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-rw-r--r--src/gallium/drivers/r600/r600_texture.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index f86a12c4688..f3b9eb11159 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -1794,6 +1794,16 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
!(tex->resource.external_usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH))
continue;
+ /* Use a slow clear for small surfaces where the cost of
+ * the eliminate pass can be higher than the benefit of fast
+ * clear. AMDGPU-pro does this, but the numbers may differ.
+ *
+ * This helps on both dGPUs and APUs, even small ones.
+ */
+ if (tex->resource.b.b.nr_samples <= 1 &&
+ tex->resource.b.b.width0 * tex->resource.b.b.height0 <= 300 * 300)
+ continue;
+
{
/* 128-bit formats are unusupported */
if (tex->surface.bpe > 8) {