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/**************************************************************************
*
* Copyright 2011 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
/*
* Abstraction for GL window system specific APIs (GLX, WGL).
*/
#ifndef _GLWS_HPP_
#define _GLWS_HPP_
#include <vector>
namespace glws {
enum Profile {
PROFILE_COMPAT = 0,
PROFILE_CORE,
PROFILE_ES1,
PROFILE_ES2,
PROFILE_MAX
};
extern bool debug;
bool
checkExtension(const char *extName, const char *extString);
template< class T >
class Attributes {
protected:
std::vector<T> attribs;
public:
void add(T param) {
attribs.push_back(param);
}
void add(T pname, T pvalue) {
add(pname);
add(pvalue);
}
void end(T terminator = 0) {
add(terminator);
}
operator T * (void) {
return &attribs[0];
}
operator const T * (void) const {
return &attribs[0];
}
};
class Visual
{
public:
unsigned long redMask;
unsigned long greenMask;
unsigned long blueMask;
unsigned long alphaMask;
bool doubleBuffer;
virtual ~Visual() {}
};
class Drawable
{
public:
const Visual *visual;
int width;
int height;
bool visible;
Drawable(const Visual *vis, int w, int h) :
visual(vis),
width(w),
height(h),
visible(false)
{}
virtual ~Drawable() {}
virtual void
resize(int w, int h) {
width = w;
height = h;
}
virtual void
show(void) {
visible = true;
}
virtual void swapBuffers(void) = 0;
};
class Context
{
public:
const Visual *visual;
Profile profile;
Context(const Visual *vis, Profile prof) :
visual(vis),
profile(prof)
{}
virtual ~Context() {}
};
void
init(void);
void
cleanup(void);
Visual *
createVisual(bool doubleBuffer = false, Profile profile = PROFILE_COMPAT);
Drawable *
createDrawable(const Visual *visual, int width = 32, int height = 32);
Context *
createContext(const Visual *visual, Context *shareContext = 0, Profile profile = PROFILE_COMPAT);
bool
makeCurrent(Drawable *drawable, Context *context);
bool
processEvents(void);
} /* namespace glws */
#endif /* _GLWS_HPP_ */
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