'Vulkan Rendering - Portion of Surface
How to render a vulkan framebuffer(vkImage) in a portion of Surface? When I draw in framebuffer, vulkan clear all surface with vkColorClear.
The surface has 800x600 but I would like vulkan render 300x200 using a offset 100x100, for example.
Solution 1:[1]
You can subset a window by setting the view rectangle and viewport in the VkGraphicsPipelineCreateInfo structure to the subregion you wish to render. You can dynamically configure the viewport at draw time using vkCmdSetViewport().
For VkCmdClearAttachments() you can set the clear area via the pRects argument (it ignores viewport).
Sources
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Source: Stack Overflow
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