From: José Fonseca <jrfonseca@tungstengraphics.com>
Date: Mon, 24 Nov 2008 04:45:19 +0000 (+0900)
Subject: gallium: Define convenience shortcuts for CPU/GPU READ/WRITE flag combinations.
X-Git-Tag: mesa-7.8~4139^2~390^2~177
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d600c805c08288757185ce3af24b5f0a866bb0b2;p=platform%2Fupstream%2Fmesa.git

gallium: Define convenience shortcuts for CPU/GPU READ/WRITE flag combinations.
---

diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index cda10a2..dc8a92d 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -204,6 +204,14 @@ enum pipe_texture_target {
 /** Pipe driver custom usage flags should be greater or equal to this value */
 #define PIPE_BUFFER_USAGE_CUSTOM    (1 << 16)
 
+/* Convenient shortcuts */
+#define PIPE_BUFFER_USAGE_CPU_READ_WRITE \
+   ( PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE )
+#define PIPE_BUFFER_USAGE_GPU_READ_WRITE \
+   ( PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE )
+#define PIPE_BUFFER_USAGE_WRITE \
+   ( PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_GPU_WRITE )
+
 
 /** 
  * Flush types: