OpenGL.raw.GL.ARB.vertex_program | index /build/buildd/pyopengl-3.0.0~b3/OpenGL/raw/GL/ARB/vertex_program.py |
OpenGL extension ARB.vertex_program
Overview (from the spec)
Unextended OpenGL mandates a certain set of configurable per-vertex
computations defining vertex transformation, texture coordinate generation
and transformation, and lighting. Several extensions have added further
per-vertex computations to OpenGL. For example, extensions have defined
new texture coordinate generation modes (ARB_texture_cube_map,
NV_texgen_reflection, NV_texgen_emboss), new vertex transformation modes
(ARB_vertex_blend, EXT_vertex_weighting), new lighting modes (OpenGL 1.2's
separate specular and rescale normal functionality), several modes for fog
distance generation (NV_fog_distance), and eye-distance point size
attenuation (EXT/ARB_point_parameters).
Each such extension adds a small set of relatively inflexible
per-vertex computations.
This inflexibility is in contrast to the typical flexibility provided by
the underlying programmable floating point engines (whether micro-coded
vertex engines, DSPs, or CPUs) that are traditionally used to implement
OpenGL's per-vertex computations. The purpose of this extension is to
expose to the OpenGL application writer a significant degree of per-vertex
programmability for computing vertex parameters.
For the purposes of discussing this extension, a vertex program is a
sequence of floating-point 4-component vector operations that determines
how a set of program parameters (defined outside of OpenGL's Begin/End
pair) and an input set of per-vertex parameters are transformed to a set
of per-vertex result parameters.
The per-vertex computations for standard OpenGL given a particular set of
lighting and texture coordinate generation modes (along with any state for
extensions defining per-vertex computations) is, in essence, a vertex
program. However, the sequence of operations is defined implicitly by the
current OpenGL state settings rather than defined explicitly as a sequence
of instructions.
This extension provides an explicit mechanism for defining vertex program
instruction sequences for application-defined vertex programs. In order
to define such vertex programs, this extension defines a vertex
programming model including a floating-point 4-component vector
instruction set and a relatively large set of floating-point 4-component
registers.
The extension's vertex programming model is designed for efficient
hardware implementation and to support a wide variety of vertex programs.
By design, the entire set of existing vertex programs defined by existing
OpenGL per-vertex computation extensions can be implemented using the
extension's vertex programming model.
The official definition of this extension is available here:
http://oss.sgi.com/projects/ogl-sample/registry/ARB/vertex_program.txt
Automatically generated by the get_gl_extensions script, do not edit!
