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65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
#pragma once
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#include "Common/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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// Not very optimal - if you have many small textures you should use other strategies.
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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 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);
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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 std::string &tag) {
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tag_ = tag;
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}
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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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