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