diff options
Diffstat (limited to 'src/mesa/main/texcompress.c')
| -rw-r--r-- | src/mesa/main/texcompress.c | 102 |
1 files changed, 47 insertions, 55 deletions
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c index 04f0f3ab138..c1b8c7675a2 100644 --- a/src/mesa/main/texcompress.c +++ b/src/mesa/main/texcompress.c @@ -57,66 +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.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) { - if (all) { - /* according to sRGB spec, these should not be returned - via the GL_COMPRESSED_TEXTURE_FORMATS query as they - aren't really general purpose */ - 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 { - if (all) - n += 4; - } - } -#endif /* 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; } - 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; - } + else { + n += 4; } } +#endif /* FEATURE_EXT_texture_sRGB */ return n; } |