Mesa (master): mesa: Set gl_constants::MinMapBufferAlignment
Ian Romanick
idr at kemper.freedesktop.org
Thu Jan 23 17:00:39 UTC 2014
Module: Mesa
Branch: master
Commit: e4fcae0755d8a369b657f2ada22815ea77312fbe
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e4fcae0755d8a369b657f2ada22815ea77312fbe
Author: Ian Romanick <ian.d.romanick at intel.com>
Date: Wed Jan 22 08:28:49 2014 -0800
mesa: Set gl_constants::MinMapBufferAlignment
Leaving it set to zero isn't really correct since every allocation has
at least an alignment of 1 byte. It also caused a problem in the i965
driver after I removed the MAX(64, ...) from the alignment calculation.
That's what I get for changing a patch without retesting it. :(
Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73907
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Cc: Lu Hua <huax.lu at intel.com>
---
src/mesa/main/context.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 7c3b2d7..b7cd568 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -587,6 +587,7 @@ _mesa_init_constants(struct gl_context *ctx)
ctx->Const.MaxSpotExponent = 128.0;
ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH;
ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT;
+ ctx->Const.MinMapBufferAlignment = 1;
/* Driver must override these values if ARB_viewport_array is supported. */
ctx->Const.MaxViewports = 1;
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