diff options
Diffstat (limited to 'xorg-server/hw/xwin/glx/wgl_ext_api.c')
-rw-r--r-- | xorg-server/hw/xwin/glx/wgl_ext_api.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/glx/wgl_ext_api.c b/xorg-server/hw/xwin/glx/wgl_ext_api.c new file mode 100644 index 000000000..ffe10884d --- /dev/null +++ b/xorg-server/hw/xwin/glx/wgl_ext_api.c @@ -0,0 +1,84 @@ +/* + * File: wgl_ext_api.c + * Purpose: Wrapper functions for Win32 OpenGL wgl extension functions + * + * Authors: Jon TURNEY + * + * Copyright (c) Jon TURNEY 2009 + * + * + * 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 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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. + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif + +#include <X11/Xwindows.h> +#include <GL/gl.h> +#include <GL/glext.h> +#include <glx/glxserver.h> +#include <glx/glxext.h> +#include "wglext.h" +#include <wgl_ext_api.h> +#include "glwindows.h" + +#define RESOLVE_DECL(type) \ + static type type##proc = NULL; + +#define PRERESOLVE(type, symbol) \ + type##proc = (type)wglGetProcAddress(symbol); \ + if (type##proc == NULL) \ + ErrorF("wglwrap: Can't resolve \"%s\"\n", symbol); \ + else \ + ErrorF("wglwrap: Resolved \"%s\"\n", symbol); + +#define RESOLVE_RET(type, symbol, retval) \ + if (type##proc == NULL) { \ + __glXErrorCallBack(0); \ + return retval; \ + } + +#define RESOLVE(procname, symbol) RESOLVE_RET(procname, symbol,) + +#define RESOLVED_PROC(type) type##proc + +/* + * There are extensions to the wgl*() API as well; again we call + * these functions by using wglGetProcAddress() to get a pointer + * to the function, and wrapping it for cdecl/stdcall conversion + * + * This should be autogenerated as well, really... + * + * We arrange to resolve the functions up front, as they need a + * context to work, as we like to use them to be able to select + * a context. Again, this assumption fails badly on multimontor + * systems... + */ + +/* + Include generated cdecl wrappers for stdcall WGL functions + + function address must found using wglGetProcAddress(), + but also stdcall so still need wrappers... + + Include generated +*/ + +#include "generated_wgl_wrappers.c" |