4 files changed, 19 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index f20967d85..dbb08dd80 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -514,6 +514,7 @@ void RasterizerOpenGL::Clear() {
     ConfigureClearFramebuffer(clear_state, use_color, use_depth, use_stencil);
 
     SyncViewport(clear_state);
+    SyncRasterizeEnable(clear_state);
     if (regs.clear_flags.scissor) {
         SyncScissorTest(clear_state);
     }
@@ -541,6 +542,7 @@ void RasterizerOpenGL::Clear() {
 void RasterizerOpenGL::DrawPrelude() {
     auto& gpu = system.GPU().Maxwell3D();
 
+    SyncRasterizeEnable(state);
     SyncColorMask();
     SyncFragmentColorClampState();
     SyncMultiSampleState();
@@ -1133,6 +1135,11 @@ void RasterizerOpenGL::SyncStencilTestState() {
     }
 }
 
+void RasterizerOpenGL::SyncRasterizeEnable(OpenGLState& current_state) {
+    const auto& regs = system.GPU().Maxwell3D().regs;
+    current_state.rasterizer_discard = regs.rasterize_enable == 0;
+}
+
 void RasterizerOpenGL::SyncColorMask() {
     auto& maxwell3d = system.GPU().Maxwell3D();
     if (!maxwell3d.dirty.color_mask) {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 04c1ca551..6a27cf497 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -168,6 +168,9 @@ private:
     /// Syncs the point state to match the guest state
     void SyncPointState();
 
+    /// Syncs the rasterizer enable state to match the guest state
+    void SyncRasterizeEnable(OpenGLState& current_state);
+
     /// Syncs Color Mask
     void SyncColorMask();
 
diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index ccc1e050a..df2e2395a 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -182,6 +182,10 @@ void OpenGLState::ApplyCulling() {
     }
 }
 
+void OpenGLState::ApplyRasterizerDiscard() {
+    Enable(GL_RASTERIZER_DISCARD, cur_state.rasterizer_discard, rasterizer_discard);
+}
+
 void OpenGLState::ApplyColorMask() {
     if (!dirty.color_mask) {
         return;
@@ -455,6 +459,7 @@ void OpenGLState::Apply() {
     ApplyPointSize();
     ApplyFragmentColorClamp();
     ApplyMultisample();
+    ApplyRasterizerDiscard();
     ApplyColorMask();
     ApplyDepthClamp();
     ApplyViewport();
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index 0b5895084..fb180f302 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -48,6 +48,8 @@ public:
         GLuint index = 0;
     } primitive_restart; // GL_PRIMITIVE_RESTART
 
+    bool rasterizer_discard = false; // GL_RASTERIZER_DISCARD
+
     struct ColorMask {
         GLboolean red_enabled = GL_TRUE;
         GLboolean green_enabled = GL_TRUE;
@@ -56,6 +58,7 @@ public:
     };
     std::array<ColorMask, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
         color_mask; // GL_COLOR_WRITEMASK
+
     struct {
         bool test_enabled = false; // GL_STENCIL_TEST
         struct {
@@ -174,6 +177,7 @@ public:
     void ApplyMultisample();
     void ApplySRgb();
     void ApplyCulling();
+    void ApplyRasterizerDiscard();
     void ApplyColorMask();
     void ApplyDepth();
     void ApplyPrimitiveRestart();