/* * Mesa 3-D graphics library * Version: 7.5 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * Copyright (c) 2008-2009 VMware, Inc. * * 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. */ /* * Authors: * Brian Paul */ /** * The GL texture image functions in teximage.c basically just do * error checking and data structure allocation. They in turn call * device driver functions which actually copy/convert/store the user's * texture image data. * * However, most device drivers will be able to use the fallback functions * in this file. That is, most drivers will have the following bit of * code: * ctx->Driver.TexImage1D = _mesa_store_teximage1d; * ctx->Driver.TexImage2D = _mesa_store_teximage2d; * ctx->Driver.TexImage3D = _mesa_store_teximage3d; * etc... * * Texture image processing is actually kind of complicated. We have to do: * Format/type conversions * pixel unpacking * pixel transfer (scale, bais, lookup, etc) * * These functions can handle most everything, including processing full * images and sub-images. */ #include "glheader.h" #include "bufferobj.h" #include "colormac.h" #include "image.h" #include "macros.h" #include "mipmap.h" #include "mfeatures.h" #include "mtypes.h" #include "pack.h" #include "pbo.h" #include "imports.h" #include "pack.h" #include "texcompress.h" #include "texcompress_fxt1.h" #include "texcompress_rgtc.h" #include "texcompress_s3tc.h" #include "teximage.h" #include "texstore.h" #include "enums.h" enum { ZERO = 4, ONE = 5 }; /** * Texture image storage function. */ typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS); /** * Return GL_TRUE if the given image format is one that be converted * to another format by swizzling. */ static GLboolean can_swizzle(GLenum logicalBaseFormat) { switch (logicalBaseFormat) { case GL_RGBA: case GL_RGB: case GL_LUMINANCE_ALPHA: case GL_INTENSITY: case GL_ALPHA: case GL_LUMINANCE: case GL_RED: case GL_GREEN: case GL_BLUE: case GL_BGR: case GL_BGRA: case GL_ABGR_EXT: case GL_RG: return GL_TRUE; default: return GL_FALSE; } } enum { IDX_LUMINANCE = 0, IDX_ALPHA, IDX_INTENSITY, IDX_LUMINANCE_ALPHA, IDX_RGB, IDX_RGBA, IDX_RED, IDX_GREEN, IDX_BLUE, IDX_BGR, IDX_BGRA, IDX_ABGR, IDX_RG, MAX_IDX }; #define MAP1(x) MAP4(x, ZERO, ZERO, ZERO) #define MAP2(x,y) MAP4(x, y, ZERO, ZERO) #define MAP3(x,y,z) MAP4(x, y, z, ZERO) #define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE } static const struct { GLubyte format_idx; GLubyte to_rgba[6]; GLubyte from_rgba[6]; } mappings[MAX_IDX] = { { IDX_LUMINANCE, MAP4(0,0,0,ONE), MAP1(0) }, { IDX_ALPHA, MAP4(ZERO, ZERO, ZERO, 0), MAP1(3) }, { IDX_INTENSITY, MAP4(0, 0, 0, 0), MAP1(0), }, { IDX_LUMINANCE_ALPHA, MAP4(0,0,0,1), MAP2(0,3) }, { IDX_RGB, MAP4(0,1,2,ONE), MAP3(0,1,2) }, { IDX_RGBA, MAP4(0,1,2,3), MAP4(0,1,2,3), }, { IDX_RED, MAP4(0, ZERO, ZERO, ONE), MAP1(0), }, { IDX_GREEN, MAP4(ZERO, 0, ZERO, ONE), MAP1(1), }, { IDX_BLUE, MAP4(ZERO, ZERO, 0, ONE), MAP1(2), }, { IDX_BGR, MAP4(2,1,0,ONE), MAP3(2,1,0) }, { IDX_BGRA, MAP4(2,1,0,3), MAP4(2,1,0,3) }, { IDX_ABGR, MAP4(3,2,1,0), MAP4(3,2,1,0) }, { IDX_RG, MAP4(0, 1, ZERO, ONE), MAP2(0, 1) }, }; /** * Convert a GL image format enum to an IDX_* value (see above). */ static int get_map_idx(GLenum value) { switch (value) { case GL_LUMINANCE: return IDX_LUMINANCE; case GL_ALPHA: return IDX_ALPHA; case GL_INTENSITY: return IDX_INTENSITY; case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA; case GL_RGB: return IDX_RGB; case GL_RGBA: return IDX_RGBA; case GL_RED: return IDX_RED; case GL_GREEN: return IDX_GREEN; case GL_BLUE: return IDX_BLUE; case GL_BGR: return IDX_BGR; case GL_BGRA: return IDX_BGRA; case GL_ABGR_EXT: return IDX_ABGR; case GL_RG: return IDX_RG; default: _mesa_problem(NULL, "Unexpected inFormat"); return 0; } } /** * When promoting texture formats (see below) we need to compute the * mapping of dest components back to source components. * This function does that. * \param inFormat the incoming format of the texture * \param outFormat the final texture format * \return map[6] a full 6-component map */ static void compute_component_mapping(GLenum inFormat, GLenum outFormat, GLubyte *map) { const int inFmt = get_map_idx(inFormat); const int outFmt = get_map_idx(outFormat); const GLubyte *in2rgba = mappings[inFmt].to_rgba; const GLubyte *rgba2out = mappings[outFmt].from_rgba; int i; for (i = 0; i < 4; i++) map[i] = in2rgba[rgba2out[i]]; map[ZERO] = ZERO; map[ONE] = ONE; #if 0 printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n", inFormat, _mesa_lookup_enum_by_nr(inFormat), outFormat, _mesa_lookup_enum_by_nr(outFormat), map[0], map[1], map[2], map[3], map[4], map[5]); #endif } /** * Make a temporary (color) texture image with GLfloat components. * Apply all needed pixel unpacking and pixel transfer operations. * Note that there are both logicalBaseFormat and textureBaseFormat parameters. * Suppose the user specifies GL_LUMINANCE as the internal texture format * but the graphics hardware doesn't support luminance textures. So, we might * use an RGB hardware format instead. * If logicalBaseFormat != textureBaseFormat we have some extra work to do. * * \param ctx the rendering context * \param dims image dimensions: 1, 2 or 3 * \param logicalBaseFormat basic texture derived from the user's * internal texture format value * \param textureBaseFormat the actual basic format of the texture * \param srcWidth source image width * \param srcHeight source image height * \param srcDepth source image depth * \param srcFormat source image format * \param srcType source image type * \param srcAddr source image address * \param srcPacking source image pixel packing * \return resulting image with format = textureBaseFormat and type = GLfloat. */ GLfloat * _mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims, GLenum logicalBaseFormat, GLenum textureBaseFormat, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr, const struct gl_pixelstore_attrib *srcPacking, GLbitfield transferOps) { GLfloat *tempImage; const GLint components = _mesa_components_in_format(logicalBaseFormat); const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLfloat *dst; GLint img, row; ASSERT(dims >= 1 && dims <= 3); ASSERT(logicalBaseFormat == GL_RGBA || logicalBaseFormat == GL_RGB || logicalBaseFormat == GL_RG || logicalBaseFormat == GL_RED || logicalBaseFormat == GL_LUMINANCE_ALPHA || logicalBaseFormat == GL_LUMINANCE || logicalBaseFormat == GL_ALPHA || logicalBaseFormat == GL_INTENSITY || logicalBaseFormat == GL_COLOR_INDEX || logicalBaseFormat == GL_DEPTH_COMPONENT); ASSERT(textureBaseFormat == GL_RGBA || textureBaseFormat == GL_RGB || textureBaseFormat == GL_RG || textureBaseFormat == GL_RED || textureBaseFormat == GL_LUMINANCE_ALPHA || textureBaseFormat == GL_LUMINANCE || textureBaseFormat == GL_ALPHA || textureBaseFormat == GL_INTENSITY || textureBaseFormat == GL_COLOR_INDEX || textureBaseFormat == GL_DEPTH_COMPONENT); tempImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth * components * sizeof(GLfloat)); if (!tempImage) return NULL; dst = tempImage; for (img = 0; img < srcDepth; img++) { const GLubyte *src = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat, dst, srcFormat, srcType, src, srcPacking, transferOps); dst += srcWidth * components; src += srcStride; } } if (logicalBaseFormat != textureBaseFormat) { /* more work */ GLint texComponents = _mesa_components_in_format(textureBaseFormat); GLint logComponents = _mesa_components_in_format(logicalBaseFormat); GLfloat *newImage; GLint i, n; GLubyte map[6]; /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || textureBaseFormat == GL_LUMINANCE_ALPHA); /* The actual texture format should have at least as many components * as the logical texture format. */ ASSERT(texComponents >= logComponents); newImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth * texComponents * sizeof(GLfloat)); if (!newImage) { free(tempImage); return NULL; } compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); n = srcWidth * srcHeight * srcDepth; for (i = 0; i < n; i++) { GLint k; for (k = 0; k < texComponents; k++) { GLint j = map[k]; if (j == ZERO) newImage[i * texComponents + k] = 0.0F; else if (j == ONE) newImage[i * texComponents + k] = 1.0F; else newImage[i * texComponents + k] = tempImage[i * logComponents + j]; } } free(tempImage); tempImage = newImage; } return tempImage; } /** * Make temporary image with uint pixel values. Used for unsigned * integer-valued textures. */ static GLuint * make_temp_uint_image(struct gl_context *ctx, GLuint dims, GLenum logicalBaseFormat, GLenum textureBaseFormat, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr, const struct gl_pixelstore_attrib *srcPacking) { GLuint *tempImage; const GLint components = _mesa_components_in_format(logicalBaseFormat); const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLuint *dst; GLint img, row; ASSERT(dims >= 1 && dims <= 3); ASSERT(logicalBaseFormat == GL_RGBA || logicalBaseFormat == GL_RGB || logicalBaseFormat == GL_RG || logicalBaseFormat == GL_RED || logicalBaseFormat == GL_LUMINANCE_ALPHA || logicalBaseFormat == GL_LUMINANCE || logicalBaseFormat == GL_INTENSITY || logicalBaseFormat == GL_ALPHA); ASSERT(textureBaseFormat == GL_RGBA || textureBaseFormat == GL_RGB || textureBaseFormat == GL_RG || textureBaseFormat == GL_RED || textureBaseFormat == GL_LUMINANCE_ALPHA || textureBaseFormat == GL_LUMINANCE || textureBaseFormat == GL_ALPHA); tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth * components * sizeof(GLuint)); if (!tempImage) return