138 lines
5.1 KiB
C++
138 lines
5.1 KiB
C++
#pragma once
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#include <mbgl/gfx/texture.hpp>
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#include <mbgl/gfx/draw_mode.hpp>
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#include <mbgl/gfx/depth_mode.hpp>
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#include <mbgl/gfx/stencil_mode.hpp>
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#include <mbgl/gfx/color_mode.hpp>
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#include <mbgl/gfx/texture2d.hpp>
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#include <mbgl/gfx/context.hpp>
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#include <mbgl/mtl/buffer_resource.hpp>
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#include <mbgl/mtl/mtl_fwd.hpp>
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#include <mbgl/util/noncopyable.hpp>
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#include <memory>
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#include <optional>
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#include <unordered_map>
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#include <vector>
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namespace mbgl {
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class ProgramParameters;
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class RenderStaticData;
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namespace shaders {
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struct ClipUBO;
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} // namespace shaders
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namespace mtl {
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class RenderPass;
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class RendererBackend;
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class ShaderProgram;
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using UniqueShaderProgram = std::unique_ptr<ShaderProgram>;
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class Context final : public gfx::Context {
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public:
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Context(RendererBackend&);
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~Context() noexcept override;
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Context(const Context&) = delete;
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Context& operator=(const Context& other) = delete;
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const RendererBackend& getBackend() const { return backend; }
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std::unique_ptr<gfx::CommandEncoder> createCommandEncoder() override;
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gfx::RenderingStats& renderingStats() { return stats; }
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const gfx::RenderingStats& renderingStats() const override { return stats; }
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BufferResource createBuffer(const void* data, std::size_t size, gfx::BufferUsageType) const;
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UniqueShaderProgram createProgram(std::string name,
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std::string_view source,
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std::string_view vertexName,
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std::string_view fragmentName,
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const ProgramParameters& programParameters,
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const std::unordered_map<std::string, std::string>& additionalDefines);
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MTLTexturePtr createMetalTexture(MTLTextureDescriptorPtr textureDescriptor) const;
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MTLSamplerStatePtr createMetalSamplerState(MTLSamplerDescriptorPtr samplerDescriptor) const;
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// Actually remove the objects we marked as abandoned with the above methods.
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void performCleanup() override {}
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void reduceMemoryUsage() override {}
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gfx::UniqueDrawableBuilder createDrawableBuilder(std::string name) override;
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gfx::UniformBufferPtr createUniformBuffer(const void* data, std::size_t size) override;
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gfx::ShaderProgramBasePtr getGenericShader(gfx::ShaderRegistry&, const std::string& name) override;
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TileLayerGroupPtr createTileLayerGroup(int32_t layerIndex, std::size_t initialCapacity, std::string name) override;
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LayerGroupPtr createLayerGroup(int32_t layerIndex, std::size_t initialCapacity, std::string name) override;
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gfx::Texture2DPtr createTexture2D() override;
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RenderTargetPtr createRenderTarget(const Size size, const gfx::TextureChannelDataType type) override;
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// UniqueFramebuffer createFramebuffer(const gfx::Texture2D& color);
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void resetState(gfx::DepthMode depthMode, gfx::ColorMode colorMode) override;
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void setDirtyState() override;
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std::unique_ptr<gfx::OffscreenTexture> createOffscreenTexture(Size, gfx::TextureChannelDataType, bool, bool);
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std::unique_ptr<gfx::OffscreenTexture> createOffscreenTexture(Size, gfx::TextureChannelDataType) override;
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std::unique_ptr<gfx::TextureResource> createTextureResource(Size,
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gfx::TexturePixelType,
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gfx::TextureChannelDataType) override;
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std::unique_ptr<gfx::RenderbufferResource> createRenderbufferResource(gfx::RenderbufferPixelType,
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Size size) override;
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std::unique_ptr<gfx::DrawScopeResource> createDrawScopeResource() override;
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/*
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UniqueFramebuffer createFramebuffer();
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std::unique_ptr<uint8_t[]> readFramebuffer(Size, gfx::TexturePixelType, bool flip);
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*/
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#if !defined(NDEBUG)
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void visualizeStencilBuffer() override;
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void visualizeDepthBuffer(float depthRangeSize) override;
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#endif
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void clearStencilBuffer(int32_t) override;
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MTLDepthStencilStatePtr makeDepthStencilState(const gfx::DepthMode& depthMode,
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const gfx::StencilMode& stencilMode,
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const mtl::RenderPass& renderPass) const;
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virtual bool emplaceOrUpdateUniformBuffer(gfx::UniformBufferPtr&, const void* data, std::size_t size);
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/// Get a reusable buffer containing the standard fixed tile vertices (+/- `util::EXTENT`)
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const BufferResource& getTileVertexBuffer();
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/// Get a reusable buffer containing the standard fixed tile indexes
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const BufferResource& getTileIndexBuffer();
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bool renderTileClippingMasks(gfx::RenderPass& renderPass,
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RenderStaticData& staticData,
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const std::vector<shaders::ClipUBO>& tileUBOs);
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private:
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RendererBackend& backend;
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bool cleanupOnDestruction = true;
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std::optional<BufferResource> tileVertexBuffer;
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std::optional<BufferResource> tileIndexBuffer;
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gfx::RenderingStats stats;
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};
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} // namespace mtl
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} // namespace mbgl
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