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"""Convenience API for using Frame Buffer Objects""" |
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from OpenGL.extensions import alternate |
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from OpenGL.GL.ARB.framebuffer_object import * |
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from OpenGL.GL.EXT.framebuffer_object import * |
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from OpenGL.GL.EXT.framebuffer_multisample import * |
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from OpenGL.GL.EXT.framebuffer_blit import * |
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glBindFramebuffer = alternate(glBindFramebuffer,glBindFramebufferEXT) |
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glBindRenderbuffer = alternate( glBindRenderbuffer, glBindRenderbufferEXT ) |
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glCheckFramebufferStatus = alternate( glCheckFramebufferStatus, glCheckFramebufferStatusEXT ) |
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glDeleteFramebuffers = alternate( glDeleteFramebuffers, glDeleteFramebuffersEXT ) |
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glDeleteRenderbuffers = alternate( glDeleteRenderbuffers, glDeleteRenderbuffersEXT ) |
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glFramebufferRenderbuffer = alternate( glFramebufferRenderbuffer, glFramebufferRenderbufferEXT ) |
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glFramebufferTexture1D = alternate( glFramebufferTexture1D, glFramebufferTexture1DEXT ) |
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glFramebufferTexture2D = alternate( glFramebufferTexture2D, glFramebufferTexture2DEXT ) |
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glFramebufferTexture3D = alternate( glFramebufferTexture3D, glFramebufferTexture3DEXT ) |
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glGenFramebuffers = alternate( glGenFramebuffers, glGenFramebuffersEXT ) |
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glGenRenderbuffers = alternate( glGenRenderbuffers, glGenRenderbuffersEXT ) |
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glGenerateMipmap = alternate( glGenerateMipmap, glGenerateMipmapEXT ) |
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glGetFramebufferAttachmentParameteriv = alternate( glGetFramebufferAttachmentParameteriv, glGetFramebufferAttachmentParameterivEXT ) |
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glGetRenderbufferParameteriv = alternate( glGetRenderbufferParameteriv, glGetRenderbufferParameterivEXT ) |
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glIsFramebuffer = alternate( glIsFramebuffer, glIsFramebufferEXT ) |
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glIsRenderbuffer = alternate( glIsRenderbuffer, glIsRenderbufferEXT ) |
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glRenderbufferStorage = alternate( glRenderbufferStorage, glRenderbufferStorageEXT ) |
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glBlitFramebuffer = alternate( glBlitFramebuffer, glBlitFramebufferEXT ) |
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glRenderbufferStorageMultisample = alternate( glRenderbufferStorageMultisample, glRenderbufferStorageMultisampleEXT ) |
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def checkFramebufferStatus(): |
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"""Utility method to check status and raise errors""" |
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status = glCheckFramebufferStatus( GL_FRAMEBUFFER ) |
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if status == GL_FRAMEBUFFER_COMPLETE: |
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return True |
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from OpenGL.error import GLError |
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description = None |
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for error_constant in [ |
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GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT, |
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GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT, |
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GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS, |
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GL_FRAMEBUFFER_INCOMPLETE_FORMATS, |
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GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER, |
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GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER, |
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GL_FRAMEBUFFER_UNSUPPORTED, |
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]: |
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if status == error_constant: |
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status = error_constant |
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description = str(status) |
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raise GLError( |
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err=status, |
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result=status, |
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baseOperation=glCheckFramebufferStatus, |
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description=description, |
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) |
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