mirror of https://github.com/axmolengine/axmol.git
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2010 cocos2d-x.org
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
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.
|
|
****************************************************************************/
|
|
|
|
#ifndef __CCCONFIGURATION_H__
|
|
#define __CCCONFIGURATION_H__
|
|
|
|
#include "platform/platform.h"
|
|
#include "cocoa/NSObject.h"
|
|
#include <GLES/gl.h>
|
|
#include <string>
|
|
|
|
/**
|
|
CCConfiguration contains some openGL variables
|
|
@since v0.99.0
|
|
*/
|
|
class CCConfiguration : public NSObject
|
|
{
|
|
protected:
|
|
GLint m_nMaxTextureSize;
|
|
GLint m_nMaxModelviewStackDepth;
|
|
bool m_bSupportsPVRTC;
|
|
bool m_bSupportsNPOT;
|
|
bool m_bSupportsBGRA8888;
|
|
bool m_bSupportsDiscardFramebuffer;
|
|
|
|
public:
|
|
CCConfiguration(void);
|
|
|
|
// OpenGL Max texture size.
|
|
INT32 getMaxTextureSize(void);
|
|
|
|
// OpenGL Max Modelview Stack Depth
|
|
INT32 getMaxModelviewStackDepth(void);
|
|
|
|
/** Whether or not the GPU supports NPOT (Non Power Of Two) textures.
|
|
NPOT textures have the following limitations:
|
|
- They can't have mipmaps
|
|
- They only accept GL_CLAMP_TO_EDGE in GL_TEXTURE_WRAP_{S,T}
|
|
|
|
@since v0.99.2
|
|
*/
|
|
bool isSupportsNPOT(void);
|
|
|
|
// Whether or not PVR Texture Compressed is supported
|
|
bool isSupportsPVRTC(void);
|
|
|
|
/** Whether or not BGRA8888 textures are supported.
|
|
@since v0.99.2
|
|
*/
|
|
bool isSupportsBGRA8888(void);
|
|
|
|
/** Whether or not glDiscardFramebufferEXT is supported
|
|
@since v0.99.2
|
|
*/
|
|
bool isSupportsDiscardFramebuffer(void);
|
|
|
|
// returns whether or not an OpenGL is supported
|
|
bool checkForGLExtension(const std::string &searchName);
|
|
|
|
CCConfiguration* init(void);
|
|
|
|
public:
|
|
// returns a shared instance of the CCConfiguration
|
|
static CCConfiguration* sharedConfiguration(void);
|
|
};
|
|
|
|
#endif // __CCCONFIGURATION_H__
|