mirror of
https://github.com/EduApps-CDG/OpenDX
synced 2024-12-30 09:45:37 +01:00
6ea21d57fe
Since mip map generation is a blit operation, we can make a more general-purpose blitter and implement mip map generation on top of that.
94 lines
2.0 KiB
C++
94 lines
2.0 KiB
C++
#pragma once
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#include <vector>
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#include "dxvk_meta_blit.h"
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namespace dxvk {
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/**
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* \brief Mip map generation render pass
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*
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* Stores image views, framebuffer objects and
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* a render pass object for mip map generation.
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* This must be created per image view.
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*/
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class DxvkMetaMipGenRenderPass : public DxvkResource {
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public:
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DxvkMetaMipGenRenderPass(
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const Rc<vk::DeviceFn>& vkd,
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const Rc<DxvkImageView>& view);
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~DxvkMetaMipGenRenderPass();
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/**
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* \brief Render pass handle
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* \returns Render pass handle
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*/
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VkRenderPass renderPass() const {
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return m_renderPass;
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}
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/**
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* \brief Source image view type
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*
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* Use this to figure out which type the
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* resource descriptor needs to have.
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* \returns Source image view type
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*/
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VkImageViewType viewType() const {
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return m_srcViewType;
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}
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/**
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* \brief Render pass count
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*
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* Number of mip levels to generate.
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* \returns Render pass count
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*/
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uint32_t passCount() const {
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return m_passes.size();
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}
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/**
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* \brief Framebuffer handles
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*
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* Returns image view and framebuffer handles
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* required to generate a single mip level.
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* \param [in] pass Render pass index
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* \returns Object handles for the given pass
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*/
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DxvkMetaBlitPass pass(uint32_t passId) const {
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return m_passes.at(passId);
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}
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/**
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* \brief Framebuffer size for a given pass
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*
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* Stores the width, height, and layer count
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* of the framebuffer for the given pass ID.
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*/
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VkExtent3D passExtent(uint32_t passId) const;
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private:
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Rc<vk::DeviceFn> m_vkd;
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Rc<DxvkImageView> m_view;
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VkRenderPass m_renderPass;
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VkImageViewType m_srcViewType;
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VkImageViewType m_dstViewType;
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std::vector<DxvkMetaBlitPass> m_passes;
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VkRenderPass createRenderPass() const;
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DxvkMetaBlitPass createFramebuffer(uint32_t pass) const;
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};
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}
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