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authorMarek Olšák <[email protected]>2017-06-10 01:07:59 +0200
committerMarek Olšák <[email protected]>2017-06-22 01:51:02 +0200
commitb677e96078889140ad1549cb7b94b0a33c10f7ba (patch)
treee11326c728215c9609b80f2bdde5d4d15a27c4bb /src/mesa/main/blend.c
parent37b834923d31bb170ffbfac882476659060b78b2 (diff)
mesa: use DriverFlags.NewAlphaTest to communicate alphatest changes to st/mesa
Now AlphaFunc avoids the blend state update in st/mesa and avoids _mesa_update_state_locked. The GL_ALPHA_TEST enable won't trigger blend state updates in st/mesa after st/mesa stops relying on _NEW_COLOR. Reviewed-by: Nicolai Hähnle <[email protected]> Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Timothy Arceri <[email protected]>
Diffstat (limited to 'src/mesa/main/blend.c')
-rw-r--r--src/mesa/main/blend.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c
index 8c763ed34e5..e042b5e8e6a 100644
--- a/src/mesa/main/blend.c
+++ b/src/mesa/main/blend.c
@@ -735,7 +735,8 @@ _mesa_AlphaFunc( GLenum func, GLclampf ref )
case GL_NOTEQUAL:
case GL_GEQUAL:
case GL_ALWAYS:
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewAlphaTest ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAlphaTest;
ctx->Color.AlphaFunc = func;
ctx->Color.AlphaRefUnclamped = ref;
ctx->Color.AlphaRef = CLAMP(ref, 0.0F, 1.0F);