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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_render.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_render.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index f9266e44c13..16ce4a11999 100644
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -347,6 +347,8 @@ static GLboolean r300RunRender(GLcontext * ctx,
static int r300Fallback(GLcontext * ctx)
{
r300ContextPtr r300 = R300_CONTEXT(ctx);
+ const unsigned back = ctx->Stencil._BackFace;
+
/* Do we need to use new-style shaders?
* Also is there a better way to do this? */
if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
@@ -371,12 +373,14 @@ static int r300Fallback(GLcontext * ctx)
FALLBACK_IF(ctx->RenderMode != GL_RENDER);
- FALLBACK_IF(ctx->Stencil._TestTwoSide
- && (ctx->Stencil.Ref[0] != ctx->Stencil.Ref[1]
- || ctx->Stencil.ValueMask[0] !=
- ctx->Stencil.ValueMask[1]
- || ctx->Stencil.WriteMask[0] !=
- ctx->Stencil.WriteMask[1]));
+ /* If GL_EXT_stencil_two_side is disabled, this fallback check can
+ * be removed.
+ */
+ FALLBACK_IF(ctx->Stencil.Ref[0] != ctx->Stencil.Ref[back]
+ || ctx->Stencil.ValueMask[0] !=
+ ctx->Stencil.ValueMask[back]
+ || ctx->Stencil.WriteMask[0] !=
+ ctx->Stencil.WriteMask[back]);
if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite)
FALLBACK_IF(ctx->Point.PointSprite);