diff options
| author | Marek Olšák <maraeo@gmail.com> | 2010-03-13 06:07:33 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2010-03-13 18:23:27 +0100 |
| commit | bcec6d851ce6ec2d948f03e5a1adfb5871e4e627 (patch) | |
| tree | 9c989e991db8886d7c39e982be108d837ef45f33 /src/gallium/winsys/drm | |
| parent | e31bca139f720396d1a1639b46d37aee4fd9736e (diff) | |
r300g: refrain from using immediate mode if it causes slowdown
E.g. when mapping buffers could flush CS or cause waiting
for a busy buffer.
The side effect of this is it also fixes progs/demos/arbocclude however
a separate fix should be proposed to address this issue in other cases
it might occur.
Diffstat (limited to 'src/gallium/winsys/drm')
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_buffer.c | 14 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_winsys.h | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c index daa032af6f..25b58b2926 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c @@ -213,6 +213,18 @@ static void radeon_buffer_unmap(struct pipe_winsys *ws, } } +static boolean radeon_is_buffer_referenced(struct radeon_winsys *ws, + struct pipe_buffer *buffer) +{ + struct radeon_pipe_buffer *radeon_buffer = + (struct radeon_pipe_buffer*)buffer; + uint32_t domain; + + /* Referenced by CS or HW. */ + return radeon_bo_is_referenced_by_cs(radeon_buffer->bo, ws->priv->cs) || + radeon_bo_is_busy(radeon_buffer->bo, &domain); +} + static void radeon_buffer_set_tiling(struct radeon_winsys *ws, struct pipe_buffer *buffer, uint32_t pitch, @@ -370,5 +382,7 @@ struct radeon_winsys* radeon_pipe_winsys(int fd) radeon_ws->buffer_from_handle = radeon_buffer_from_handle; radeon_ws->buffer_get_handle = radeon_buffer_get_handle; + radeon_ws->is_buffer_referenced = radeon_is_buffer_referenced; + return radeon_ws; } diff --git a/src/gallium/winsys/drm/radeon/core/radeon_winsys.h b/src/gallium/winsys/drm/radeon/core/radeon_winsys.h index 37eeb45979..887a381cc4 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_winsys.h +++ b/src/gallium/winsys/drm/radeon/core/radeon_winsys.h @@ -118,6 +118,9 @@ struct radeon_winsys { uint32_t pitch, boolean microtiled, boolean macrotiled); + + boolean (*is_buffer_referenced)(struct radeon_winsys *winsys, + struct pipe_buffer *buffer); }; #endif |