diff options
| author | Marek Olšák <[email protected]> | 2010-05-02 01:48:57 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2010-05-02 12:56:33 +0200 |
| commit | 5c6ea462be7c589d98887b822751bffd6df13418 (patch) | |
| tree | 1f29ca210754c21440c99c2f8ebfb53a1807ee4e /src/gallium/winsys | |
| parent | fc1be4a99425d09103bba9e06026f31f2b0142d2 (diff) | |
r300g: cache tiling flags to reduce the number of DRM calls
Diffstat (limited to 'src/gallium/winsys')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_drm_buffer.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c index 9824ada5b33..b8366498922 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_buffer.c @@ -22,6 +22,8 @@ struct radeon_drm_buffer { boolean flinked; uint32_t flink; + uint32_t tileflags; + uint32_t pitch; struct radeon_drm_buffer *next, *prev; }; @@ -318,6 +320,9 @@ void radeon_drm_bufmgr_get_tiling(struct pb_buffer *_buf, radeon_bo_get_tiling(buf->bo, &flags, &pitch); + buf->tileflags = flags; + buf->pitch = pitch; + *microtiled = R300_BUFFER_LINEAR; *macrotiled = R300_BUFFER_LINEAR; if (flags & RADEON_BO_FLAGS_MICRO_TILE) @@ -333,7 +338,7 @@ void radeon_drm_bufmgr_set_tiling(struct pb_buffer *_buf, uint32_t pitch) { struct radeon_drm_buffer *buf = get_drm_buffer(_buf); - uint32_t flags = 0, old_flags, old_pitch; + uint32_t flags = 0; if (microtiled == R300_BUFFER_TILED) flags |= RADEON_BO_FLAGS_MICRO_TILE; /* XXX Remove this ifdef when libdrm version 2.4.19 becomes mandatory. */ @@ -344,17 +349,15 @@ void radeon_drm_bufmgr_set_tiling(struct pb_buffer *_buf, if (macrotiled == R300_BUFFER_TILED) flags |= RADEON_BO_FLAGS_MACRO_TILE; - radeon_bo_get_tiling(buf->bo, &old_flags, &old_pitch); - - if (flags != old_flags || pitch != old_pitch) { + if (flags != buf->tileflags || pitch != buf->pitch) { /* Tiling determines how DRM treats the buffer data. * We must flush CS when changing it if the buffer is referenced. */ if (radeon_bo_is_referenced_by_cs(buf->bo, buf->mgr->rws->cs)) { buf->mgr->rws->flush_cb(buf->mgr->rws->flush_data); } - } - radeon_bo_set_tiling(buf->bo, flags, pitch); + radeon_bo_set_tiling(buf->bo, flags, pitch); + } } boolean radeon_drm_bufmgr_add_buffer(struct pb_buffer *_buf, |