diff options
| author | Marek Olšák <[email protected]> | 2014-02-03 03:21:29 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2014-02-06 17:30:00 +0100 |
| commit | eeb5a4a50e1317a7f8d9e168c962ce3b1d7b36f9 (patch) | |
| tree | 8678a3a93a4b3595c1aadf391c7e9d48789c3928 /src/gallium/include | |
| parent | ed84fb3167aa3a048dedaf7cbd865e306b971d50 (diff) | |
gallium: define the behavior of PIPE_USAGE_* flags properly
STATIC will be removed in the following commit.
v2: changed the definition of IMMUTABLE
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/gallium/include')
| -rw-r--r-- | src/gallium/include/pipe/p_defines.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 183726c0666..85385380970 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -356,13 +356,14 @@ enum pipe_flush_flags { #define PIPE_RESOURCE_FLAG_ST_PRIV (1 << 24) /* state-tracker/winsys private */ /* Hint about the expected lifecycle of a resource. + * Sorted according to GPU vs CPU access. */ -#define PIPE_USAGE_DEFAULT 0 /* many uploads, draws intermixed */ -#define PIPE_USAGE_DYNAMIC 1 /* many uploads, draws intermixed */ -#define PIPE_USAGE_STATIC 2 /* same as immutable?? */ -#define PIPE_USAGE_IMMUTABLE 3 /* no change after first upload */ -#define PIPE_USAGE_STREAM 4 /* upload, draw, upload, draw */ -#define PIPE_USAGE_STAGING 5 /* supports data transfers from the GPU to the CPU */ +#define PIPE_USAGE_DEFAULT 0 /* fast GPU access */ +#define PIPE_USAGE_IMMUTABLE 1 /* fast GPU access, immutable */ +#define PIPE_USAGE_DYNAMIC 2 /* uploaded data is used multiple times */ +#define PIPE_USAGE_STREAM 3 /* uploaded data is used once */ +#define PIPE_USAGE_STAGING 4 /* fast CPU access */ +#define PIPE_USAGE_STATIC 5 /* same as DEFAULT, will be removed */ /** |