From da0aa4da6bc853c7afcc735a1cb68917feeefd42 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 18 Dec 2019 19:26:52 -0300
Subject: gl_rasterizer: Implement RASTERIZE_ENABLE

RASTERIZE_ENABLE is the opposite of GL_RASTERIZER_DISCARD. Implement it
naturally using this.

NVN games expect rasterize to be enabled by default, reflect that in our
initial GPU state.
---
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/video_core/renderer_opengl/gl_rasterizer.cpp')

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) {
-- 
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