72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#pragma once
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#include <mbgl/gfx/renderer_backend.hpp>
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#include <mbgl/util/size.hpp>
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#if MLN_WEBGPU_IMPL_DAWN
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#include <webgpu/webgpu.h>
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#elif MLN_WEBGPU_IMPL_WGPU
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#include <webgpu.h>
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#endif
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#include <mbgl/webgpu/wgpu_cpp_compat.hpp>
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#include <memory>
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namespace mbgl {
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class ProgramParameters;
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namespace gfx {
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class ShaderRegistry;
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}
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namespace webgpu {
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class Context;
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class RendererBackend : public gfx::RendererBackend {
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public:
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explicit RendererBackend(gfx::ContextMode);
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~RendererBackend() override;
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// getDefaultRenderable() is pure virtual - must be implemented by platform backends
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// Platform backends typically inherit from gfx::Renderable and return *this
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void initShaders(gfx::ShaderRegistry&, const ProgramParameters&) override;
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// Platform-specific surface creation
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void setSurface(void* nativeWindow);
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// WebGPU-specific methods
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// Emdawn hosts that use synchronous readback must create the instance with
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// WGPUInstanceFeatureName_TimedWaitAny enabled.
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void setInstance(void* instance);
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void setDevice(WGPUDevice device);
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void setQueue(WGPUQueue queue);
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void* getInstance() const;
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WGPUDevice getDevice() const;
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WGPUQueue getQueue() const;
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void* getSurface() const;
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// Surface texture access - can be overridden by platform backends
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virtual void* getCurrentTextureView();
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virtual void* getDepthStencilView();
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virtual mbgl::Size getFramebufferSize() const;
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void setDepthStencilFormat(wgpu::TextureFormat);
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wgpu::TextureFormat getDepthStencilFormat() const;
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void setColorFormat(wgpu::TextureFormat);
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wgpu::TextureFormat getColorFormat() const;
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protected:
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std::unique_ptr<gfx::Context> createContext() override;
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void activate() override;
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void deactivate() override;
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private:
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class Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace webgpu
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} // namespace mbgl
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