mirror of https://github.com/axmolengine/axmol.git
633 lines
18 KiB
C++
633 lines
18 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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/*
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* Support for RGBA_4_4_4_4 and RGBA_5_5_5_1 was copied from:
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* https://devforums.apple.com/message/37855#37855 by a1studmuffin
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*/
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#include "CCTexture2D.h"
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#include <GLES/glext.h>
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#include "ccConfig.h"
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#include "ccMacros.h"
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#include "CCTexture2D.h"
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#include "CCPVRTexture.h"
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#include "CCConfiguration.h"
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#include "platform/platform.h"
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#if CC_FONT_LABEL_SUPPORT
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// FontLabel support
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/// @todo #include "FontManager.h"
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/// @todo #include "FontLabelStringDrawing.h"
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#endif// CC_FONT_LABEL_SUPPORT
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static unsigned int nextPOT(unsigned int x)
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{
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x = x - 1;
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x = x | (x >> 1);
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x = x | (x >> 2);
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x = x | (x >> 4);
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x = x | (x >> 8);
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x = x | (x >>16);
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return x + 1;
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}
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//CLASS IMPLEMENTATIONS:
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// If the image has alpha, you can create RGBA8 (32-bit) or RGBA4 (16-bit) or RGB5A1 (16-bit)
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// Default is: RGBA8888 (32-bit textures)
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static CCTexture2DPixelFormat g_defaultAlphaPixelFormat = kCCTexture2DPixelFormat_Default;
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CCTexture2D::CCTexture2D()
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{
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}
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CCTexture2D::~CCTexture2D()
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{
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CCLOGINFO("cocos2d: deallocing CCTexture2D %u.", m_uName);
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if(m_uName)
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glDeleteTextures(1, &m_uName);
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}
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CCTexture2DPixelFormat CCTexture2D::getPixelFormat()
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{
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return m_ePixelFormat;
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}
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UINT32 CCTexture2D::getPixelsWide()
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{
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return m_uPixelsWide;
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}
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UINT32 CCTexture2D::getPixelsHigh()
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{
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return m_uPixelsHigh;
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}
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GLuint CCTexture2D::getName()
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{
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return m_uName;
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}
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CGSize CCTexture2D::getContentSize()
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{
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return m_tContentSize;
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}
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GLfloat CCTexture2D::getMaxS()
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{
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return m_fMaxS;
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}
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void CCTexture2D::setMaxS(GLfloat maxS)
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{
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m_fMaxS = maxS;
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}
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GLfloat CCTexture2D::getMaxT()
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{
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return m_fMaxT;
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}
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void CCTexture2D::setMaxT(GLfloat maxT)
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{
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m_fMaxT = maxT;
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}
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bool CCTexture2D::getHasPremultipliedAlpha()
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{
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return m_bHasPremultipliedAlpha;
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}
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CCTexture2D * CCTexture2D::initWithData(const void *data, CCTexture2DPixelFormat pixelFormat, UINT32 pixelsWide, UINT32 pixelsHigh, CGSize contentSize)
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{
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glGenTextures(1, &m_uName);
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glBindTexture(GL_TEXTURE_2D, m_uName);
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this->setAntiAliasTexParameters();
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// Specify OpenGL texture image
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switch(pixelFormat)
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{
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case kCCTexture2DPixelFormat_RGBA8888:
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixelsWide, pixelsHigh, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
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break;
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case kCCTexture2DPixelFormat_RGBA4444:
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixelsWide, pixelsHigh, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
