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113 lines
3.0 KiB
113 lines
3.0 KiB
4 months ago
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/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/** @file gl.h
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*
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* Provides an implementation of a GL dispatch layer using either
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* global function pointers or a hidden vtable.
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*
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* You should include `<epoxy/gl.h>` instead of `<GL/gl.h>` and `<GL/glext.h>`.
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*/
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#ifndef EPOXY_GL_H
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#define EPOXY_GL_H
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#include "epoxy/common.h"
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#if defined(__gl_h_) || defined(__glext_h_)
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#error epoxy/gl.h must be included before (or in place of) GL/gl.h
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#else
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#define __gl_h_
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#define __glext_h_
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#endif
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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#define KHRONOS_APIATTRIBUTES
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#ifndef _WIN32
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/* APIENTRY and GLAPIENTRY are not used on Linux or Mac. */
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#define APIENTRY
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#define GLAPIENTRY
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#define EPOXY_CALLSPEC
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#define GLAPI
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#define KHRONOS_APIENTRY
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#define KHRONOS_APICALL
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#else
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#ifndef APIENTRY
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#define APIENTRY __stdcall
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#endif
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#ifndef GLAPIENTRY
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#define GLAPIENTRY APIENTRY
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#endif
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#ifndef EPOXY_CALLSPEC
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#define EPOXY_CALLSPEC __stdcall
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#endif
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#ifndef GLAPI
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#define GLAPI extern
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#endif
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#define KHRONOS_APIENTRY __stdcall
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#define KHRONOS_APICALL __declspec(dllimport) __stdcall
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#endif /* _WIN32 */
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#ifndef APIENTRYP
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#define APIENTRYP APIENTRY *
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#endif
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#ifndef GLAPIENTRYP
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#define GLAPIENTRYP GLAPIENTRY *
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#endif
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EPOXY_BEGIN_DECLS
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#include "epoxy/gl_generated.h"
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EPOXY_PUBLIC bool epoxy_has_gl_extension(const char *extension);
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EPOXY_PUBLIC bool epoxy_is_desktop_gl(void);
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EPOXY_PUBLIC int epoxy_gl_version(void);
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EPOXY_PUBLIC int epoxy_glsl_version(void);
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/*
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* the type of the stub function that the failure handler must return;
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* this function will be called on subsequent calls to the same bogus
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* function name
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*/
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typedef void (*epoxy_resolver_stub_t)(void);
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/* the type of the failure handler itself */
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typedef epoxy_resolver_stub_t
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(*epoxy_resolver_failure_handler_t)(const char *name);
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EPOXY_PUBLIC epoxy_resolver_failure_handler_t
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epoxy_set_resolver_failure_handler(epoxy_resolver_failure_handler_t handler);
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EPOXY_END_DECLS
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#endif /* EPOXY_GL_H */
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