82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#ifndef SOFTWARECANVASRENDERER_H
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#define SOFTWARECANVASRENDERER_H
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#include "software_global.h"
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#include "SoftwareRenderer.h"
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namespace paysages {
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namespace software {
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/**
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* @brief Software rendering inside a Canvas surface.
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*
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* This class launches the rasterization process into canvas portions and
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* redirects post processing to the software renderer.
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*
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* It tries to keep a canvas portion rasterized ahead of the post processing.
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*/
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class SOFTWARESHARED_EXPORT SoftwareCanvasRenderer: public SoftwareRenderer
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{
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public:
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SoftwareCanvasRenderer();
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virtual ~SoftwareCanvasRenderer();
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inline const Canvas *getCanvas() const {return canvas;}
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inline double getProgress() const {return progress;}
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/**
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* Set the renderer configuration.
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*/
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void setConfig(const RenderConfig &config);
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/**
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* @brief Set the rendering size in pixels.
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*
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* Set 'samples' to something bigger than 1 to allow for the multi-sampling of pixels.
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*/
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void setSize(int width, int height, int samples=1);
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/**
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* @brief Start the two-pass render process.
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*/
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void render();
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/**
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* @brief Interrupt the render process.
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*/
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void interrupt();
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/**
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* Get a rasterizer by its client id.
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*/
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const Rasterizer &getRasterizer(int client_id) const;
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protected:
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/**
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* @brief Rasterize the scenery into a canvas portion.
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*/
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void rasterize(CanvasPortion *portion);
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/**
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* @brief Apply pixel shader to fragments stored in the CanvasPortion.
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*/
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void applyPixelShader(CanvasPortion *portion);
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private:
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double progress;
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double progress_segment;
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Canvas *canvas;
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std::vector<Rasterizer*> rasterizers;
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bool started;
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bool interrupted;
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ParallelWork *current_work;
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};
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}
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}
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#endif // SOFTWARECANVASRENDERER_H
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