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[d3d11] Don't set meta-resolve usage flags for depth buffers

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Depth buffers cannot be resolved in D3D11.
May improve performance on some hardware when MSAA is used.
This commit is contained in:
Philip Rebohle 2018-09-29 14:59:36 +02:00
parent 894d9606d5
commit da8274daaf
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GPG Key ID: C8CC613427A31C99
1 changed files with 3 additions and 2 deletions
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5
src/d3d11/d3d11_texture.cpp
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@ -53,8 +53,9 @@ namespace dxvk {
bool isTypeless = formatInfo.Aspect == 0;
bool isMutable = formatFamily.FormatCount > 1;
bool isColorFormat = (formatProperties->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) != 0;
if (isMutable && (formatProperties->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT)) {
if (isMutable && isColorFormat) {
imageInfo.flags |= VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
// Typeless UAV images have relaxed reinterpretation rules
@ -100,7 +101,7 @@ namespace dxvk {
}
// Access pattern for meta-resolve operations
if (imageInfo.sampleCount != VK_SAMPLE_COUNT_1_BIT) {
if (imageInfo.sampleCount != VK_SAMPLE_COUNT_1_BIT && isColorFormat) {
imageInfo.usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
imageInfo.stages |= VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
imageInfo.access |= VK_ACCESS_SHADER_READ_BIT;