diff options
| author | Michel Dänzer <[email protected]> | 2009-10-02 18:13:26 +0200 |
|---|---|---|
| committer | Michel Dänzer <[email protected]> | 2009-10-02 18:13:26 +0200 |
| commit | 47e41b024e325f69ed514e551a6824afa58f1db6 (patch) | |
| tree | 5b98f65f5d67e2a1a450ad681bc64bf229a198d2 /src/gallium/include/pipe | |
| parent | 7d4b348c67dbc2eff1d7dd0c043a76bc0eae57ab (diff) | |
gallium: Preparations for adding more PIPE_TRANSFER_* usage flags.
Always test for PIPE_TRANSFER_READ/WRITE using the bit-wise and operator, and
add a pipe_transfer_buffer_flags() helper for getting the buffer usage flags
corresponding to them.
Diffstat (limited to 'src/gallium/include/pipe')
| -rw-r--r-- | src/gallium/include/pipe/p_inlines.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h index 30a4aaf4093..5fbd62a03d2 100644 --- a/src/gallium/include/pipe/p_inlines.h +++ b/src/gallium/include/pipe/p_inlines.h @@ -176,6 +176,22 @@ pipe_transfer_destroy( struct pipe_transfer *transf ) screen->tex_transfer_destroy(transf); } +static INLINE unsigned +pipe_transfer_buffer_flags( struct pipe_transfer *transf ) +{ + switch (transf->usage & PIPE_TRANSFER_READ_WRITE) { + case PIPE_TRANSFER_READ_WRITE: + return PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE; + case PIPE_TRANSFER_READ: + return PIPE_BUFFER_USAGE_CPU_READ; + case PIPE_TRANSFER_WRITE: + return PIPE_BUFFER_USAGE_CPU_WRITE; + default: + debug_assert(0); + return 0; + } +} + #ifdef __cplusplus } #endif |