---
src/mesa/main/formatquery.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index 73eeba4..39ac07e 100644
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -577,6 +577,10 @@ _mesa_query_internal_format_default(struct gl_context
*ctx, GLenum target,
params[0] = GL_TRUE;
break;
+ case GL_INTERNALFORMAT_PREFERRED:
+ params[0] = internalFormat;
+ break;
+
default:
_set_default_response(pname, params);
break;
@@ -657,7 +661,16 @@ _mesa_GetInternalformativ(GLenum target, GLenum
internalformat, GLenum pname,
break;
case GL_INTERNALFORMAT_PREFERRED:
- /* @TODO */
+ /* The ARB_internalformat_query2 spec says:
+ *
+ * "- INTERNALFORMAT_PREFERRED: The implementation-preferred internal
+ * format for representing resources of the specified
<internalformat> is
+ * returned in <params>.
+ *
+ * Therefore, we let the driver answer.
+ */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_INTERNALFORMAT_RED_SIZE:
--
2.5.3
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