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[d3d11] Do not use MUTABLE_FORMAT_BIT for strictly typed formats

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This used to cause issues in the past, but apparently we can safely
enable this optimization now. Improves performance slightly on RADV.
This commit is contained in:
Philip Rebohle 2018-06-24 17:01:05 +02:00
parent b62ccfe7a3
commit 060cd1d87c
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1 changed files with 7 additions and 3 deletions
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10
src/d3d11/d3d11_texture.cpp
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@ -31,12 +31,16 @@ namespace dxvk {
DecodeSampleCount(m_desc.SampleDesc.Count, &imageInfo.sampleCount);
// Color formats require MUTABLE_FORMAT_BIT to be set since
// they can be reinterpreted, especially typeless formats.
// Typeless formats need the MUTABLE_FORMAT_BIT to be set
// since they can be reinterpreted. We'll always set this
// for UAV images for integer clear operations to work.
bool mutableFormat = (formatInfo.Aspect == 0)
|| (m_desc.BindFlags & D3D11_BIND_UNORDERED_ACCESS);
// Depth-stencil formats are not compatible to each other.
VkImageAspectFlags formatAspect = imageFormatInfo(formatInfo.Format)->aspectMask;
if (formatAspect & VK_IMAGE_ASPECT_COLOR_BIT)
if (mutableFormat && (formatAspect & VK_IMAGE_ASPECT_COLOR_BIT))
imageInfo.flags = VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
// Adjust image flags based on the corresponding D3D flags