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GL_COLOR_SUM_ARB = GL_COLOR_SUM_ARB GL_CURRENT_MATRIX_ARB = GL_CURRENT_MATRIX_ARB GL_CURRENT_MATRIX_STACK_DEPTH_ARB = GL_CURRENT_MATRIX_STACK_DEPTH_ARB GL_CURRENT_VERTEX_ATTRIB_ARB = GL_CURRENT_VERTEX_ATTRIB_ARB GL_MATRIX0_ARB = GL_MATRIX0_ARB GL_MATRIX10_ARB = GL_MATRIX10_ARB GL_MATRIX11_ARB = GL_MATRIX11_ARB GL_MATRIX12_ARB = GL_MATRIX12_ARB GL_MATRIX13_ARB = GL_MATRIX13_ARB GL_MATRIX14_ARB = GL_MATRIX14_ARB GL_MATRIX15_ARB = GL_MATRIX15_ARB GL_MATRIX16_ARB = GL_MATRIX16_ARB GL_MATRIX17_ARB = GL_MATRIX17_ARB GL_MATRIX18_ARB = GL_MATRIX18_ARB GL_MATRIX19_ARB = GL_MATRIX19_ARB GL_MATRIX1_ARB = GL_MATRIX1_ARB GL_MATRIX20_ARB = GL_MATRIX20_ARB GL_MATRIX21_ARB = GL_MATRIX21_ARB GL_MATRIX22_ARB = GL_MATRIX22_ARB GL_MATRIX23_ARB = GL_MATRIX23_ARB GL_MATRIX24_ARB = GL_MATRIX24_ARB GL_MATRIX25_ARB = GL_MATRIX25_ARB GL_MATRIX26_ARB = GL_MATRIX26_ARB GL_MATRIX27_ARB = GL_MATRIX27_ARB GL_MATRIX28_ARB = GL_MATRIX28_ARB GL_MATRIX29_ARB = GL_MATRIX29_ARB GL_MATRIX2_ARB = GL_MATRIX2_ARB GL_MATRIX30_ARB = GL_MATRIX30_ARB GL_MATRIX31_ARB = GL_MATRIX31_ARB GL_MATRIX3_ARB = GL_MATRIX3_ARB GL_MATRIX4_ARB = GL_MATRIX4_ARB GL_MATRIX5_ARB = GL_MATRIX5_ARB GL_MATRIX6_ARB = GL_MATRIX6_ARB GL_MATRIX7_ARB = GL_MATRIX7_ARB GL_MATRIX8_ARB = GL_MATRIX8_ARB GL_MATRIX9_ARB = GL_MATRIX9_ARB GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB GL_MAX_PROGRAM_ATTRIBS_ARB = GL_MAX_PROGRAM_ATTRIBS_ARB GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = GL_MAX_PROGRAM_ENV_PARAMETERS_ARB GL_MAX_PROGRAM_INSTRUCTIONS_ARB = GL_MAX_PROGRAM_INSTRUCTIONS_ARB GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB GL_MAX_PROGRAM_MATRICES_ARB = GL_MAX_PROGRAM_MATRICES_ARB GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB = GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB GL_MAX_PROGRAM_PARAMETERS_ARB = GL_MAX_PROGRAM_PARAMETERS_ARB GL_MAX_PROGRAM_TEMPORARIES_ARB = GL_MAX_PROGRAM_TEMPORARIES_ARB GL_MAX_VERTEX_ATTRIBS_ARB = GL_MAX_VERTEX_ATTRIBS_ARB GL_PROGRAM_ADDRESS_REGISTERS_ARB = GL_PROGRAM_ADDRESS_REGISTERS_ARB GL_PROGRAM_ATTRIBS_ARB = GL_PROGRAM_ATTRIBS_ARB GL_PROGRAM_BINDING_ARB = GL_PROGRAM_BINDING_ARB GL_PROGRAM_ERROR_POSITION_ARB = GL_PROGRAM_ERROR_POSITION_ARB GL_PROGRAM_ERROR_STRING_ARB = GL_PROGRAM_ERROR_STRING_ARB GL_PROGRAM_FORMAT_ARB = GL_PROGRAM_FORMAT_ARB GL_PROGRAM_FORMAT_ASCII_ARB = GL_PROGRAM_FORMAT_ASCII_ARB GL_PROGRAM_INSTRUCTIONS_ARB = GL_PROGRAM_INSTRUCTIONS_ARB GL_PROGRAM_LENGTH_ARB = GL_PROGRAM_LENGTH_ARB GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB GL_PROGRAM_NATIVE_ATTRIBS_ARB = GL_PROGRAM_NATIVE_ATTRIBS_ARB GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB = GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB GL_PROGRAM_NATIVE_PARAMETERS_ARB = GL_PROGRAM_NATIVE_PARAMETERS_ARB GL_PROGRAM_NATIVE_TEMPORARIES_ARB = GL_PROGRAM_NATIVE_TEMPORARIES_ARB GL_PROGRAM_PARAMETERS_ARB = GL_PROGRAM_PARAMETERS_ARB GL_PROGRAM_STRING_ARB = GL_PROGRAM_STRING_ARB GL_PROGRAM_TEMPORARIES_ARB = GL_PROGRAM_TEMPORARIES_ARB GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB = GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB GL_TRANSPOSE_CURRENT_MATRIX_ARB = GL_TRANSPOSE_CURRENT_MATRIX_ARB GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB = GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB = GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB = GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB = GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB = GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB = GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB GL_VERTEX_PROGRAM_ARB = GL_VERTEX_PROGRAM_ARB GL_VERTEX_PROGRAM_POINT_SIZE_ARB = GL_VERTEX_PROGRAM_POINT_SIZE_ARB GL_VERTEX_PROGRAM_TWO_SIDE_ARB = GL_VERTEX_PROGRAM_TWO_SIDE_ARB __file__ = '/build/buildd/pyopengl-3.0.0~b3/OpenGL/raw/GL/ARB/vertex_program.py' __name__ = 'OpenGL.raw.GL.ARB.vertex_program' |