Implement buffer atomic fmin/fmax instructions (#3123)

src/video_core/renderer_vulkan/vk_instance.cpp

@@ -281,6 +281,8 @@ bool Instance::CreateDevice() {
     if (shader_atomic_float2) {
         shader_atomic_float2_features =
             feature_chain.get<vk::PhysicalDeviceShaderAtomicFloat2FeaturesEXT>();
+        LOG_INFO(Render_Vulkan, "- shaderBufferFloat32AtomicMinMax: {}",
+                 shader_atomic_float2_features.shaderBufferFloat32AtomicMinMax);
         LOG_INFO(Render_Vulkan, "- shaderImageFloat32AtomicMinMax: {}",
                  shader_atomic_float2_features.shaderImageFloat32AtomicMinMax);
     }
@@ -433,6 +435,8 @@ bool Instance::CreateDevice() {
             .legacyVertexAttributes = true,
         },
         vk::PhysicalDeviceShaderAtomicFloat2FeaturesEXT{
+            .shaderBufferFloat32AtomicMinMax =
+                shader_atomic_float2_features.shaderBufferFloat32AtomicMinMax,
             .shaderImageFloat32AtomicMinMax =
                 shader_atomic_float2_features.shaderImageFloat32AtomicMinMax,
         },

src/video_core/renderer_vulkan/vk_instance.h

@@ -165,6 +165,13 @@ public:
         return amd_shader_trinary_minmax;
     }
 
+    /// Returns true when the shaderBufferFloat32AtomicMinMax feature of
+    /// VK_EXT_shader_atomic_float2 is supported.
+    bool IsShaderAtomicFloatBuffer32MinMaxSupported() const {
+        return shader_atomic_float2 &&
+               shader_atomic_float2_features.shaderBufferFloat32AtomicMinMax;
+    }
+
     /// Returns true when the shaderImageFloat32AtomicMinMax feature of
     /// VK_EXT_shader_atomic_float2 is supported.
     bool IsShaderAtomicFloatImage32MinMaxSupported() const {

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -216,6 +216,8 @@ PipelineCache::PipelineCache(const Instance& instance_, Scheduler& scheduler_,
         .supports_trinary_minmax = instance_.IsAmdShaderTrinaryMinMaxSupported(),
         // TODO: Emitted bounds checks cause problems with phi control flow; needs to be fixed.
         .supports_robust_buffer_access = true, // instance_.IsRobustBufferAccess2Supported(),
+        .supports_buffer_fp32_atomic_min_max =
+            instance_.IsShaderAtomicFloatBuffer32MinMaxSupported(),
         .supports_image_fp32_atomic_min_max = instance_.IsShaderAtomicFloatImage32MinMaxSupported(),
         .supports_workgroup_explicit_memory_layout =
             instance_.IsWorkgroupMemoryExplicitLayoutSupported(),