[dxvk] Suspend render pass for certain render target clears

src/dxvk/dxvk_context.cpp

@@ -561,8 +561,16 @@ namespace dxvk {
       if (m_state.om.framebuffer->isFullSize(imageView) && this->checkFramebufferBarrier().isClear())
         attachmentIndex = m_state.om.framebuffer->findAttachment(imageView);
 
-      if (attachmentIndex < 1)
-        this->spillRenderPass();
+      // Suspend works here because we'll end up with one of these scenarios:
+      // 1) The render pass gets ended for good, in which case we emit barriers
+      // 2) The clear gets folded into render pass ops, so the layout is correct
+      // 3) The clear gets executed separately, in which case updateFramebuffer
+      //    will indirectly emit barriers for the given render target.
+      // If there is overlap, we need to explicitly transition affected attachments.
+      if (attachmentIndex < 1) {
+        this->spillRenderPass(true);
+        this->prepareImage(m_execBarriers, imageView->image(), imageView->subresources());
+      }
     }
 
     if (m_flags.test(DxvkContextFlag::GpRenderPassBound))

src/vulkan/vulkan_util.h

@@ -58,6 +58,15 @@ namespace dxvk::vk {
     return subres;
   }
 
+  inline bool checkSubresourceRangeOverlap(
+    const VkImageSubresourceRange&  a,
+    const VkImageSubresourceRange&  b) {
+    return a.baseMipLevel < b.baseMipLevel + b.levelCount
+        && a.baseMipLevel + a.levelCount > b.baseMipLevel
+        && a.baseArrayLayer < b.baseArrayLayer + b.layerCount
+        && a.baseArrayLayer + a.layerCount > b.baseArrayLayer;
+  }
+
 }