4 files changed, 22 insertions, 2 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 47ad834aa..4cb050da6 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -1213,11 +1213,19 @@ void RasterizerOpenGL::SyncBlendState() {
 }
 
 void RasterizerOpenGL::SyncLogicOpState() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
+    auto& gpu = system.GPU().Maxwell3D();
+    auto& flags = gpu.dirty.flags;
+    if (!flags[Dirty::LogicOp]) {
+        return;
+    }
+    flags[Dirty::LogicOp] = false;
 
-    oglEnable(GL_COLOR_LOGIC_OP, regs.logic_op.enable);
+    const auto& regs = gpu.regs;
     if (regs.logic_op.enable) {
+        glEnable(GL_COLOR_LOGIC_OP);
         glLogicOp(MaxwellToGL::LogicOp(regs.logic_op.operation));
+    } else {
+        glDisable(GL_COLOR_LOGIC_OP);
     }
 }
 
diff --git a/src/video_core/renderer_opengl/gl_state_tracker.cpp b/src/video_core/renderer_opengl/gl_state_tracker.cpp
index a99a94aff..d6ad25ee9 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.cpp
+++ b/src/video_core/renderer_opengl/gl_state_tracker.cpp
@@ -197,6 +197,10 @@ void SetupDirtyFramebufferSRGB(Tables& tables) {
     tables[0][OFF(framebuffer_srgb)] = FramebufferSRGB;
 }
 
+void SetupDirtyLogicOp(Tables& tables) {
+    FillBlock(tables[0], OFF(logic_op), NUM(logic_op), LogicOp);
+}
+
 void SetupDirtyMisc(Tables& tables) {
     auto& table = tables[0];
 
@@ -231,6 +235,7 @@ void StateTracker::Initialize() {
     SetupDirtyMultisampleControl(tables);
     SetupDirtyRasterizeEnable(tables);
     SetupDirtyFramebufferSRGB(tables);
+    SetupDirtyLogicOp(tables);
     SetupDirtyMisc(tables);
 
     auto& store = dirty.on_write_stores;
diff --git a/src/video_core/renderer_opengl/gl_state_tracker.h b/src/video_core/renderer_opengl/gl_state_tracker.h
index 7cba66359..9901d2b0d 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.h
+++ b/src/video_core/renderer_opengl/gl_state_tracker.h
@@ -68,6 +68,7 @@ enum : u8 {
     MultisampleControl,
     RasterizeEnable,
     FramebufferSRGB,
+    LogicOp,
 
     Last
 };
@@ -159,6 +160,11 @@ public:
         flags[OpenGL::Dirty::FramebufferSRGB] = true;
     }
 
+    void NotifyLogicOp() {
+        auto& flags = system.GPU().Maxwell3D().dirty.flags;
+        flags[OpenGL::Dirty::LogicOp] = true;
+    }
+
 private:
     Core::System& system;
 };
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index f8b6f98f7..7391412c2 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -589,6 +589,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
     state_tracker.NotifyPolygonOffset();
     state_tracker.NotifyRasterizeEnable();
     state_tracker.NotifyFramebufferSRGB();
+    state_tracker.NotifyLogicOp();
 
     program_manager.UseVertexShader(vertex_program.handle);
     program_manager.UseGeometryShader(0);