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authorMarek Olšák <[email protected]>2013-02-27 23:50:15 +0100
committerMarek Olšák <[email protected]>2013-03-01 13:46:32 +0100
commit89e2898e9ecfcf93c337b99542b06892a8e30cbe (patch)
treecc04229ada84b24ff72eeb2969f2a1a8723fe7e6 /src/gallium/drivers/r600/evergreen_state.c
parent44f37261fc34763003314245a811cfd21ce6fc87 (diff)
r600g: always map uninitialized buffer range as unsynchronized
Any driver can implement this simple and efficient optimization. Team Fortress 2 hits it always. The DISCARD_RANGE codepath is not even used with TF2 anymore, so we avoid a ton of useless buffer copies. Tested-by: Andreas Boll <[email protected]> NOTE: This is a candidate for the 9.1 branch.
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 41dd70e5ab1..97f91df374c 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1377,6 +1377,10 @@ void evergreen_init_color_surface_rat(struct r600_context *rctx,
* elements. */
surf->cb_color_dim = pipe_buffer->width0;
+ /* Set the buffer range the GPU will have access to: */
+ util_range_add(&r600_resource(pipe_buffer)->valid_buffer_range,
+ 0, pipe_buffer->width0);
+
surf->cb_color_cmask = surf->cb_color_base;
surf->cb_color_cmask_slice = 0;
surf->cb_color_fmask = surf->cb_color_base;