From: Maciej Cencora <m.cencora@gmail.com>
Date: Wed, 10 Mar 2010 21:31:53 +0000 (+0100)
Subject: radeon: fallback to sw ReadPixels if color logicop is enabled
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3198cd4a65b135005515c6dd35d006330ce31c94;p=mesa.git

radeon: fallback to sw ReadPixels if color logicop is enabled

Fixes glean/logicOp (regressed after introducing hw accelerated support for ReadPixels)
---

diff --git a/src/mesa/drivers/dri/radeon/radeon_pixel_read.c b/src/mesa/drivers/dri/radeon/radeon_pixel_read.c
index 27841938e66..b180c1d9a5c 100644
--- a/src/mesa/drivers/dri/radeon/radeon_pixel_read.c
+++ b/src/mesa/drivers/dri/radeon/radeon_pixel_read.c
@@ -96,7 +96,7 @@ do_blit_readpixels(GLcontext * ctx,
         return GL_FALSE;
     }
 
-    if (ctx->_ImageTransferState) {
+    if (ctx->_ImageTransferState || ctx->Color._LogicOpEnabled) {
         return GL_FALSE;
     }