Hi,
I am not exactly sure about this one.
But at least the the OpenGL state stracker misses the translation of the
GL_MAP_INVALIDATE_*_BITs.
I would guess that the attached patch is an appropriate tranlsation of these
into the PIPE_TRANSFER_DISCARD flag.
Please review/apply.
Thanks!
Mathias
From 49e9d2e31719daaa7565db8c6d4f6500e43f1bfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Fr=C3=B6hlich?= <mathias.froehl...@web.de>
Date: Sat, 30 Oct 2010 15:38:39 +0200
Subject: [PATCH 1/1] Add missing map range bits to the state tracker.
---
src/mesa/state_tracker/st_cb_bufferobjects.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c
index 27540c3..2adc44a 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -273,6 +273,12 @@ st_bufferobj_map_range(struct gl_context *ctx, GLenum target,
if (access & GL_MAP_FLUSH_EXPLICIT_BIT)
flags |= PIPE_TRANSFER_FLUSH_EXPLICIT;
+
+ if (access & GL_MAP_INVALIDATE_RANGE_BIT)
+ flags |= PIPE_TRANSFER_DISCARD;
+
+ if (access & GL_MAP_INVALIDATE_BUFFER_BIT)
+ flags |= PIPE_TRANSFER_DISCARD;
if (access & GL_MAP_UNSYNCHRONIZED_BIT)
flags |= PIPE_TRANSFER_UNSYNCHRONIZED;
--
1.7.2.3
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