From 9014861858295489cf597322801b37dad9aaf2ce Mon Sep 17 00:00:00 2001
From: ameerj <aj662@drexel.edu>
Date: Wed, 18 Nov 2020 20:08:51 -0500
Subject: vulkan_renderer: Alpha Test Culling Implementation

Used by various textures in many titles, e.g.  SSBU menu.
---
 src/video_core/renderer_vulkan/fixed_pipeline_state.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/video_core/renderer_vulkan/fixed_pipeline_state.h')

diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.h b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
index 2c18eeaae..9a45ec6b7 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.h
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.h
@@ -187,6 +187,14 @@ struct FixedPipelineState {
         BitField<23, 1, u32> rasterize_enable;
         BitField<24, 4, Maxwell::PrimitiveTopology> topology;
     };
+
+    u32 alpha_test_ref; /// < Alpha test reference
+    union {
+        u32 alpha_raw;
+        BitField<0, 3, u32> alpha_test_func;
+        BitField<3, 1, u32> alpha_test_enabled;
+    };
+
     u32 point_size;
     std::array<u32, Maxwell::NumVertexArrays> binding_divisors;
     std::array<VertexAttribute, Maxwell::NumVertexAttributes> attributes;
-- 
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