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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GFX_OPENGL_SHADERS_H_
#define GFX_OPENGL_SHADERS_H_
#include "common/rect.h"
#include "math/rect2d.h"
#include "graphics/opengl/shader.h"
#include "engines/myst3/gfx.h"
namespace Myst3 {
class ShaderRenderer : public Renderer {
public:
ShaderRenderer(OSystem *_system);
virtual ~ShaderRenderer();
virtual void init() override;
virtual void clear() override;
virtual void selectTargetWindow(Window *window, bool is3D, bool scaled) override;
virtual Texture *createTexture(const Graphics::Surface *surface) override;
virtual void freeTexture(Texture *texture) override;
virtual void drawRect2D(const Common::Rect &rect, uint32 color) override;
virtual void drawTexturedRect2D(const Common::Rect &screenRect, const Common::Rect &textureRect, Texture *texture,
float transparency = -1.0, bool additiveBlending = false) override;
virtual void drawTexturedRect3D(const Math::Vector3d &topLeft, const Math::Vector3d &bottomLeft,
const Math::Vector3d &topRight, const Math::Vector3d &bottomRight,
Texture *texture) override;
virtual void drawCube(Texture **textures) override;
virtual void draw2DText(const Common::String &text, const Common::Point &position) override;
virtual Graphics::Surface *getScreenshot() override;
private:
void setupQuadEBO();
Math::Vector2d scaled(float x, float y) const;
OpenGL::Shader *_boxShader;
OpenGL::Shader *_cubeShader;
OpenGL::Shader *_rect3dShader;
OpenGL::Shader *_textShader;
GLuint _boxVBO;
GLuint _cubeVBO;
GLuint _rect3dVBO;
GLuint _textVBO;
GLuint _quadEBO;
Common::Rect _currentViewport;
Common::String _prevText;
Common::Point _prevTextPosition;
};
} // End of namespace Myst3
#endif
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