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break;
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case kCCTexture2DPixelFormat_RGB5A1:
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixelsWide, pixelsHigh, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, data);
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break;
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case kCCTexture2DPixelFormat_RGB565:
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, pixelsWide, pixelsHigh, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
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break;
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case kCCTexture2DPixelFormat_A8:
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glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, pixelsWide, pixelsHigh, 0, GL_ALPHA, GL_UNSIGNED_BYTE, data);
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break;
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default:;
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NSAssert(0, "NSInternalInconsistencyException");
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}
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m_tContentSize = contentSize;
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m_uPixelsWide = pixelsWide;
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m_uPixelsHigh = pixelsHigh;
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m_ePixelFormat = pixelFormat;
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m_fMaxS = contentSize.width / static_cast<float>(pixelsWide);
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m_fMaxT = contentSize.height / static_cast<float>(pixelsHigh);
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m_bHasPremultipliedAlpha = false;
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return this;
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}
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std::string CCTexture2D::description(void)
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{
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char des[100];
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sprintf_s(des, 100, "<CCTexture2D | Name = %u | Dimensions = %u x %u | Coordinates = (%.2f, %.2f)>", m_uName, m_uPixelsWide, m_uPixelsHigh, m_fMaxS, m_fMaxT);
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std::string ret(des);
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return ret;
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}
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// implementation CCTexture2D (Image)
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CCTexture2D* CCTexture2D::initWithImage(UIImage * uiImage)
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{
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UINT32 POTWide, POTHigh;
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if(uiImage == NULL)
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{
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CCLOG("cocos2d: CCTexture2D. Can't create Texture. UIImage is nil");
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this->release();
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return NULL;
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}
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CCConfiguration *conf = CCConfiguration::sharedConfiguration();
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#if CC_TEXTURE_NPOT_SUPPORT
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if( conf->isSupportsNPOT() )
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{
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POTWide = uiImage->width();
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POTHigh = uiImage->height();
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}
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else
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#endif
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{
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POTWide = nextPOT(uiImage->width());
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POTHigh = nextPOT(uiImage->height());
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}
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unsigned maxTextureSize = conf->getMaxTextureSize();
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if( POTHigh > maxTextureSize || POTWide > maxTextureSize )
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{
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CCLOG("cocos2d: WARNING: Image (%u x %u) is bigger than the supported %u x %u", POTWide, POTHigh, maxTextureSize, maxTextureSize);
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this->release();
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return NULL;
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}
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// always load premultiplied images
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this->initPremultipliedATextureWithImage(uiImage, POTWide, POTHigh);
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return this;
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}
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/// @todo to be checked
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CCTexture2D * CCTexture2D::initPremultipliedATextureWithImage(UIImage *image, UINT32 POTWide, UINT32 POTHigh)
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{
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UINT32 i;
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void* data = NULL;
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void* tempData =NULL;
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unsigned int* inPixel32 = NULL;
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unsigned short* outPixel16 = NULL;
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bool hasAlpha;
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CGSize imageSize;
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CCTexture2DPixelFormat pixelFormat;
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hasAlpha = image->isAlphaPixelFormat();
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size_t bpp = image->CGImageGetBitsPerComponent();
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int colorSpace = image->CGImageGetColorSpace();
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if(colorSpace)
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{
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if(hasAlpha || bpp >= 8)
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pixelFormat = defaultAlphaPixelFormat();
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else
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{
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CCLOG("cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha");
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pixelFormat = kCCTexture2DPixelFormat_RGB565;
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}
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}
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else
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{
