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-rw-r--r--src/gallium/drivers/radeonsi/si_blit.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index 3cfd0114d51..1147b5b3e22 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -1096,11 +1096,30 @@ static void si_blit(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct si_context *sctx = (struct si_context*)ctx;
+ struct r600_texture *rdst = (struct r600_texture *)info->dst.resource;
if (do_hardware_msaa_resolve(ctx, info)) {
return;
}
+ /* Using SDMA for copying to a linear texture in GTT is much faster.
+ * This improves DRI PRIME performance.
+ *
+ * resource_copy_region can't do this yet, because dma_copy calls it
+ * on failure (recursion).
+ */
+ if (rdst->surface.level[info->dst.level].mode ==
+ RADEON_SURF_MODE_LINEAR_ALIGNED &&
+ sctx->b.dma_copy &&
+ util_can_blit_via_copy_region(info, false)) {
+ 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