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[d3d11] Use D3D11_COMMON_TEXTURE_MAP_MODE_STAGING if possible

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This commit is contained in:
Philip Rebohle 2021-06-21 23:00:19 +02:00
parent 450c42444f
commit 7d76262c52
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GPG Key ID: C8CC613427A31C99
1 changed files with 9 additions and 4 deletions
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13
src/d3d11/d3d11_texture.cpp
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@ -535,17 +535,22 @@ namespace dxvk {
D3D11_COMMON_TEXTURE_MAP_MODE D3D11CommonTexture::DetermineMapMode(
const DxvkImageCreateInfo* pImageInfo) const {
// Don't map an image unless the application requests it
if (m_desc.CPUAccessFlags == 0)
if (!m_desc.CPUAccessFlags)
return D3D11_COMMON_TEXTURE_MAP_MODE_NONE;
// If the resource cannot be used in the actual rendering pipeline, we
// do not need to create an actual image and can instead implement copy
// functions as buffer-to-image and image-to-buffer copies.
if (!m_desc.BindFlags && m_desc.Usage != D3D11_USAGE_DEFAULT)
return D3D11_COMMON_TEXTURE_MAP_MODE_STAGING;
// Write-only images should go through a buffer for multiple reasons:
// 1. Some games do not respect the row and depth pitch that is returned
// by the Map() method, which leads to incorrect rendering (e.g. Nier)
// 2. Since the image will most likely be read for rendering by the GPU,
// writing the image to device-local image may be more efficient than
// reading its contents from host-visible memory.
// reading its contents from host memory.
if (m_desc.Usage == D3D11_USAGE_DYNAMIC
&& m_desc.BindFlags != 0
&& m_desc.TextureLayout != D3D11_TEXTURE_LAYOUT_ROW_MAJOR)
return D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER;
@ -554,7 +559,7 @@ namespace dxvk {
if (GetPackedDepthStencilFormat(m_desc.Format))
return D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER;
// Multi-plane images have a sepcial memory layout in D3D11
// Multi-plane images have a special memory layout in D3D11
if (imageFormatInfo(pImageInfo->format)->flags.test(DxvkFormatFlag::MultiPlane))
return D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER;