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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 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();
void init() override;
void clear() override;
void selectTargetWindow(Window *window, bool is3D, bool scaled) override;
Texture *createTexture3D(const Graphics::Surface *surface) override;
void drawRect2D(const Common::Rect &rect, uint8 a, uint8 r, uint8 g, uint8 b) 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;
void drawCube(Texture **textures) override;
void draw2DText(const Common::String &text, const Common::Point &position) override;
Graphics::Surface *getScreenshot() override;
Texture *copyScreenshotToTexture() 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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