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e2f5579391
If you include a file that might define __INSIDE_COGL_H__, don't undefine it if it wasn't defined in that file. This makes it possible to include for example cogl-gles2.h from some other file which defines __INSIDE_COGL_H__. https://bugzilla.gnome.org/show_bug.cgi?id=768976
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* Cogl
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*
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* A Low-Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_GLX_H__
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#define __COGL_GLX_H__
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/* NB: this is a top-level header that can be included directly but we
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* want to be careful not to define __COGL_H_INSIDE__ when this is
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* included internally while building Cogl itself since
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* __COGL_H_INSIDE__ is used in headers to guard public vs private api
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* definitions
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*/
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#ifndef COGL_COMPILATION
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/* Note: When building Cogl .gir we explicitly define
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* __COGL_GLX_H_INSIDE__ */
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#ifndef __COGL_GLX_H_INSIDE__
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#define __COGL_GLX_H_INSIDE__
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#endif
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/* Note: When building Cogl .gir we explicitly define
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* __COGL_H_INSIDE__ */
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#ifndef __COGL_H_INSIDE__
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#define __COGL_H_INSIDE__
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#define __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_GLX_
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#endif
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#endif /* COGL_COMPILATION */
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#include <GL/glx.h>
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#include <cogl/cogl-types.h>
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COGL_BEGIN_DECLS
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/**
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* cogl_glx_context_get_glx_context:
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* @context: A #CoglContext pointer
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*
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* If you have done a runtime check to determine that Cogl is using
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* GLX internally then this API can be used to retrieve the GLXContext
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* handle that was setup internally. The result is undefined if Cogl
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* is not using GLX.
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*
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* Return value: The internally setup GLXContext handle.
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* Since: 1.18
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* Stability: unstable
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*/
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GLXContext
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cogl_glx_context_get_glx_context (CoglContext *context);
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COGL_END_DECLS
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/* The gobject introspection scanner seems to parse public headers in
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* isolation which means we need to be extra careful about how we
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* define and undefine __COGL_H_INSIDE__ used to detect when internal
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* headers are incorrectly included by developers. In the gobject
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* introspection case we have to manually define __COGL_H_INSIDE__ as
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* a commandline argument for the scanner which means we must be
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* careful not to undefine it in a header...
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*/
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#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_GLX_
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#warning
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#undef __COGL_H_INSIDE__
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#undef __COGL_GLX_H_INSIDE__
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#undef __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_GLX_
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#endif
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#endif /* __COGL_GLX_H__ */
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