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[d3d11] Allow mapping depth-stencil images for reading

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This may be needed for The Surge and Lords of the Fallen.
This commit is contained in:
Philip Rebohle 2018-11-08 18:09:05 +01:00
parent f483bc9633
commit 4d103aad5d
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GPG Key ID: C8CC613427A31C99
1 changed files with 42 additions and 14 deletions
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56
src/d3d11/d3d11_context_imm.cpp
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@ -391,14 +391,7 @@ namespace dxvk {
}
auto formatInfo = imageFormatInfo(mappedImage->info().format);
if (formatInfo->aspectMask != VK_IMAGE_ASPECT_COLOR_BIT) {
Logger::err("D3D11: Cannot map a depth-stencil texture");
return E_INVALIDARG;
}
VkImageSubresource subresource =
pResource->GetSubresourceFromIndex(
auto subresource = pResource->GetSubresourceFromIndex(
formatInfo->aspectMask, Subresource);
pResource->SetMappedSubresource(subresource);
@ -417,9 +410,47 @@ namespace dxvk {
pMappedResource->RowPitch = imageType >= VK_IMAGE_TYPE_2D ? layout.rowPitch : layout.size;
pMappedResource->DepthPitch = imageType >= VK_IMAGE_TYPE_3D ? layout.depthPitch : layout.size;
return S_OK;
} else if (formatInfo->aspectMask == (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
VkExtent3D levelExtent = mappedImage->mipLevelExtent(subresource.mipLevel);
if (MapType != D3D11_MAP_READ) {
Logger::err(str::format("D3D11: Map type ", MapType, " not supported for depth-stencil images"));
return E_INVALIDARG;
}
// The actual Vulkan image format may differ
// from the format requested by the application
VkFormat packFormat = GetPackedDepthStencilFormat(pResource->Desc()->Format);
auto packFormatInfo = imageFormatInfo(packFormat);
// This is slow, but we have to dispatch a pack
// operation and then immediately synchronize.
EmitCs([
cImageBuffer = mappedBuffer,
cImage = mappedImage,
cSubresource = subresource,
cFormat = packFormat
] (DxvkContext* ctx) {
auto layers = vk::makeSubresourceLayers(cSubresource);
auto x = cImage->mipLevelExtent(cSubresource.mipLevel);
VkOffset2D offset = { 0, 0 };
VkExtent2D extent = { x.width, x.height };
ctx->copyDepthStencilImageToPackedBuffer(
cImageBuffer, 0, cImage, layers, offset, extent, cFormat);
});
WaitForResource(mappedBuffer->resource(), 0);
DxvkPhysicalBufferSlice physicalSlice = mappedBuffer->slice();
pMappedResource->pData = physicalSlice.mapPtr(0);
pMappedResource->RowPitch = packFormatInfo->elementSize * levelExtent.width;
pMappedResource->DepthPitch = packFormatInfo->elementSize * levelExtent.width * levelExtent.height;
return S_OK;
} else {
const VkExtent3D levelExtent = mappedImage->mipLevelExtent(subresource.mipLevel);
const VkExtent3D blockCount = util::computeBlockCount(levelExtent, formatInfo->blockSize);
VkExtent3D levelExtent = mappedImage->mipLevelExtent(subresource.mipLevel);
VkExtent3D blockCount = util::computeBlockCount(levelExtent, formatInfo->blockSize);
DxvkPhysicalBufferSlice physicalSlice;
@ -441,10 +472,7 @@ namespace dxvk {
const bool copyExistingData = pResource->Desc()->Usage == D3D11_USAGE_STAGING;
if (copyExistingData) {
const VkImageSubresourceLayers subresourceLayers = {
subresource.aspectMask,
subresource.mipLevel,
subresource.arrayLayer, 1 };
auto subresourceLayers = vk::makeSubresourceLayers(subresource);
EmitCs([
cImageBuffer = mappedBuffer,