
| case GL_ALPHA: |
| case GL_LUMINANCE: |
| case GL_INTENSITY: |
| case GL_COLOR_INDEX: |
| c = 1; |
| break; |
| case GL_LUMINANCE_ALPHA: |
| c = 2; |
| break; |
| case GL_RGB: |
| c = 3; |
| break; |
| case GL_RGBA: |
| c = 4; |
| break; |
| default: |
| _mesa_problem(NULL, "error in PrintTexture\n"); |
| return; |
| } |
| |
| for (i = 0; i < img->Height; i++) { |
| for (j = 0; j < img->Width; j++) { |
| if (c==1) |
| printf("%02x ", data[0]); |
| else if (c==2) |
| printf("%02x%02x ", data[0], data[1]); |
| else if (c==3) |
| printf("%02x%02x%02x ", data[0], data[1], data[2]); |
| else if (c==4) |
| printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]); |
| data += c; |
| } |
| printf("\n"); |
| } |
| } |
| #endif |
| |
| |
| |
| /* |
| * Compute log base 2 of n. |
| * If n isn't an exact power of two return -1. |
| * If n<0 return -1. |
| */ |
| static int |
| logbase2( int n ) |
| { |
| GLint i = 1; |
| GLint log2 = 0; |
| |
| if (n<0) { |
| return -1; |
| } |
| |
| while ( n > i ) { |
| i *= 2; |
| log2++; |
| } |
| if (i != n) { |
| return -1; |
| } |
| else { |
| return log2; |
| } |
| } |
| |
| |
| |
| /* |
| * Given an internal texture format enum or 1, 2, 3, 4 return the |
| * corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE, |
| * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA. |
| * Return -1 if invalid enum. |
| */ |
| GLint |
| _mesa_base_tex_format( GLcontext *ctx, GLint format ) |
| { |
| /* |
| * Ask the driver for the base format, if it doesn't |
| * know, it will return -1; |
| */ |
| if (ctx->Driver.BaseCompressedTexFormat) { |
| GLint ifmt = (*ctx->Driver.BaseCompressedTexFormat)(ctx, format); |
| if (ifmt >= 0) { |
| return ifmt; |
| } |
| } |
| switch (format) { |
| 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; |
| 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; |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT16_SGIX: |
| case GL_DEPTH_COMPONENT24_SGIX: |
| case GL_DEPTH_COMPONENT32_SGIX: |
| if (ctx->Extensions.SGIX_depth_texture) |
| return GL_DEPTH_COMPONENT; |
| else |
| return -1; |
| default: |
| return -1; /* error */ |
| } |
| } |
| |
| |
| /* |
| * Test if the given image format is a color/rgba format. That is, |
| * not color index, depth, stencil, etc. |
| */ |
| static GLboolean |
| is_color_format(GLenum format) |
| { |
| switch (format) { |
| case GL_ALPHA: |
| case GL_ALPHA4: |
| case GL_ALPHA8: |
| case GL_ALPHA12: |
| case GL_ALPHA16: |
| case 1: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE4: |
| case GL_LUMINANCE8: |
| case GL_LUMINANCE12: |
| case GL_LUMINANCE16: |
| 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: |
| case GL_INTENSITY: |
| case GL_INTENSITY4: |
| case GL_INTENSITY8: |
| case GL_INTENSITY12: |
| case GL_INTENSITY16: |
| 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: |
| 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_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| static GLboolean |
| is_index_format(GLenum format) |
| { |
| switch (format) { |
| 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_TRUE; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| |
| /* |
| * Return GL_TRUE if internalFormat is a compressed format, return GL_FALSE |
| * otherwise. |
| */ |
| static GLboolean |
| is_compressed_format(GLcontext *ctx, GLenum internalFormat) |
| { |
| if (ctx->Driver.IsCompressedFormat) { |
| return (*ctx->Driver.IsCompressedFormat)(ctx, internalFormat); |
| } |
| return GL_FALSE; |
| } |
| |
| |
| |
| /* |
| * Store a gl_texture_image pointer in a gl_texture_object structure |
| * according to the target and level parameters. |
| * This was basically prompted by the introduction of cube maps. |
| */ |
| static void |
| set_tex_image(struct gl_texture_object *tObj, |
| GLenum target, GLint level, |
| struct gl_texture_image *texImage) |
| { |
| ASSERT(tObj); |
| ASSERT(texImage); |
| switch (target) { |
| case GL_TEXTURE_2D: |
| tObj->Image[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| tObj->Image[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| tObj->NegX[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| tObj->PosY[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| tObj->NegY[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| tObj->PosZ[level] = texImage; |
| return; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| tObj->NegZ[level] = texImage; |
| return; |
| default: |
| _mesa_problem(NULL, "bad target in set_tex_image()"); |
| return; |
| } |
| } |
| |
| |
| |
| /* |
| * Return new gl_texture_image struct with all fields initialized to zero. |
| */ |
| struct gl_texture_image * |
| _mesa_alloc_texture_image( void ) |
| { |
| return CALLOC_STRUCT(gl_texture_image); |
| } |
| |
| |
| |
| void |
| _mesa_free_texture_image( struct gl_texture_image *teximage ) |
| { |
| if (teximage->Data) { |
| FREE( teximage->Data ); |
| teximage->Data = NULL; |
| } |
| FREE( teximage ); |
| } |
| |
| |
| /* |
| * Return GL_TRUE if the target is a proxy target. |
| */ |
| static GLboolean |
| is_proxy_target(GLenum target) |
| { |
| return (target == GL_PROXY_TEXTURE_1D || |
| target == GL_PROXY_TEXTURE_2D || |
| target == GL_PROXY_TEXTURE_3D || |
| target == GL_PROXY_TEXTURE_CUBE_MAP_ARB); |
| } |
| |
| |
| /* |
| * Given a texture unit and a texture target, return the corresponding |
| * texture object. |
| */ |
| struct gl_texture_object * |
| _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit, |
| GLenum target) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return texUnit->Current1D; |
| case GL_PROXY_TEXTURE_1D: |
| return ctx->Texture.Proxy1D; |
| case GL_TEXTURE_2D: |
| return texUnit->Current2D; |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Texture.Proxy2D; |
| case GL_TEXTURE_3D: |
| return texUnit->Current3D; |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Texture.Proxy3D; |
