195 lines
9.6 KiB
C++
195 lines
9.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef SCI_GRAPHICS_DRIVERS_GFXDRIVER_INTERN_H
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#define SCI_GRAPHICS_DRIVERS_GFXDRIVER_INTERN_H
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#include "common/platform.h"
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#include "sci/graphics/drivers/gfxdriver.h"
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namespace Sci {
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class GfxDefaultDriver : public GfxDriver {
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public:
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GfxDefaultDriver(uint16 screenWidth, uint16 screenHeight, bool isSCI0, bool rgbRendering);
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~GfxDefaultDriver() override;
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void initScreen(const Graphics::PixelFormat *srcRGBFormat) override; // srcRGBFormat: expect incoming data to have the specified rgb pixel format (used for Mac hicolor videos)
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void setPalette(const byte *colors, uint start, uint num, bool update, const PaletteMod *palMods, const byte *palModMapping) override;
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void copyRectToScreen(const byte *src, int srcX, int srcY, int pitch, int destX, int destY, int w, int h, const PaletteMod *palMods, const byte *palModMapping) override;
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void replaceCursor(const void *cursor, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor) override;
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void replaceMacCursor(const Graphics::Cursor*) override;
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void copyCurrentBitmap(byte *dest, uint32 size) const override;
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void copyCurrentPalette(byte *dest, int start, int num) const override;
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void drawTextFontGlyph(const byte*, int, int, int, int, int, int, const PaletteMod*, const byte*) override; // Only for HiRes fonts. Not implemented here.
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bool supportsPalIntensity() const override { return true; }
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bool supportsHiResGraphics() const override { return false; }
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bool driverBasedTextRendering() const override { return false; }
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protected:
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void updatePalette(const byte *colors, uint start, uint num);
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byte *_compositeBuffer;
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byte *_currentBitmap;
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byte *_currentPalette;
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byte *_internalPalette;
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uint16 _virtualW;
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uint16 _virtualH;
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Graphics::PixelFormat _format;
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byte _srcPixelSize;
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bool _cursorUsesScreenPalette;
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const bool _alwaysCreateBmpBuffer;
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const bool _requestRGBMode;
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typedef void (*ColorConvProc)(byte*, const byte*, int, int, int, const byte*);
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ColorConvProc _colorConv;
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typedef void (*ColorConvModProc)(byte*, const byte*, int, int, int, const byte*, const byte*, Graphics::PixelFormat&, const PaletteMod*, const byte*);
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ColorConvModProc _colorConvMod;
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private:
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void generateOutput(byte *dst, const byte *src, int pitch, int w, int h, const PaletteMod *palMods, const byte *palModMapping);
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};
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class SCI0_DOSPreVGADriver : public GfxDriver {
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public:
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SCI0_DOSPreVGADriver(int numColors, int screenW, int screenH, bool rgbRendering);
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~SCI0_DOSPreVGADriver() override;
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void initScreen(const Graphics::PixelFormat*) override;
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void setPalette(const byte*, uint, uint, bool, const PaletteMod*, const byte*) override {}
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void replaceMacCursor(const Graphics::Cursor*) override;
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void copyCurrentBitmap(byte*, uint32) const override;
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void drawTextFontGlyph(const byte*, int, int, int, int, int, int, const PaletteMod*, const byte*) override; // Only for HiRes fonts. Not implemented here.
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void copyCurrentPalette(byte *dest, int start, int num) const override;
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bool supportsPalIntensity() const override { return false; }
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bool supportsHiResGraphics() const override { return false; }
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bool driverBasedTextRendering() const override { return false; }
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protected:
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void assignPalette(const byte *colors);
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byte *_compositeBuffer;
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const byte *_internalPalette;
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private:
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virtual void setupRenderProc() = 0;
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const bool _requestRGBMode;
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const byte *_colors;
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};
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class UpscaledGfxDriver : public GfxDefaultDriver {
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public:
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UpscaledGfxDriver(int16 textAlignX, bool scaleCursor, bool rgbRendering);
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~UpscaledGfxDriver() override;
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void initScreen(const Graphics::PixelFormat *format) override;
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void setPalette(const byte *colors, uint start, uint num, bool update, const PaletteMod *palMods, const byte *palModMapping) override;
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void copyRectToScreen(const byte *src, int srcX, int srcY, int pitch, int destX, int destY, int w, int h, const PaletteMod *palMods, const byte *palModMapping) override;
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void replaceCursor(const void *cursor, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor) override;
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Common::Point getMousePos() const override;
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void setMousePos(const Common::Point &pos) const override;
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void setShakePos(int shakeXOffset, int shakeYOffset) const override;
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void clearRect(const Common::Rect &r) const override;
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Common::Point getRealCoords(Common::Point &pos) const override;
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void drawTextFontGlyph(const byte *src, int pitch, int hiresDestX, int hiresDestY, int hiresW, int hiresH, int transpColor, const PaletteMod *palMods, const byte *palModMapping) override; // For HiRes fonts.
