When deciding if a clear color is suitable for fast clear,
take into account if a color channel is active in the
buffer format.
---
src/mesa/drivers/dri/i965/brw_blorp_clear.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
index fd18b45..d16da97 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
+++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
@@ -153,7 +153,8 @@ is_color_fast_clear_compatible(struct brw_context *brw,
return false;
for (int i = 0; i < 4; i++) {
- if (color->f[i] != 0.0 && color->f[i] != 1.0) {
+ if (color->f[i] != 0.0 && color->f[i] != 1.0 &&
+ _mesa_format_has_color_component(format, i)) {
perf_debug("Clear color unsupported by fast color clear. "
"Falling back to slow clear.\n");
return false;
--
1.8.1.2
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