diff options
author | Dave Airlie <airlied@redhat.com> | 2009-02-13 01:11:25 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2009-02-13 01:11:25 +1000 |
commit | 53116910b10e3b8a05f42970eff311c21808699f (patch) | |
tree | 6831e50a56a02fed324f8cb119e05d837e00d7cf /src/mesa/main/texcompress.c | |
parent | 7e104f9cde94279a902b408e8d1cf21779b393a8 (diff) | |
parent | 0ccbc3c905f0594a35d72887a1f115e148aaa596 (diff) |
Merge remote branch 'origin/master' into radeon-rewrite
Conflicts:
configure.ac
src/mesa/drivers/dri/r200/r200_context.c
src/mesa/drivers/dri/r300/r300_render.c
Diffstat (limited to 'src/mesa/main/texcompress.c')
-rw-r--r-- | src/mesa/main/texcompress.c | 156 |
1 files changed, 102 insertions, 54 deletions
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c index c44d594d68..c1b8c7675a 100644 --- a/src/mesa/main/texcompress.c +++ b/src/mesa/main/texcompress.c @@ -3,6 +3,7 @@ * Version: 6.5.1 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (c) 2008 VMware, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -56,60 +57,58 @@ GLuint _mesa_get_compressed_formats(GLcontext *ctx, GLint *formats, GLboolean all) { GLuint n = 0; - if (ctx->Extensions.ARB_texture_compression) { - if (ctx->Extensions.TDFX_texture_compression_FXT1) { - if (formats) { - formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX; - formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX; - } - else { - n += 2; - } + if (ctx->Extensions.TDFX_texture_compression_FXT1) { + if (formats) { + formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX; + formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX; } - if (ctx->Extensions.EXT_texture_compression_s3tc) { - if (formats) { - formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; - /* This format has some restrictions/limitations and so should - * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query. - * Specifically, all transparent pixels become black. NVIDIA - * omits this format too. - */ - if (all) - formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; - formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - } - else { - n += 3; - if (all) - n += 1; - } + else { + n += 2; } - if (ctx->Extensions.S3_s3tc) { - if (formats) { - formats[n++] = GL_RGB_S3TC; - formats[n++] = GL_RGB4_S3TC; - formats[n++] = GL_RGBA_S3TC; - formats[n++] = GL_RGBA4_S3TC; - } - else { - n += 4; - } + } + if (ctx->Extensions.EXT_texture_compression_s3tc) { + if (formats) { + formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; + /* This format has some restrictions/limitations and so should + * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query. + * Specifically, all transparent pixels become black. NVIDIA + * omits this format too. + */ + if (all) + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; + formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; + } + else { + n += 3; + if (all) + n += 1; + } + } + if (ctx->Extensions.S3_s3tc) { + if (formats) { + formats[n++] = GL_RGB_S3TC; + formats[n++] = GL_RGB4_S3TC; + formats[n++] = GL_RGBA_S3TC; + formats[n++] = GL_RGBA4_S3TC; + } + else { + n += 4; } + } #if FEATURE_EXT_texture_sRGB - if (ctx->Extensions.EXT_texture_sRGB) { - if (formats) { - formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT; - formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; - formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; - formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; - } - else { - n += 4; - } + if (ctx->Extensions.EXT_texture_sRGB) { + if (formats) { + formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT; + formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + } + else { + n += 4; } -#endif /* FEATURE_EXT_texture_sRGB */ } +#endif /* FEATURE_EXT_texture_sRGB */ return n; } @@ -137,8 +136,10 @@ _mesa_compressed_texture_size( GLcontext *ctx, ASSERT(depth == 1); (void) depth; + (void) size; switch (mesaFormat) { +#if FEATURE_texture_fxt1 case MESA_FORMAT_RGB_FXT1: case MESA_FORMAT_RGBA_FXT1: /* round up width to next multiple