| 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: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? texUnit->CurrentCubeMap : NULL; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? ctx->Texture.ProxyCubeMap : NULL; |
| default: |
| _mesa_problem(NULL, "bad target in _mesa_select_tex_object()"); |
| return NULL; |
| } |
| } |
| |
| |
| /* |
| * Return the texture image struct which corresponds to target and level |
| * for the given texture unit. |
| */ |
| struct gl_texture_image * |
| _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit, |
| GLenum target, GLint level) |
| { |
| ASSERT(texUnit); |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return texUnit->Current1D->Image[level]; |
| case GL_PROXY_TEXTURE_1D: |
| return ctx->Texture.Proxy1D->Image[level]; |
| case GL_TEXTURE_2D: |
| return texUnit->Current2D->Image[level]; |
| case GL_PROXY_TEXTURE_2D: |
| return ctx->Texture.Proxy2D->Image[level]; |
| case GL_TEXTURE_3D: |
| return texUnit->Current3D->Image[level]; |
| case GL_PROXY_TEXTURE_3D: |
| return ctx->Texture.Proxy3D->Image[level]; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->Image[level]; |
| else |
| return NULL; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->NegX[level]; |
| else |
| return NULL; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->PosY[level]; |
| else |
| return NULL; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->NegY[level]; |
| else |
| return NULL; |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->PosZ[level]; |
| else |
| return NULL; |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return texUnit->CurrentCubeMap->NegZ[level]; |
| else |
| return NULL; |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) |
| return ctx->Texture.ProxyCubeMap->Image[level]; |
| else |
| return NULL; |
| default: |
| _mesa_problem(ctx, "bad target in _mesa_select_tex_image()"); |
| return NULL; |
| } |
| } |
| |
| |
| |
| /* |
| * 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)); |
| |
| /* |
| * 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; |
| } |
| } |
| } |
| } |
| } |
| |
| return data; |
| } |
| |
| |
| |
| /* |
| * Reset the fields of a gl_texture_image struct to zero. |
| * 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->Format = 0; |
| img->Type = 0; |
| img->IntFormat = 0; |
| img->RedBits = 0; |
| img->GreenBits = 0; |
| img->BlueBits = 0; |
| img->AlphaBits = 0; |
| img->IntensityBits = 0; |
| img->LuminanceBits = 0; |
| img->IndexBits = 0; |
| img->Border = 0; |
| img->Width = 0; |
| img->Height = 0; |
| img->Depth = 0; |
| img->Width2 = 0; |
| img->Height2 = 0; |
| img->Depth2 = 0; |
| img->WidthLog2 = 0; |
| img->HeightLog2 = 0; |
| img->DepthLog2 = 0; |
| img->Data = NULL; |
| img->IsCompressed = 0; |
| img->CompressedSize = 0; |
| img->FetchTexel = NULL; |
| } |
| |
| |
| /* |
| * Initialize basic fields of the gl_texture_image struct. |
| */ |
| static void |
| init_teximage_fields(GLcontext *ctx, |
| struct gl_texture_image *img, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum internalFormat) |
| { |
| ASSERT(img); |
| |
| img->IntFormat = internalFormat; |
| img->Border = border; |
| img->Width = width; |
| img->Height = height; |
| img->Depth = depth; |
| img->WidthLog2 = logbase2(width - 2 * border); |
| if (height == 1) /* 1-D texture */ |
| img->HeightLog2 = 0; |
| else |
| img->HeightLog2 = logbase2(height - 2 * border); |
| if (depth == 1) /* 2-D texture */ |
| img->DepthLog2 = 0; |
| else |
| img->DepthLog2 = logbase2(depth - 2 * border); |
| img->Width2 = 1 << img->WidthLog2; |
| img->Height2 = 1 << img->HeightLog2; |
| img->Depth2 = 1 << img->DepthLog2; |
| img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2); |
| img->IsCompressed = is_compressed_format(ctx, internalFormat); |
| } |
| |
| |
| |
| /* |
| * Test glTexImage[123]D() parameters for errors. |
| * Input: |
| * dimensions - must be 1 or 2 or 3 |
| * Return: GL_TRUE = an error was detected, GL_FALSE = no errors |
| */ |
| static GLboolean |
| texture_error_check( GLcontext *ctx, GLenum target, |
| GLint level, GLint internalFormat, |
| GLenum format, GLenum type, |
| GLuint dimensions, |
| GLint width, GLint height, |
| GLint depth, GLint border ) |
| { |
| GLboolean isProxy; |
| GLint iformat; |
| |
| if (dimensions == 1) { |
| isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_1D); |
| if (target != GL_TEXTURE_1D && !isProxy) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D || |
| target == GL_PROXY_TEXTURE_CUBE_MAP_ARB); |
| if (target != GL_TEXTURE_2D && !isProxy && |
| !(ctx->Extensions.ARB_texture_cube_map && |
| target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 3) { |
| isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_3D); |
| if (target != GL_TEXTURE_3D && !isProxy) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else { |
| _mesa_problem( ctx, "bad dims in texture_error_check" ); |
| return GL_TRUE; |
| } |
| |
| /* Border */ |
| if (border != 0 && border != 1) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(border=%d)", dimensions, border); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Width */ |
| if (width < 2 * border || width > 2 + ctx->Const.MaxTextureSize |
| || logbase2( width - 2 * border ) < 0) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(width=%d)", dimensions, width); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| } |
| return GL_TRUE; |
| } |
| |
| /* Height */ |
| if (dimensions >= 2) { |
| if (height < 2 * border || height > 2 + ctx->Const.MaxTextureSize |
| || logbase2( height - 2 * border ) < 0) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(height=%d)", dimensions, height); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| } |
| return GL_TRUE; |
| } |
| } |
| |
| /* For cube map, width must equal height */ |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (width != height) { |
| if (!isProxy) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexImage2D(width != height)"); |
| } |
| return GL_TRUE; |
