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Henrik RydgårdandClaude Opus 5.5
e666ab49de
Nothing reads from textures or storage buffers in vertex shaders since hardware tessellation was removed. Drop what was left for it: the vertexTexture flag of VulkanTexture::EndCreate (always false), the STORAGE_BUFFER_VERTEX binding type, GL's maxVertexTextureUnits, and the tesselationShaderSupported cap, which nothing read (and which was always false, since the feature was never enabled). Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
#pragma once
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#include <cstdint>
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#include "VulkanLoader.h"
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#include "Common/Data/Collections/FastVec.h"
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class VulkanContext;
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class VulkanDeviceAllocator;
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VK_DEFINE_HANDLE(VmaAllocation);
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class VulkanBarrierBatch;
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struct TextureCopyBatch {
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FastVec<VkBufferImageCopy> copies;
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VkBuffer buffer = VK_NULL_HANDLE;
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void reserve(size_t mips) { copies.reserve(mips); }
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bool empty() const { return copies.empty(); }
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};
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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(const VulkanTexture &) = delete;
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VulkanTexture &operator=(const VulkanTexture &) = delete;
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VulkanTexture(VulkanContext *vulkan, const char *tag);
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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(int w, int h, int depth, int numMips, VkFormat format, VkImageLayout initialLayout, VkImageUsageFlags usage, VulkanBarrierBatch *barrierBatch, const VkComponentMapping *mapping = nullptr);
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void ClearMip(VkCommandBuffer cmd, int mip, uint32_t value);
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// Can also be used to copy individual levels of a 3D texture.
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// If possible, will just add to the batch instead of submitting a copy.
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void CopyBufferToMipLevel(VkCommandBuffer cmd, TextureCopyBatch *copyBatch, int mip, int mipWidth, int mipHeight, int depthLayer, VkBuffer buffer, uint32_t offset, size_t rowLength); // rowLength is in pixels
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// Same, but only covers a rectangle of the mip level instead of all of it.
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void CopyBufferToMipLevelRegion(VkCommandBuffer cmd, TextureCopyBatch *copyBatch, int mip, int x, int y, int w, int h, int depthLayer, VkBuffer buffer, uint32_t offset, size_t rowLength); // rowLength is in pixels
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void FinishCopyBatch(VkCommandBuffer cmd, TextureCopyBatch *copyBatch);
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void GenerateMips(VkCommandBuffer cmd, int firstMipToGenerate, bool fromCompute);
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void EndCreate(VkCommandBuffer cmd, VkPipelineStageFlags prevStage, VkImageLayout layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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// For updating levels after creation. Careful with the timelines!
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void PrepareForTransferDst(VkCommandBuffer cmd, int levels);
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void RestoreAfterTransferDst(int levels, VulkanBarrierBatch *barriers);
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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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const char *Tag() const {
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return tag_;
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}
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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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// For use with some shaders, we might want to view it as a single entry array for convenience.
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VkImageView GetImageArrayView() const { return arrayView_; }
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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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VkImageView arrayView_ = VK_NULL_HANDLE;
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VmaAllocation allocation_ = VK_NULL_HANDLE;
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int16_t width_ = 0;
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int16_t height_ = 0;
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int16_t numMips_ = 1;
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int16_t depth_ = 1;
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VkFormat format_ = VK_FORMAT_UNDEFINED;
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char tag_[64];
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};
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