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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef BACKENDS_GRAPHICS3D_IOS_IOS_GRAPHICS3D_H
#define BACKENDS_GRAPHICS3D_IOS_IOS_GRAPHICS3D_H
#if defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS)
#include "common/scummsys.h"
#include "backends/graphics/windowed.h"
#include "backends/graphics/ios/ios-graphics.h"
#include "backends/graphics3d/opengl/framebuffer.h"
#include "backends/graphics3d/opengl/tiledsurface.h"
#include "backends/graphics3d/opengl/surfacerenderer.h"
class iOSGraphics3dManager : virtual public WindowedGraphicsManager, public iOSCommonGraphics {
public:
iOSGraphics3dManager();
virtual ~iOSGraphics3dManager();
//WindowedGraphicsManager
bool gameNeedsAspectRatioCorrection() const override;
void handleResizeImpl(const int width, const int height) override;
virtual void setSystemMousePosition(const int x, const int y) override {};
//iOSCommonGraphics
void initSurface() override;
void deinitSurface() override;
void notifyResize(const int width, const int height) override;
virtual iOSCommonGraphics::State getState() const override;
virtual bool setState(const iOSCommonGraphics::State &state) override;
bool notifyMousePosition(Common::Point &mouse) override;
Common::Point getMousePosition() override { return Common::Point(_cursorX, _cursorY); }
// GraphicsManager API - Features
bool hasFeature(OSystem::Feature f) const override;
bool getFeatureState(OSystem::Feature f) const override;
void setFeatureState(OSystem::Feature f, bool enable) override;
const OSystem::GraphicsMode *getSupportedGraphicsModes() const override;
int getDefaultGraphicsMode() const override;
bool setGraphicsMode(int mode, uint flags = OSystem::kGfxModeNoFlags) override;
int getGraphicsMode() const override;
void beginGFXTransaction() override {}
OSystem::TransactionError endGFXTransaction() override {
return OSystem::kTransactionSuccess;
}
// GraphicsManager API - Graphics mode
#ifdef USE_RGB_COLOR
Graphics::PixelFormat getScreenFormat() const override { return _overlayFormat; }
Common::List<Graphics::PixelFormat> getSupportedFormats() const override {
Common::List<Graphics::PixelFormat> supportedFormats;
return supportedFormats;
}
#endif
int getScreenChangeID() const override { return _screenChangeCount; }
void initSize(uint w, uint h, const Graphics::PixelFormat *format) override;
int16 getHeight() const override;
int16 getWidth() const override;
float getHiDPIScreenFactor() const override;
// GraphicsManager API - Draw methods
void updateScreen() override;
// Following methods are not used by 3D graphics managers
void setPalette(const byte *colors, uint start, uint num) override {}
void grabPalette(byte *colors, uint start, uint num) const override {}
void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h) override {}
Graphics::Surface *lockScreen() override { return nullptr; }
void unlockScreen() override {}
void fillScreen(uint32 col) override {}
void fillScreen(const Common::Rect &r, uint32 col) override {}
void setShakePos(int shakeXOffset, int shakeYOffset) override {};
void setFocusRectangle(const Common::Rect& rect) override {}
void clearFocusRectangle() override {}
// GraphicsManager API - Overlay
const OSystem::GraphicsMode *getSupportedStretchModes() const override;
int getDefaultStretchMode() const override;
bool setStretchMode(int mode) override;
int getStretchMode() const override;
void showOverlay(bool inGUI) override;
void hideOverlay() override;
Graphics::PixelFormat getOverlayFormat() const override { return _overlayFormat; }
void clearOverlay() override;
void grabOverlay(Graphics::Surface &surface) const override;
void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h) override;
int16 getOverlayWidth() const override;
int16 getOverlayHeight() const override;
// GraphicsManager API - Mouse
bool showMouse(bool visible) override;
void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL, const byte *mask = NULL) override;
void setCursorPalette(const byte *colors, uint start, uint num) override {}
protected:
void updateCursorScaling();
void createDepthAndStencilBuffer(int width, int height);
void updateDepthAndStencilBuffer(int width, int height);
int _screenChangeCount;
int _stretchMode;
bool _aspectRatioCorrection;
bool _mouseDontScale;
Common::Point _mouseHotspot;
Common::Point _mouseHotspotScaled;
int _mouseWidthScaled, _mouseHeightScaled;
Graphics::PixelFormat _overlayFormat;
OpenGL::TiledSurface *_overlayScreen;
OpenGL::TiledSurface *_overlayBackground;
OpenGL::TiledSurface *_mouseSurface;
OpenGL::SurfaceRenderer *_surfaceRenderer;
// FBO used to render games not supporting arbitrary resolutions
OpenGL::FrameBuffer *_frameBuffer;
// FBO used as a backbuffer for Apple API
GLuint _glFBO;
// RBOs used for depth and stencil buffer only
GLuint _glRBOs[2];
};
#endif
#endif
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