V9990SDLRasterizer.hh

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#ifndef V9990SDLRASTERIZER_HH
#define V9990SDLRASTERIZER_HH
 
#include "V9990Rasterizer.hh"
#include "V9990BitmapConverter.hh"
#include "V9990PxConverter.hh"
#include "Observer.hh"
#include <array>
#include <concepts>
#include <memory>
 
namespace openmsx {
 
class Display;
class V9990;
class V9990VRAM;
class RawFrame;
class OutputSurface;
class RenderSettings;
class Setting;
class PostProcessor;
 
template<std::unsigned_integral Pixel>
class V9990SDLRasterizer final : public V9990Rasterizer
                               , private Observer<Setting>
{
public:
        V9990SDLRasterizer(
                V9990& vdp, Display& display, OutputSurface& screen,
                std::unique_ptr<PostProcessor> postProcessor);
        ~V9990SDLRasterizer() override;
        V9990SDLRasterizer(const V9990SDLRasterizer&) = delete;
        V9990SDLRasterizer& operator=(const V9990SDLRasterizer&) = delete;
 
        // Rasterizer interface:
        [[nodiscard]] PostProcessor* getPostProcessor() const override;
        [[nodiscard]] bool isActive() override;
        void reset() override;
        void frameStart() override;
        void frameEnd(EmuTime::param time) override;
        void setDisplayMode(V9990DisplayMode displayMode) override;
        void setColorMode(V9990ColorMode colorMode) override;
        void setPalette(int index, byte r, byte g, byte b, bool ys) override;
        void setSuperimpose(bool enabled) override;
        void drawBorder(int fromX, int fromY, int limitX, int limitY) override;
        void drawDisplay(int fromX, int fromY, int toX, int toY,
                         int displayX,
                         int displayY, int displayYA, int displayYB) override;
        [[nodiscard]] bool isRecording() const override;
 
        void preCalcPalettes();
        void resetPalette();
 
        void drawP1Mode(int fromX, int fromY, int displayX,
                        int displayY, int displayYA, int displayYB,
                        int displayWidth, int displayHeight, bool drawSprites);
        void drawP2Mode(int fromX, int fromY, int displayX,
                        int displayY, int displayYA,
                        int displayWidth, int displayHeight, bool drawSprites);
        void drawBxMode(int fromX, int fromY, int displayX,
                        int displayY, int displayYA,
                        int displayWidth, int displayHeight, bool drawSprites);
 
        // Observer<Setting>
        void update(const Setting& setting) noexcept override;
 
private:
        static constexpr int SCREEN_WIDTH  = 320;
 
        static constexpr int SCREEN_HEIGHT = 240;
 
        V9990& vdp;
 
        V9990VRAM& vram;
 
        OutputSurface& screen;
 
        std::unique_ptr<RawFrame> workFrame;
 
        RenderSettings& renderSettings;
 
        int lineRenderTop;
 
        int colZero;
 
        V9990DisplayMode displayMode = P1; // dummy value
        V9990ColorMode   colorMode   = PP; //   avoid UMR
 
        std::array<Pixel, 32768> palette32768;
 
        std::array<Pixel, 256> palette256;         // from index to host Pixel color
        std::array<int16_t, 256> palette256_32768; // from index to 15bpp V9990 color
        // invariant: palette256[i] == palette32768[palette256_32768[i]]
 
        std::array<Pixel, 64> palette64;         // from index to host Pixel color
        std::array<int16_t, 64> palette64_32768; // from index to 15bpp V9990 color
        // invariant: palette64[i] == palette32768[palette64_32768[i]]
 
        const std::unique_ptr<PostProcessor> postProcessor;
 
        V9990BitmapConverter<Pixel> bitmapConverter;
        V9990P1Converter<Pixel> p1Converter;
        V9990P2Converter<Pixel> p2Converter;
};
 
} // namespace openmsx
 
#endif