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glxquerydrawable(3g) [centos man page]

GLXQUERYDRAWABLE(3G)						   OpenGL Manual					      GLXQUERYDRAWABLE(3G)

NAME
glXQueryDrawable - returns an attribute assoicated with a GLX drawable C SPECIFICATION
int glXQueryDrawable(Display * dpy, GLXDrawable draw, int attribute, unsigned int * value); PARAMETERS
dpy Specifies the connection to the X server. draw Specifies the GLX drawable to be queried. attribute Specifies the attribute to be returned. Must be one of GLX_WIDTH, GLX_HEIGHT, GLX_PRESERVED_CONTENTS, GLX_LARGEST_PBUFFER, or GLX_FBCONFIG_ID. value Contains the return value for attribute. DESCRIPTION
glXQueryDrawable sets value to the value of attribute with respect to the GLXDrawable draw. attribute may be one of the following: GLX_WIDTH Returns the width of ctx. GLX_HEIGHT Returns the height of ctx. GLX_PRESERVED_CONTENTS Returns True if the contents of a GLXPbuffer are preserved when a resource conflict occurs; False otherwise. GLX_LARGEST_PBUFFER Returns the value set when glXCreatePbuffer was called to create the GLXPbuffer. If False is returned, then the call to glXCreatePbuffer will fail to create a GLXPbuffer if the requested size is larger than the implementation maximum or available resources. If True is returned, a GLXPbuffer of the maximum availble size (if less than the requested width and height) is created. GLX_FBCONFIG_ID Returns the XID for draw. If draw is a GLXWindow or GLXPixmap and attribute is set to GLX_PRESERVED_CONTENTS or GLX_LARGETST_PBUFFER, the contents of value are undefined. If attribute is not one of the attributes listed above, the contents of value are unedfined. ERRORS
A GLXBadDrawable is generated if draw is not a valid GLXDrawable. SEE ALSO
glXCreateWindow(), glXCreatePixmap(), glXCreatePbuffer(), glXGetFBConfigAttrib(), glXChooseFBConfig() COPYRIGHT
Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/. AUTHORS
opengl.org opengl.org 06/10/2014 GLXQUERYDRAWABLE(3G)

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GLXQUERYCONTEXTINFOE(3G)					   OpenGL Manual					  GLXQUERYCONTEXTINFOE(3G)

NAME
glXQueryContextInfoEXT - query context information C SPECIFICATION
int glXQueryContextInfoEXT(Display * dpy, GLXContext ctx, int attribute, int * value); PARAMETERS
dpy Specifies the connection to the X server. ctx Specifies a GLX rendering context. attribute Specifies that a context parameter should be retrieved. Must be one of GLX_SHARED_CONTEXT_EXT, GLX_VISUAL_ID_EXT, or GLX_SCREEN_EXT. value Contains the return value for attribute. DESCRIPTION
glXQueryContextInfoEXT sets value to the value of attribute with respect to ctx. glXQueryContextInfoEXT returns an error code if it fails for any reason. Otherwise, Success is returned. attribute may be one of the following: GLX_SHARED_CONTEXT_EXT Returns the XID of the share list context associated with ctx at its creation. GLX_VISUAL_ID_EXT Returns the XID of the GLX Visual associated with ctx. GLX_SCREEN_EXT Returns the screen number associated with ctx. This call may cause a round-trip to the server. glXQueryContextInfoEXT is part of the EXT_import_context extension, not part of the core GLX command set. If _glxextstring(EXT_import_context) is included in the string returned by glXQueryExtensionsString(), when called with argument GLX_EXTENSIONS, extension EXT_import_context is supported. ERRORS
GLXBadContext is generated if ctx does not refer to a valid context. GLX_BAD_ATTRIBUTE is returned if attribute is not a valid GLX context attribute. fred GLX_BAD_CONTEXT is returned if attribute is not a valid context. SEE ALSO
glXCreateContext(), glXQueryVersion(), glXQueryExtensionsString() COPYRIGHT
Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/. AUTHORS
opengl.org opengl.org 06/10/2014 GLXQUERYCONTEXTINFOE(3G)
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