| | '''OpenGL extension EXT.gpu_program_parameters |
| | |
| | This module customises the behaviour of the |
| | OpenGL.raw.GL.EXT.gpu_program_parameters to provide a more |
| | Python-friendly API |
| | |
| | Overview (from the spec) |
| | |
| | This extension provides a new set of procedures to load multiple |
| | consecutive program environment parameters more efficiently, via a single |
| | GL call instead of multiple calls. This will reduce the amount of CPU |
| | overhead involved in loading parameters. |
| | |
| | With the existing ARB_vertex_program and ARB_fragment_program APIs, |
| | program parameters must be loaded one at a time, via separate calls. |
| | While the NV_vertex_program extension provides a set of similar functions |
| | that can be used to load program environment parameters (which are |
| | equivalent to "program parameters" in NV_vertex_program), no such function |
| | exists for program local parameters. |
| | |
| | The official definition of this extension is available here: |
| | http://www.opengl.org/registry/specs/EXT/gpu_program_parameters.txt |
| | ''' |
| | from OpenGL import platform, constant, arrays |
| | from OpenGL import extensions, wrapper |
| | import ctypes |
| | from OpenGL.raw.GL import _types, _glgets |
| | from OpenGL.raw.GL.EXT.gpu_program_parameters import * |
| | from OpenGL.raw.GL.EXT.gpu_program_parameters import _EXTENSION_NAME |
| |
|
| | def glInitGpuProgramParametersEXT(): |
| | '''Return boolean indicating whether this extension is available''' |
| | from OpenGL import extensions |
| | return extensions.hasGLExtension( _EXTENSION_NAME ) |
| |
|
| | |
| | glProgramEnvParameters4fvEXT=wrapper.wrapper(glProgramEnvParameters4fvEXT).setInputArraySize( |
| | 'params', None |
| | ) |
| | |
| | glProgramLocalParameters4fvEXT=wrapper.wrapper(glProgramLocalParameters4fvEXT).setInputArraySize( |
| | 'params', None |
| | ) |
| | |