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2014/10/15 ¤U¤È 10:13:17
iphone Programming Glossary: rendertextureOpenGL ES 2d rendering into image http://stackoverflow.com/questions/10455329/opengl-es-2d-rendering-into-image int imageSize.width int imageSize.height kCVPixelFormatType_32BGRA attrs renderTarget CVOpenGLESTextureRef renderTexture CVOpenGLESTextureCacheCreateTextureFromImage kCFAllocatorDefault rawDataTextureCache renderTarget NULL texture attributes.. opengl format int imageSize.width int imageSize.height GL_BGRA native iOS format GL_UNSIGNED_BYTE 0 renderTexture CFRelease attrs CFRelease empty glBindTexture CVOpenGLESTextureGetTarget renderTexture CVOpenGLESTextureGetName renderTexture.. GL_UNSIGNED_BYTE 0 renderTexture CFRelease attrs CFRelease empty glBindTexture CVOpenGLESTextureGetTarget renderTexture CVOpenGLESTextureGetName renderTexture glTexParameterf GL_TEXTURE_2D GL_TEXTURE_WRAP_S GL_CLAMP_TO_EDGE glTexParameterf..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 CVPixelBufferPoolCreatePixelBuffer NULL assetWriterPixelBufferInput pixelBufferPool renderTarget CVOpenGLESTextureRef renderTexture CVOpenGLESTextureCacheCreateTextureFromImage kCFAllocatorDefault coreVideoTextureCache renderTarget NULL texture attributes.. opengl format int videoSize.width int videoSize.height GL_BGRA native iOS format GL_UNSIGNED_BYTE 0 renderTexture glBindTexture CVOpenGLESTextureGetTarget renderTexture CVOpenGLESTextureGetName renderTexture glTexParameterf GL_TEXTURE_2D.. GL_BGRA native iOS format GL_UNSIGNED_BYTE 0 renderTexture glBindTexture CVOpenGLESTextureGetTarget renderTexture CVOpenGLESTextureGetName renderTexture glTexParameterf GL_TEXTURE_2D GL_TEXTURE_WRAP_S GL_CLAMP_TO_EDGE glTexParameterf..
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