From 2bb7ea436dc74f812a8092201dc597ed58ff3c7a Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Sat, 10 Jun 2023 11:40:58 -0400
Subject: shader_recompiler: remove barriers in conditional control flow when
 device lacks support

---
 src/video_core/renderer_opengl/gl_device.cpp       | 1 +
 src/video_core/renderer_opengl/gl_device.h         | 5 +++++
 src/video_core/renderer_opengl/gl_shader_cache.cpp | 1 +
 src/video_core/vulkan_common/vulkan_device.cpp     | 2 ++
 src/video_core/vulkan_common/vulkan_device.h       | 5 +++++
 5 files changed, 14 insertions(+)

(limited to 'src/video_core')

diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp
index 400c21981..03d234f2f 100644
--- a/src/video_core/renderer_opengl/gl_device.cpp
+++ b/src/video_core/renderer_opengl/gl_device.cpp
@@ -201,6 +201,7 @@ Device::Device(Core::Frontend::EmuWindow& emu_window) {
     use_asynchronous_shaders = Settings::values.use_asynchronous_shaders.GetValue() &&
                                !(is_amd || (is_intel && !is_linux)) && !strict_context_required;
     use_driver_cache = is_nvidia;
+    supports_conditional_barriers = !is_intel;
 
     LOG_INFO(Render_OpenGL, "Renderer_VariableAOFFI: {}", has_variable_aoffi);
     LOG_INFO(Render_OpenGL, "Renderer_ComponentIndexingBug: {}", has_component_indexing_bug);
diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h
index cc0b95f1a..ad27264e5 100644
--- a/src/video_core/renderer_opengl/gl_device.h
+++ b/src/video_core/renderer_opengl/gl_device.h
@@ -188,6 +188,10 @@ public:
         return strict_context_required;
     }
 
+    bool SupportsConditionalBarriers() const {
+        return supports_conditional_barriers;
+    }
+
 private:
     static bool TestVariableAoffi();
     static bool TestPreciseBug();
@@ -233,6 +237,7 @@ private:
     bool has_bool_ref_bug{};
     bool can_report_memory{};
     bool strict_context_required{};
+    bool supports_conditional_barriers{};
 
     std::string vendor_name;
 };
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 6ecda2984..183c1a7ea 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -238,6 +238,7 @@ ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindo
           .support_snorm_render_buffer = false,
           .support_viewport_index_layer = device.HasVertexViewportLayer(),
           .support_geometry_shader_passthrough = device.HasGeometryShaderPassthrough(),
+          .support_conditional_barrier = device.SupportsConditionalBarriers(),
       } {
     if (use_asynchronous_shaders) {
         workers = CreateWorkers();
diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 0158b6b0d..a46f9beed 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -386,6 +386,8 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         IsFormatSupported(VK_FORMAT_D24_UNORM_S8_UINT,
                           VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT, FormatType::Optimal);
 
+    supports_conditional_barriers = !(is_intel_anv || is_intel_windows);
+
     CollectPhysicalMemoryInfo();
     CollectToolingInfo();
 
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index d62a103a1..ccce9429a 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -580,6 +580,10 @@ public:
         return properties.properties.limits.maxVertexInputBindings;
     }
 
+    bool SupportsConditionalBarriers() const {
+        return supports_conditional_barriers;
+    }
+
 private:
     /// Checks if the physical device is suitable and configures the object state
     /// with all necessary info about its properties.
@@ -683,6 +687,7 @@ private:
     bool must_emulate_bgr565{};             ///< Emulates BGR565 by swizzling RGB565 format.
     bool dynamic_state3_blending{};         ///< Has all blending features of dynamic_state3.
     bool dynamic_state3_enables{};          ///< Has all enables features of dynamic_state3.
+    bool supports_conditional_barriers{};   ///< Allows barriers in conditional control flow.
     u64 device_access_memory{};             ///< Total size of device local memory in bytes.
     u32 sets_per_pool{};                    ///< Sets per Description Pool
 
-- 
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