mirror of https://github.com/axmolengine/axmol.git
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2010-2011 cocos2d-x.org
|
|
Copyright (c) 2010 Ricardo Quesada
|
|
|
|
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.
|
|
****************************************************************************/
|
|
|
|
#include "CCConfiguration.h"
|
|
#include "ccMacros.h"
|
|
#include "ccConfig.h"
|
|
#include <string.h>
|
|
|
|
using namespace std;
|
|
|
|
NS_CC_BEGIN
|
|
|
|
CCConfiguration::CCConfiguration(void)
|
|
:m_nMaxTextureSize(0)
|
|
, m_nMaxTextureUnits(0)
|
|
, m_bSupportsPVRTC(false)
|
|
, m_bSupportsNPOT(false)
|
|
, m_bSupportsBGRA8888(false)
|
|
, m_bSupportsDiscardFramebuffer(false)
|
|
, m_bInited(false)
|
|
, m_uOSVersion(0)
|
|
, m_nMaxSamplesAllowed(0)
|
|
, m_pGlExtensions(NULL)
|
|
{
|
|
}
|
|
|
|
bool CCConfiguration::init(void)
|
|
{
|
|
CCLOG("cocos2d: GL_VENDOR: %s", glGetString(GL_VENDOR));
|
|
CCLOG("cocos2d: GL_RENDERER: %s", glGetString(GL_RENDERER));
|
|
CCLOG("cocos2d: GL_VERSION: %s", glGetString(GL_VERSION));
|
|
|
|
m_pGlExtensions = (char *)glGetString(GL_EXTENSIONS);
|
|
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &m_nMaxTextureSize);
|
|
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &m_nMaxTextureUnits);
|
|
|
|
m_bSupportsPVRTC = checkForGLExtension("GL_IMG_texture_compression_pvrtc");
|
|
m_bSupportsNPOT = checkForGLExtension("GL_APPLE_texture_2D_limited_npot");
|
|
m_bSupportsBGRA8888 = checkForGLExtension("GL_IMG_texture_format_BGRA888");
|
|
m_bSupportsDiscardFramebuffer = checkForGLExtension("GL_EXT_discard_framebuffer");
|
|
|
|
CCLOG("cocos2d: GL_MAX_TEXTURE_SIZE: %d", m_nMaxTextureSize);
|
|
CCLOG("cocos2d: GL_MAX_TEXTURE_UNITS: %d",m_nMaxTextureUnits);
|
|
CCLOG("cocos2d: GL supports PVRTC: %s", (m_bSupportsPVRTC ? "YES" : "NO"));
|
|
CCLOG("cocos2d: GL supports BGRA8888 textures: %s", (m_bSupportsBGRA8888 ? "YES" : "NO"));
|
|
CCLOG("cocos2d: GL supports NPOT textures: %s", (m_bSupportsNPOT ? "YES" : "NO"));
|
|
CCLOG("cocos2d: GL supports discard_framebuffer: %s", (m_bSupportsDiscardFramebuffer ? "YES" : "NO"));
|
|
|
|
#if CC_TEXTURE_NPOT_SUPPORT
|
|
CCLOG("cocos2d: compiled with NPOT support: %s", "YES");
|
|
#else
|
|
CCLOG("cocos2d: compiled with NPOT support: %s", "NO");
|
|
#endif // CC_TEXTURE_NPOT_SUPPORT
|
|
|
|
|
|
#if CC_TEXTURE_ATLAS_USE_VAO
|
|
CCLOG("cocos2d: compiled with VAO support in TextureAtlas : %s", "YES");
|
|
#else
|
|
CCLOG("cocos2d: compiled with VAO support in TextureAtlas : %s", "NO");
|
|
#endif // CC_TEXTURE_ATLAS_USE_VAO
|
|
|
|
return true;
|
|
}
|
|
|
|
CCGlesVersion CCConfiguration::getGlesVersion()
|
|
{
|
|
// To get the Opengl ES version
|
|
std::string strVersion((char *)glGetString(GL_VERSION));
|
|
if ((int)strVersion.find("1.0") != -1)
|
|
{
|
|
return GLES_VER_1_0;
|
|
}
|
|
else if ((int)strVersion.find("1.1") != -1)
|
|
{
|
|
return GLES_VER_1_1;
|
|
}
|
|
else if ((int)strVersion.find("2.0") != -1)
|
|
{
|
|
return GLES_VER_2_0;
|
|
}
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX)
|
|
return GLES_VER_2_0;
|
|
#else
|
|
|
|
|
|
return GLES_VER_INVALID;
|
|
#endif
|
|
}
|
|
|
|
CCConfiguration* CCConfiguration::sharedConfiguration(void)
|
|
{
|
|
static CCConfiguration sharedConfiguration;
|
|
if (!sharedConfiguration.m_bInited)
|
|
{
|
|
sharedConfiguration.init();
|
|
sharedConfiguration.m_bInited = true;
|
|
}
|
|
|
|
return &sharedConfiguration;
|
|
}
|
|
|
|
bool CCConfiguration::checkForGLExtension(const string &searchName)
|
|
{
|
|
bool bRet = false;
|
|
const char *kSearchName = searchName.c_str();
|
|
|
|
if (m_pGlExtensions &&
|
|
strstr(m_pGlExtensions, kSearchName))
|
|
{
|
|
bRet = true;
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
NS_CC_END
|