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/**************************************************************************
*
* Copyright 2008 VMware, Inc.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#include <windows.h>
#define WGL_WGLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/wglext.h>
#include "glapi/glapi.h"
#include "stw_device.h"
#include "stw_icd.h"
#include "stw_nopfuncs.h"
#include "util/u_debug.h"
struct stw_extension_entry
{
const char *name;
PROC proc;
};
#define STW_EXTENSION_ENTRY(P) { #P, (PROC) P }
static const struct stw_extension_entry stw_extension_entries[] = {
/* WGL_ARB_extensions_string */
STW_EXTENSION_ENTRY( wglGetExtensionsStringARB ),
/* WGL_ARB_pbuffer */
STW_EXTENSION_ENTRY( wglCreatePbufferARB ),
STW_EXTENSION_ENTRY( wglGetPbufferDCARB ),
STW_EXTENSION_ENTRY( wglReleasePbufferDCARB ),
STW_EXTENSION_ENTRY( wglDestroyPbufferARB ),
STW_EXTENSION_ENTRY( wglQueryPbufferARB ),
/* WGL_ARB_pixel_format */
STW_EXTENSION_ENTRY( wglChoosePixelFormatARB ),
STW_EXTENSION_ENTRY( wglGetPixelFormatAttribfvARB ),
STW_EXTENSION_ENTRY( wglGetPixelFormatAttribivARB ),
/* WGL_EXT_extensions_string */
STW_EXTENSION_ENTRY( wglGetExtensionsStringEXT ),
/* WGL_EXT_swap_interval */
STW_EXTENSION_ENTRY( wglGetSwapIntervalEXT ),
STW_EXTENSION_ENTRY( wglSwapIntervalEXT ),
/* WGL_ARB_create_context */
STW_EXTENSION_ENTRY( wglCreateContextAttribsARB ),
/* WGL_ARB_render_texture */
STW_EXTENSION_ENTRY( wglBindTexImageARB ),
STW_EXTENSION_ENTRY( wglReleaseTexImageARB ),
STW_EXTENSION_ENTRY( wglSetPbufferAttribARB ),
{ NULL, NULL }
};
PROC APIENTRY
DrvGetProcAddress(
LPCSTR lpszProc )
{
const struct stw_extension_entry *entry;
PROC p;
if (!stw_dev)
return NULL;
if (lpszProc[0] == 'w' && lpszProc[1] == 'g' && lpszProc[2] == 'l')
for (entry = stw_extension_entries; entry->name; entry++)
if (strcmp( lpszProc, entry->name ) == 0)
return entry->proc;
if (lpszProc[0] == 'g' && lpszProc[1] == 'l') {
p = (PROC) _glapi_get_proc_address(lpszProc);
if (p)
return p;
}
/* If we get here, we'd normally just return NULL, but since some apps
* (like Viewperf12) crash when they try to use the null pointer, try
* returning a pointer to a no-op function instead.
*/
p = stw_get_nop_function(lpszProc);
if (p) {
debug_printf("wglGetProcAddress(\"%s\") returning no-op function\n",
lpszProc);
return p;
}
debug_printf("wglGetProcAddress(\"%s\") returning NULL\n", lpszProc);
return NULL;
}
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