| } |
| } |
| |
| /* Depth */ |
| if (dimensions >= 3) { |
| if (depth < 2 * border || depth > 2 + ctx->Const.MaxTextureSize |
| || logbase2( depth - 2 * border ) < 0) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage3D(depth=%d)", depth ); |
| _mesa_error( ctx, GL_INVALID_VALUE, message ); |
| } |
| return GL_TRUE; |
| } |
| } |
| |
| /* Level */ |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(level=%d)", dimensions, level); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| } |
| return GL_TRUE; |
| } |
| |
| /* For cube map, width must equal height */ |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (width != height) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexImage2D(width != height)"); |
| return GL_TRUE; |
| } |
| } |
| |
| iformat = _mesa_base_tex_format( ctx, internalFormat ); |
| if (iformat < 0) { |
| if (!isProxy) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(internalFormat=0x%x)", dimensions, |
| internalFormat); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| } |
| return GL_TRUE; |
| } |
| |
| if (!is_compressed_format(ctx, internalFormat)) { |
| if (!_mesa_is_legal_format_and_type( 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) { |
| char message[100]; |
| sprintf(message, "glTexImage%dD(format or type)", dimensions); |
| _mesa_error(ctx, GL_INVALID_OPERATION, message); |
| } |
| return GL_TRUE; |
| } |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| |
| /* |
| * Test glTexSubImage[123]D() parameters for errors. |
| * Input: |
| * dimensions - must be 1 or 2 or 3 |
| * Return: GL_TRUE = an error was detected, GL_FALSE = no errors |
| */ |
| static GLboolean |
| subtexture_error_check( GLcontext *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint width, GLint height, GLint depth, |
| GLenum format, GLenum type ) |
| { |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_image *destTex; |
| |
| if (dimensions == 1) { |
| if (target != GL_TEXTURE_1D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (ctx->Extensions.ARB_texture_cube_map) { |
| if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB || |
| target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) && |
| target != GL_TEXTURE_2D) { |
| _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_3D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else { |
| _mesa_problem( ctx, "bad dims in texture_error_check" ); |
| return GL_TRUE; |
| } |
| |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| char message[100]; |
| sprintf(message, "glTexSubImage2D(level=%d)", level); |
| _mesa_error(ctx, GL_INVALID_ENUM, message); |
| return GL_TRUE; |
| } |
| |
| if (width < 0) { |
| char message[100]; |
| sprintf(message, "glTexSubImage%dD(width=%d)", dimensions, width); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (height < 0 && dimensions > 1) { |
| char message[100]; |
| sprintf(message, "glTexSubImage%dD(height=%d)", dimensions, height); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (depth < 0 && dimensions > 2) { |
| char message[100]; |
| sprintf(message, "glTexSubImage%dD(depth=%d)", dimensions, depth); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| destTex = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!destTex) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage2D"); |
| return GL_TRUE; |
| } |
| |
| if (xoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage1/2/3D(xoffset)"); |
| return GL_TRUE; |
| } |
| if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage1/2/3D(xoffset+width)"); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| if (yoffset < -((GLint)destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage2/3D(yoffset)"); |
| return GL_TRUE; |
| } |
| if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage2/3D(yoffset+height)"); |
| 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 (!is_compressed_format(ctx, destTex->IntFormat)) { |
| if (!_mesa_is_legal_format_and_type(format, type)) { |
| char message[100]; |
| sprintf(message, "glTexSubImage%dD(format or type)", dimensions); |
| _mesa_error(ctx, GL_INVALID_ENUM, message); |
| return GL_TRUE; |
| } |
| } |
| |
| return GL_FALSE; |
| } |
| |
| |
| /* |
| * Test glCopyTexImage[12]D() parameters for errors. |
| * Input: dimensions - must be 1 or 2 or 3 |
| * Return: GL_TRUE = an error was detected, GL_FALSE = no errors |
| */ |
| static GLboolean |
| copytexture_error_check( GLcontext *ctx, GLuint dimensions, |
| GLenum target, GLint level, GLint internalFormat, |
| GLint width, GLint height, GLint border ) |
| { |
| GLint iformat; |
| |
| if (dimensions == 1) { |
| if (target != GL_TEXTURE_1D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (ctx->Extensions.ARB_texture_cube_map) { |
| if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB || |
| target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) && |
| target != GL_TEXTURE_2D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (target != GL_TEXTURE_2D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Border */ |
| if (border!=0 && border!=1) { |
| char message[100]; |
| sprintf(message, "glCopyTexImage%dD(border)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| /* Width */ |
| if (width < 2 * border || width > 2 + ctx->Const.MaxTextureSize |
| || logbase2( width - 2 * border ) < 0) { |
| char message[100]; |
| sprintf(message, "glCopyTexImage%dD(width=%d)", dimensions, width); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| /* Height */ |
| if (dimensions >= 2) { |
| if (height < 2 * border || height > 2 + ctx->Const.MaxTextureSize |
| || logbase2( height - 2 * border ) < 0) { |
| char message[100]; |
| sprintf(message, "glCopyTexImage%dD(height=%d)", dimensions, height); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| } |
| |
| /* For cube map, width must equal height */ |
| if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB && |
| target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) { |
