From 4520b1ca8fc6cf089da354df8ab7f6e058eefa4e Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Thu, 28 Jun 2018 16:47:54 +0200
Subject: [PATCH] [d3d11] Fix usage and access flags for multisampled images

Meta-resolve operations will use the image in a fragment shader.
---
 src/d3d11/d3d11_texture.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/d3d11/d3d11_texture.cpp b/src/d3d11/d3d11_texture.cpp
index 883b08bd..0c5cc50d 100644
--- a/src/d3d11/d3d11_texture.cpp
+++ b/src/d3d11/d3d11_texture.cpp
@@ -28,7 +28,7 @@ namespace dxvk {
                              | VK_ACCESS_TRANSFER_WRITE_BIT;
     imageInfo.tiling         = VK_IMAGE_TILING_OPTIMAL;
     imageInfo.layout         = VK_IMAGE_LAYOUT_GENERAL;
-    
+
     DecodeSampleCount(m_desc.SampleDesc.Count, &imageInfo.sampleCount);
     
     // Typeless formats need the MUTABLE_FORMAT_BIT to be set
@@ -72,6 +72,13 @@ namespace dxvk {
                        |  VK_ACCESS_SHADER_WRITE_BIT;
     }
     
+    // Access pattern for meta-resolve operations
+    if (imageInfo.sampleCount != VK_SAMPLE_COUNT_1_BIT) {
+      imageInfo.usage  |= VK_IMAGE_USAGE_SAMPLED_BIT;
+      imageInfo.stages |= VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
+      imageInfo.access |= VK_ACCESS_SHADER_READ_BIT;
+    }
+    
     if (m_desc.MiscFlags & D3D11_RESOURCE_MISC_TEXTURECUBE)
       imageInfo.flags |= VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;