X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexcompress_fxt1.c;h=c5646fbd7a35e26a21498ee4f58f9fe0724fc421;hb=1ebe4305fd0e4b4f023eb50ca0b8229bdd7c1a5e;hp=92af29ad402fea88ed1d41cf967aeddc9c16192b;hpb=5067506ea6ada5eeae33b1acf1c916e00121c12a;p=mesa.git diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c index 92af29ad402..c5646fbd7a3 100644 --- a/src/mesa/main/texcompress_fxt1.c +++ b/src/mesa/main/texcompress_fxt1.c @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 7.1 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * @@ -17,9 +16,10 @@ * 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. + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ @@ -31,18 +31,12 @@ #include "glheader.h" #include "imports.h" -#include "colormac.h" #include "image.h" #include "macros.h" -#include "mfeatures.h" #include "mipmap.h" #include "texcompress.h" #include "texcompress_fxt1.h" #include "texstore.h" -#include "swrast/s_context.h" - - -#if FEATURE_texture_fxt1 static void @@ -50,7 +44,7 @@ fxt1_encode (GLuint width, GLuint height, GLint comps, const void *source, GLint srcRowStride, void *dest, GLint destRowStride); -void +static void fxt1_decode_1 (const void *texture, GLint stride, GLint i, GLint j, GLubyte *rgba); @@ -66,22 +60,27 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS) GLubyte *dst; const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1); + assert(dstFormat == MESA_FORMAT_RGB_FXT1); if (srcFormat != GL_RGB || srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || - srcPacking->RowLength != srcWidth || + ALIGN(srcPacking->RowLength, srcPacking->Alignment) != srcWidth || srcPacking->SwapBytes) { /* convert image to RGB/GLubyte */ - tempImage = _mesa_make_temp_ubyte_image(ctx, dims, - baseInternalFormat, - _mesa_get_format_base_format(dstFormat), - srcWidth, srcHeight, srcDepth, - srcFormat, srcType, srcAddr, - srcPacking); + GLubyte *tempImageSlices[1]; + int rgbRowStride = 3 * srcWidth * sizeof(GLubyte); + tempImage = malloc(srcWidth * srcHeight * 3 * sizeof(GLubyte)); if (!tempImage) return GL_FALSE; /* out of memory */ + tempImageSlices[0] = (GLubyte *) tempImage; + _mesa_texstore(ctx, dims, + baseInternalFormat, + MESA_FORMAT_RGB_UNORM8, + rgbRowStride, tempImageSlices, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); pixels = tempImage; srcRowStride = 3 * srcWidth; srcFormat = GL_RGB; @@ -116,21 +115,27 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS) GLubyte *dst; const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1); + assert(dstFormat == MESA_FORMAT_RGBA_FXT1); if (srcFormat != GL_RGBA || srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || srcPacking->SwapBytes) { /* convert image to RGBA/GLubyte */ - tempImage = _mesa_make_temp_ubyte_image(ctx, dims, - baseInternalFormat, - _mesa_get_format_base_format(dstFormat), - srcWidth, srcHeight, srcDepth, - srcFormat, srcType, srcAddr, - srcPacking); + GLubyte *tempImageSlices[1]; + int rgbaRowStride = 4 * srcWidth * sizeof(GLubyte); + tempImage = malloc(srcWidth * srcHeight * 4 * sizeof(GLubyte)); if (!tempImage) return GL_FALSE; /* out of memory */ + tempImageSlices[0] = (GLubyte *) tempImage; + _mesa_texstore(ctx, dims, + baseInternalFormat, + _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM + : MESA_FORMAT_A8B8G8R8_UNORM, + rgbaRowStride, tempImageSlices, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); pixels = tempImage; srcRowStride = 4 * srcWidth; srcFormat = GL_RGBA; @@ -154,37 +159,6 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS) } -void -_mesa_fetch_texel_2d_f_rgba_fxt1( const struct swrast_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - /* just sample as GLubyte and convert to float here */ - GLubyte rgba[4]; - (void) k; - fxt1_decode_1(texImage->Map, texImage->RowStride, i, j, rgba); - texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); -} - - -void -_mesa_fetch_texel_2d_f_rgb_fxt1( const struct swrast_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - /* just sample as GLubyte and convert to float here */ - GLubyte rgba[4]; - (void) k; - fxt1_decode_1(texImage->Map, texImage->RowStride, i, j, rgba); - texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = 1.0F; -} - - - /***************************************************************************\ * FXT1 encoder * @@ -203,8 +177,8 @@ _mesa_fetch_texel_2d_f_rgb_fxt1( const struct swrast_texture_image *texImage, #define LL_RMS_D 10 /* fault tolerance (maximum delta) */ #define LL_RMS_E 255 /* fault tolerance (maximum error) */ #define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */ -#define ISTBLACK(v) (*((GLuint *)(v)) == 0) - +static const GLuint zero = 0; +#define ISTBLACK(v) (memcmp(&(v), &zero, sizeof(zero)) == 0) /* * Define a 64-bit unsigned integer type and macros @@ -1290,12 +1264,12 @@ upscale_teximage2d(GLsizei inWidth, GLsizei inHeight, { GLint i, j, k; - ASSERT(outWidth >= inWidth); - ASSERT(outHeight >= inHeight); + assert(outWidth >= inWidth); + assert(outHeight >= inHeight); #if 0 - ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2); - ASSERT((outWidth & 3) == 0); - ASSERT((outHeight & 3) == 0); + assert(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2); + assert((outWidth & 3) == 0); + assert((outHeight & 3) == 0); #endif for (i = 0; i < outHeight; i++) { @@ -1619,7 +1593,7 @@ fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLubyte *rgba) } -void +static void fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */ GLint i, GLint j, GLubyte *rgba) { @@ -1648,4 +1622,43 @@ fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */ } -#endif /* FEATURE_texture_fxt1 */ + + +static void +fetch_rgb_fxt1(const GLubyte *map, + GLint rowStride, GLint i, GLint j, GLfloat *texel) +{ + GLubyte rgba[4]; + fxt1_decode_1(map, rowStride, i, j, rgba); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = 1.0F; +} + + +static void +fetch_rgba_fxt1(const GLubyte *map, + GLint rowStride, GLint i, GLint j, GLfloat *texel) +{ + GLubyte rgba[4]; + fxt1_decode_1(map, rowStride, i, j, rgba); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); +} + + +compressed_fetch_func +_mesa_get_fxt_fetch_func(mesa_format format) +{ + switch (format) { + case MESA_FORMAT_RGB_FXT1: + return fetch_rgb_fxt1; + case MESA_FORMAT_RGBA_FXT1: + return fetch_rgba_fxt1; + default: + return NULL; + } +}