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// NOTE: No colorspace means a mask image
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CCLOG("cocos2d: CCTexture2D: Using A8 texture since image is a mask");
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pixelFormat = kCCTexture2DPixelFormat_A8;
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}
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imageSize = CGSizeMake(static_cast<float>(POTWide), static_cast<float>(POTHigh));
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// Create the bitmap graphics context
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switch(pixelFormat) {
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case kCCTexture2DPixelFormat_RGBA8888:
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case kCCTexture2DPixelFormat_RGBA4444:
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case kCCTexture2DPixelFormat_RGB5A1:
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// colorSpace = CGColorSpaceCreateDeviceRGB();
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// data = malloc(POTHigh * POTWide * 4);
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// info = hasAlpha ? kCGImageAlphaPremultipliedLast : kCGImageAlphaNoneSkipLast;
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// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
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// CGColorSpaceRelease(colorSpace);
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// break;
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case kCCTexture2DPixelFormat_RGB565:
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// colorSpace = CGColorSpaceCreateDeviceRGB();
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// data = malloc(POTHigh * POTWide * 4);
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// info = kCGImageAlphaNoneSkipLast;
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// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
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// CGColorSpaceRelease(colorSpace);
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// break;
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case kCCTexture2DPixelFormat_A8:
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// data = malloc(POTHigh * POTWide);
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// info = kCGImageAlphaOnly;
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// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, POTWide, NULL, info);
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/// @todo Get image data and convert to POT mode
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tempData = static_cast<void*>(image->getRGBA8888Data());
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NSAssert(tempData != NULL, "NULL image data.");
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if(image->width() == POTWide && image->height() == POTHigh)
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{
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data = tempData;
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}
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else
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{
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data = new UINT8[POTHigh * POTWide * 4];
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memset(data, 0, POTHigh * POTWide * 4);
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UINT8* pPixelData = (UINT8*) tempData;
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UINT8* pTargetData = (UINT8*) data;
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for(UINT32 y=0; y<image->height(); ++y)
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{
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memcpy(pTargetData+POTWide*4*y, pPixelData+(image->width())*4*y, (image->width())*4);
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}
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CCX_SAFE_DELETE(tempData);
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}
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break;
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default:
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NSAssert(0, "Invalid pixel format");
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//[NSException raise:NSInternalInconsistencyException format:@"Invalid pixel format"];
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}
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// CGContextClearRect(context, CGRectMake(0, 0, POTWide, POTHigh));
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// CGContextTranslateCTM(context, 0, POTHigh - imageSize.height);
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// CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image);
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// Repack the pixel data into the right format
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if(pixelFormat == kCCTexture2DPixelFormat_RGB565) {
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//Convert "RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA" to "RRRRRGGGGGGBBBBB"
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tempData = new UINT8[POTHigh * POTWide * 2];
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inPixel32 = (unsigned int*)data;
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outPixel16 = (unsigned short*)tempData;
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for(i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
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*outPixel16++ = ((((*inPixel32 >> 0) & 0xFF) >> 3) << 11) | ((((*inPixel32 >> 8) & 0xFF) >> 2) << 5) | ((((*inPixel32 >> 16) & 0xFF) >> 3) << 0);
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CCX_SAFE_FREE(data);
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data = tempData;
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}
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else if (pixelFormat == kCCTexture2DPixelFormat_RGBA4444) {
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//Convert "RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA" to "RRRRGGGGBBBBAAAA"
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tempData = new UINT8[POTHigh * POTWide * 2];
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inPixel32 = (unsigned int*)data;
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outPixel16 = (unsigned short*)tempData;
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for(i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
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*outPixel16++ =
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((((*inPixel32 >> 0) & 0xFF) >> 4) << 12) | // R
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((((*inPixel32 >> 8) & 0xFF) >> 4) << 8) | // G
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((((*inPixel32 >> 16) & 0xFF) >> 4) << 4) | // B
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((((*inPixel32 >> 24) & 0xFF) >> 4) << 0); // A
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CCX_SAFE_FREE(data);
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data = tempData;
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}
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else if (pixelFormat == kCCTexture2DPixelFormat_RGB5A1) {
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//Convert "RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA" to "RRRRRGGGGGBBBBBA"
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tempData = new UINT8[POTHigh * POTWide * 2];
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inPixel32 = (unsigned int*)data;
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outPixel16 = (unsigned short*)tempData;
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for(i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
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*outPixel16++ =
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((((*inPixel32 >> 0) & 0xFF) >> 3) << 11) | // R
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((((*inPixel32 >> 8) & 0xFF) >> 3) << 6) | // G
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((((*inPixel32 >> 16) & 0xFF) >> 3) << 1) | // B
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((((*inPixel32 >> 24) & 0xFF) >> 7) << 0); // A
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CCX_SAFE_DELETE(data);
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data = tempData;
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}
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if (data)
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{
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this->initWithData(data, pixelFormat, POTWide, POTHigh, imageSize);
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// should be after calling super init
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/// @todo _hasPremultipliedAlpha = (info == kCGImageAlphaPremultipliedLast || info == kCGImageAlphaPremultipliedFirst);
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//CGContextRelease(context);
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CCX_SAFE_DELETE(data);
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}
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return this;
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}
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// implementation CCTexture2D (Text)
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CCTexture2D * CCTexture2D::initWithString(const std::string & str, const std::string & fontName, GLfloat fontSize)
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{
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/** @todo about UIFont
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CGSize dim;
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#if CC_FONT_LABEL_SUPPORT
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ZFont *zFont = [[FontManager sharedManager] zFontWithName:name pointSize:size];
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if (zFont != nil)
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dim = [string sizeWithZFont:zFont];
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else
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#endif
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dim = [string sizeWithFont:[UIFont fontWithName:name size:size]];
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return [self initWithString:string dimensions:dim alignment:UITextAlignmentCenter fontName:name fontSize:size];*/
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return NULL;// tobe deleted
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}
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/** @todo UITextAlignment
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- (id) initWithString:(string & )string dimensions:(CGSize)dimensions alignment:(UITextAlignment)alignment fontName:(string & )name fontSize:(CGFloat)size
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{
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NSUInteger width,
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height,
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i;
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CGContextRef context;
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void* data;
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CGColorSpaceRef colorSpace;
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id uiFont;
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width = dimensions.width;
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if((width != 1) && (width & (width - 1))) {
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i = 1;
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while(i < width)
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i *= 2;
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width = i;
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}
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height = dimensions.height;
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if((height != 1) && (height & (height - 1))) {
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i = 1;
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while(i < height)
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i *= 2;
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height = i;
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}
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colorSpace = CGColorSpaceCreateDeviceGray();
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data = calloc(height, width);
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context = CGBitmapContextCreate(data, width, height, 8, width, colorSpace, kCGImageAlphaNone);
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CGColorSpaceRelease(colorSpace);
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CGContextSetGrayFillColor(context, 1.0f, 1.0f);
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CGContextTranslateCTM(context, 0.0f, height);
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CGContextScaleCTM(context, 1.0f, -1.0f); //NOTE: NSString draws in UIKit referential i.e. renders upside-down compared to CGBitmapContext referential
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UIGraphicsPushContext(context);
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#if CC_FONT_LABEL_SUPPORT
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uiFont = [[FontManager sharedManager] zFontWithName:name pointSize:size];
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if (uiFont != nil)
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[string drawInRect:CGRectMake(0, 0, dimensions.width, dimensions.height) withZFont:uiFont lineBreakMode:UILineBreakModeWordWrap alignment:alignment];
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else
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#endif // CC_FONT_LABEL_SUPPORT
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{
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uiFont = [UIFont fontWithName:name size:size];
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[string drawInRect:CGRectMake(0, 0, dimensions.width, dimensions.height) withFont:uiFont lineBreakMode:UILineBreakModeWordWrap alignment:alignment];
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}
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if( ! uiFont )
