Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/main/framebuffer.c | 9 +++++++++
src/mesa/main/framebuffer.h | 3 +++
2 files changed, 12 insertions(+)
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index f19f3af..3aff102 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -1012,3 +1012,12 @@ _mesa_is_alpha_test_enabled(const struct gl_context *ctx)
bool buffer0_is_integer = ctx->DrawBuffer->_IntegerBuffers & 0x1;
return (ctx->Color.AlphaEnabled && !buffer0_is_integer);
}
+
+bool
+_mesa_is_alpha_to_coverage_enabled(const struct gl_context *ctx)
+{
+ bool buffer0_is_integer = ctx->DrawBuffer->_IntegerBuffers & 0x1;
+ return (ctx->Multisample.SampleAlphaToCoverage &&
+ _mesa_is_multisample_enabled(ctx) &&
+ !buffer0_is_integer);
+}
diff --git a/src/mesa/main/framebuffer.h b/src/mesa/main/framebuffer.h
index a6adb1c..745c1da 100644
--- a/src/mesa/main/framebuffer.h
+++ b/src/mesa/main/framebuffer.h
@@ -152,4 +152,7 @@ _mesa_is_multisample_enabled(const struct gl_context *ctx);
extern bool
_mesa_is_alpha_test_enabled(const struct gl_context *ctx);
+extern bool
+_mesa_is_alpha_to_coverage_enabled(const struct gl_context *ctx);
+
#endif /* FRAMEBUFFER_H */
--
2.5.5
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