| | '''OpenGL extension EXT.texture_from_pixmap |
| | |
| | This module customises the behaviour of the |
| | OpenGL.raw.GLX.EXT.texture_from_pixmap to provide a more |
| | Python-friendly API |
| | |
| | Overview (from the spec) |
| | |
| | This extension allows a color buffer to be used for both rendering and |
| | texturing. |
| | |
| | Only color buffers of pixmaps can be used for texturing by this extension |
| | but other types of drawables can be supported by future extensions layered |
| | on top of this extension. |
| | |
| | The functionality of this extension is similar to WGL_ARB_render_texture. |
| | However, the purpose of this extension is not to provide |
| | "render to texture" like functionality but rather the ability to bind |
| | an existing X drawable to a texture. Though, there is nothing that |
| | prohibits it from being used for "render to texture". |
| | |
| | - Windows are problematic as they can change size and therefore are not |
| | supported by this extension. |
| | |
| | - Only a color buffer of a GLX pixmap created using an FBConfig with |
| | attribute GLX_BIND_TO_TEXTURE_RGB_EXT or GLX_BIND_TO_TEXTURE_RGBA_EXT |
| | set to TRUE can be bound as a texture. |
| | |
| | - The texture internal format is determined when the color buffer |
| | is associated with the texture, guaranteeing that the color |
| | buffer format is equivalent to the texture internal format. |
| | |
| | - A client can create a complete set of mipmap images if |
| | EXT_framebuffer_object is supported. |
| | |
| | |
| | The official definition of this extension is available here: |
| | http://www.opengl.org/registry/specs/EXT/texture_from_pixmap.txt |
| | ''' |
| | from OpenGL import platform, constant, arrays |
| | from OpenGL import extensions, wrapper |
| | import ctypes |
| | from OpenGL.raw.GLX import _types, _glgets |
| | from OpenGL.raw.GLX.EXT.texture_from_pixmap import * |
| | from OpenGL.raw.GLX.EXT.texture_from_pixmap import _EXTENSION_NAME |
| |
|
| | def glInitTextureFromPixmapEXT(): |
| | '''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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| | |
