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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 BACKENDS_GRAPHICS_OPENGL_SHADER_H
#define BACKENDS_GRAPHICS_OPENGL_SHADER_H
#include "graphics/opengl/system_headers.h"
#if !USE_FORCED_GLES
#include "common/singleton.h"
#include "graphics/opengl/shader.h"
namespace OpenGL {
class ShaderManager : public Common::Singleton<ShaderManager> {
public:
enum ShaderUsage {
/** Default shader implementing the GL fixed-function pipeline. */
kDefault = 0,
/** CLUT8 look up shader. */
kCLUT8LookUp,
/** Number of built-in shaders. Should not be used for query. */
kMaxUsages
};
/**
* Notify shader manager about context destruction.
*/
void notifyDestroy();
/**
* Notify shader manager about context creation.
*/
void notifyCreate();
/**
* Query a built-in shader.
* Shader returned must be destroyed by caller.
*/
Shader *query(ShaderUsage shader) const;
private:
friend class Common::Singleton<SingletonBaseType>;
ShaderManager();
~ShaderManager();
Shader *_builtIn[kMaxUsages];
};
} // End of namespace OpenGL
/** Shortcut for accessing the font manager. */
#define ShaderMan (OpenGL::ShaderManager::instance())
#endif // !USE_FORCED_GLES
#endif
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