NULL; dst = tempImage; for (img = 0; img < srcDepth; img++) { const GLubyte *src = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat, dst, srcFormat, srcType, src, srcPacking); dst += srcWidth * components; src += srcStride; } } if (logicalBaseFormat != textureBaseFormat) { /* more work */ GLint texComponents = _mesa_components_in_format(textureBaseFormat); GLint logComponents = _mesa_components_in_format(logicalBaseFormat); GLuint *newImage; GLint i, n; GLubyte map[6]; /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || textureBaseFormat == GL_LUMINANCE_ALPHA); /* The actual texture format should have at least as many components * as the logical texture format. */ ASSERT(texComponents >= logComponents); newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth * texComponents * sizeof(GLuint)); if (!newImage) { free(tempImage); return NULL; } compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); n = srcWidth * srcHeight * srcDepth; for (i = 0; i < n; i++) { GLint k; for (k = 0; k < texComponents; k++) { GLint j = map[k]; if (j == ZERO) newImage[i * texComponents + k] = 0.0F; else if (j == ONE) newImage[i * texComponents + k] = 1.0F; else newImage[i * texComponents + k] = tempImage[i * logComponents + j]; } } free(tempImage); tempImage = newImage; } return tempImage; } /** * Make a temporary (color) texture image with GLchan components. * Apply all needed pixel unpacking and pixel transfer operations. * Note that there are both logicalBaseFormat and textureBaseFormat parameters. * Suppose the user specifies GL_LUMINANCE as the internal texture format * but the graphics hardware doesn't support luminance textures. So, we might * use an RGB hardware format instead. * If logicalBaseFormat != textureBaseFormat we have some extra work to do. * * \param ctx the rendering context * \param dims image dimensions: 1, 2 or 3 * \param logicalBaseFormat basic texture derived from the user's * internal texture format value * \param textureBaseFormat the actual basic format of the texture * \param srcWidth source image width * \param srcHeight source image height * \param srcDepth source image depth * \param srcFormat source image format * \param srcType source image type * \param srcAddr source image address * \param srcPacking source image pixel packing * \return resulting image with format = textureBaseFormat and type = GLchan. */ GLchan * _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims, GLenum logicalBaseFormat, GLenum textureBaseFormat, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr, const struct gl_pixelstore_attrib *srcPacking) { GLuint transferOps = ctx->_ImageTransferState; const GLint components = _mesa_components_in_format(logicalBaseFormat); GLint img, row; GLchan *tempImage, *dst; ASSERT(dims >= 1 && dims <= 3); ASSERT(logicalBaseFormat == GL_RGBA || logicalBaseFormat == GL_RGB || logicalBaseFormat == GL_RG || logicalBaseFormat == GL_RED || logicalBaseFormat == GL_LUMINANCE_ALPHA || logicalBaseFormat == GL_LUMINANCE || logicalBaseFormat == GL_ALPHA || logicalBaseFormat == GL_INTENSITY); ASSERT(textureBaseFormat == GL_RGBA || textureBaseFormat == GL_RGB || textureBaseFormat == GL_RG || textureBaseFormat == GL_RED || textureBaseFormat == GL_LUMINANCE_ALPHA || textureBaseFormat == GL_LUMINANCE || textureBaseFormat == GL_ALPHA || textureBaseFormat == GL_INTENSITY); /* unpack and transfer the source image */ tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth * components * sizeof(GLchan)); if (!tempImage) { return NULL; } dst = tempImage; for (img = 0; img < srcDepth; img++) { const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); const GLubyte *src = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst, srcFormat, srcType, src, srcPacking, transferOps); dst += srcWidth * components; src += srcStride; } } if (logicalBaseFormat != textureBaseFormat) { /* one more conversion step */ GLint texComponents = _mesa_components_in_format(textureBaseFormat); GLint logComponents = _mesa_components_in_format(logicalBaseFormat); GLchan *newImage; GLint i, n; GLubyte map[6]; /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || textureBaseFormat == GL_LUMINANCE_ALPHA); /* The actual texture format should have at least as many components * as the logical texture format. */ ASSERT(texComponents >= logComponents); newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth * texComponents * sizeof(GLchan)); if (!newImage) { free(tempImage); return NULL; } compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); n = srcWidth * srcHeight * srcDepth; for (i = 0; i < n; i++) { GLint k; for (k = 0; k < texComponents; k++) { GLint j = map[k]; if (j == ZERO) newImage[i * texComponents + k] = 0; else if (j == ONE) newImage[i * texComponents + k] = CHAN_MAX; else newImage[i * texComponents + k] = tempImage[i * logComponents + j]; } } free(tempImage); tempImage = newImage; } return tempImage; } /** * Copy GLubyte pixels from to with swizzling. * \param dst destination pixels * \param dstComponents number of color components in destination pixels * \param src source pixels * \param srcComponents number of color components in source pixels * \param map the swizzle mapping. map[X] says where to find the X component * in the source image's pixels. For example, if the source image * is GL_BGRA and X = red, map[0] yields 2. * \param count number of pixels to copy/swizzle. */ static void swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src, GLuint srcComponents, const GLubyte *map, GLuint count) { #define SWZ_CPY(dst, src, count, dstComps, srcComps) \ do { \ GLuint i; \ for (i = 0; i < count; i++) { \ GLuint j; \ if (srcComps == 4) { \ COPY_4UBV(tmp, src); \ } \ else { \ for (j = 0; j < srcComps; j++) { \ tmp[j] = src[j]; \ } \ } \ src += srcComps; \ for (j = 0; j < dstComps; j++) { \ dst[j] = tmp[map[j]]; \ } \ dst += dstComps; \ } \ } while (0) GLubyte tmp[6]; tmp[ZERO] = 0x0; tmp[ONE] = 0xff; ASSERT(srcComponents <= 4); ASSERT(dstComponents <= 4); switch (dstComponents) { case 4: switch (srcComponents) { case 4: SWZ_CPY(dst, src, count, 4, 4); break; case 3: SWZ_CPY(dst, src, count, 4, 3); break; case 2: SWZ_CPY(dst, src, count, 4, 2); break; case 1: SWZ_CPY(dst, src, count, 4, 1); break; default: ; } break; case 3: switch (srcComponents) { case 4: SWZ_CPY(dst, src, count, 3, 4); break; case 3: SWZ_CPY(dst, src, count, 3, 3); break; case 2: SWZ_CPY(dst, src, count, 3, 2); break; case 1: SWZ_CPY(dst, src, count, 3, 1); break; default: ; } break; case 2: switch (srcComponents) { case 4: SWZ_CPY(dst, src, count, 2, 4); break; case 3: SWZ_CPY(dst, src, count, 2, 3); break; case 2: SWZ_CPY(dst, src, count, 2, 2); break; case 1: SWZ_CPY(dst, src, count, 2, 1); break; default: ; } break; case 1: switch (srcComponents) { case 4: SWZ_CPY(dst, src, count, 1, 4); break; case 3: SWZ_CPY(dst, src, count, 1, 3); break; case 2: SWZ_CPY(dst, src, count, 1, 2); break; case 1: SWZ_CPY(dst, src, count, 1, 1); break; default: ; } break; default: ; } #undef SWZ_CPY } static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE }; static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE }; /** * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a * mapping array depending on endianness. */ static const GLubyte * type_mapping( GLenum srcType ) { switch (srcType) { case GL_BYTE: case GL_UNSIGNED_BYTE: return map_identity; case GL_UNSIGNED_INT_8_8_8_8: return _mesa_little_endian() ? map_3210 : map_identity; case GL_UNSIGNED_INT_8_8_8_8_REV: return _mesa_little_endian() ? map_identity : map_3210; default: return NULL; } } /** * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a * mapping array depending on pixelstore byte swapping state. */ static const GLubyte * byteswap_mapping( GLboolean swapBytes, GLenum srcType ) { if (!swapBytes) return map_identity; switch (srcType) { case GL_BYTE: case GL_UNSIGNED_BYTE: return map_identity; case GL_UNSIGNED_INT_8_8_8_8: case GL_UNSIGNED_INT_8_8_8_8_REV: return map_3210; default: return NULL; } } /** * Transfer a GLubyte texture image with component swizzling. */ static void _mesa_swizzle_ubyte_image(struct gl_context *ctx, GLuint dimensions, GLenum srcFormat, GLenum srcType, GLenum baseInternalFormat, const GLubyte *rgba2dst, GLuint dstComponents, GLvoid *dstAddr, GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, GLint dstRowStride, const GLuint *dstImageOffsets, GLint srcWidth, GLint srcHeight, GLint srcDepth, const GLvoid *srcAddr, const struct gl_pixelstore_attrib *srcPacking ) { GLint srcComponents = _mesa_components_in_format(srcFormat); const GLubyte *srctype2ubyte, *swap; GLubyte map[4], src2base[6], base2rgba[6]; GLint i; const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, GL_UNSIGNED_BYTE); const GLint srcImageStride = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat, GL_UNSIGNED_BYTE); const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, GL_UNSIGNED_BYTE, 0, 0, 0); (void) ctx; /* Translate from src->baseInternal->GL_RGBA->dst. This will * correctly deal with RGBA->RGB->RGBA conversions where the final * A value must be 0xff regardless of the incoming alpha values. */ compute_component_mapping(srcFormat, baseInternalFormat, src2base); compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba); swap = byteswap_mapping(srcPacking->SwapBytes, srcType); srctype2ubyte = type_mapping(srcType); for (i = 0; i < 4; i++) map[i] = srctype2ubyte[swap[src2base[base2rgba[rgba2dst[i]]]]]; /* printf("map %d %d %d %d\n", map[0], map[1], map[2], map[3]); */ if (srcComponents == dstComponents && srcRowStride == dstRowStride && srcRowStride == srcWidth * srcComponents && dimensions < 3) { /* 1 and 2D images only */ GLubyte *dstImage = (GLubyte *) dstAddr + dstYoffset * dstRowStride + dstXoffset * dstComponents; swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map, srcWidth * srcHeight); } else { GLint img, row; for (img = 0; img < srcDepth; img++) { const GLubyte *srcRow = srcImage; GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * dstComponents + dstYoffset * dstRowStride + dstXoffset * dstComponents; for (row = 0; row < srcHeight; row++) { swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth); dstRow += dstRowStride; srcRow += srcRowStride; } srcImage += srcImageStride; } } } /** * Teximage storage routine for when a simple memcpy will do. * No pixel transfer operations or special texel encodings allowed. * 1D, 2D and 3D images supported. */ static void memcpy_texture(struct gl_context *ctx, GLuint dimensions, gl_format dstFormat, GLvoid *dstAddr, GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, GLint dstRowStride, const GLuint *dstImageOffsets, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr, const struct gl_pixelstore_attrib *srcPacking) { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); const GLint srcImageStride = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat, srcType); const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLint bytesPerRow = srcWidth * texelBytes; #if 0 /* XXX update/re-enable for dstImageOffsets array */ const GLint bytesPerImage = srcHeight * bytesPerRow; const GLint bytesPerTexture = srcDepth * bytesPerImage; GLubyte *dstImage = (GLubyte *) dstAddr + dstZoffset * dstImageStride + dstYoffset * dstRowStride + dstXoffset * texelBytes; if (dstRowStride == srcRowStride && dstRowStride == bytesPerRow && ((dstImageStride == srcImageStride && dstImageStride == bytesPerImage) || (srcDepth == 1))) { /* one big memcpy */ ctx->Driver.TextureMemCpy(dstImage, srcImage, bytesPerTexture); } else { GLint img, row; for (img = 0; img < srcDepth; img++) { const GLubyte *srcRow = srcImage; GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow); dstRow += dstRowStride; srcRow += srcRowStride; } srcImage += srcImageStride; dstImage += dstImageStride; } } #endif GLint img, row; for (img = 0; img < srcDepth; img++) { const GLubyte *srcRow = srcImage; GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow); dstRow += dstRowStride; srcRow += srcRowStride; } srcImage += srcImageStride; } } /** * Store a 32-bit integer depth component texture image. */ static GLboolean _mesa_texstore_z32(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffffff; const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); (void) dims; ASSERT(dstFormat == MESA_FORMAT_Z32); ASSERT(texelBytes == sizeof(GLuint)); if (ctx->Pixel.DepthScale == 1.0f && ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && srcType == GL_UNSIGNED_INT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_INT, (GLuint *) dstRow, depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } } } return GL_TRUE; } /** * Store a 24-bit integer depth component texture image. */ static GLboolean _mesa_texstore_x8_z24(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffff; const GLuint texelBytes = 4; (void) dims; ASSERT(dstFormat == MESA_FORMAT_X8_Z24); { /* general path */ GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_INT, (GLuint *) dstRow, depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } } } return GL_TRUE; } /** * Store a 24-bit integer depth component texture image. */ static GLboolean _mesa_texstore_z24_x8(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffff; const GLuint texelBytes = 4; (void) dims; ASSERT(dstFormat == MESA_FORMAT_Z24_X8); { /* general path */ GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); GLuint *dst = (GLuint *) dstRow; GLint i; _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_INT, dst, depthScale, srcType, src, srcPacking); for (i = 0; i < srcWidth; i++) dst[i] <<= 8; dstRow += dstRowStride; } } } return GL_TRUE; } /** * Store a 16-bit integer depth component texture image. */ static GLboolean _mesa_texstore_z16(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffff; const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); (void) dims; ASSERT(dstFormat == MESA_FORMAT_Z16); ASSERT(texelBytes == sizeof(GLushort)); if (ctx->Pixel.DepthScale == 1.0f && ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && srcType == GL_UNSIGNED_SHORT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); GLushort *dst16 = (GLushort *) dstRow; _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_SHORT, dst16, depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } } } return GL_TRUE; } /** * Store an rgb565 or rgb565_rev texture image. */ static GLboolean _mesa_texstore_rgb565(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGB565 || dstFormat == MESA_FORMAT_RGB565_REV); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_RGB565 && baseInternalFormat == GL_RGB && srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGB && srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE && dims == 2) { /* do optimized tex store */ const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); const GLubyte *src = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); GLubyte *dst = (GLubyte *) dstAddr + dstYoffset * dstRowStride + dstXoffset * texelBytes; GLint row, col; for (row = 0; row < srcHeight; row++) { const GLubyte *srcUB = (const GLubyte *) src; GLushort *dstUS = (GLushort *) dst; /* check for byteswapped format */ if (dstFormat == MESA_FORMAT_RGB565) { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] ); srcUB += 3; } } else { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] ); srcUB += 3; } } dst += dstRowStride; src += srcRowStride; } } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; /* check for byteswapped format */ if (dstFormat == MESA_FORMAT_RGB565) { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 3; } } else { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 3; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV. */ static GLboolean _mesa_texstore_rgba8888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA8888 || dstFormat == MESA_FORMAT_RGBA8888_REV); ASSERT(texelBytes == 4); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_RGBA8888 && baseInternalFormat == GL_RGBA && ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) || (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) || (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) || (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_RGBA8888_REV && baseInternalFormat == GL_RGBA && ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) || (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) || (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) || (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && (srcType == GL_UNSIGNED_BYTE || srcType == GL_UNSIGNED_INT_8_8_8_8 || srcType == GL_UNSIGNED_INT_8_8_8_8_REV) && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) || (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) { dstmap[3] = 0; dstmap[2] = 1; dstmap[1] = 2; dstmap[0] = 3; } else { dstmap[3] = 3; dstmap[2] = 2; dstmap[1] = 1; dstmap[0] = 0; } _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 4, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; if (dstFormat == MESA_FORMAT_RGBA8888) { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]), CHAN_TO_UBYTE(src[ACOMP]) ); src += 4; } } else { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]), CHAN_TO_UBYTE(src[ACOMP]) ); src += 4; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_argb8888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = GL_RGBA; ASSERT(dstFormat == MESA_FORMAT_ARGB8888 || dstFormat == MESA_FORMAT_ARGB8888_REV || dstFormat == MESA_FORMAT_XRGB8888 || dstFormat == MESA_FORMAT_XRGB8888_REV ); ASSERT(texelBytes == 4); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && (dstFormat == MESA_FORMAT_ARGB8888 || dstFormat == MESA_FORMAT_XRGB8888) && baseInternalFormat == GL_RGBA && srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && littleEndian) || srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) { /* simple memcpy path (little endian) */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && (dstFormat == MESA_FORMAT_ARGB8888_REV || dstFormat == MESA_FORMAT_XRGB8888_REV) && baseInternalFormat == GL_RGBA && srcFormat == GL_BGRA && ((srcType == GL_UNSIGNED_BYTE && !littleEndian) || srcType == GL_UNSIGNED_INT_8_8_8_8)) { /* simple memcpy path (big endian) */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && (dstFormat == MESA_FORMAT_ARGB8888 || dstFormat == MESA_FORMAT_XRGB8888) && srcFormat == GL_RGB && (baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB) && srcType == GL_UNSIGNED_BYTE) { int img, row, col; for (img = 0; img < srcDepth; img++) { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *d4 = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { d4[col] = PACK_COLOR_8888(0xff, srcRow[col * 3 + RCOMP], srcRow[col * 3 + GCOMP], srcRow[col * 3 + BCOMP]); } dstRow += dstRowStride; srcRow += srcRowStride; } } } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_ARGB8888 && srcFormat == GL_RGBA && baseInternalFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) { /* same as above case, but src data has alpha too */ GLint img, row, col; /* For some reason, streaming copies to write-combined regions * are extremely sensitive