V9990PixelRenderer.hh

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#ifndef V9990PIXELRENDERER_HH
#define V9990PIXELRENDERER_HH
 
#include "V9990Renderer.hh"
#include "Observer.hh"
#include "RenderSettings.hh"
#include "openmsx.hh"
#include <memory>
 
namespace openmsx {
 
class V9990;
class V9990Rasterizer;
class Setting;
class EventDistributor;
class RealTime;
class VideoSourceSetting;
 
class V9990PixelRenderer final : public V9990Renderer
                               , private Observer<Setting>
{
public:
        explicit V9990PixelRenderer(V9990& vdp);
        ~V9990PixelRenderer() override;
 
        // V9990Renderer interface:
        [[nodiscard]] PostProcessor* getPostProcessor() const override;
        void reset(EmuTime::param time) override;
        void frameStart(EmuTime::param time) override;
        void frameEnd(EmuTime::param time) override;
        void updateDisplayEnabled(bool enabled, EmuTime::param time) override;
        void setDisplayMode(V9990DisplayMode mode, EmuTime::param time) override;
        void setColorMode(V9990ColorMode mode, EmuTime::param time) override;
        void updatePalette(int index, byte r, byte g, byte b, bool ys,
                           EmuTime::param time) override;
        void updateSuperimposing(bool enabled, EmuTime::param time) override;
        void updateBackgroundColor(int index, EmuTime::param time) override;
        void updateScrollAX(EmuTime::param time) override;
        void updateScrollBX(EmuTime::param time) override;
        void updateScrollAYLow(EmuTime::param time) override;
        void updateScrollBYLow(EmuTime::param time) override;
 
private:
        void sync(EmuTime::param time, bool force = false);
        void renderUntil(EmuTime::param time) override;
 
        enum DrawType {
                DRAW_BORDER,
                DRAW_DISPLAY
        };
 
        void draw(int fromX, int fromY, int toX, int toY, DrawType type);
 
        void subdivide(int fromX, int fromY, int toX, int toY,
                       int clipL, int clipR, DrawType drawType);
 
        // Observer<Setting>
        void update(const Setting& setting) noexcept override;
 
private:
        V9990& vdp;
 
        EventDistributor& eventDistributor;
        RealTime& realTime;
 
        RenderSettings& renderSettings;
        VideoSourceSetting& videoSourceSetting;
 
        const std::unique_ptr<V9990Rasterizer> rasterizer;
 
        float finishFrameDuration{0.0f};
        int frameSkipCounter{999}; // force drawing of frame;
 
        RenderSettings::Accuracy accuracy;
 
        int lastY;
 
        int lastX;
 
        int verticalOffsetA;
        int verticalOffsetB;
 
        bool displayEnabled;
 
        bool drawFrame{false}; // don't draw before frameStart is called
        bool prevDrawFrame{false};
};
 
} // namespace openmsx
 
#endif