This improves GLX DRI3 GPU offloading significantly on CPU
bound benchmarks particularly.
No performance impact for DRI2 GPU offloading.
v2: Add missing tests
Signed-off-by: Axel Davy <axel.d...@ens.fr>
Reviewed-by: Marek Olšák<marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_blit.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_blit.c
b/src/gallium/drivers/radeonsi/si_blit.c
index 8c3e136..6162dfa 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -730,6 +730,25 @@ static void si_blit(struct pipe_context *ctx,
return;
}
+ if (info->src.box.width == info->dst.box.width &&
+ info->src.box.height == info->dst.box.height &&
+ info->src.format == info->dst.format &&
+ info->src.box.width > 0 &&
+ info->src.box.height > 0 &&
+ info->src.resource->nr_samples <= 1 &&
+ info->dst.resource->nr_samples <= 1 &&
+ info->src.box.depth == info->dst.box.depth &&
+ info->mask == PIPE_MASK_RGBA &&
+ !info->scissor_enable &&
+ (!info->render_condition_enable ||
+ !sctx->b.current_render_cond)) {
+ sctx->b.dma_copy(ctx, info->dst.resource, info->dst.level,
+ info->dst.box.x, info->dst.box.y,
+ info->dst.box.z, info->src.resource,
+ info->src.level, &(info->src.box));
+ return;
+ }
+
assert(util_blitter_is_blit_supported(sctx->blitter, info));
/* The driver doesn't decompress resources automatically while
--
1.9.1
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
