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- '''OpenGL extension EXT.histogram
-
- Overview (from the spec)
-
- This extension defines pixel operations that count occurences of
- specific color component values (histogram) and that track the minimum
- and maximum color component values (minmax). An optional mode allows
- pixel data to be discarded after the histogram and/or minmax operations
- are completed. Otherwise the pixel data continue on to the next
- operation unaffected.
-
- The official definition of this extension is available here:
- http://oss.sgi.com/projects/ogl-sample/registry/EXT/histogram.txt
-
- Automatically generated by the get_gl_extensions script, do not edit!
- '''
- from OpenGL import platform, constants, constant, arrays
- from OpenGL import extensions
- from OpenGL.GL import glget
- import ctypes
- EXTENSION_NAME = 'GL_EXT_histogram'
- GL_HISTOGRAM_EXT = constant.Constant( 'GL_HISTOGRAM_EXT', 0x8024 )
- glget.addGLGetConstant( GL_HISTOGRAM_EXT, (1,) )
- GL_PROXY_HISTOGRAM_EXT = constant.Constant( 'GL_PROXY_HISTOGRAM_EXT', 0x8025 )
- GL_HISTOGRAM_WIDTH_EXT = constant.Constant( 'GL_HISTOGRAM_WIDTH_EXT', 0x8026 )
- GL_HISTOGRAM_FORMAT_EXT = constant.Constant( 'GL_HISTOGRAM_FORMAT_EXT', 0x8027 )
- GL_HISTOGRAM_RED_SIZE_EXT = constant.Constant( 'GL_HISTOGRAM_RED_SIZE_EXT', 0x8028 )
- GL_HISTOGRAM_GREEN_SIZE_EXT = constant.Constant( 'GL_HISTOGRAM_GREEN_SIZE_EXT', 0x8029 )
- GL_HISTOGRAM_BLUE_SIZE_EXT = constant.Constant( 'GL_HISTOGRAM_BLUE_SIZE_EXT', 0x802A )
- GL_HISTOGRAM_ALPHA_SIZE_EXT = constant.Constant( 'GL_HISTOGRAM_ALPHA_SIZE_EXT', 0x802B )
- GL_HISTOGRAM_LUMINANCE_SIZE_EXT = constant.Constant( 'GL_HISTOGRAM_LUMINANCE_SIZE_EXT', 0x802C )
- GL_HISTOGRAM_SINK_EXT = constant.Constant( 'GL_HISTOGRAM_SINK_EXT', 0x802D )
- GL_MINMAX_EXT = constant.Constant( 'GL_MINMAX_EXT', 0x802E )
- glget.addGLGetConstant( GL_MINMAX_EXT, (1,) )
- GL_MINMAX_FORMAT_EXT = constant.Constant( 'GL_MINMAX_FORMAT_EXT', 0x802F )
- GL_MINMAX_SINK_EXT = constant.Constant( 'GL_MINMAX_SINK_EXT', 0x8030 )
- GL_TABLE_TOO_LARGE_EXT = constant.Constant( 'GL_TABLE_TOO_LARGE_EXT', 0x8031 )
- glGetHistogramEXT = platform.createExtensionFunction(
- 'glGetHistogramEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLboolean, constants.GLenum, constants.GLenum, ctypes.c_void_p,),
- doc = 'glGetHistogramEXT( GLenum(target), GLboolean(reset), GLenum(format), GLenum(type), c_void_p(values) ) -> None',
- argNames = ('target', 'reset', 'format', 'type', 'values',),
- )
-
- glGetHistogramParameterfvEXT = platform.createExtensionFunction(
- 'glGetHistogramParameterfvEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLenum, arrays.GLfloatArray,),
- doc = 'glGetHistogramParameterfvEXT( GLenum(target), GLenum(pname), GLfloatArray(params) ) -> None',
- argNames = ('target', 'pname', 'params',),
- )
-
- glGetHistogramParameterivEXT = platform.createExtensionFunction(
- 'glGetHistogramParameterivEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLenum, arrays.GLintArray,),
- doc = 'glGetHistogramParameterivEXT( GLenum(target), GLenum(pname), GLintArray(params) ) -> None',
- argNames = ('target', 'pname', 'params',),
- )
-
- glGetMinmaxEXT = platform.createExtensionFunction(
- 'glGetMinmaxEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLboolean, constants.GLenum, constants.GLenum, ctypes.c_void_p,),
- doc = 'glGetMinmaxEXT( GLenum(target), GLboolean(reset), GLenum(format), GLenum(type), c_void_p(values) ) -> None',
- argNames = ('target', 'reset', 'format', 'type', 'values',),
- )
-
- glGetMinmaxParameterfvEXT = platform.createExtensionFunction(
- 'glGetMinmaxParameterfvEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLenum, arrays.GLfloatArray,),
- doc = 'glGetMinmaxParameterfvEXT( GLenum(target), GLenum(pname), GLfloatArray(params) ) -> None',
- argNames = ('target', 'pname', 'params',),
- )
-
- glGetMinmaxParameterivEXT = platform.createExtensionFunction(
- 'glGetMinmaxParameterivEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLenum, arrays.GLintArray,),
- doc = 'glGetMinmaxParameterivEXT( GLenum(target), GLenum(pname), GLintArray(params) ) -> None',
- argNames = ('target', 'pname', 'params',),
- )
-
- glHistogramEXT = platform.createExtensionFunction(
- 'glHistogramEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLsizei, constants.GLenum, constants.GLboolean,),
- doc = 'glHistogramEXT( GLenum(target), GLsizei(width), GLenum(internalformat), GLboolean(sink) ) -> None',
- argNames = ('target', 'width', 'internalformat', 'sink',),
- )
-
- glMinmaxEXT = platform.createExtensionFunction(
- 'glMinmaxEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum, constants.GLenum, constants.GLboolean,),
- doc = 'glMinmaxEXT( GLenum(target), GLenum(internalformat), GLboolean(sink) ) -> None',
- argNames = ('target', 'internalformat', 'sink',),
- )
-
- glResetHistogramEXT = platform.createExtensionFunction(
- 'glResetHistogramEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum,),
- doc = 'glResetHistogramEXT( GLenum(target) ) -> None',
- argNames = ('target',),
- )
-
- glResetMinmaxEXT = platform.createExtensionFunction(
- 'glResetMinmaxEXT', dll=platform.GL,
- extension=EXTENSION_NAME,
- resultType=None,
- argTypes=(constants.GLenum,),
- doc = 'glResetMinmaxEXT( GLenum(target) ) -> None',
- argNames = ('target',),
- )
-
-
- def glInitHistogramEXT():
- '''Return boolean indicating whether this extension is available'''
- return extensions.hasGLExtension( EXTENSION_NAME )
-