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'''OpenGL extension SGIX.pixel_texture |
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This module customises the behaviour of the |
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OpenGL.raw.GL.SGIX.pixel_texture to provide a more |
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Python-friendly API |
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Overview (from the spec) |
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This extension allows the color components of pixel groups to be used as |
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texture coordinates, effectively converting a color image into a texture |
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coordinate image. Because texture mapping is essentially a |
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multidimensional table lookup, this conversion supports multidimensional |
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color lookups for images. Such multidimensional lookups can be used to |
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implement very accurate color space conversions. |
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The official definition of this extension is available here: |
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http://www.opengl.org/registry/specs/SGIX/pixel_texture.txt |
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''' |
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from OpenGL import platform, constant, arrays |
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from OpenGL import extensions, wrapper |
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import ctypes |
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from OpenGL.raw.GL import _types, _glgets |
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from OpenGL.raw.GL.SGIX.pixel_texture import * |
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from OpenGL.raw.GL.SGIX.pixel_texture import _EXTENSION_NAME |
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def glInitPixelTextureSGIX(): |
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'''Return boolean indicating whether this extension is available''' |
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from OpenGL import extensions |
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return extensions.hasGLExtension( _EXTENSION_NAME ) |
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