summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorYounes Manton <younes.m@gmail.com>2009-01-14 00:21:24 -0500
committerYounes Manton <younes.m@gmail.com>2009-01-18 21:40:10 -0500
commit0521c2682a3249562ff6a3d6ab6c90d1d63b82a3 (patch)
tree2e15f6e7d70b5937967df921dffc44b625e1e927 /src
parent11f91936f21c1ab0b38f0f84bb2cbf82f9cadece (diff)
gallium: Add PIPE_BUFFER_USAGE_DISCARD.
When passed to map() signals that the buffer's previous contents are not required, allowing the driver to allocate a new buffer if the current buffer can not be mapped immediately.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/include/pipe/p_defines.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 5c6a92b53b..4f0b301f31 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -204,6 +204,7 @@ enum pipe_texture_target {
#define PIPE_BUFFER_USAGE_VERTEX (1 << 5)
#define PIPE_BUFFER_USAGE_INDEX (1 << 6)
#define PIPE_BUFFER_USAGE_CONSTANT (1 << 7)
+#define PIPE_BUFFER_USAGE_DISCARD (1 << 8)
/** Pipe driver custom usage flags should be greater or equal to this value */
#define PIPE_BUFFER_USAGE_CUSTOM (1 << 16)