Mesa (master): rgtc: Detect RGTC formats as color formats and as compressed formats

[Ian Romanick]

Module: Mesa
Branch: master
Commit: 1ca6cbec1b1168b55fecb264d4e75a26de2cccaf
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1ca6cbec1b1168b55fecb264d4e75a26de2cccaf

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Fri Oct  1 16:40:14 2010 -0700

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

---

 src/mesa/main/image.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 3951b6a..ce10b3b 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -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;
    }