| if (width != height) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glCopyTexImage2D(width != height)"); |
| return GL_TRUE; |
| } |
| } |
| |
| /* Level */ |
| if (level<0 || level>=ctx->Const.MaxTextureLevels) { |
| char message[100]; |
| sprintf(message, "glCopyTexImage%dD(level=%d)", dimensions, level); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| iformat = _mesa_base_tex_format( ctx, internalFormat ); |
| if (iformat < 0) { |
| char message[100]; |
| sprintf(message, "glCopyTexImage%dD(internalFormat)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| static GLboolean |
| copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions, |
| GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height ) |
| { |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_image *teximage; |
| |
| if (dimensions == 1) { |
| if (target != GL_TEXTURE_1D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| else if (dimensions == 2) { |
| if (ctx->Extensions.ARB_texture_cube_map) { |
| if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB || |
| target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) && |
| target != GL_TEXTURE_2D) { |
| _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_3D) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" ); |
| return GL_TRUE; |
| } |
| } |
| |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(level=%d)", dimensions, level); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| if (width < 0) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(width=%d)", dimensions, width); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (dimensions > 1 && height < 0) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(height=%d)", dimensions, height); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| |
| teximage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| if (!teximage) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(undefined texture)", dimensions); |
| _mesa_error(ctx, GL_INVALID_OPERATION, message); |
| return GL_TRUE; |
| } |
| |
| if (xoffset < -((GLint)teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (xoffset+width > (GLint) (teximage->Width+teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(xoffset+width)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (dimensions > 1) { |
| if (yoffset < -((GLint)teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| /* NOTE: we're adding the border here, not subtracting! */ |
| if (yoffset+height > (GLint) (teximage->Height+teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(yoffset+height)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| } |
| |
| if (dimensions > 2) { |
| if (zoffset < -((GLint)teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(zoffset)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| if (zoffset > (GLint) (teximage->Depth+teximage->Border)) { |
| char message[100]; |
| sprintf(message, "glCopyTexSubImage%dD(zoffset+depth)", dimensions); |
| _mesa_error(ctx, GL_INVALID_VALUE, message); |
| return GL_TRUE; |
| } |
| } |
| |
| /* if we get here, the parameters are OK */ |
| return GL_FALSE; |
| } |
| |
| |
| |
| void |
| _mesa_GetTexImage( GLenum target, GLint level, GLenum format, |
| GLenum type, GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| const struct gl_texture_unit *texUnit; |
| const struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" ); |
| return; |
| } |
| |
| if (_mesa_sizeof_type(type) <= 0) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" ); |
| return; |
| } |
| |
| if (_mesa_components_in_format(format) <= 0 || |
| format == GL_STENCIL_INDEX) { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" ); |
| return; |
| } |
| |
| if (!ctx->Extensions.EXT_paletted_texture && is_index_format(format)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)"); |
| } |
| |
| if (!ctx->Extensions.SGIX_depth_texture && format == GL_DEPTH_COMPONENT) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)"); |
| } |
| |
| /* XXX what if format/type doesn't match texture format/type? */ |
| |
| if (!pixels) |
| return; |
| |
| texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]); |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| if (!texObj || is_proxy_target(target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)"); |
| return; |
| } |
| |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| if (!texImage) { |
| /* invalid mipmap level, not an error */ |
| return; |
| } |
| |
| if (!texImage->Data) { |
| /* no image data, not an error */ |
| return; |
| } |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| if (is_color_format(format) && |
| ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { |
| /* convert texture image to GL_RGBA, GL_FLOAT */ |
| GLint width = texImage->Width; |
| GLint height = texImage->Height; |
| GLint depth = texImage->Depth; |
| GLint img, row; |
| GLfloat *tmpImage, *convImage; |
| tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat)); |
| if (!tmpImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); |
| return; |
| } |
| convImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat)); |
| if (!convImage) { |
| FREE(tmpImage); |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); |
| return; |
| } |
| |
| for (img = 0; img < depth; img++) { |
| GLint convWidth, convHeight; |
| |
| /* convert texture data to GLfloat/GL_RGBA */ |
| for (row = 0; row < height; row++) { |
| GLchan texels[1 << MAX_TEXTURE_LEVELS][4]; |
| GLint col; |
| GLfloat *dst = tmpImage + row * width * 4; |
| for (col = 0; col < width; col++) { |
| (*texImage->FetchTexel)(texImage, col, row, img, |
| texels[col]); |
| } |
| _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst, |
| GL_RGBA, CHAN_TYPE, texels, |
| &_mesa_native_packing, |
| ctx->_ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS, |
| GL_FALSE); |
| } |
| |
| convWidth = width; |
| convHeight = height; |
| |
| /* convolve */ |
| if (target == GL_TEXTURE_1D) { |
