Mesa (master): mesa: add missing integer alpha formats to _mesa_base_fbo_format

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 636802f615bb1ef192e3c4c3b9ab0d1c83c5ebe0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=636802f615bb1ef192e3c4c3b9ab0d1c83c5ebe0

Author: Marek Olšák <maraeo at gmail.com>
Date:   Sun Jan 22 20:21:36 2012 +0100

mesa: add missing integer alpha formats to _mesa_base_fbo_format

Reviewed-by: Brian Paul <brianp at vmware.com>

---

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

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 2b3ac2e..eaf2c46 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1280,6 +1280,15 @@ _mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
       return ctx->Extensions.EXT_texture_integer &&
              ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
 
+   case GL_ALPHA8I_EXT:
+   case GL_ALPHA8UI_EXT:
+   case GL_ALPHA16I_EXT:
+   case GL_ALPHA16UI_EXT:
+   case GL_ALPHA32I_EXT:
+   case GL_ALPHA32UI_EXT:
+      return ctx->Extensions.EXT_texture_integer &&
+             ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+
    case GL_RGB10_A2UI:
       return ctx->Extensions.ARB_texture_rgb10_a2ui ? GL_RGBA : 0;
    default: