From: Marek Olšák <maraeo@gmail.com>
Date: Sun, 22 Jan 2012 19:21:36 +0000 (+0100)
Subject: mesa: add missing integer alpha formats to _mesa_base_fbo_format
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=636802f615bb1ef192e3c4c3b9ab0d1c83c5ebe0;p=mesa.git

mesa: add missing integer alpha formats to _mesa_base_fbo_format

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

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 2b3ac2e25bf..eaf2c46b8dc 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: