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[d3d11] Fix A8 UAV clears

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This commit is contained in:
Philip Rebohle 2025-03-24 00:24:43 +01:00
parent 905cf86d82
commit 1a8030a54a
1 changed files with 14 additions and 8 deletions
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22
src/d3d11/d3d11_context.cpp
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@ -462,12 +462,15 @@ namespace dxvk {
VkFormat uavFormat = m_parent->LookupFormat(uavDesc.Format, DXGI_VK_FORMAT_MODE_ANY).Format;
VkFormat rawFormat = m_parent->LookupFormat(uavDesc.Format, DXGI_VK_FORMAT_MODE_RAW).Format;
if (uavFormat != rawFormat && rawFormat == VK_FORMAT_UNDEFINED) {
if (uavDesc.Format == DXGI_FORMAT_A8_UNORM)
rawFormat = uavFormat;
if (uavFormat && !rawFormat) {
Logger::err(str::format("D3D11: ClearUnorderedAccessViewUint: No raw format found for ", uavFormat));
return;
}
VkClearValue clearValue;
VkClearValue clearValue = { };
if (uavDesc.Format == DXGI_FORMAT_R11G11B10_FLOAT) {
// R11G11B10 is a special case since there's no corresponding
@ -479,12 +482,15 @@ namespace dxvk {
clearValue.color.uint32[2] = 0;
clearValue.color.uint32[3] = 0;
} else if (uavDesc.Format == DXGI_FORMAT_A8_UNORM) {
// We need to use R8_UINT to clear A8_UNORM images,
// so remap the alpha component to the red channel.
clearValue.color.uint32[0] = Values[3];
clearValue.color.uint32[1] = 0;
clearValue.color.uint32[2] = 0;
clearValue.color.uint32[3] = 0;
// Use the unorm format itself to execute the clear, regardless
// of whether we use A8 or emulate the format with R8. This is
// necessary because we cannot create R8_UINT views for A8.
float a = float(Values[3] & 0xff) / 255.0f;
clearValue.color.float32[0] = a;
clearValue.color.float32[1] = a;
clearValue.color.float32[2] = a;
clearValue.color.float32[3] = a;
} else {
clearValue.color.uint32[0] = Values[0];
clearValue.color.uint32[1] = Values[1];