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How can i save an OpenGL scene as a BMP file using the glPixelRead (i.e. take a snapshot) ?
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glPixelRead
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Create a buffer to hold your image (assuming 800x600 RGB)
unsigned char* pBuffer = new unsigned char[800*600*3];
Use glReadPixels:
glReadPixels(0,0,800,600,GL_RGB,GL_UNSIGNED_BYTE,pBuffer);
Then write a BMP file of the buffer in pBuffer, this is left as an exercise in web/tutorial searching
unsigned char* pBuffer = new unsigned char[800*600*3];
Use glReadPixels:
glReadPixels(0,0,800,600,GL_RGB,GL_UNSIGNED_BYTE,pBuffer);
Then write a BMP file of the buffer in pBuffer, this is left as an exercise in web/tutorial searching
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