diff options
| author | Marek Olšák <[email protected]> | 2011-08-07 19:18:16 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2011-08-16 09:15:11 +0200 |
| commit | ebfcc58b93cc08c534857c2314694e35b29690ae (patch) | |
| tree | 7bc3971d29de8880b2c8136500b7362eb2ad88e6 /src | |
| parent | 1e3c81a068c4ae04cd1c6b18c687d5be69b7b8c4 (diff) | |
winsys/radeon: take advantage of the new ioctl
Reviewed-by: Alex Deucher <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c index 5c91ec48942..adfbefd897b 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c @@ -197,13 +197,33 @@ static void *radeon_bo_map_internal(struct pb_buffer *_buf, if (!(flags & PB_USAGE_UNSYNCHRONIZED)) { /* DONTBLOCK doesn't make sense with UNSYNCHRONIZED. */ if (flags & PB_USAGE_DONTBLOCK) { - if (radeon_bo_is_referenced_by_cs(cs, bo)) { - cs->flush_cs(cs->flush_data, RADEON_FLUSH_ASYNC); - return NULL; - } + if (!(flags & PB_USAGE_CPU_WRITE)) { + /* Mapping for read. + * + * Since we are mapping for read, we don't need to wait + * if the GPU is using the buffer for read too + * (neither one is changing it). + * + * Only check whether the buffer is being used for write. */ + if (radeon_bo_is_referenced_by_cs_for_write(cs, bo)) { + cs->flush_cs(cs->flush_data, RADEON_FLUSH_ASYNC); + return NULL; + } - if (radeon_bo_is_busy((struct pb_buffer*)bo, RADEON_USAGE_READWRITE)) { - return NULL; + if (radeon_bo_is_busy((struct pb_buffer*)bo, + RADEON_USAGE_WRITE)) { + return NULL; + } + } else { + if (radeon_bo_is_referenced_by_cs(cs, bo)) { + cs->flush_cs(cs->flush_data, RADEON_FLUSH_ASYNC); + return NULL; + } + + if (radeon_bo_is_busy((struct pb_buffer*)bo, + RADEON_USAGE_READWRITE)) { + return NULL; + } } } else { if (!(flags & PB_USAGE_CPU_WRITE)) { @@ -216,13 +236,9 @@ static void *radeon_bo_map_internal(struct pb_buffer *_buf, * Only check whether the buffer is being used for write. */ if (radeon_bo_is_referenced_by_cs_for_write(cs, bo)) { cs->flush_cs(cs->flush_data, 0); - radeon_bo_wait((struct pb_buffer*)bo, - RADEON_USAGE_READWRITE); - } else { - /* XXX We could check whether the buffer is busy for write here. */ - radeon_bo_wait((struct pb_buffer*)bo, - RADEON_USAGE_READWRITE); } + radeon_bo_wait((struct pb_buffer*)bo, + RADEON_USAGE_WRITE); } else { /* Mapping for write. */ if (radeon_bo_is_referenced_by_cs(cs, bo)) { |