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[dxvk] Fix potential resolve attachment invalidation bug

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This commit is contained in:
Philip Rebohle 2025-02-12 14:44:54 +01:00
parent c5a3aa73a0
commit 563129c863
1 changed files with 14 additions and 2 deletions
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16
src/dxvk/dxvk_context.cpp
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@ -4766,14 +4766,26 @@ namespace dxvk {
return false;
}
// If necessary, allocate a new backing image
// If the application may have used the destination image as shader input in
// any way, we need to preserve its contents throughout the render pass and
// allocate new backing storage for the resolve attachment itself.
VkImageLayout oldLayout = dstImage->info().layout;
VkImageLayout newLayout = dstImage->pickLayout((usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
? VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
if (dstImage->info().usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
VkPipelineStageFlags graphicsStages = VK_PIPELINE_STAGE_VERTEX_SHADER_BIT
| VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT
| VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT
| VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT
| VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
if (dstImage->info().stages & graphicsStages) {
// We can only support this if we're resolving the entire resource
if (dstImage->info().numLayers != region.dstSubresource.layerCount)
return false;
DxvkImageUsageInfo usageInfo = { };
usageInfo.usage = usage;
usageInfo.viewFormatCount = 1;