to the characteristics of how the * source data is retrieved. By reordering the source reads to * be in-order, the speed of this operation increases by half. * Strangely the same isn't required for the RGB path, above. */ for (img = 0; img < srcDepth; img++) { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *d4 = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { d4[col] = PACK_COLOR_8888(srcRow[col * 4 + ACOMP], srcRow[col * 4 + RCOMP], srcRow[col * 4 + GCOMP], srcRow[col * 4 + BCOMP]); } dstRow += dstRowStride; srcRow += srcRowStride; } } } else if (!ctx->_ImageTransferState && (srcType == GL_UNSIGNED_BYTE || srcType == GL_UNSIGNED_INT_8_8_8_8 || srcType == GL_UNSIGNED_INT_8_8_8_8_REV) && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) || (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) || (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) || (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) { dstmap[3] = 3; /* alpha */ dstmap[2] = 0; /* red */ dstmap[1] = 1; /* green */ dstmap[0] = 2; /* blue */ } else { assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) || (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) || (littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) || (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888)); dstmap[3] = 2; dstmap[2] = 1; dstmap[1] = 0; dstmap[0] = 3; } _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 4, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; if (dstFormat == MESA_FORMAT_ARGB8888) { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } else if (dstFormat == MESA_FORMAT_XRGB8888) { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888( 0xff, CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } else { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_rgb888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGB888); ASSERT(texelBytes == 3); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGB && srcFormat == GL_BGR && srcType == GL_UNSIGNED_BYTE && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) { /* extract RGB from RGBA */ GLint img, row, col; for (img = 0; img < srcDepth; img++) { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP]; dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP]; dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP]; } dstRow += dstRowStride; srcRow += srcRowStride; } } } else if (!ctx->_ImageTransferState && srcType == GL_UNSIGNED_BYTE && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ dstmap[0] = 2; dstmap[1] = 1; dstmap[2] = 0; dstmap[3] = ONE; /* ? */ _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 3, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = (const GLchan *) tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { #if 0 if (littleEndian) { for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]); dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]); srcUB += 3; } } else { for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = srcUB[BCOMP]; dstRow[col * 3 + 1] = srcUB[GCOMP]; dstRow[col * 3 + 2] = srcUB[RCOMP]; srcUB += 3; } } #else for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]); dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]); src += 3; } #endif dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_bgr888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_BGR888); ASSERT(texelBytes == 3); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGB && srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) { /* extract BGR from RGBA */ int img, row, col; for (img = 0; img < srcDepth; img++) { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP]; dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP]; dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP]; } dstRow += dstRowStride; srcRow += srcRowStride; } } } else if (!ctx->_ImageTransferState && srcType == GL_UNSIGNED_BYTE && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ dstmap[0] = 0; dstmap[1] = 1; dstmap[2] = 2; dstmap[3] = ONE; /* ? */ _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 3, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = (const GLchan *) tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { for (col = 0; col < srcWidth; col++) { dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]); dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]); dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]); src += 3; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_argb4444(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_ARGB4444 || dstFormat == MESA_FORMAT_ARGB4444_REV); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_ARGB4444 && baseInternalFormat == GL_RGBA && srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; if (dstFormat == MESA_FORMAT_ARGB4444) { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } else { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_rgba5551(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA5551); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_RGBA5551 && baseInternalFormat == GL_RGBA && srcFormat == GL_RGBA && srcType == GL_UNSIGNED_SHORT_5_5_5_1) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src =tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]), CHAN_TO_UBYTE(src[ACOMP]) ); src += 4; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_argb1555(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_ARGB1555 || dstFormat == MESA_FORMAT_ARGB1555_REV); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_ARGB1555 && baseInternalFormat == GL_RGBA && srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src =tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; if (dstFormat == MESA_FORMAT_ARGB1555) { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } else { for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]), CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 4; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_argb2101010(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_ARGB2101010); ASSERT(texelBytes == 4); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_ARGB2101010 && srcFormat == GL_BGRA && srcType == GL_UNSIGNED_INT_2_10_10_10_REV && baseInternalFormat == GL_RGBA) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; if (baseInternalFormat == GL_RGBA) { for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { GLushort a,r,g,b; UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); dstUI[col] = PACK_COLOR_2101010_US(a, r, g, b); src += 4; } dstRow += dstRowStride; } } else if (baseInternalFormat == GL_RGB) { for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { GLushort r,g,b; UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); dstUI[col] = PACK_COLOR_2101010_US(0xffff, r, g, b); src += 4; } dstRow += dstRowStride; } } else { ASSERT(0); } } free((void *) tempImage); } return GL_TRUE; } /** * Do texstore for 2-channel, 4-bit/channel, unsigned normalized formats. */ static GLboolean _mesa_texstore_unorm44(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_AL44); ASSERT(texelBytes == 1); { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLubyte *dstUS = (GLubyte *) dstRow; for (col = 0; col < srcWidth; col++) { /* src[0] is luminance, src[1] is alpha */ dstUS[col] = PACK_COLOR_44( CHAN_TO_UBYTE(src[1]), CHAN_TO_UBYTE(src[0]) ); src += 2; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats. */ static GLboolean _mesa_texstore_unorm88(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV || dstFormat == MESA_FORMAT_RG88 || dstFormat == MESA_FORMAT_RG88_REV); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_BYTE && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && littleEndian && srcType == GL_UNSIGNED_BYTE && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) { if ((littleEndian && dstFormat == MESA_FORMAT_AL88) || (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) { dstmap[0] = 0; dstmap[1] = 3; } else { dstmap[0] = 3; dstmap[1] = 0; } } else { if ((littleEndian && dstFormat == MESA_FORMAT_RG88) || (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) { dstmap[0] = 0; dstmap[1] = 1; } else { dstmap[0] = 1; dstmap[1] = 0; } } dstmap[2] = ZERO; /* ? */ dstmap[3] = ONE; /* ? */ _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 2, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) { for (col = 0; col < srcWidth; col++) { /* src[0] is luminance, src[1] is alpha */ dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]), CHAN_TO_UBYTE(src[0]) ); src += 2; } } else { for (col = 0; col < srcWidth; col++) { /* src[0] is luminance, src[1] is alpha */ dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]), CHAN_TO_UBYTE(src[0]) ); src += 2; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats. */ static GLboolean _mesa_texstore_unorm1616(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_AL1616_REV || dstFormat == MESA_FORMAT_RG1616 || dstFormat == MESA_FORMAT_RG1616_REV); ASSERT(texelBytes == 4); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_SHORT && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; if (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) { for (col = 0; col < srcWidth; col++) { GLushort l, a; UNCLAMPED_FLOAT_TO_USHORT(l, src[0]); UNCLAMPED_FLOAT_TO_USHORT(a, src[1]); dstUI[col] = PACK_COLOR_1616(a, l); src += 2; } } else { for (col = 0; col < srcWidth; col++) { GLushort l, a; UNCLAMPED_FLOAT_TO_USHORT(l, src[0]); UNCLAMPED_FLOAT_TO_USHORT(a, src[1]); dstUI[col] = PACK_COLOR_1616_REV(a, l); src += 2; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /* Texstore