| if (ctx->Pixel.Convolution1DEnabled) { |
| _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage); |
| } |
| } |
| else { |
| if (ctx->Pixel.Convolution2DEnabled) { |
| _mesa_convolve_2d_image(ctx, &convWidth, &convHeight, |
| tmpImage, convImage); |
| } |
| else if (ctx->Pixel.Separable2DEnabled) { |
| _mesa_convolve_sep_image(ctx, &convWidth, &convHeight, |
| tmpImage, convImage); |
| } |
| } |
| |
| /* pack convolved image */ |
| for (row = 0; row < convHeight; row++) { |
| const GLfloat *src = convImage + row * convWidth * 4; |
| GLvoid *dest = _mesa_image_address(&ctx->Pack, pixels, |
| convWidth, convHeight, |
| format, type, img, row, 0); |
| _mesa_pack_float_rgba_span(ctx, convWidth, |
| (const GLfloat(*)[4]) src, |
| format, type, dest, &ctx->Pack, |
| ctx->_ImageTransferState & IMAGE_POST_CONVOLUTION_BITS); |
| } |
| } |
| |
| FREE(tmpImage); |
| FREE(convImage); |
| } |
| else { |
| /* no convolution, or non-rgba image */ |
| GLint width = texImage->Width; |
| GLint height = texImage->Height; |
| GLint depth = texImage->Depth; |
| GLint img, row; |
| for (img = 0; img < depth; img++) { |
| for (row = 0; row < height; row++) { |
| /* compute destination address in client memory */ |
| GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels, |
| width, height, format, type, |
| img, row, 0); |
| assert(dest); |
| |
| if (format == GL_COLOR_INDEX) { |
| GLuint indexRow[MAX_WIDTH]; |
| GLint col; |
| for (col = 0; col < width; col++) { |
| (*texImage->FetchTexel)(texImage, col, row, img, |
| (GLvoid *) &indexRow[col]); |
| } |
| _mesa_pack_index_span(ctx, width, type, dest, |
| indexRow, &ctx->Pack, |
| ctx->_ImageTransferState); |
| } |
| else if (format == GL_DEPTH_COMPONENT) { |
| GLfloat depthRow[MAX_WIDTH]; |
| GLint col; |
| for (col = 0; col < width; col++) { |
| (*texImage->FetchTexel)(texImage, col, row, img, |
| (GLvoid *) &depthRow[col]); |
| } |
| _mesa_pack_depth_span(ctx, width, dest, type, |
| depthRow, &ctx->Pack); |
| } |
| else { |
| /* general case: convert row to RGBA format */ |
| GLchan rgba[MAX_WIDTH][4]; |
| GLint col; |
| for (col = 0; col < width; col++) { |
| (*texImage->FetchTexel)(texImage, col, row, img, |
| (GLvoid *) rgba[col]); |
| } |
| _mesa_pack_rgba_span(ctx, width, (const GLchan (*)[4])rgba, |
| format, type, dest, &ctx->Pack, |
| ctx->_ImageTransferState); |
| } /* format */ |
| } /* row */ |
| } /* img */ |
| } /* convolution */ |
| } |
| |
| |
| |
| /* |
| * Called from the API. Note that width includes the border. |
| */ |
| void |
| _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLint border, GLenum format, |
| GLenum type, const GLvoid *pixels ) |
| { |
| GLsizei postConvWidth = width; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (is_color_format(internalFormat)) { |
| _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); |
| } |
| |
| if (target == GL_TEXTURE_1D) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 1, postConvWidth, 1, 1, border)) { |
| return; /* error was recorded */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| texObj->Image[level] = texImage; |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| /* free the old texture data */ |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| init_teximage_fields(ctx, texImage, postConvWidth, 1, 1, |
| border, internalFormat); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| ASSERT(ctx->Driver.TexImage1D); |
| if (pixels) { |
| (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat, |
| width, border, format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| } |
| else { |
| GLubyte *dummy = make_null_texture(width, 1, 1, format); |
| if (dummy) { |
| (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat, |
| width, border, |
| format, GL_UNSIGNED_BYTE, dummy, |
| &_mesa_native_packing, texObj, texImage); |
| FREE(dummy); |
| } |
| } |
| |
| /* one of these has to be non-zero! */ |
| ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || |
| texImage->LuminanceBits || texImage->IntensityBits || |
| texImage->DepthBits); |
| ASSERT(texImage->FetchTexel); |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_1D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| format, type, 1, |
| postConvWidth, 1, 1, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, postConvWidth, 1, 1, |
| border, internalFormat); |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, format, type, |
| postConvWidth, 1, 1, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy1D->Image[level]); |
| } |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" ); |
| return; |
| } |
| } |
| |
| |
| void |
| _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, |
| GLsizei width, GLsizei height, GLint border, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GLsizei postConvWidth = width, postConvHeight = height; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (is_color_format(internalFormat)) { |
| _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, |
| &postConvHeight); |
| } |
| |
| 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_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 2, postConvWidth, postConvHeight, |
| 1, border)) { |
| return; /* error was recorded */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| set_tex_image(texObj, target, level, texImage); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| /* free the old texture data */ |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| init_teximage_fields(ctx, texImage, postConvWidth, postConvHeight, 1, |
| border, internalFormat); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| ASSERT(ctx->Driver.TexImage2D); |
| if (pixels) { |
| (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat, |
| width, height, border, format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| } |
| else { |
| GLubyte *dummy = make_null_texture(width, height, 1, format); |
| if (dummy) { |
| (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat, |
