[dxvk] Determine whether a graphics pipeline writes to resources

- Fix missing test for storage texel buffers

src/dxvk/dxvk_graphics.cpp

@@ -73,6 +73,9 @@ namespace dxvk {
     if (gs != nullptr && gs->hasCapability(spv::CapabilityTransformFeedback))
       m_flags.set(DxvkGraphicsPipelineFlag::HasTransformFeedback);
     
+    if (m_layout->hasStorageDescriptors())
+      m_flags.set(DxvkGraphicsPipelineFlag::HasStorageDescriptors);
+    
     m_common.msSampleShadingEnable = fs != nullptr && fs->hasCapability(spv::CapabilitySampleRateShading);
     m_common.msSampleShadingFactor = 1.0f;
   }

src/dxvk/dxvk_graphics.h

@@ -21,6 +21,7 @@ namespace dxvk {
    */
   enum class DxvkGraphicsPipelineFlag {
     HasTransformFeedback,
+    HasStorageDescriptors,
   };
 
   using DxvkGraphicsCommonPipelineFlags = Flags<DxvkGraphicsPipelineFlag>;

src/dxvk/dxvk_pipelayout.h

@@ -218,6 +218,21 @@ namespace dxvk {
         VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
     }
     
+    /**
+     * \brief Checks whether buffers or images are written to
+     * 
+     * It is assumed that storage images and buffers
+     * will be written to if they are present. Used
+     * for synchronization purposes.
+     */
+    bool hasStorageDescriptors() const {
+      return m_descriptorTypes.any(
+        VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+        VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
+        VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC,
+        VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER);
+    }
+
   private:
     
     Rc<vk::DeviceFn> m_vkd;