of 8, height to next multiple of 4 */ @@ -149,11 +150,15 @@ _mesa_compressed_texture_size( GLcontext *ctx, /* Textures smaller than 8x4 will effectively be made into 8x4 and * take 16 bytes. */ - if (size < 16) - size = 16; return size; +#endif +#if FEATURE_texture_s3tc case MESA_FORMAT_RGB_DXT1: case MESA_FORMAT_RGBA_DXT1: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGB_DXT1: + case MESA_FORMAT_SRGBA_DXT1: +#endif /* round up width, height to next multiple of 4 */ width = (width + 3) & ~3; height = (height + 3) & ~3; @@ -162,11 +167,13 @@ _mesa_compressed_texture_size( GLcontext *ctx, /* Textures smaller than 4x4 will effectively be made into 4x4 and * take 8 bytes. */ - if (size < 8) - size = 8; return size; case MESA_FORMAT_RGBA_DXT3: case MESA_FORMAT_RGBA_DXT5: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGBA_DXT3: + case MESA_FORMAT_SRGBA_DXT5: +#endif /* round up width, height to next multiple of 4 */ width = (width + 3) & ~3; height = (height + 3) & ~3; @@ -175,9 +182,8 @@ _mesa_compressed_texture_size( GLcontext *ctx, /* Textures smaller than 4x4 will effectively be made into 4x4 and * take 16 bytes. */ - if (size < 16) - size = 16; return size; +#endif default: _mesa_problem(ctx, "bad mesaFormat in _mesa_compressed_texture_size"); return 0; @@ -202,12 +208,15 @@ _mesa_compressed_texture_size_glenum(GLcontext *ctx, GLuint mesaFormat; switch (glformat) { +#if FEATURE_texture_fxt1 case GL_COMPRESSED_RGB_FXT1_3DFX: mesaFormat = MESA_FORMAT_RGB_FXT1; break; case GL_COMPRESSED_RGBA_FXT1_3DFX: mesaFormat = MESA_FORMAT_RGBA_FXT1; break; +#endif +#if FEATURE_texture_s3tc case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_RGB_S3TC: mesaFormat = MESA_FORMAT_RGB_DXT1; @@ -224,6 +233,21 @@ _mesa_compressed_texture_size_glenum(GLcontext *ctx, case GL_RGBA4_S3TC: mesaFormat = MESA_FORMAT_RGBA_DXT5; break; +#if FEATURE_EXT_texture_sRGB + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + mesaFormat = MESA_FORMAT_SRGB_DXT1; + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + mesaFormat = MESA_FORMAT_SRGBA_DXT1; + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + mesaFormat = MESA_FORMAT_SRGBA_DXT3; + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + mesaFormat = MESA_FORMAT_SRGBA_DXT5; + break; +#endif +#endif default: return 0; } @@ -245,18 +269,30 @@ _mesa_compressed_row_stride(GLuint mesaFormat, GLsizei width) GLint stride; switch (mesaFormat) { +#if FEATURE_texture_fxt1 case MESA_FORMAT_RGB_FXT1: case MESA_FORMAT_RGBA_FXT1: stride = ((width + 7) / 8) * 16; /* 16 bytes per 8x4 tile */ break; +#endif +#if FEATURE_texture_s3tc case MESA_FORMAT_RGB_DXT1: case MESA_FORMAT_RGBA_DXT1: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGB_DXT1: + case MESA_FORMAT_SRGBA_DXT1: +#endif stride = ((width + 3) / 4) * 8; /* 8 bytes per 4x4 tile */ break; case MESA_FORMAT_RGBA_DXT3: case MESA_FORMAT_RGBA_DXT5: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGBA_DXT3: + case MESA_FORMAT_SRGBA_DXT5: +#endif stride = ((width + 3) / 4) * 16; /* 16 bytes per 4x4 tile */ break; +#endif default: _mesa_problem(NULL, "bad mesaFormat in _mesa_compressed_row_stride"); return 0; @@ -293,18 +329,30 @@ _mesa_compressed_image_address(GLint col, GLint row, GLint img, */ switch (mesaFormat) { +#if FEATURE_texture_fxt1 case MESA_FORMAT_RGB_FXT1: case MESA_FORMAT_RGBA_FXT1: addr = (GLubyte *) image + 16 * (((width + 7) / 8) * (row / 4) + col / 8); break; +#endif +#if FEATURE_texture_s3tc case MESA_FORMAT_RGB_DXT1: case MESA_FORMAT_RGBA_DXT1: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGB_DXT1: + case MESA_FORMAT_SRGBA_DXT1: +#endif addr = (GLubyte *) image + 8 * (((width + 3) / 4) * (row / 4) + col / 4); break; case MESA_FORMAT_RGBA_DXT3: case MESA_FORMAT_RGBA_DXT5: +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGBA_DXT3: + case MESA_FORMAT_SRGBA_DXT5: +#endif addr = (GLubyte *) image + 16 * (((width + 3) / 4) * (row / 4) + col / 4); break; +#endif default: _mesa_problem(NULL, "bad mesaFormat in _mesa_compressed_image_address"); addr = NULL; |