From 919ac2c4d3a81c94ae441f7298ebe4f3710a343f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 22 Nov 2019 21:12:31 -0300
Subject: gl_rasterizer: Disable compute shaders on Intel

Intel's proprietary driver enters in a corrupt state when compute
shaders are executed. For now, disable these.
---
 src/video_core/renderer_opengl/gl_device.cpp     | 3 +++
 src/video_core/renderer_opengl/gl_device.h       | 5 +++++
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp
index 5cfa97fc2..3adf57c96 100644
--- a/src/video_core/renderer_opengl/gl_device.cpp
+++ b/src/video_core/renderer_opengl/gl_device.cpp
@@ -74,6 +74,7 @@ Device::Device() {
     const std::vector extensions = GetExtensions();
 
     const bool is_nvidia = vendor == "NVIDIA Corporation";
+    const bool is_intel = vendor == "Intel";
 
     // Reserve the first UBO for emulation bindings
     base_bindings[0] = BaseBindings{ReservedUniformBlocks, 0, 0, 0};
@@ -110,6 +111,7 @@ Device::Device() {
     has_variable_aoffi = TestVariableAoffi();
     has_component_indexing_bug = TestComponentIndexingBug();
     has_precise_bug = TestPreciseBug();
+    has_broken_compute = is_intel;
     has_fast_buffer_sub_data = is_nvidia;
 
     LOG_INFO(Render_OpenGL, "Renderer_VariableAOFFI: {}", has_variable_aoffi);
@@ -127,6 +129,7 @@ Device::Device(std::nullptr_t) {
     has_image_load_formatted = true;
     has_variable_aoffi = true;
     has_component_indexing_bug = false;
+    has_broken_compute = false;
     has_precise_bug = false;
 }
 
diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h
index e7d3c48b0..5433815b9 100644
--- a/src/video_core/renderer_opengl/gl_device.h
+++ b/src/video_core/renderer_opengl/gl_device.h
@@ -76,6 +76,10 @@ public:
         return has_precise_bug;
     }
 
+    bool HasBrokenCompute() const {
+        return has_broken_compute;
+    }
+
     bool HasFastBufferSubData() const {
         return has_fast_buffer_sub_data;
     }
@@ -97,6 +101,7 @@ private:
     bool has_variable_aoffi{};
     bool has_component_indexing_bug{};
     bool has_precise_bug{};
+    bool has_broken_compute{};
     bool has_fast_buffer_sub_data{};
 };
 
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index fbb9bbac1..f97ec06f0 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -743,6 +743,10 @@ bool RasterizerOpenGL::DrawMultiBatch(bool is_indexed) {
 }
 
 void RasterizerOpenGL::DispatchCompute(GPUVAddr code_addr) {
+    if (device.HasBrokenCompute()) {
+        return;
+    }
+
     buffer_cache.Acquire();
 
     auto kernel = shader_cache.GetComputeKernel(code_addr);
-- 
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