| width, height, border, |
| format, GL_UNSIGNED_BYTE, dummy, |
| &_mesa_native_packing, texObj, texImage); |
| FREE(dummy); |
| } |
| } |
| |
| /* one of these has to be non-zero! */ |
| ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || |
| texImage->LuminanceBits || texImage->IntensityBits || |
| texImage->DepthBits); |
| ASSERT(texImage->FetchTexel); |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_2D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| format, type, 2, |
| postConvWidth, postConvHeight, 1, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, postConvWidth, postConvHeight, 1, |
| border, internalFormat); |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, format, type, |
| postConvWidth, postConvHeight, 1, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy2D->Image[level]); |
| } |
| } |
| } |
| 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 |
| _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 (target == GL_TEXTURE_3D) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| format, type, 3, width, height, depth, border)) { |
| return; /* error was recorded */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| texObj->Image[level] = texImage; |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| init_teximage_fields(ctx, texImage, width, height, depth, border, |
| internalFormat); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| ASSERT(ctx->Driver.TexImage3D); |
| if (pixels) { |
| (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat, |
| width, height, depth, border, |
| format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| } |
| else { |
| GLubyte *dummy = make_null_texture(width, height, depth, format); |
| if (dummy) { |
| (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat, |
| width, height, depth, border, |
| format, GL_UNSIGNED_BYTE, dummy, |
| &_mesa_native_packing, texObj, texImage); |
| FREE(dummy); |
| } |
| } |
| |
| /* one of these has to be non-zero! */ |
| ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || |
| texImage->LuminanceBits || texImage->IntensityBits || |
| texImage->DepthBits); |
| ASSERT(texImage->FetchTexel); |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_3D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| format, type, 3, width, height, depth, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, width, height, 1, |
| border, internalFormat); |
| ASSERT(ctx->Driver.TestProxyTexImage); |
| error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level, |
| internalFormat, format, type, |
| width, height, depth, border); |
| } |
| if (error) { |
| /* if error, clear all proxy texture image parameters */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy3D->Image[level]); |
| } |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" ); |
| return; |
| } |
| } |
| |
| |
| void |
| _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLint border, GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height, |
| depth, border, format, type, pixels); |
| } |
| |
| |
| |
| void |
| _mesa_TexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLsizei width, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GLsizei postConvWidth = width; |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| /* XXX should test internal format */ |
| if (is_color_format(format)) { |
| _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); |
| } |
| |
| if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0, |
| postConvWidth, 1, 1, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || !pixels) |
| return; /* no-op, not an error */ |
| |
| ASSERT(ctx->Driver.TexSubImage1D); |
| (*ctx->Driver.TexSubImage1D)(ctx, target, level, xoffset, width, |
| format, type, pixels, &ctx->Unpack, |
| texObj, texImage); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| void |
| _mesa_TexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLsizei width, GLsizei height, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GLsizei postConvWidth = width, postConvHeight = height; |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| /* XXX should test internal format */ |
| if (is_color_format(format)) { |
| _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, |
| &postConvHeight); |
| } |
| |
| if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0, |
| postConvWidth, postConvHeight, 1, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || height == 0 || !pixels) |
| return; /* no-op, not an error */ |
| |
| ASSERT(ctx->Driver.TexSubImage2D); |
| (*ctx->Driver.TexSubImage2D)(ctx, target, level, xoffset, yoffset, |
| width, height, format, type, pixels, |
| &ctx->Unpack, texObj, texImage); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_TexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid *pixels ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, type)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || height == 0 || height == 0 || !pixels) |
| return; /* no-op, not an error */ |
| |
| ASSERT(ctx->Driver.TexSubImage3D); |
| (*ctx->Driver.TexSubImage3D)(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, |
| &ctx->Unpack, texObj, texImage ); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_CopyTexImage1D( GLenum target, GLint level, |
| GLenum internalFormat, |
| GLint x, GLint y, |
| GLsizei width, GLint border ) |
| { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GLsizei postConvWidth = width; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| if (is_color_format(internalFormat)) { |
| _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); |
| } |
| |
| if (copytexture_error_check(ctx, 1, target, level, internalFormat, |
| postConvWidth, 1, border)) |
| return; |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| set_tex_image(texObj, target, level, texImage); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| /* free the old texture data */ |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| init_teximage_fields(ctx, texImage, postConvWidth, 1, 1, |
