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c48bdf7efc
We're already in GENERAL so probably not worth to transfer to DST just to do even more transfers due to the silliness of GenerateMip. I'm planning to rework the whole texture upload thing to be far more optimal with some kind of TextureUploadManager Fixes #13987
66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
#pragma once
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#include "Common/GPU/Vulkan/VulkanContext.h"
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class VulkanDeviceAllocator;
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// Wrapper around what you need to use a texture.
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// ALWAYS use an allocator when calling CreateDirect.
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class VulkanTexture {
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public:
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VulkanTexture(VulkanContext *vulkan)
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: vulkan_(vulkan) {
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}
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~VulkanTexture() {
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Destroy();
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}
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// Fast uploads from buffer. Mipmaps supported.
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// Usage must at least include VK_IMAGE_USAGE_TRANSFER_DST_BIT in order to use UploadMip.
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// When using UploadMip, initialLayout should be VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL.
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bool CreateDirect(VkCommandBuffer cmd, VulkanDeviceAllocator *allocator, int w, int h, int numMips, VkFormat format, VkImageLayout initialLayout, VkImageUsageFlags usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, const VkComponentMapping *mapping = nullptr);
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void ClearMip(VkCommandBuffer cmd, int mip, uint32_t value);
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void UploadMip(VkCommandBuffer cmd, int mip, int mipWidth, int mipHeight, VkBuffer buffer, uint32_t offset, size_t rowLength); // rowLength is in pixels
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void GenerateMip(VkCommandBuffer cmd, int mip, VkImageLayout imageLayout);
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void EndCreate(VkCommandBuffer cmd, bool vertexTexture = false, VkImageLayout layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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// When loading mips from compute shaders, you need to pass VK_IMAGE_LAYOUT_GENERAL to the above function.
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// In addition, ignore UploadMip and GenerateMip, and instead use GetViewForMip. Make sure to delete the returned views when used.
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VkImageView CreateViewForMip(int mip);
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void Destroy();
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void SetTag(const char *tag) {
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tag_ = tag;
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}
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const std::string &Tag() const {
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return tag_;
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}
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void Touch();
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// Used in image copies, etc.
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VkImage GetImage() const { return image_; }
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// Used for sampling, generally.
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VkImageView GetImageView() const { return view_; }
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int32_t GetWidth() const { return width_; }
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int32_t GetHeight() const { return height_; }
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int32_t GetNumMips() const { return numMips_; }
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VkFormat GetFormat() const { return format_; }
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private:
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void Wipe();
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VulkanContext *vulkan_;
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VkImage image_ = VK_NULL_HANDLE;
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VkImageView view_ = VK_NULL_HANDLE;
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VkDeviceMemory mem_ = VK_NULL_HANDLE;
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int32_t width_ = 0;
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int32_t height_ = 0;
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int32_t numMips_ = 1;
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VkFormat format_ = VK_FORMAT_UNDEFINED;
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VulkanDeviceAllocator *allocator_ = nullptr; // If set, memory is from this allocator.
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size_t offset_ = 0;
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std::string tag_;
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};
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