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CCLOG(@"cocos2d: Texture2D: Font '%@' not found", name);
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UIGraphicsPopContext();
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self = [self initWithData:data pixelFormat:kCCTexture2DPixelFormat_A8 pixelsWide:width pixelsHigh:height contentSize:dimensions];
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CGContextRelease(context);
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free(data);
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return self;
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}*/
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// implementation CCTexture2D (Drawing)
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void CCTexture2D::drawAtPoint(CGPoint point)
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{
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GLfloat coordinates[] = {
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0.0f, m_fMaxT,
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m_fMaxS,m_fMaxT,
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0.0f, 0.0f,
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m_fMaxS,0.0f };
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GLfloat width = (GLfloat)m_uPixelsWide * m_fMaxS,
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height = (GLfloat)m_uPixelsHigh * m_fMaxT;
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#if 0
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GLfloat vertices[] = {
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-width / 2 + point.x, -height / 2 + point.y, 0.0f,
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width / 2 + point.x, -height / 2 + point.y, 0.0f,
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-width / 2 + point.x, height / 2 + point.y, 0.0f,
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width / 2 + point.x, height / 2 + point.y, 0.0f };
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#else // anchor is done by cocos2d automagically
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GLfloat vertices[] = {
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point.x, point.y, 0.0f,
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width + point.x, point.y, 0.0f,
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point.x, height + point.y, 0.0f,
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width + point.x, height + point.y, 0.0f };
|
|
#endif
|
|
|
|
glBindTexture(GL_TEXTURE_2D, m_uName);
|
|
glVertexPointer(3, GL_FLOAT, 0, vertices);
|
|
glTexCoordPointer(2, GL_FLOAT, 0, coordinates);
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
}
|
|
|
|
void CCTexture2D::drawInRect(CGRect rect)
|
|
{
|
|
GLfloat coordinates[] = {
|
|
0.0f, m_fMaxT,
|
|
m_fMaxS,m_fMaxT,
|
|
0.0f, 0.0f,
|
|
m_fMaxS,0.0f };
|
|
|
|
GLfloat vertices[] = { rect.origin.x, rect.origin.y, /*0.0f,*/
|
|
rect.origin.x + rect.size.width, rect.origin.y, /*0.0f,*/
|
|
rect.origin.x, rect.origin.y + rect.size.height, /*0.0f,*/
|
|
rect.origin.x + rect.size.width, rect.origin.y + rect.size.height, /*0.0f*/ };
|
|
|
|
glBindTexture(GL_TEXTURE_2D, m_uName);
|
|
glVertexPointer(2, GL_FLOAT, 0, vertices);
|
|
glTexCoordPointer(2, GL_FLOAT, 0, coordinates);
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
}
|
|
|
|
|
|
// implementation CCTexture2D (PVRTC)
|
|
|
|
CCTexture2D * CCTexture2D::initWithPVRTCData(const void *data, int level, int bpp, bool hasAlpha, int length)
|
|
{
|
|
if( !(CCConfiguration::sharedConfiguration()->isSupportsPVRTC()) )
|
|
{
|
|
CCLOG("cocos2d: WARNING: PVRTC images is not supported.");
|
|
this->release();
|
|
return NULL;
|
|
}
|
|
|
|
glGenTextures(1, &m_uName);
|
|
glBindTexture(GL_TEXTURE_2D, m_uName);
|
|
|
|
this->setAntiAliasTexParameters();
|
|
|
|
GLenum format;
|
|
GLsizei size = length * length * bpp / 8;
|
|
if(hasAlpha) {
|
|
format = (bpp == 4) ? GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
|
|
} else {
|
|
format = (bpp == 4) ? GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG : GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
|
|
}
|
|
if(size < 32) {
|
|
size = 32;
|
|
}
|
|
glCompressedTexImage2D(GL_TEXTURE_2D, level, format, length, length, 0, size, data);
|
|
|
|
m_tContentSize = CGSizeMake(static_cast<float>(length), static_cast<float>(length));
|
|
m_uPixelsWide = length;
|
|
m_uPixelsHigh = length;
|
|
m_fMaxS = 1.0f;
|
|
m_fMaxT = 1.0f;
|
|
|
|
return this;
|
|
}
|
|
|
|
CCTexture2D * CCTexture2D::initWithPVRTCFile(const char* file)
|
|
{
|
|
if (! CCConfiguration::sharedConfiguration()->isSupportsPVRTC())
|
|
{
|
|
CCLOG("cocos2d: WARNING: PVRTC images is not supported");
|
|
this->release();
|
|
return NULL;
|
|
}
|
|
|
|
CCPVRTexture *pvr = new CCPVRTexture();
|
|
pvr = pvr->initWithContentsOfFile(file);
|
|
if( pvr )
|
|
{
|
|
pvr->setRetainName(true); // don't dealloc texture on release
|
|
|
|
m_uName = pvr->getName(); // texture id
|
|
m_fMaxS = 1.0f;
|
|
m_fMaxT = 1.0f;
|
|
m_uPixelsWide = pvr->getWidth(); // width
|
|
m_uPixelsHigh = pvr->getHeight(); // height
|
|
/// be careful : UINT32 to float
|
|
m_tContentSize = CGSizeMake(static_cast<float>(m_uPixelsWide), static_cast<float>(m_uPixelsHigh));
|
|
|
|
pvr->release();
|
|
|
|
this->setAntiAliasTexParameters();
|
|
}
|
|
else
|
|
{
|
|
CCLOG("cocos2d: Couldn't load PVR image");
|
|
this->release();
|
|
return NULL;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
//
|
|
// Use to apply MIN/MAG filter
|
|
//
|
|
// implementation CCTexture2D (GLFilter)
|
|
|
|
void CCTexture2D::generateMipmap()
|
|
{
|
|
NSAssert( m_uPixelsWide == nextPOT(m_uPixelsWide) && m_uPixelsHigh == nextPOT(m_uPixelsHigh), "Mimpap texture only works in POT textures");
|
|
glBindTexture( GL_TEXTURE_2D, this->m_uName );
|
|
/// @todo include what??? glGenerateMipmapOES(GL_TEXTURE_2D);
|
|
}
|
|
|
|
void CCTexture2D::setTexParameters(ccTexParams *texParams)
|
|
{
|
|
NSAssert( (m_uPixelsWide == nextPOT(m_uPixelsWide) && m_uPixelsHigh == nextPOT(m_uPixelsHigh)) ||
|
|
(texParams->wrapS == GL_CLAMP_TO_EDGE && texParams->wrapT == GL_CLAMP_TO_EDGE),
|
|
"GL_CLAMP_TO_EDGE should be used in NPOT textures");
|
|
glBindTexture( GL_TEXTURE_2D, this->m_uName );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texParams->minFilter );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texParams->magFilter );
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texParams->wrapS );
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texParams->wrapT );
|
|
}
|
|
|
|
void CCTexture2D::setAliasTexParameters()
|
|
{
|
|
ccTexParams texParams = { GL_NEAREST, GL_NEAREST, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE };
|
|
this->setTexParameters(&texParams);
|
|
}
|
|
|
|
void CCTexture2D::setAntiAliasTexParameters()
|
|
{
|
|
ccTexParams texParams = { GL_LINEAR, GL_LINEAR, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE };
|
|
this->setTexParameters(&texParams);
|
|
}
|
|
|
|
//
|
|
// Texture options for images that contains alpha
|
|
//
|
|
// implementation CCTexture2D (PixelFormat)
|
|
|
|
void CCTexture2D::setDefaultAlphaPixelFormat(CCTexture2DPixelFormat format)
|
|
{
|
|
g_defaultAlphaPixelFormat = format;
|
|
}
|
|
|
|
|
|
CCTexture2DPixelFormat CCTexture2D::defaultAlphaPixelFormat()
|
|
{
|
|
return g_defaultAlphaPixelFormat;
|
|
}
|
|
|