[Mesa-dev] [PATCH 3/5] mesa: add missing integer alpha formats to _mesa_base_fbo_format

[Marek Olšák]

---
 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:
-- 
1.7.5.4