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rgtc: Detect RGTC formats as color formats and as compressed formats

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This commit is contained in:
Ian Romanick
2010-10-01 16:40:14 -07:00
parent 5ebbabc5cc
commit 1ca6cbec1b
1 changed files with 9 additions and 0 deletions
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src/mesa/main/image.c
+9
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@@ -695,6 +695,10 @@ _mesa_is_color_format(GLenum format)
case GL_COMPRESSED_SLUMINANCE_EXT:
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
#endif /* FEATURE_EXT_texture_sRGB */
case GL_COMPRESSED_RED_RGTC1:
case GL_COMPRESSED_SIGNED_RED_RGTC1:
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
return GL_TRUE;
/* signed texture formats */
case GL_RGBA_SNORM:
@@ -887,6 +891,11 @@ _mesa_is_compressed_format(GLcontext *ctx, GLenum format)
case GL_COMPRESSED_RGB_FXT1_3DFX:
case GL_COMPRESSED_RGBA_FXT1_3DFX:
return ctx->Extensions.TDFX_texture_compression_FXT1;
case GL_COMPRESSED_RED_RGTC1:
case GL_COMPRESSED_SIGNED_RED_RGTC1:
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SIGNED_RG_RGTC2:
return ctx->Extensions.ARB_texture_compression_rgtc;
default:
return GL_FALSE;
}