| border, internalFormat); |
| |
| |
| ASSERT(ctx->Driver.CopyTexImage1D); |
| (*ctx->Driver.CopyTexImage1D)(ctx, target, level, internalFormat, |
| x, y, width, border); |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat, |
| GLint x, GLint y, GLsizei width, GLsizei height, |
| GLint border ) |
| { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GLsizei postConvWidth = width, postConvHeight = height; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| if (is_color_format(internalFormat)) { |
| _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, |
| &postConvHeight); |
| } |
| |
| if (copytexture_error_check(ctx, 2, target, level, internalFormat, |
| postConvWidth, postConvHeight, border)) |
| return; |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| set_tex_image(texObj, target, level, texImage); |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| /* free the old texture data */ |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| |
| clear_teximage_fields(texImage); /* not really needed, but helpful */ |
| init_teximage_fields(ctx, texImage, postConvWidth, postConvHeight, 1, |
| border, internalFormat); |
| |
| ASSERT(ctx->Driver.CopyTexImage2D); |
| (*ctx->Driver.CopyTexImage2D)(ctx, target, level, internalFormat, |
| x, y, width, height, border); |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_CopyTexSubImage1D( GLenum target, GLint level, |
| GLint xoffset, GLint x, GLint y, GLsizei width ) |
| { |
| GLsizei postConvWidth = width; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| /* XXX should test internal format */ |
| _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL); |
| |
| if (copytexsubimage_error_check(ctx, 1, target, level, |
| xoffset, 0, 0, postConvWidth, 1)) |
| return; |
| |
| ASSERT(ctx->Driver.CopyTexSubImage1D); |
| (*ctx->Driver.CopyTexSubImage1D)(ctx, target, level, xoffset, x, y, width); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_CopyTexSubImage2D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| GLsizei postConvWidth = width, postConvHeight = height; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| /* XXX should test internal format */ |
| _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight); |
| |
| if (copytexsubimage_error_check(ctx, 2, target, level, xoffset, yoffset, 0, |
| postConvWidth, postConvHeight)) |
| return; |
| |
| ASSERT(ctx->Driver.CopyTexSubImage2D); |
| (*ctx->Driver.CopyTexSubImage2D)(ctx, target, level, |
| xoffset, yoffset, x, y, width, height); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _mesa_CopyTexSubImage3D( GLenum target, GLint level, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLint x, GLint y, GLsizei width, GLsizei height ) |
| { |
| GLsizei postConvWidth = width, postConvHeight = height; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->NewState & _NEW_PIXEL) |
| _mesa_update_state(ctx); |
| |
| /* XXX should test internal format */ |
| _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight); |
| |
| if (copytexsubimage_error_check(ctx, 3, target, level, xoffset, yoffset, |
| zoffset, postConvWidth, postConvHeight)) |
| return; |
| |
| ASSERT(ctx->Driver.CopyTexSubImage3D); |
| (*ctx->Driver.CopyTexSubImage3D)(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| x, y, width, height); |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| |
| void |
| _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); |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA_ARB: |
| case GL_COMPRESSED_LUMINANCE_ARB: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: |
| case GL_COMPRESSED_INTENSITY_ARB: |
| case GL_COMPRESSED_RGB_ARB: |
| case GL_COMPRESSED_RGBA_ARB: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB"); |
| return; |
| default: |
| /* silence compiler warning */ |
| ; |
| } |
| |
| if (target == GL_TEXTURE_1D) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 1, width, 1, 1, border)) { |
| return; /* error in texture image was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| texObj->Image[level] = texImage; |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1DARB"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| |
| init_teximage_fields(ctx, texImage, width, 1, 1, border, internalFormat); |
| |
| if (ctx->Extensions.ARB_texture_compression) { |
| ASSERT(ctx->Driver.CompressedTexImage1D); |
| (*ctx->Driver.CompressedTexImage1D)(ctx, target, level, |
| internalFormat, width, border, |
| imageSize, data, |
| texObj, texImage); |
| ASSERT(texImage->CompressedSize > 0); /* sanity */ |
| } |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_1D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 1, width, 1, 1, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, width, 1, 1, |
| border, internalFormat); |
| 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 */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy1D->Image[level]); |
| } |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB(target)" ); |
| return; |
| } |
| } |
| |
| |
| void |
| _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); |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA_ARB: |
| case GL_COMPRESSED_LUMINANCE_ARB: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: |
| case GL_COMPRESSED_INTENSITY_ARB: |
| case GL_COMPRESSED_RGB_ARB: |
| case GL_COMPRESSED_RGBA_ARB: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB"); |
| return; |
| default: |
| /* silence compiler warning */ |
| ; |
| } |
| |
| 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)) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 1, width, height, 1, border)) { |
| return; /* error in texture image was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| texObj->Image[level] = texImage; |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| |
| init_teximage_fields(ctx, texImage, width, height, 1, border, |
