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path: root/src/mesa/drivers/dri/sis/sis_state.c
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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_state.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis_state.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_state.c b/src/mesa/drivers/dri/sis/sis_state.c
index 1a4c324115..a30001c746 100644
--- a/src/mesa/drivers/dri/sis/sis_state.c
+++ b/src/mesa/drivers/dri/sis/sis_state.c
@@ -251,7 +251,7 @@ sisDDDepthMask( GLcontext * ctx, GLboolean flag )
if (ctx->Visual.stencilBits) {
if (flag || (ctx->Stencil.WriteMask[0] != 0)) {
current->hwCapEnable |= MASK_ZWriteEnable;
- if (flag && (ctx->Stencil.WriteMask[0] == 0xff)) {
+ if (flag && ((ctx->Stencil.WriteMask[0] & 0xff) == 0xff)) {
current->hwCapEnable2 &= ~MASK_ZMaskWriteEnable;
} else {
current->hwCapEnable2 |= MASK_ZMaskWriteEnable;