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26501b0fd7
Ordering them before the imports in the same file was not enough: a project header on line 1 can import a module several levels down whose global module fragment already pulled in the same standard header, and that include guard does not cross the module boundary. Putting them first means the guard is set before anything can import. Skips vendored single-header libraries and anything inside an #if.
100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/*
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* Copyright (c) 2014-2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*
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License for Dear ImGui
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Copyright (c) 2014-2019 Omar Cornut
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#include <cstddef>
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#include <memory>
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#include <unordered_map>
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#include <vector>
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#include <stdint.h>
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#include <nvrhi/nvrhi.h>
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#include <imgui/imgui.h>
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#include "nvtexture.h"
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struct ImGui_NVRHI
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{
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nvrhi::DeviceHandle renderer;
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nvrhi::CommandListHandle m_commandList;
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nvrhi::ShaderHandle vertexShader;
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nvrhi::ShaderHandle pixelShader;
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nvrhi::InputLayoutHandle shaderAttribLayout;
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nvrhi::TextureHandle fontTexture;
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nvrhi::SamplerHandle fontSampler;
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nvrhi::BufferHandle vertexBuffer;
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nvrhi::BufferHandle indexBuffer;
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nvrhi::BindingLayoutHandle bindingLayout;
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nvrhi::GraphicsPipelineDesc basePSODesc;
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nvrhi::GraphicsPipelineHandle pso;
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std::unordered_map<nvrhi::ITexture*, nvrhi::BindingSetHandle> bindingsCache;
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std::vector<ImDrawVert> vtxBuffer;
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std::vector<ImDrawIdx> idxBuffer;
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NvTextureManager* textureManager;
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bool init(class NvRendererBackend *backend);
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bool beginFrame();
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bool render(nvrhi::IFramebuffer* framebuffer);
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void backbufferResizing();
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private:
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bool reallocateBuffer(nvrhi::BufferHandle& buffer, size_t requiredSize, size_t reallocateSize, bool isIndexBuffer);
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bool createFontTexture(nvrhi::ICommandList* commandList);
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nvrhi::IGraphicsPipeline* getPSO(nvrhi::IFramebuffer* fb);
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nvrhi::IBindingSet* getBindingSet(void* handle);
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bool updateGeometry(nvrhi::ICommandList* commandList);
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};
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