From 07ff7c2285d9cb10ca52d7de7a6b86fd00379d6f Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Mon, 17 Mar 2008 16:47:42 +0800
Subject: [PATCH] mesa: Follow GL spec to draw DEPTH_COMPONENT pixels when
 there's no depth buffer. Fix bug #11580

---
 src/mesa/main/drawpix.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index c82abccc41a..a001cf172c7 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -105,8 +105,7 @@ error_check_format_type(GLcontext *ctx, GLenum format, GLenum type,
       }
       break;
    case GL_DEPTH_COMPONENT:
-      if ((drawing && !_mesa_dest_buffer_exists(ctx, format)) ||
-          (!drawing && !_mesa_source_buffer_exists(ctx, format))) {
+      if (!drawing && !_mesa_source_buffer_exists(ctx, format)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "gl%sPixels(no depth buffer)", readDraw);
          return GL_TRUE;
-- 
2.30.2