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[d3d11] Do not use MUTABLE_FORMAT_BIT for strictly typed formats 

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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GPG Key ID: C8CC613427A31C99
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