for R16, A16, L16, I16. */ static GLboolean _mesa_texstore_unorm16(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_R16 || dstFormat == MESA_FORMAT_A16 || dstFormat == MESA_FORMAT_L16 || dstFormat == MESA_FORMAT_I16); ASSERT(texelBytes == 2); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_SHORT && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; for (col = 0; col < srcWidth; col++) { GLushort r; UNCLAMPED_FLOAT_TO_USHORT(r, src[0]); dstUS[col] = r; src += 1; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_rgba_16(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_16); ASSERT(texelBytes == 8); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGBA && srcFormat == GL_RGBA && srcType == GL_UNSIGNED_SHORT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; for (col = 0; col < srcWidth; col++) { GLushort r, g, b, a; UNCLAMPED_FLOAT_TO_USHORT(r, src[0]); UNCLAMPED_FLOAT_TO_USHORT(g, src[1]); UNCLAMPED_FLOAT_TO_USHORT(b, src[2]); UNCLAMPED_FLOAT_TO_USHORT(a, src[3]); dstUS[col*4+0] = r; dstUS[col*4+1] = g; dstUS[col*4+2] = b; dstUS[col*4+3] = a; src += 4; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_SIGNED_R_16 || dstFormat == MESA_FORMAT_SIGNED_RG_16 || dstFormat == MESA_FORMAT_SIGNED_RGB_16 || dstFormat == MESA_FORMAT_SIGNED_RGBA_16); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGBA && dstFormat == MESA_FORMAT_SIGNED_RGBA_16 && srcFormat == GL_RGBA && srcType == GL_SHORT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2; GLint img, row, col; if (!tempImage) return GL_FALSE; /* Note: tempImage is always float[4] / RGBA. We convert to 1, 2, * 3 or 4 components/pixel here. */ for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLshort *dstRowS = (GLshort *) dstRow; for (col = 0; col < srcWidth; col++) { GLuint c; for (c = 0; c < comps; c++) { GLshort p; UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]); dstRowS[col * comps + c] = p; } } dstRow += dstRowStride; src += 4 * srcWidth; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_rgb332(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_RGB332); ASSERT(texelBytes == 1); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_RGB && srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { for (col = 0; col < srcWidth; col++) { dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]), CHAN_TO_UBYTE(src[GCOMP]), CHAN_TO_UBYTE(src[BCOMP]) ); src += 3; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8. */ static GLboolean _mesa_texstore_unorm8(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_A8 || dstFormat == MESA_FORMAT_L8 || dstFormat == MESA_FORMAT_I8 || dstFormat == MESA_FORMAT_R8); ASSERT(texelBytes == 1); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_BYTE) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && srcType == GL_UNSIGNED_BYTE && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if (dstFormat == MESA_FORMAT_A8) { dstmap[0] = 3; } else { dstmap[0] = 0; } dstmap[1] = ZERO; /* ? */ dstmap[2] = ZERO; /* ? */ dstmap[3] = ONE; /* ? */ _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 1, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLchan *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { for (col = 0; col < srcWidth; col++) { dstRow[col] = CHAN_TO_UBYTE(src[col]); } dstRow += dstRowStride; src += srcWidth; } } free((void *) tempImage); } return GL_TRUE; } static GLboolean _mesa_texstore_ci8(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); (void) dims; (void) baseInternalFormat; ASSERT(dstFormat == MESA_FORMAT_CI8); ASSERT(texelBytes == 1); ASSERT(baseInternalFormat == GL_COLOR_INDEX); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && srcFormat == GL_COLOR_INDEX && srcType == GL_UNSIGNED_BYTE) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow, srcType, src, srcPacking, ctx->_ImageTransferState); dstRow += dstRowStride; } } } return GL_TRUE; } /** * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV. */ static GLboolean _mesa_texstore_ycbcr(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); (void) ctx; (void) dims; (void) baseInternalFormat; ASSERT((dstFormat == MESA_FORMAT_YCBCR) || (dstFormat == MESA_FORMAT_YCBCR_REV)); ASSERT(texelBytes == 2); ASSERT(ctx->Extensions.MESA_ycbcr_texture); ASSERT(srcFormat == GL_YCBCR_MESA); ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) || (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA)); ASSERT(baseInternalFormat == GL_YCBCR_MESA); /* always just memcpy since no pixel transfer ops apply */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); /* Check if we need byte swapping */ /* XXX the logic here _might_ be wrong */ if (srcPacking->SwapBytes ^ (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^ (dstFormat == MESA_FORMAT_YCBCR_REV) ^ !littleEndian) { GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { _mesa_swap2((GLushort *) dstRow, srcWidth); dstRow += dstRowStride; } } } return GL_TRUE; } static GLboolean _mesa_texstore_dudv8(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); ASSERT(dstFormat == MESA_FORMAT_DUDV8); ASSERT(texelBytes == 2); ASSERT(ctx->Extensions.ATI_envmap_bumpmap); ASSERT((srcFormat == GL_DU8DV8_ATI) || (srcFormat == GL_DUDV_ATI)); ASSERT(baseInternalFormat == GL_DUDV_ATI); if (!srcPacking->SwapBytes && srcType == GL_BYTE && littleEndian) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (srcType == GL_BYTE) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if (littleEndian) { dstmap[0] = 0; dstmap[1] = 3; } else { dstmap[0] = 3; dstmap[1] = 0; } dstmap[2] = ZERO; /* ? */ dstmap[3] = ONE; /* ? */ _mesa_swizzle_ubyte_image(ctx, dims, GL_LUMINANCE_ALPHA, /* hack */ GL_UNSIGNED_BYTE, /* hack */ GL_LUMINANCE_ALPHA, /* hack */ dstmap, 2, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path - note this is defined for 2d textures only */ const GLint components = _mesa_components_in_format(baseInternalFormat); const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType); GLbyte *tempImage, *dst, *src; GLint row; tempImage = (GLbyte *) malloc(srcWidth * srcHeight * srcDepth * components * sizeof(GLbyte)); if (!tempImage) return GL_FALSE; src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0); dst = tempImage; for (row = 0; row < srcHeight; row++) { _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat, dst, srcFormat, srcType, src, srcPacking, 0); dst += srcWidth * components; src += srcStride; } src = tempImage; dst = (GLbyte *) dstAddr + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { memcpy(dst, src, srcWidth * texelBytes); dst += dstRowStride; src += srcWidth * texelBytes; } free((void *) tempImage); } return GL_TRUE; } /** * Store a texture in MESA_FORMAT_SIGNED_R8 format. */ static GLboolean _mesa_texstore_signed_r8(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_SIGNED_R8); ASSERT(texelBytes == 1); /* XXX look at adding optimized paths */ { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *srcRow = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLubyte *dstB = (GLubyte *) dstRow; for (col = 0; col < srcWidth; col++) { dstB[col] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]); } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Store a texture in MESA_FORMAT_SIGNED_RG88 format. */ static GLboolean _mesa_texstore_signed_rg88(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG88); ASSERT(texelBytes == 1); /* XXX look at adding optimized paths */ { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *srcRow = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; for (col = 0; col < srcWidth; col++) { dstUS[col] = PACK_COLOR_88(FLOAT_TO_BYTE_TEX(srcRow[RCOMP]), FLOAT_TO_BYTE_TEX(srcRow[GCOMP])); } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Store a texture in MESA_FORMAT_SIGNED_RGBX8888. */ static GLboolean _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888); ASSERT(texelBytes == 4); { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *srcRow = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]), FLOAT_TO_BYTE_TEX(srcRow[GCOMP]), FLOAT_TO_BYTE_TEX(srcRow[BCOMP]), 0xff ); srcRow += 4; } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or * MESA_FORMAT_SIGNED_RGBA8888_REV */ static GLboolean _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 || dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV); ASSERT(texelBytes == 4); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_SIGNED_RGBA8888 && baseInternalFormat == GL_RGBA && ((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) || (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV && baseInternalFormat == GL_RGBA && ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) || (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && (srcType == GL_BYTE) && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { GLubyte dstmap[4]; /* dstmap - how to swizzle from RGBA to dst format: */ if ((littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888) || (!littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV)) { dstmap[3] = 0; dstmap[2] = 1; dstmap[1] = 2; dstmap[0] = 3; } else { dstmap[3] = 3; dstmap[2] = 2; dstmap[1] = 1; dstmap[0] = 0; } _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, baseInternalFormat, dstmap, 4, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *srcRow = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]), FLOAT_TO_BYTE_TEX(srcRow[GCOMP]), FLOAT_TO_BYTE_TEX(srcRow[BCOMP]), FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) ); srcRow += 4; } } else { for (col = 0; col < srcWidth; col++) { dstUI[col] = PACK_COLOR_8888_REV( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]), FLOAT_TO_BYTE_TEX(srcRow[GCOMP]), FLOAT_TO_BYTE_TEX(srcRow[BCOMP]), FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) ); srcRow += 4; } } dstRow += dstRowStride; } } free((void *) tempImage); } return GL_TRUE; } /** * Store a combined depth/stencil texture image. */ static GLboolean _mesa_texstore_z24_s8(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffff; const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType) / sizeof(GLuint); GLint img, row; ASSERT(dstFormat == MESA_FORMAT_Z24_S8); ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT); ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT); if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f && ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes) { /* simple path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else if (srcFormat == GL_DEPTH_COMPONENT) { /* In case we only upload depth we need to preserve the stencil */ for (img = 0; img < srcDepth; img++) { GLuint *dstRow = (GLuint *) dstAddr + dstImageOffsets[dstZoffset + img] + dstYoffset * dstRowStride / sizeof(GLuint) + dstXoffset; const GLuint *src = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { GLuint depth[MAX_WIDTH]; GLubyte stencil[MAX_WIDTH]; GLint i; GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE; if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */ keepstencil = GL_TRUE; } else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */ keepdepth = GL_TRUE; } if (keepdepth == GL_FALSE) /* the 24 depth bits will be in the low position: */ _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_INT, /* dst type */ keepstencil ? depth : dstRow, /* dst addr */ depthScale, srcType, src, srcPacking); if (keepstencil == GL_FALSE) /* get the 8-bit stencil values */ _mesa_unpack_stencil_span(ctx, srcWidth, GL_UNSIGNED_BYTE, /* dst type */ stencil, /* dst addr */ srcType, src, srcPacking, ctx->_ImageTransferState); for (i = 0; i < srcWidth; i++) { if (keepstencil) dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF); else dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF); } src += srcRowStride; dstRow += dstRowStride / sizeof(GLuint); } } } return GL_TRUE; } /** * Store a combined depth/stencil texture image. */ static GLboolean _mesa_texstore_s8_z24(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffff; const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType) / sizeof(GLuint); GLint img, row; ASSERT(dstFormat == MESA_FORMAT_S8_Z24); ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT || srcFormat == GL_STENCIL_INDEX); ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT); for (img = 0; img < srcDepth; img++) { GLuint *dstRow = (GLuint *) dstAddr + dstImageOffsets[dstZoffset + img] + dstYoffset * dstRowStride / sizeof(GLuint) + dstXoffset; const GLuint *src = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { GLuint depth[MAX_WIDTH]; GLubyte stencil[MAX_WIDTH]; GLint i; GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE; if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */ keepstencil = GL_TRUE; } else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */ keepdepth = GL_TRUE; } if (keepdepth == GL_FALSE) /* the 24 depth bits will be in the low position: */ _mesa_unpack_depth_span(ctx, srcWidth, GL_UNSIGNED_INT, /* dst type */ keepstencil ? depth : dstRow, /* dst addr */ depthScale, srcType, src, srcPacking); if (keepstencil == GL_FALSE) /* get the 8-bit stencil values */ _mesa_unpack_stencil_span(ctx, srcWidth, GL_UNSIGNED_BYTE, /* dst type */ stencil, /* dst addr */ srcType, src, srcPacking, ctx->_ImageTransferState); /* merge stencil values into depth values */ for (i = 0; i < srcWidth; i++) { if (keepstencil) dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000); else dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24); } src += srcRowStride; dstRow += dstRowStride / sizeof(GLuint); } } return GL_TRUE; } /** * Store simple 8-bit/value stencil texture data. */ static GLboolean _mesa_texstore_s8(TEXSTORE_PARAMS) { ASSERT(dstFormat == MESA_FORMAT_S8); ASSERT(srcFormat == GL_STENCIL_INDEX); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_BYTE) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType) / sizeof(GLuint); GLint img, row; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] + dstYoffset * dstRowStride / sizeof(GLuint) + dstXoffset; const GLuint *src = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0); for (row = 0; row < srcHeight; row++) { GLubyte stencil[MAX_WIDTH]; GLint i; /* get the 8-bit stencil values */ _mesa_unpack_stencil_span(ctx, srcWidth, GL_UNSIGNED_BYTE, /* dst type */ stencil, /* dst addr */ srcType, src, srcPacking, ctx->_ImageTransferState); /* merge stencil values into depth values */ for (i = 0; i < srcWidth; i++) dstRow[i] = stencil[i]; src += srcRowStride; dstRow += dstRowStride / sizeof(GLubyte); } } } return GL_TRUE; } /** * Store an image in any of the formats: * _mesa_texformat_rgba_float32 * _mesa_texformat_rgb_float32 * _mesa_texformat_alpha_float32 * _mesa_texformat_luminance_float32 * _mesa_texformat_luminance_alpha_float32 * _mesa_texformat_intensity_float32 */ static GLboolean _mesa_texstore_rgba_float32(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 || dstFormat == MESA_FORMAT_RGB_FLOAT32 || dstFormat == MESA_FORMAT_ALPHA_FLOAT32 || dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 || dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 || dstFormat == MESA_FORMAT_INTENSITY_FLOAT32); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLfloat)); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_FLOAT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *srcRow = tempImage; GLint bytesPerRow; GLint img, row; if (!tempImage) return GL_FALSE; bytesPerRow = srcWidth * components * sizeof(GLfloat); for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { memcpy(dstRow, srcRow, bytesPerRow); dstRow += dstRowStride; srcRow += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /** * As above, but store 16-bit floats. */ static GLboolean _mesa_texstore_rgba_float16(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 || dstFormat == MESA_FORMAT_RGB_FLOAT16 || dstFormat == MESA_FORMAT_ALPHA_FLOAT16 || dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 || dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 || dstFormat == MESA_FORMAT_INTENSITY_FLOAT16); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLhalfARB)); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_HALF_FLOAT_ARB) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, ctx->_ImageTransferState); const GLfloat *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLhalfARB *dstTexel = (GLhalfARB *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = _mesa_float_to_half(src[i]); } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, signed int8 */ static GLboolean _mesa_texstore_rgba_int8(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLbyte)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_BYTE) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, 0x0); const GLfloat *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLbyte *dstTexel = (GLbyte *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = (GLbyte) src[i]; } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, signed int16 */ static GLboolean _mesa_texstore_rgba_int16(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLshort)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_SHORT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, 0x0); const GLfloat *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLshort *dstTexel = (GLshort *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = (GLint) src[i]; } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, signed int32 */ static GLboolean _mesa_texstore_rgba_int32(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLint)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_INT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking, 0x0); const GLfloat *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLint *dstTexel = (GLint *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = (GLint) src[i]; } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, unsigned int8 */ static GLboolean _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLubyte)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_BYTE) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLuint *tempImage = make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLuint *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLubyte *dstTexel = (GLubyte *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff); } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, unsigned int16 */ static GLboolean _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLushort)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_SHORT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLuint *tempImage = make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLuint *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLushort *dstTexel = (GLushort *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff); } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } /* non-normalized, unsigned int32 */ static GLboolean _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); const GLint components = _mesa_components_in_format(baseFormat); ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || baseInternalFormat == GL_INTENSITY); ASSERT(texelBytes == components * sizeof(GLuint)); /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply * to integer formats. */ if (!srcPacking->SwapBytes && baseInternalFormat == srcFormat && srcType == GL_UNSIGNED_INT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } else { /* general path */ const GLuint *tempImage = make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); const GLuint *src = tempImage; GLint img, row; if (!tempImage) return GL_FALSE; for (img = 0; img < srcDepth; img++) { GLubyte *dstRow = (GLubyte *) dstAddr + dstImageOffsets[dstZoffset + img] * texelBytes + dstYoffset * dstRowStride + dstXoffset * texelBytes; for (row = 0; row < srcHeight; row++) { GLuint *dstTexel = (GLuint *) dstRow; GLint i; for (i = 0; i < srcWidth * components; i++) { dstTexel[i] = src[i]; } dstRow += dstRowStride; src += srcWidth * components; } } free((void *) tempImage); } return GL_TRUE; } #if FEATURE_EXT_texture_sRGB static GLboolean _mesa_texstore_srgb8(TEXSTORE_PARAMS) { gl_format newDstFormat; GLboolean k; ASSERT(dstFormat == MESA_FORMAT_SRGB8); /* reuse normal rgb texstore code */ newDstFormat = MESA_FORMAT_RGB888; k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat, newDstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return k; } static GLboolean _mesa_texstore_srgba8(TEXSTORE_PARAMS) { gl_format newDstFormat; GLboolean k; ASSERT(dstFormat == MESA_FORMAT_SRGBA8); /* reuse normal rgba texstore code */ newDstFormat = MESA_FORMAT_RGBA8888; k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat, newDstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return k; } static GLboolean _mesa_texstore_sargb8(TEXSTORE_PARAMS) { gl_format newDstFormat; GLboolean k; ASSERT(dstFormat == MESA_FORMAT_SARGB8); /* reuse normal rgba texstore code */ newDstFormat = MESA_FORMAT_ARGB8888; k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat, newDstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return k; } static GLboolean _mesa_texstore_sl8(TEXSTORE_PARAMS) { gl_format newDstFormat; GLboolean k; ASSERT(dstFormat == MESA_FORMAT_SL8); newDstFormat = MESA_FORMAT_L8; /* _mesa_textore_a8 handles luminance8 too */ k = _mesa_texstore_unorm8(ctx, dims, baseInternalFormat, newDstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return k; } static GLboolean _mesa_texstore_sla8(TEXSTORE_PARAMS) { gl_format newDstFormat; GLboolean k; ASSERT(dstFormat == MESA_FORMAT_SLA8); /* reuse normal luminance/alpha texstore code */ newDstFormat = MESA_FORMAT_AL88; k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat, newDstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return k; } #else /* these are used only in texstore_funcs[] below */ #define _mesa_texstore_srgb8 NULL #define _mesa_texstore_srgba8 NULL #define _mesa_texstore_sargb8 NULL #define _mesa_texstore_sl8 NULL #define _mesa_texstore_sla8 NULL #endif /* FEATURE_EXT_texture_sRGB */ /** * Table mapping MESA_FORMAT_* to _mesa_texstore_*() * XXX this is somewhat temporary. */ static const struct { gl_format Name; StoreTexImageFunc Store; } texstore_funcs[MESA_FORMAT_COUNT] = { { MESA_FORMAT_NONE, NULL }, { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 }, { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 }, { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 }, { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 }, { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 }, { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 }, { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 }, { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 }, { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 }, { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 }, { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 }, { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 }, { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 }, { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 }, { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 }, { MESA_FORMAT_AL44, _mesa_texstore_unorm44 }, { MESA_FORMAT_AL88, _mesa_texstore_unorm88 }, { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 }, { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 }, { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 }, { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 }, { MESA_FORMAT_A8, _mesa_texstore_unorm8 }, { MESA_FORMAT_A16, _mesa_texstore_unorm16 }, { MESA_FORMAT_L8, _mesa_texstore_unorm8 }, { MESA_FORMAT_L16, _mesa_texstore_unorm16 }, { MESA_FORMAT_I8, _mesa_texstore_unorm8 }, { MESA_FORMAT_I16, _mesa_texstore_unorm16 }, { MESA_FORMAT_CI8, _mesa_texstore_ci8 }, { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr }, { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr }, { MESA_FORMAT_R8, _mesa_texstore_unorm8 }, { MESA_FORMAT_RG88, _mesa_texstore_unorm88 }, { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 }, { MESA_FORMAT_R16, _mesa_texstore_unorm16 }, { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 }, { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 }, { MESA_FORMAT_ARGB2101010, _mesa_texstore_argb2101010 }, { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 }, { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 }, { MESA_FORMAT_Z16, _mesa_texstore_z16 }, { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 }, { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 }, { MESA_FORMAT_Z32, _mesa_texstore_z32 }, { MESA_FORMAT_S8, _mesa_texstore_s8 }, { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 }, { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 }, { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 }, { MESA_FORMAT_SL8, _mesa_texstore_sl8 }, { MESA_FORMAT_SLA8, _mesa_texstore_sla8 }, { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 }, { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 }, { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 }, { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 }, { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 }, { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 }, { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 }, { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 }, { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 }, { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 }, { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 }, { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 }, { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 }, { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 }, { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 }, { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 }, { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 }, { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 }, { MESA_FORMAT_SIGNED_RG88, _mesa_texstore_signed_rg88 }, { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 }, { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 }, { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 }, { MESA_FORMAT_SIGNED_R_16, _mesa_texstore_signed_rgba_16 }, { MESA_FORMAT_SIGNED_RG_16, _mesa_texstore_signed_rgba_16 }, { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 }, { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 }, { MESA_FORMAT_RGBA_16, _mesa_texstore_rgba_16 }, { MESA_FORMAT_RED_RGTC1, _mesa_texstore_red_rgtc1 }, { MESA_FORMAT_SIGNED_RED_RGTC1, _mesa_texstore_signed_red_rgtc1 }, { MESA_FORMAT_RG_RGTC2, _mesa_texstore_rg_rgtc2 }, { MESA_FORMAT_SIGNED_RG_RGTC2, _mesa_texstore_signed_rg_rgtc2 }, /* Re-use the R/RG texstore functions. * The code is generic enough to handle LATC too. */ { MESA_FORMAT_L_LATC1, _mesa_texstore_red_rgtc1 }, { MESA_FORMAT_SIGNED_L_LATC1, _mesa_texstore_signed_red_rgtc1 }, { MESA_FORMAT_LA_LATC2, _mesa_texstore_rg_rgtc2 }, { MESA_FORMAT_SIGNED_LA_LATC2, _mesa_texstore_signed_rg_rgtc2 } }; static GLboolean _mesa_texstore_null(TEXSTORE_PARAMS) { (void) ctx; (void) dims; (void) baseInternalFormat; (void) dstFormat; (void) dstAddr; (void) dstXoffset; (void) dstYoffset; (void) dstZoffset; (void) dstRowStride; (void) dstImageOffsets; (void) srcWidth; (void) srcHeight; (void) srcDepth; (void) srcFormat; (void) srcType; (void) srcAddr; (void) srcPacking; /* should never happen */ _mesa_problem(NULL, "_mesa_texstore_null() is called"); return GL_FALSE; } /** * Return the StoreTexImageFunc pointer to store an image in the given format. */ static StoreTexImageFunc _mesa_get_texstore_func(gl_format format) { #ifdef DEBUG GLuint i; for (i = 0; i < MESA_FORMAT_COUNT; i++) { ASSERT(texstore_funcs[i].Name == i); } #endif ASSERT(texstore_funcs[format].Name == format); if (texstore_funcs[format].Store) return texstore_funcs[format].Store; else return _mesa_texstore_null; } /** * Store user data into texture memory. * Called via glTex[Sub]Image1/2/3D() */ GLboolean _mesa_texstore(TEXSTORE_PARAMS) { StoreTexImageFunc storeImage; GLboolean success; storeImage = _mesa_get_texstore_func(dstFormat); success = storeImage(ctx, dims, baseInternalFormat, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageOffsets, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); return success; } /** Return texture size in bytes */ static GLuint texture_size(const struct gl_texture_image *texImage) { GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width, texImage->Height, texImage->Depth); return sz; } /** Return row stride in bytes */ static GLuint texture_row_stride(const struct gl_texture_image *texImage) { GLuint stride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width); return