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https://github.com/libretro/scummvm.git
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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GFX_H_
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#define GFX_H_
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#include "common/rect.h"
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#include "common/system.h"
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#include "math/vector3d.h"
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namespace Myst3 {
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class Drawable {
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public:
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virtual void draw() {}
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virtual void drawOverlay() {}
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virtual ~Drawable() {}
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};
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class Texture {
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public:
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uint width;
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uint height;
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Graphics::PixelFormat format;
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virtual void update(const Graphics::Surface *surface) = 0;
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protected:
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Texture() {}
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virtual ~Texture() {}
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};
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class Renderer {
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public:
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virtual ~Renderer() {}
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virtual void init(Graphics::PixelBuffer &screenBuffer) = 0;
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virtual void initFont(const Graphics::Surface *surface) = 0;
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virtual void clear() = 0;
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virtual void setupCameraOrtho2D() = 0;
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virtual void setupCameraPerspective(float pitch, float heading, float fov) = 0;
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virtual Texture *createTexture(const Graphics::Surface *surface) = 0;
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virtual void freeTexture(Texture *texture) = 0;
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virtual void drawRect2D(const Common::Rect &rect, uint32 color) = 0;
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virtual void drawTexturedRect2D(const Common::Rect &screenRect, const Common::Rect &textureRect, Texture *texture,
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float transparency = -1.0, bool additiveBlending = false) = 0;
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virtual void drawTexturedRect3D(const Math::Vector3d &topLeft, const Math::Vector3d &bottomLeft,
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const Math::Vector3d &topRight, const Math::Vector3d &bottomRight,
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Texture *texture) = 0;
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virtual void drawCube(Texture **textures) = 0;
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virtual void draw2DText(const Common::String &text, const Common::Point &position) = 0;
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virtual Graphics::Surface *getScreenshot() = 0;
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virtual void screenPosToDirection(const Common::Point screen, float &pitch, float &heading) = 0;
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static const int kOriginalWidth = 640;
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static const int kOriginalHeight = 480;
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static const int kTopBorderHeight = 30;
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static const int kBottomBorderHeight = 90;
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static const int kFrameHeight = 360;
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};
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class BaseRenderer : public Renderer {
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public:
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BaseRenderer(OSystem *system);
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virtual ~BaseRenderer();
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virtual Texture *createTexture(const Graphics::Surface *surface);
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virtual void freeTexture(Texture *texture);
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virtual void init(Graphics::PixelBuffer &screenBuffer);
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virtual void initFont(const Graphics::Surface *surface);
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protected:
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OSystem *_system;
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Texture *_font;
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Common::Rect getFontCharacterRect(uint8 character);
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};
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Renderer *CreateGfxOpenGL(OSystem *system);
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Renderer *CreateGfxOpenGLShader(OSystem *system);
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Renderer *CreateGfxTinyGL(OSystem *system);
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} // End of namespace Myst3
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#endif // GFX_H_
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