1 files changed, 38 insertions, 11 deletions

diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index 1afa58c9..3526e16d 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -16,6 +16,11 @@ OpenGLState::OpenGLState() {
     depth.test_func = GL_LESS;
     depth.write_mask = GL_TRUE;
 
+    color_mask.red_enabled = GL_TRUE;
+    color_mask.green_enabled = GL_TRUE;
+    color_mask.blue_enabled = GL_TRUE;
+    color_mask.alpha_enabled = GL_TRUE;
+
     stencil.test_enabled = false;
     stencil.test_func = GL_ALWAYS;
     stencil.test_ref = 0;
@@ -32,6 +37,8 @@ OpenGLState::OpenGLState() {
     blend.color.blue = 0.0f;
     blend.color.alpha = 0.0f;
 
+    logic_op = GL_COPY;
+
     for (auto& texture_unit : texture_units) {
         texture_unit.enabled_2d = false;
         texture_unit.texture_2d = 0;
@@ -75,6 +82,15 @@ void OpenGLState::Apply() {
         glDepthMask(depth.write_mask);
     }
 
+    // Color mask
+    if (color_mask.red_enabled != cur_state.color_mask.red_enabled ||
+            color_mask.green_enabled != cur_state.color_mask.green_enabled ||
+            color_mask.blue_enabled != cur_state.color_mask.blue_enabled ||
+            color_mask.alpha_enabled != cur_state.color_mask.alpha_enabled) {
+        glColorMask(color_mask.red_enabled, color_mask.green_enabled,
+                    color_mask.blue_enabled, color_mask.alpha_enabled);
+    }
+
     // Stencil test
     if (stencil.test_enabled != cur_state.stencil.test_enabled) {
         if (stencil.test_enabled) {
@@ -82,11 +98,11 @@ void OpenGLState::Apply() {
         } else {
             glDisable(GL_STENCIL_TEST);
         }
-    } 
+    }
 
     if (stencil.test_func != cur_state.stencil.test_func ||
-        stencil.test_ref != cur_state.stencil.test_ref ||
-        stencil.test_mask != cur_state.stencil.test_mask) {
+            stencil.test_ref != cur_state.stencil.test_ref ||
+            stencil.test_mask != cur_state.stencil.test_mask) {
         glStencilFunc(stencil.test_func, stencil.test_ref, stencil.test_mask);
     }
 
@@ -99,23 +115,34 @@ void OpenGLState::Apply() {
     if (blend.enabled != cur_state.blend.enabled) {
         if (blend.enabled) {
             glEnable(GL_BLEND);
+
+            cur_state.logic_op = GL_COPY;
+            glLogicOp(cur_state.logic_op);
+            glDisable(GL_COLOR_LOGIC_OP);
         } else {
             glDisable(GL_BLEND);
+            glEnable(GL_COLOR_LOGIC_OP);
         }
     }
 
     if (blend.color.red != cur_state.blend.color.red ||
-        blend.color.green != cur_state.blend.color.green ||
-        blend.color.blue != cur_state.blend.color.blue ||
-        blend.color.alpha != cur_state.blend.color.alpha) {
-        glBlendColor(blend.color.red, blend.color.green, blend.color.blue, blend.color.alpha);
+            blend.color.green != cur_state.blend.color.green ||
+            blend.color.blue != cur_state.blend.color.blue ||
+            blend.color.alpha != cur_state.blend.color.alpha) {
+        glBlendColor(blend.color.red, blend.color.green,
+                     blend.color.blue, blend.color.alpha);
     }
 
     if (blend.src_rgb_func != cur_state.blend.src_rgb_func ||
-        blend.dst_rgb_func != cur_state.blend.dst_rgb_func ||
-        blend.src_a_func != cur_state.blend.src_a_func ||
-        blend.dst_a_func != cur_state.blend.dst_a_func) {
-        glBlendFuncSeparate(blend.src_rgb_func, blend.dst_rgb_func, blend.src_a_func, blend.dst_a_func);
+            blend.dst_rgb_func != cur_state.blend.dst_rgb_func ||
+            blend.src_a_func != cur_state.blend.src_a_func ||
+            blend.dst_a_func != cur_state.blend.dst_a_func) {
+        glBlendFuncSeparate(blend.src_rgb_func, blend.dst_rgb_func,
+                            blend.src_a_func, blend.dst_a_func);
+    }
+
+    if (logic_op != cur_state.logic_op) {
+        glLogicOp(logic_op);
     }
 
     // Textures