95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
// =============================================
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// Aster: model_loader.h
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// Copyright (c) 2020-2024 Anish Bhobe
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// =============================================
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#pragma once
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#include "buffer.h"
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#include "global.h"
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#include "image.h"
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#include "render_resource_manager.h"
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#include <tiny_gltf.h>
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struct TextureHandle;
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struct Texture;
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constexpr auto GLTF_ASCII_FILE_EXTENSION = ".gltf";
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constexpr auto GLTF_BINARY_FILE_EXTENSION = ".glb";
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struct MeshPrimitive
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{
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u32 m_VertexOffset;
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i32 m_NormalOffset; // <0 for invalid
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i32 m_TexCoord0Offset; // <0 for invalid
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u32 m_FirstIndex;
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u32 m_IndexCount;
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i32 m_MaterialIdx; // <0 for invalid
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};
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struct Material
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{
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vec4 m_AlbedoFactor;
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vec3 m_EmissionFactor;
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f32 m_MetalFactor;
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f32 m_RoughFactor;
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TextureHandle m_AlbedoTex;
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TextureHandle m_NormalTex;
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TextureHandle m_MetalRoughTex;
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TextureHandle m_OcclusionTex;
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TextureHandle m_EmissionTex;
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};
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struct Model
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{
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GpuResourceManager *m_ResourceManager;
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eastl::vector<TextureHandle> m_TextureHandles;
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BufferHandle m_MaterialsHandle;
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BufferHandle m_VertexPositionHandle;
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BufferHandle m_NormalHandle;
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BufferHandle m_TexCoord0Handle;
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IndexBuffer m_IndexBuffer;
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eastl::vector<MeshPrimitive> m_MeshPrimitives;
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Model(GpuResourceManager *resourceManager, eastl::vector<TextureHandle> &&textureHandles,
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BufferHandle materialsHandle, BufferHandle vertexPosHandle, BufferHandle normalHandle, BufferHandle uv0Handle,
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const IndexBuffer &indexBuffer, const eastl::vector<MeshPrimitive> &meshPrimitives);
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Model(Model &&other) noexcept;
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Model &operator=(Model &&other) noexcept;
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~Model();
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DISALLOW_COPY_AND_ASSIGN(Model);
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};
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struct ModelLoader
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{
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GpuResourceManager *const m_ResourceManager;
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vk::CommandPool m_CommandPool;
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vk::CommandBuffer m_CommandBuffer;
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vk::Queue m_TransferQueue;
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u32 m_TransferQueueIndex;
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u32 m_GraphicsQueueIndex;
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ModelLoader(GpuResourceManager *resourceManager, vk::Queue transferQueue, u32 transferQueueIndex,
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u32 graphicsQueueIndex);
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~ModelLoader();
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TextureHandle LoadImage(vk::CommandBuffer commandBuffer, StagingBuffer *stagingBuffer,
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tinygltf::Image *image) const;
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Model LoadModel(cstr path, cstr name = nullptr, bool batched = false);
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constexpr static auto ANormal = "NORMAL";
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constexpr static auto APosition = "POSITION";
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constexpr static auto ATangent = "TANGENT";
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constexpr static auto ATexCoord0 = "TEXCOORD_0";
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constexpr static auto ATexCoord1 = "TEXCOORD_1";
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constexpr static auto AJoints0 = "JOINTS_0";
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constexpr static auto AWeights0 = "WEIGHTS_0";
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}; |