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