| internalFormat); |
| |
| if (ctx->Extensions.ARB_texture_compression) { |
| ASSERT(ctx->Driver.CompressedTexImage2D); |
| (*ctx->Driver.CompressedTexImage2D)(ctx, target, level, |
| internalFormat, width, height, |
| border, imageSize, data, |
| texObj, texImage); |
| ASSERT(texImage->CompressedSize > 0); /* sanity */ |
| } |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_2D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 2, width, height, 1, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, width, height, 1, |
| border, internalFormat); |
| 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 */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy2D->Image[level]); |
| } |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB(target)" ); |
| return; |
| } |
| } |
| |
| |
| void |
| _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); |
| |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA_ARB: |
| case GL_COMPRESSED_LUMINANCE_ARB: |
| case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: |
| case GL_COMPRESSED_INTENSITY_ARB: |
| case GL_COMPRESSED_RGB_ARB: |
| case GL_COMPRESSED_RGBA_ARB: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB"); |
| return; |
| default: |
| /* silence compiler warning */ |
| ; |
| } |
| |
| if (target == GL_TEXTURE_3D) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| |
| if (texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 1, width, height, depth, border)) { |
| return; /* error in texture image was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| texImage = _mesa_alloc_texture_image(); |
| texObj->Image[level] = texImage; |
| if (!texImage) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3DARB"); |
| return; |
| } |
| } |
| else if (texImage->Data) { |
| FREE(texImage->Data); |
| texImage->Data = NULL; |
| } |
| |
| init_teximage_fields(ctx, texImage, width, height, depth, border, |
| internalFormat); |
| |
| if (ctx->Extensions.ARB_texture_compression) { |
| ASSERT(ctx->Driver.CompressedTexImage3D); |
| (*ctx->Driver.CompressedTexImage3D)(ctx, target, level, |
| internalFormat, |
| width, height, depth, |
| border, imageSize, data, |
| texObj, texImage); |
| ASSERT(texImage->CompressedSize > 0); /* sanity */ |
| } |
| |
| /* state update */ |
| texObj->Complete = GL_FALSE; |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| else if (target == GL_PROXY_TEXTURE_3D) { |
| /* Proxy texture: check for errors and update proxy state */ |
| GLenum error = texture_error_check(ctx, target, level, internalFormat, |
| GL_NONE, GL_NONE, 1, width, height, depth, border); |
| if (!error) { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_image *texImage; |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| init_teximage_fields(ctx, texImage, width, height, depth, |
| border, internalFormat); |
| 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 */ |
| if (level >= 0 && level < ctx->Const.MaxTextureLevels) { |
| clear_teximage_fields(ctx->Texture.Proxy3D->Image[level]); |
| } |
| } |
| } |
| else { |
| _mesa_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB(target)" ); |
| return; |
| } |
| } |
| |
| |
| void |
| _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset, |
| GLsizei width, GLenum format, |
| GLsizei imageSize, const GLvoid *data) |
| { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0, |
| width, 1, 1, format, GL_NONE)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || !data) |
| return; /* no-op, not an error */ |
| |
| if (ctx->Driver.CompressedTexSubImage1D) { |
| (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level, |
| xoffset, width, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| void |
| _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset, |
| GLint yoffset, GLsizei width, GLsizei height, |
| GLenum format, GLsizei imageSize, |
| const GLvoid *data) |
| { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0, |
| width, height, 1, format, GL_NONE)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || height == 0 || !data) |
| return; /* no-op, not an error */ |
| |
| if (ctx->Driver.CompressedTexSubImage2D) { |
| (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level, |
| xoffset, yoffset, width, height, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| void |
| _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) |
| { |
| struct gl_texture_unit *texUnit; |
| struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset, |
| width, height, depth, format, GL_NONE)) { |
| return; /* error was detected */ |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| assert(texImage); |
| |
| if (width == 0 || height == 0 || depth == 0 || !data) |
| return; /* no-op, not an error */ |
| |
| if (ctx->Driver.CompressedTexSubImage3D) { |
| (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, imageSize, data, |
| texObj, texImage); |
| } |
| ctx->NewState |= _NEW_TEXTURE; |
| } |
| |
| |
| void |
| _mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img) |
| { |
| const struct gl_texture_unit *texUnit; |
| const struct gl_texture_object *texObj; |
| struct gl_texture_image *texImage; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)" ); |
| return; |
| } |
| |
| if (is_proxy_target(target)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)"); |
| return; |
| } |
| |
| texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| texImage = _mesa_select_tex_image(ctx, texUnit, target, level); |
| |
| if (!texImage) { |
| /* invalid mipmap level */ |
| _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)"); |
| return; |
| } |
| |
| if (!texImage->IsCompressed) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glGetCompressedTexImageARB"); |
| return; |
| } |
| |
| if (!img) |
| return; |
| |
| if (ctx->Extensions.ARB_texture_compression) { |
| ASSERT(ctx->Driver.GetCompressedTexImage); |
| (*ctx->Driver.GetCompressedTexImage)(ctx, target, level, img, texObj, |
| texImage); |
| } |
| } |