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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 STARK_GFX_OPENGL_SURFACE_H
#define STARK_GFX_OPENGL_SURFACE_H
#include "engines/stark/gfx/surfacerenderer.h"
#include "engines/stark/gfx/opengl.h"
#include "math/vector2d.h"
#if defined(USE_OPENGL_GAME)
namespace Stark {
namespace Gfx {
class OpenGLDriver;
class Bitmap;
/**
* A programmable pipeline OpenGL surface renderer
*/
class OpenGLSurfaceRenderer : public SurfaceRenderer {
public:
OpenGLSurfaceRenderer(OpenGLDriver *gfx);
virtual ~OpenGLSurfaceRenderer();
// SurfaceRenderer API
void render(const Bitmap *bitmap, const Common::Point &dest) override;
void render(const Bitmap *bitmap, const Common::Point &dest, uint width, uint height) override;
void fill(const Color &color, const Common::Point &dest, uint width, uint height) override;
private:
struct SurfaceVertex {
float x;
float y;
};
Math::Vector2d normalizeOriginalCoordinates(int x, int y) const;
Math::Vector2d normalizeCurrentCoordinates(int x, int y) const;
void convertToVertices(SurfaceVertex *vertices, const Common::Point &dest, uint width, uint height) const;
OpenGLDriver *_gfx;
};
} // End of namespace Gfx
} // End of namespace Stark
#endif // defined(USE_OPENGL_GAME)
#endif // STARK_GFX_OPENGL_SURFACE_H
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