gl_rasterizer: Move alpha testing to the OpenGL pipeline

Removes the alpha testing code from each fragment shader invocation.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index 41418a7b8..b0140495d 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -172,6 +172,12 @@ public:
         GLfloat clamp;
     } polygon_offset;
 
+    struct {
+        bool enabled; // GL_ALPHA_TEST
+        GLenum func;  // GL_ALPHA_TEST_FUNC
+        GLfloat ref;  // GL_ALPHA_TEST_REF
+    } alpha_test;
+
     std::array<bool, 8> clip_distance; // GL_CLIP_DISTANCE
 
     OpenGLState();
@@ -215,6 +221,7 @@ public:
     void ApplySamplers() const;
     void ApplyDepthClamp() const;
     void ApplyPolygonOffset() const;
+    void ApplyAlphaTest() const;
 
     /// Set the initial OpenGL state
     static void ApplyDefaultState();