Mesa (master): mesa: Support internalFormat=GL_BGRA for DRI drivers

[Kristian Høgsberg]

Module: Mesa
Branch: master
Commit: 3fe0185ba506b830b86f0e39d2e366400ecffae6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3fe0185ba506b830b86f0e39d2e366400ecffae6

Author: Kristian Høgsberg <krh at bitplanet.net>
Date:   Wed Jan 26 15:05:46 2011 -0500

mesa: Support internalFormat=GL_BGRA for DRI drivers

---

 src/mesa/main/texformat.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 146b2b3..2542cea 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -591,6 +591,17 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       }
    }
 
+   if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+      switch (internalFormat) {
+      case GL_BGRA:
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+	 break;
+
+      default:
+         ; /* fallthrough */
+      }
+   }
+
    _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
    return MESA_FORMAT_NONE;
 }