← Back to branch summary

~mmach/netext73/mesa-haswell

« back to all changes in this revision

Viewing changes to src/glx/windows/wgl.c

  • Committer: mmach
  • Date: 2022-09-22 19:56:13 UTC
  • Revision ID: netbit73@gmail.com-20220922195613-wtik9mmy20tmor0i
2022-09-22 21:17:09

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/glx/windows/wgl.c
1
 
/*
2
 
 * Copyright © 2014 Jon Turney
3
 
 *
4
 
 * Permission is hereby granted, free of charge, to any person obtaining a
5
 
 * copy of this software and associated documentation files (the "Software"),
6
 
 * to deal in the Software without restriction, including without limitation
7
 
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8
 
 * and/or sell copies of the Software, and to permit persons to whom the
9
 
 * Software is furnished to do so, subject to the following conditions:
10
 
 *
11
 
 * The above copyright notice and this permission notice (including the next
12
 
 * paragraph) shall be included in all copies or substantial portions of the
13
 
 * Software.
14
 
 *
15
 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16
 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17
 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18
 
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19
 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20
 
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21
 
 * IN THE SOFTWARE.
22
 
 */
23
 
 
24
 
/*
25
 
  Wrapper functions for calling WGL extension functions
26
 
 */
27
 
 
28
 
#include "wgl.h"
29
 
 
30
 
#include <stdio.h>
31
 
 
32
 
#define RESOLVE_DECL(type) \
33
 
    static type type##proc = NULL;
34
 
 
35
 
#define PRERESOLVE(type, symbol) \
36
 
    type##proc = (type)wglGetProcAddress(symbol); \
37
 
    if (type##proc == NULL) \
38
 
       printf("Can't resolve \"%s\"\n", symbol);
39
 
 
40
 
#define CHECK_RESOLVED(type, retval) \
41
 
  if (type##proc == NULL) { \
42
 
    return retval; \
43
 
  }
44
 
 
45
 
#define RESOLVED_PROC(type) type##proc
46
 
 
47
 
RESOLVE_DECL(PFNWGLGETEXTENSIONSSTRINGARBPROC);
48
 
RESOLVE_DECL(PFNWGLCREATECONTEXTATTRIBSARBPROC);
49
 
RESOLVE_DECL(PFNWGLMAKECONTEXTCURRENTARBPROC);
50
 
RESOLVE_DECL(PFNWGLCREATEPBUFFERARBPROC);
51
 
RESOLVE_DECL(PFNWGLGETPBUFFERDCARBPROC);
52
 
RESOLVE_DECL(PFNWGLRELEASEPBUFFERDCARBPROC);
53
 
RESOLVE_DECL(PFNWGLDESTROYPBUFFERARBPROC);
54
 
 
55
 
void wglResolveExtensionProcs(void)
56
 
{
57
 
  PRERESOLVE(PFNWGLGETEXTENSIONSSTRINGARBPROC, "wglGetExtensionsStringARB");
58
 
  PRERESOLVE(PFNWGLCREATECONTEXTATTRIBSARBPROC, "wglCreateContextAttribsARB");
59
 
  PRERESOLVE(PFNWGLMAKECONTEXTCURRENTARBPROC, "wglMakeContextCurrentARB");
60
 
  PRERESOLVE(PFNWGLCREATEPBUFFERARBPROC, "wglCreatePbufferARB");
61
 
  PRERESOLVE(PFNWGLGETPBUFFERDCARBPROC, "wglGetPbufferDCARB");
62
 
  PRERESOLVE(PFNWGLRELEASEPBUFFERDCARBPROC, "wglReleasePbufferDCARB");
63
 
  PRERESOLVE(PFNWGLDESTROYPBUFFERARBPROC, "wglDestroyPbufferARB");
64
 
}
65
 
 
66
 
const char *wglGetExtensionsStringARB(HDC hdc_)
67
 
{
68
 
   CHECK_RESOLVED(PFNWGLGETEXTENSIONSSTRINGARBPROC, "");
69
 
   return RESOLVED_PROC(PFNWGLGETEXTENSIONSSTRINGARBPROC)(hdc_);
70
 
}
71
 
 
72
 
HGLRC wglCreateContextAttribsARB(HDC hdc_, HGLRC hShareContext_,
73
 
                                     const int *attribList_)
74
 
{
75
 
   CHECK_RESOLVED(PFNWGLCREATECONTEXTATTRIBSARBPROC, NULL);
76
 
   return RESOLVED_PROC(PFNWGLCREATECONTEXTATTRIBSARBPROC)(hdc_, hShareContext_, attribList_);
77
 
}
78
 
 
79
 
BOOL wglMakeContextCurrentARB(HDC hDrawDC_, HDC hReadDC_, HGLRC hglrc_)
80
 
{
81
 
   CHECK_RESOLVED(PFNWGLMAKECONTEXTCURRENTARBPROC, FALSE);
82
 
   return RESOLVED_PROC(PFNWGLMAKECONTEXTCURRENTARBPROC)(hDrawDC_, hReadDC_, hglrc_);
83
 
}
84
 
 
85
 
HPBUFFERARB wglCreatePbufferARB(HDC hDC_, int iPixelFormat_, int iWidth_,
86
 
                                int iHeight_, const int *piAttribList_)
87
 
{
88
 
   CHECK_RESOLVED(PFNWGLCREATEPBUFFERARBPROC, NULL);
89
 
   return RESOLVED_PROC(PFNWGLCREATEPBUFFERARBPROC)(hDC_, iPixelFormat_, iWidth_, iHeight_, piAttribList_);
90
 
}
91
 
 
92
 
HDC wglGetPbufferDCARB(HPBUFFERARB hPbuffer_)
93
 
{
94
 
   CHECK_RESOLVED(PFNWGLGETPBUFFERDCARBPROC, NULL);
95
 
   return RESOLVED_PROC(PFNWGLGETPBUFFERDCARBPROC)(hPbuffer_);
96
 
}
97
 
 
98
 
int wglReleasePbufferDCARB(HPBUFFERARB hPbuffer_, HDC hDC_)
99
 
{
100
 
   CHECK_RESOLVED(PFNWGLRELEASEPBUFFERDCARBPROC, 0)
101
 
   return RESOLVED_PROC(PFNWGLRELEASEPBUFFERDCARBPROC)(hPbuffer_, hDC_);
102
 
}
103
 
 
104
 
BOOL wglDestroyPbufferARB(HPBUFFERARB hPbuffer_)
105
 
{
106
 
   CHECK_RESOLVED(PFNWGLDESTROYPBUFFERARBPROC, FALSE);
107
 
   return RESOLVED_PROC(PFNWGLDESTROYPBUFFERARBPROC)(hPbuffer_);
108
 
}