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[d3d9] Prefer GENERAL layout for read-only textures

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Philip Rebohle 2024-10-12 14:06:42 +02:00 committed by Philip Rebohle
parent b2598906ca
commit f76fb75956
1 changed files with 14 additions and 15 deletions
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29
src/d3d9/d3d9_common_texture.cpp
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@ -501,27 +501,26 @@ namespace dxvk {
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT
| VK_IMAGE_USAGE_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT);
// Storage images require GENERAL.
if (Usage & VK_IMAGE_USAGE_STORAGE_BIT)
return VK_IMAGE_LAYOUT_GENERAL;
// Use GENERAL for non-renderable images to avoid layout transitions.
if (Usage == VK_IMAGE_USAGE_SAMPLED_BIT)
return VK_IMAGE_LAYOUT_GENERAL;
// If the image is used only as an attachment, we never
// have to transform the image back to a different layout
// have to transform the image back to a different layout.
if (Usage == VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
return VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
if (Usage == VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)
return VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
Usage &= ~(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
| VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
// If the image is used for reading but not as a storage
// image, we can optimize the image for texture access
if (Usage == VK_IMAGE_USAGE_SAMPLED_BIT) {
return usageFlags & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
// Otherwise, we have to stick with the default layout
return VK_IMAGE_LAYOUT_GENERAL;
// Otherwise, pick a layout that can be used for reading.
return usageFlags & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
D3D9_COMMON_TEXTURE_MAP_MODE D3D9CommonTexture::DetermineMapMode() const {