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-rw-r--r--src/mesa/drivers/dri/intel/intel_clear.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
index cfddabd3182..630d2adab87 100644
--- a/src/mesa/drivers/dri/intel/intel_clear.c
+++ b/src/mesa/drivers/dri/intel/intel_clear.c
@@ -150,14 +150,18 @@ intelClear(GLcontext *ctx, GLbitfield mask)
/* SW fallback clearing */
swrast_mask = mask & ~tri_mask & ~blit_mask;
- for (i = 0; i < BUFFER_COUNT; i++) {
- GLuint bufBit = 1 << i;
- if ((blit_mask | tri_mask) & bufBit) {
+ {
+ /* look for non-Intel renderbuffers (clear them with swrast) */
+ GLbitfield blit_or_tri = blit_mask | tri_mask;
+ while (blit_or_tri) {
+ GLuint i = _mesa_ffs(blit_or_tri) - 1;
+ GLbitfield bufBit = 1 << i;
if (!fb->Attachment[i].Renderbuffer->ClassID) {
blit_mask &= ~bufBit;
tri_mask &= ~bufBit;
swrast_mask |= bufBit;
}
+ blit_or_tri ^= bufBit;
}
}