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# ----------------------------------------------------------------------------
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# Copyright (c) 2008 Daniel Moisset, Ricardo Quesada, Rayentray Tappa, Lucio Torre
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# * Neither the name of cocos2d nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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"""A thin wrapper for OpenGL framebuffer objets. For implementation use only"""
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__docformat__ = 'restructuredtext'
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from pyglet.gl import *
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class FramebufferObject (object):
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Wrapper for framebuffer objects. See
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http://oss.sgi.com/projects/ogl-sample/registry/EXT/framebuffer_object.txt
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API is not very OO, should be improved.
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"""Create a new framebuffer object"""
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glGenFramebuffersEXT (1, byref(id))
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"""Set FBO as current rendering target"""
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glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, self._id)
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"""Set default framebuffer as current rendering target"""
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glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0)
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def texture2d (self, texture):
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"""Map currently bound framebuffer (not necessarily self) to texture"""
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glFramebufferTexture2DEXT (
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GL_COLOR_ATTACHMENT0_EXT,
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def check_status(self):
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"""Check that currently set framebuffer is ready for rendering"""
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status = glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT)
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if status != GL_FRAMEBUFFER_COMPLETE_EXT:
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raise Exception ("Frambuffer not complete: %d" % status)
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'''Delete the framebuffer from the GPU memory'''
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glDeleteFramebuffersEXT(1, byref(id))
added
removed
cocos/gl_framebuffer_object.py