stride; } /** * This is the software fallback for Driver.TexImage1D() * and Driver.CopyTexImage1D(). * \sa _mesa_store_teximage2d() */ void _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint border, GLenum format, GLenum type, const GLvoid *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { GLuint sizeInBytes; (void) border; /* allocate memory */ sizeInBytes = texture_size(texImage); texImage->Data = _mesa_alloc_texmemory(sizeInBytes); if (!texImage->Data) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); return; } pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type, pixels, packing, "glTexImage1D"); if (!pixels) { /* Note: we check for a NULL image pointer here, _after_ we allocated * memory for the texture. That's what the GL spec calls for. */ return; } else { const GLint dstRowStride = 0; GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */ dstRowStride, texImage->ImageOffsets, width, 1, 1, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /** * This is the software fallback for Driver.TexImage2D() * and Driver.CopyTexImage2D(). * * This function is oriented toward storing images in main memory, rather * than VRAM. Device driver's can easily plug in their own replacement. */ void _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint height, GLint border, GLenum format, GLenum type, const void *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { GLuint sizeInBytes; (void) border; /* allocate memory */ sizeInBytes = texture_size(texImage); texImage->Data = _mesa_alloc_texmemory(sizeInBytes); if (!texImage->Data) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); return; } pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type, pixels, packing, "glTexImage2D"); if (!pixels) { /* Note: we check for a NULL image pointer here, _after_ we allocated * memory for the texture. That's what the GL spec calls for. */ return; } else { GLint dstRowStride = texture_row_stride(texImage); GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */ dstRowStride, texImage->ImageOffsets, width, height, 1, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /** * This is the software fallback for Driver.TexImage3D() * and Driver.CopyTexImage3D(). * \sa _mesa_store_teximage2d() */ void _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint height, GLint depth, GLint border, GLenum format, GLenum type, const void *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { GLuint sizeInBytes; (void) border; /* allocate memory */ sizeInBytes = texture_size(texImage); texImage->Data = _mesa_alloc_texmemory(sizeInBytes); if (!texImage->Data) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); return; } pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format, type, pixels, packing, "glTexImage3D"); if (!pixels) { /* Note: we check for a NULL image pointer here, _after_ we allocated * memory for the texture. That's what the GL spec calls for. */ return; } else { GLint dstRowStride = texture_row_stride(texImage); GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */ dstRowStride, texImage->ImageOffsets, width, height, depth, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /* * This is the software fallback for Driver.TexSubImage1D() * and Driver.CopyTexSubImage1D(). */ void _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level, GLint xoffset, GLint width, GLenum format, GLenum type, const void *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* get pointer to src pixels (may be in a pbo which we'll map here) */ pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type, pixels, packing, "glTexSubImage1D"); if (!pixels) return; { const GLint dstRowStride = 0; GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, xoffset, 0, 0, /* offsets */ dstRowStride, texImage->ImageOffsets, width, 1, 1, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /** * This is the software fallback for Driver.TexSubImage2D() * and Driver.CopyTexSubImage2D(). */ void _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint width, GLint height, GLenum format, GLenum type, const void *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* get pointer to src pixels (may be in a pbo which we'll map here) */ pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type, pixels, packing, "glTexSubImage2D"); if (!pixels) return; { GLint dstRowStride = texture_row_stride(texImage); GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, xoffset, yoffset, 0, dstRowStride, texImage->ImageOffsets, width, height, 1, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /* * This is the software fallback for Driver.TexSubImage3D(). * and Driver.CopyTexSubImage3D(). */ void _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint width, GLint height, GLint depth, GLenum format, GLenum type, const void *pixels, const struct gl_pixelstore_attrib *packing, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* get pointer to src pixels (may be in a pbo which we'll map here) */ pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format, type, pixels, packing, "glTexSubImage3D"); if (!pixels) return; { GLint dstRowStride = texture_row_stride(texImage); GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat, texImage->TexFormat, texImage->Data, xoffset, yoffset, zoffset, dstRowStride, texImage->ImageOffsets, width, height, depth, format, type, pixels, packing); if (!success) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D"); } } _mesa_unmap_teximage_pbo(ctx, packing); } /* * Fallback for Driver.CompressedTexImage1D() */ void _mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint border, GLsizei imageSize, const GLvoid *data, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* this space intentionally left blank */ (void) ctx; (void) target; (void) level; (void) internalFormat; (void) width; (void) border; (void) imageSize; (void) data; (void) texObj; (void) texImage; } /** * Fallback for Driver.CompressedTexImage2D() */ void _mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint height, GLint border, GLsizei imageSize, const GLvoid *data, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { (void) width; (void) height; (void) border; /* This is pretty simple, basically just do a memcpy without worrying * about the usual image unpacking or image transfer operations. */ ASSERT(texObj); ASSERT(texImage); ASSERT(texImage->Width > 0); ASSERT(texImage->Height > 0); ASSERT(texImage->Depth == 1); ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */ /* allocate storage */ texImage->Data = _mesa_alloc_texmemory(imageSize); if (!texImage->Data) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB"); return; } data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data, &ctx->Unpack, "glCompressedTexImage2D"); if (!data) return; /* copy the data */ memcpy(texImage->Data, data, imageSize); _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack); } /* * Fallback for Driver.CompressedTexImage3D() */ void _mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level, GLint internalFormat, GLint width, GLint height, GLint depth, GLint border, GLsizei imageSize, const GLvoid *data, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* this space intentionally left blank */ (void) ctx; (void) target; (void) level; (void) internalFormat; (void) width; (void) height; (void) depth; (void) border; (void) imageSize; (void) data; (void) texObj; (void) texImage; } /** * Fallback for Driver.CompressedTexSubImage1D() */ void _mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { /* there are no compressed 1D texture formats yet */ (void) ctx; (void) target; (void) level; (void) xoffset; (void) width; (void) format; (void) imageSize; (void) data; (void) texObj; (void) texImage; } /** * Fallback for Driver.CompressedTexSubImage2D() */ void _mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { GLint bytesPerRow, destRowStride, srcRowStride; GLint i, rows; GLubyte *dest; const GLubyte *src; const gl_format texFormat = texImage->TexFormat; const GLint destWidth = texImage->Width; GLuint bw, bh; _mesa_get_format_block_size(texFormat, &bw, &bh); (void) level; (void) format; /* these should have been caught sooner */ ASSERT((width % bw) == 0 || width == 2 || width == 1); ASSERT((height % bh) == 0 || height == 2 || height == 1); ASSERT((xoffset % bw) == 0); ASSERT((yoffset % bh) == 0); /* get pointer to src pixels (may be in a pbo which we'll map here) */ data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data, &ctx->Unpack, "glCompressedTexSubImage2D"); if (!data) return; srcRowStride = _mesa_format_row_stride(texFormat, width); src = (const GLubyte *) data; destRowStride = _mesa_format_row_stride(texFormat, destWidth); dest = _mesa_compressed_image_address(xoffset, yoffset, 0, texFormat, destWidth, (GLubyte *) texImage->Data); bytesPerRow = srcRowStride; /* bytes per row of blocks */ rows = height / bh; /* rows in blocks */ /* copy rows of blocks */ for (i = 0; i < rows; i++) { memcpy(dest, src, bytesPerRow); dest += destRowStride; src += srcRowStride; } _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack); } /** * Fallback for Driver.CompressedTexSubImage3D() */ void _mesa_store_compressed_texsubimage3d(struct gl_context *ctx, 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) { /* there are no compressed 3D texture formats yet */ (void) ctx; (void) target; (void) level; (void) xoffset; (void) yoffset; (void) zoffset; (void) width; (void) height; (void) depth; (void) format; (void) imageSize; (void) data; (void) texObj; (void) texImage; }