From 231601763c4717f8d7978341994a479e4283fa3d Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Mon, 30 Dec 2019 01:20:08 -0300
Subject: gl_state_tracker: Implement dirty flags for fragment color clamp

---
 src/video_core/renderer_opengl/gl_rasterizer.cpp    | 10 ++++++++--
 src/video_core/renderer_opengl/gl_state_tracker.cpp |  5 +++++
 src/video_core/renderer_opengl/gl_state_tracker.h   |  1 +
 3 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'src/video_core')

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 4cb050da6..7ffb8fa09 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -1149,8 +1149,14 @@ void RasterizerOpenGL::SyncMultiSampleState() {
 }
 
 void RasterizerOpenGL::SyncFragmentColorClampState() {
-    const auto& regs = system.GPU().Maxwell3D().regs;
-    glClampColor(GL_CLAMP_FRAGMENT_COLOR, regs.frag_color_clamp ? GL_TRUE : GL_FALSE);
+    auto& gpu = system.GPU().Maxwell3D();
+    auto& flags = gpu.dirty.flags;
+    if (!flags[Dirty::FragmentClampColor]) {
+        return;
+    }
+    flags[Dirty::FragmentClampColor] = false;
+
+    glClampColor(GL_CLAMP_FRAGMENT_COLOR, gpu.regs.frag_color_clamp ? GL_TRUE : GL_FALSE);
 }
 
 void RasterizerOpenGL::SyncBlendState() {
diff --git a/src/video_core/renderer_opengl/gl_state_tracker.cpp b/src/video_core/renderer_opengl/gl_state_tracker.cpp
index d6ad25ee9..538ab97e0 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.cpp
+++ b/src/video_core/renderer_opengl/gl_state_tracker.cpp
@@ -201,6 +201,10 @@ void SetupDirtyLogicOp(Tables& tables) {
     FillBlock(tables[0], OFF(logic_op), NUM(logic_op), LogicOp);
 }
 
+void SetupDirtyFragmentClampColor(Tables& tables) {
+    tables[0][OFF(frag_color_clamp)] = FragmentClampColor;
+}
+
 void SetupDirtyMisc(Tables& tables) {
     auto& table = tables[0];
 
@@ -236,6 +240,7 @@ void StateTracker::Initialize() {
     SetupDirtyRasterizeEnable(tables);
     SetupDirtyFramebufferSRGB(tables);
     SetupDirtyLogicOp(tables);
+    SetupDirtyFragmentClampColor(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 9901d2b0d..db92a2e5c 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.h
+++ b/src/video_core/renderer_opengl/gl_state_tracker.h
@@ -69,6 +69,7 @@ enum : u8 {
     RasterizeEnable,
     FramebufferSRGB,
     LogicOp,
+    FragmentClampColor,
 
     Last
 };
-- 
cgit v1.2.3