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1a6571f596
For further development of features, we need to create off-screen buffers that will allow us to implement functionality related to composition and blending, as well as for loading data to system memory from the framebuffer. Separating the framebuffer into a separate entity allows you to create several instances of them, switch between them, and blend them according to given rules. For current time we have only a single render target instance, that have a handle to drawing into surface surface, like a native window. New approach allows: - offscreen rendering - render pass handling - switching between render targets - ability to render images, strokes and shapes into independent render targets
81 lines
3.2 KiB
C++
81 lines
3.2 KiB
C++
/*
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* Copyright (c) 2023 the ThorVG project. All rights reserved.
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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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#ifndef _TVG_WG_RENDERER_H_
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#define _TVG_WG_RENDERER_H_
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#include "tvgWgRenderTarget.h"
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class WgRenderer : public RenderMethod
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{
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private:
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WgRenderer();
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~WgRenderer();
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void initialize();
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void release();
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public:
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RenderData prepare(const RenderShape& rshape, RenderData data, const RenderTransform* transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags, bool clipper);
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RenderData prepare(const Array<RenderData>& scene, RenderData data, const RenderTransform* transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags);
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RenderData prepare(Surface* surface, const RenderMesh* mesh, RenderData data, const RenderTransform* transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags);
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bool preRender();
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bool renderShape(RenderData data);
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bool renderImage(RenderData data);
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bool postRender();
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bool dispose(RenderData data);
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RenderRegion region(RenderData data);
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RenderRegion viewport();
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bool viewport(const RenderRegion& vp);
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bool blend(BlendMethod method);
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ColorSpace colorSpace();
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bool clear();
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bool sync();
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bool target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h);
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bool target(void* window, uint32_t w, uint32_t h); // temporary solution
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Compositor* target(const RenderRegion& region, ColorSpace cs);
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bool beginComposite(Compositor* cmp, CompositeMethod method, uint8_t opacity);
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bool endComposite(Compositor* cmp);
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static WgRenderer* gen();
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static bool init(uint32_t threads);
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static bool term();
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private:
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Array<RenderData> mRenderDatas{};
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Surface mTargetSurface = { nullptr, 0, 0, 0, ColorSpace::Unsupported, true };
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// basic webgpu instances (TODO: create separated entity)
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WGPUInstance mInstance{};
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WGPUAdapter mAdapter{};
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WGPUDevice mDevice{};
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WGPUQueue mQueue{};
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// webgpu surface handles (TODO: create separated entity)
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WGPUSurface mSurface{};
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WGPUSwapChain mSwapChain{};
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WgPipelines mPipelines;
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WgRenderTarget mRenderTarget;
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bool mClearBuffer;
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};
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#endif /* _TVG_WG_RENDERER_H_ */
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