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bool driverBasedTextRendering() const override { return true; }
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protected:
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UpscaledGfxDriver(uint16 scaledW, uint16 scaledH, int16 textAlignX, bool scaleCursor, bool rgbRendering);
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void updateScreen(int destX, int destY, int w, int h, const PaletteMod *palMods, const byte *palModMapping);
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void adjustCursorBuffer(uint16 newWidth, uint16 newHeight);
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typedef void (*GlyphRenderProc)(byte*, int, const byte*, int, int, int, int);
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GlyphRenderProc _renderGlyph;
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typedef void (*ScaledRenderProc)(byte*, const byte*, int, int, int);
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ScaledRenderProc _renderScaled;
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uint16 _textAlignX;
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uint16 _hScaleMult;
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uint16 _vScaleMult;
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uint16 _vScaleDiv;
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byte *_scaledBitmap;
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private:
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virtual void renderBitmap(const byte *src, int pitch, int dx, int dy, int w, int h, int &realWidth, int &realHeight);
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const bool _scaleCursor;
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uint16 _cursorWidth;
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uint16 _cursorHeight;
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bool _needCursorBuffer;
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};
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class SCI1_EGADriver : public GfxDriver {
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public:
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SCI1_EGADriver(bool rgbRendering);
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~SCI1_EGADriver() override;
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void initScreen(const Graphics::PixelFormat*) override;
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void setPalette(const byte *colors, uint start, uint num, bool update, const PaletteMod*, const byte*) override;
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void copyRectToScreen(const byte *src, int srcX, int srcY, int pitch, int destX, int destY, int w, int h, const PaletteMod*, const byte*) override;
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void replaceCursor(const void *cursor, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor) override;
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void replaceMacCursor(const Graphics::Cursor *cursor) override {}
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void copyCurrentBitmap(byte *dest, uint32 size) const override;
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void copyCurrentPalette(byte *dest, int start, int num) const override;
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void drawTextFontGlyph(const byte*, int, int, int, int, int, int, const PaletteMod*, const byte*) override; // Only for HiRes fonts. Not implemented here.
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Common::Point getMousePos() const override;
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void setMousePos(const Common::Point &pos) const override;
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void setShakePos(int shakeXOffset, int shakeYOffset) const override;
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void clearRect(const Common::Rect &r) const override;
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Common::Point getRealCoords(Common::Point &pos) const override;
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bool supportsPalIntensity() const override { return false; }
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bool supportsHiResGraphics() const override { return false; }
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bool driverBasedTextRendering() const override { return false; }
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static bool validateMode(Common::Platform p) { return (p == Common::kPlatformDOS || p == Common::kPlatformWindows) && checkDriver(&_driverFile, 1); }
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protected:
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typedef void (*LineProc)(byte*&, const byte*, int, const byte*, const byte*, bool);
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LineProc _renderLine;
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const byte *_convPalette;
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uint16 _vScaleMult, _vScaleDiv;
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const byte *_egaMatchTable;
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byte *_egaColorPatterns;
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uint8 _colAdjust;
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byte *_compositeBuffer;
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byte *_currentPalette;
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private:
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virtual void loadData();
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virtual void renderBitmap(byte *dst, const byte *src, int pitch, int y, int w, int h, const byte *patterns, const byte *palette, uint16 &realWidth, uint16 &realHeight);
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byte *_currentBitmap;
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const byte *_internalPalette;
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const bool _requestRGBMode;
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static const char *_driverFile;
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};
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#define GFXDRV_ASSERT_READY \
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if (!_ready) \
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error("%s(): initScreen() must be called before using this method", __FUNCTION__)
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#define GFXDRV_ERR_OPEN(x) \
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error("%s(): Failed to open '%s'", __FUNCTION__, x)
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#define GFXDRV_ERR_VERSION(x) \
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error("%s(): Driver file '%s' unknown version", __FUNCTION__, x)
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#define SCI_GFXDRV_VALIDATE_IMPL(name) \
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bool name##Driver_validateMode(Common::Platform platform) { \
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return name##Driver::validateMode(platform); \
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}
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} // End of namespace Sci
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namespace SciGfxDrvInternal {
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template <typename T> void updateRGBPalette(byte *dest, const byte *src, uint start, uint num, Graphics::PixelFormat &f);
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template <typename T> void scale2x(byte *dst, const byte *src, int pitch, int w, int h);
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void updateBitmapBuffer(byte *dst, int dstPitch, const byte *src, int srcPitch, int x, int y, int w, int h);
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byte findColorInPalette(uint32 rgbTriplet, const byte *palette, int numColors);
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void renderWinMonochromeCursor(byte *dst, const void *src, const byte *palette, uint &w, uint &h, int &hotX, int &hotY, byte blackColor, byte whiteColor, uint32 &keycolor, bool noScale);
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void renderPC98GlyphFat(byte *dst, int dstPitch, const byte *src, int srcPitch, int w, int h, int transpCol);
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const byte *monochrInit(const char *drvFile, bool &earlyVersion);
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} // End of namespace SciGfxDrvInternal
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#endif // SCI_GRAPHICS_DRIVERS_GFXDRIVER_INTERN_H
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