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96 lines
2.9 KiB
C++
96 lines
2.9 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 PLAYGROUND3D_GFX_H
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#define PLAYGROUND3D_GFX_H
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#include "common/rect.h"
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#include "common/system.h"
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#include "math/frustum.h"
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#include "math/matrix4.h"
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#include "math/vector3d.h"
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#include "graphics/surface.h"
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#include "graphics/pixelformat.h"
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namespace Playground3d {
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class Renderer {
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public:
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Renderer(OSystem *system);
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virtual ~Renderer();
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virtual void init() = 0;
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virtual void deinit() = 0;
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virtual void clear(const Math::Vector4d &clearColor) = 0;
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/**
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* Swap the buffers, making the drawn screen visible
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*/
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virtual void flipBuffer() { }
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Common::Rect viewport() const;
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void setupCameraPerspective(float pitch, float heading, float fov);
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static const int kOriginalWidth = 640;
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static const int kOriginalHeight = 480;
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void computeScreenViewport();
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virtual void setupViewport(int x, int y, int width, int height) = 0;
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virtual void loadTextureRGBA(Graphics::Surface *texture) = 0;
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virtual void loadTextureRGB(Graphics::Surface *texture) = 0;
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virtual void loadTextureRGB565(Graphics::Surface *texture) = 0;
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virtual void loadTextureRGBA5551(Graphics::Surface *texture) = 0;
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virtual void loadTextureRGBA4444(Graphics::Surface *texture) = 0;
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virtual void drawCube(const Math::Vector3d &pos, const Math::Vector3d &roll) = 0;
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virtual void drawPolyOffsetTest(const Math::Vector3d &pos, const Math::Vector3d &roll) = 0;
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virtual void dimRegionInOut(float fade) = 0;
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virtual void drawInViewport() = 0;
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virtual void drawRgbaTexture() = 0;
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virtual void enableFog(const Math::Vector4d &fogColor) = 0;
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protected:
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OSystem *_system;
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Common::Rect _screenViewport;
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Math::Matrix4 _projectionMatrix;
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Math::Matrix4 _modelViewMatrix;
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Math::Matrix4 _mvpMatrix;
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static const float cubeVertices[11 * 6 * 4];
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Graphics::Surface *_texture;
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Math::Matrix4 makeProjectionMatrix(float fov, float nearClip, float farClip) const;
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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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Renderer *createRenderer(OSystem *system);
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} // End of namespace Playground3d
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#endif // PLAYGROUND3D_GFX_H
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