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-rw-r--r--src/mesa/main/texformat.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 2542cea856..72025cf828 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -602,6 +602,25 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
}
}
+ if (ctx->Extensions.ARB_texture_compression_rgtc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RED_RGTC1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
+ break;
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1);
+ break;
+ case GL_COMPRESSED_RG_RGTC2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
+ break;
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
_mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
return MESA_FORMAT_NONE;
}