| | '''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 ) |
| |
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| |
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| | |
