| '''OpenGL extension AMD.multi_draw_indirect |
| |
| This module customises the behaviour of the |
| OpenGL.raw.GL.AMD.multi_draw_indirect to provide a more |
| Python-friendly API |
| |
| Overview (from the spec) |
| |
| The ARB_draw_indirect extension (included in OpenGL 4.0) introduced |
| mechanisms whereby the parameters for a draw function may be provided in |
| a structure contained in a buffer object rather than as parameters to the |
| drawing procedure. This is known as an indirect draw and is exposed as two |
| new functions, glDrawArraysIndirect and glDrawElementsIndirect. Each of |
| these functions generates a single batch of primitives. |
| |
| This extension builds on this functionality by providing procedures to |
| invoke multiple draws from a single procedure call. This allows large |
| batches of drawing commands to be assembled in server memory (via a buffer |
| object) which may then be dispatched through a single function call. |
| |
| The official definition of this extension is available here: |
| http://www.opengl.org/registry/specs/AMD/multi_draw_indirect.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.AMD.multi_draw_indirect import * |
| from OpenGL.raw.GL.AMD.multi_draw_indirect import _EXTENSION_NAME |
|
|
| def glInitMultiDrawIndirectAMD(): |
| '''Return boolean indicating whether this extension is available''' |
| from OpenGL import extensions |
| return extensions.hasGLExtension( _EXTENSION_NAME ) |
|
|
|
|
| |
