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[dxvk] Add helper function to get info about depth-stencil image layouts

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Philip Rebohle 2019-05-03 14:37:59 +02:00
parent 81821414b0
commit 6eeb3b6da9
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1 changed files with 11 additions and 0 deletions
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src/dxvk/dxvk_util.h
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@ -160,6 +160,17 @@ namespace dxvk::util {
inline uint32_t flattenImageExtent(VkExtent3D extent) { inline uint32_t flattenImageExtent(VkExtent3D extent) {
return extent.width * extent.height * extent.depth; return extent.width * extent.height * extent.depth;
} }
/**
* \brief Checks whether the depth aspect is read-only in a layout
*
* \param [in] layout Image layout. Must be a valid depth-stencil attachment laoyut.
* \returns \c true if the depth aspect for images in this layout is read-only.
*/
inline bool isDepthReadOnlyLayout(VkImageLayout layout) {
return layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
|| layout == VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL;
}
/** /**
* \brief Computes image data size, in bytes * \brief Computes image data size, in bytes