diff options
| author | Marek Olšák <[email protected]> | 2013-07-01 02:31:22 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2013-07-08 20:25:18 +0200 |
| commit | 287b2fa115f95f675f7b7915777ed29d8e9d6f44 (patch) | |
| tree | 50bd4579386a1f265d9d66c3edc29c65eebb3001 /src | |
| parent | 7948ed1250cae78ae1b22dbce4ab23aceacc6159 (diff) | |
r600g: explicitly flush caches for streamout-based buffer copying & clearing
It's done automatically for vertex buffers, but not for constant buffers,
textures, and colorbuffers.
Reviewed-by: Alex Deucher <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/r600/r600_blit.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c index ba5d4ea6e7f..2230e7bbdea 100644 --- a/src/gallium/drivers/r600/r600_blit.c +++ b/src/gallium/drivers/r600/r600_blit.c @@ -569,9 +569,17 @@ void r600_copy_buffer(struct pipe_context *ctx, struct pipe_resource *dst, unsig else if (rctx->screen->has_streamout && /* Require 4-byte alignment. */ dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) { + + /* Flush both resources. */ + r600_flag_resource_cache_flush(rctx, src); + r600_flag_resource_cache_flush(rctx, dst); + r600_blitter_begin(ctx, R600_COPY_BUFFER); util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width); r600_blitter_end(ctx); + + /* Flush the dst in case the 3D engine has been prefetching the resource. */ + r600_flag_resource_cache_flush(rctx, dst); } else { util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box); } @@ -594,10 +602,15 @@ static void r600_clear_buffer(struct pipe_context *ctx, struct pipe_resource *ds clear_value.ui[0] = v | (v << 8) | (v << 16) | (v << 24); + r600_flag_resource_cache_flush(rctx, dst); + r600_blitter_begin(ctx, R600_DISABLE_RENDER_COND); util_blitter_clear_buffer(rctx->blitter, dst, offset, size, 1, &clear_value); r600_blitter_end(ctx); + + /* Flush again in case the 3D engine has been prefetching the resource. */ + r600_flag_resource_cache_flush(rctx, dst); } else { char *map = r600_buffer_mmap_sync_with_rings(rctx, r600_resource(dst), PIPE_TRANSFER_WRITE); |