derelict.opengl.glx source code

1 /*
2 
3 Boost Software License - Version 1.0 - August 17th, 2003
4 
5 Permission is hereby granted, free of charge, to any person or organization
6 obtaining a copy of the software and accompanying documentation covered by
7 this license (the "Software") to use, reproduce, display, distribute,
8 execute, and transmit the Software, and to prepare derivative works of the
9 Software, and to permit third-parties to whom the Software is furnished to
10 do so, all subject to the following:
11 
12 The copyright notices in the Software and this entire statement, including
13 the above license grant, this restriction and the following disclaimer,
14 must be included in all copies of the Software, in whole or in part, and
15 all derivative works of the Software, unless such copies or derivative
16 works are solely in the form of machine-executable object code generated by
17 a source language processor.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
22 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
23 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
24 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 DEALINGS IN THE SOFTWARE.
26 
27 */
28 module derelict.opengl.glx;
29 
30 version (freebsd)
31 {
32     version = GLX;
33 }
34 
35 else version (FreeBSD)
36 {
37     version = GLX;
38 }
39 
40 else version (linux)
41 {
42     version = GLX;
43 }
44 
45 version(GLX)
46 {
47 
48 private
49 {
50     import derelict.opengl.gltypes;
51     import derelict.util.compat;
52     import derelict.util.loader;
53     import derelict.util.xtypes;
54 }
55 
56 struct __GLXcontextRec {}
57 struct __GLXFBConfigRec {}
58 
59 alias uint GLXContentID;
60 alias uint GLXPixmap;
61 alias uint GLXDrawable;
62 alias uint GLXPbuffer;
63 alias uint GLXWindow;
64 alias uint GLXFBConfigID;
65 
66 alias __GLXcontextRec *GLXContext;      // __GLXcontextRec type is opaque
67 alias __GLXFBConfigRec *GLXFBConfig;    // __GLXFBConfigRec type is opaque
68 
69 /*
70  * GLX Events
71  */
72 
73 struct GLXPbufferClobberEvent
74 {
75     int         event_type;
76     int         draw_type;
77     uint        serial;
78     Bool        send_event;
79     Display*    display;
80     GLXDrawable drawable;
81     uint        buffer_mask;
82     uint        aux_buffer;
83     int         x, y;
84     int         width, height;
85     int         count;
86 }
87 
88 union GLXEvent
89 {
90     GLXPbufferClobberEvent glxpbufferclobber;
91     int pad[24];
92 }
93 
94 // Function pointer variables
95 
96 extern (C)
97 {
98     alias XVisualInfo* function(Display*,int,int*) da_glXChooseVisual;
99     alias void function(Display*,GLXContext,GLXContext,uint) da_glXCopyContext;
100     alias GLXContext function(Display*,XVisualInfo*,GLXContext,Bool) da_glXCreateContext;
101     alias GLXPixmap function(Display*,XVisualInfo*,Pixmap) da_glXCreateGLXPixmap;
102     alias void function(Display*,GLXContext) da_glXDestroyContext;
103     alias void function(Display*,GLXPixmap) da_glXDestroyGLXPixmap;
104     alias int  function(Display*,XVisualInfo*,int,int*) da_glXGetConfig;
105     alias GLXContext function() da_glXGetCurrentContext;
106     alias GLXDrawable function() da_glXGetCurrentDrawable;
107     alias Bool function(Display*,GLXContext) da_glXIsDirect;
108     alias Bool function(Display*,GLXDrawable,GLXContext) da_glXMakeCurrent;
109     alias Bool function(Display*,int*,int*) da_glXQueryExtension;
110     alias Bool function(Display*,int*,int*) da_glXQueryVersion;
111     alias void function(Display*,GLXDrawable) da_glXSwapBuffers;
112     alias void function(Font,int,int,int) da_glXUseXFont;
113     alias void function() da_glXWaitGL;
114     alias void function() da_glXWaitX;
115     alias char* function(Display*,int) da_glXGetClientString;
116     alias char* function(Display*,int,int) da_glXQueryServerString;
117     alias char* function(Display*,int) da_glXQueryExtensionsString;
118 
119     /* GLX 1.3 */
120 
121     alias GLXFBConfig* function(Display*,int,int*) da_glXGetFBConfigs;
122     alias GLXFBConfig* function(Display*,int,int*,int*) da_glXChooseFBConfig;
123     alias int  function(Display*,GLXFBConfig,int,int*) da_glXGetFBConfigAttrib;
124     alias XVisualInfo* function(Display*,GLXFBConfig) da_glXGetVisualFromFBConfig;
125     alias GLXWindow function(Display*,GLXFBConfig,Window,int*) da_glXCreateWindow;
126     alias void function(Display*,GLXWindow) da_glXDestroyWindow;
127     alias GLXPixmap function(Display*,GLXFBConfig,Pixmap,int*) da_glXCreatePixmap;
128     alias void function(Display*,GLXPixmap) da_glXDestroyPixmap;
129     alias GLXPbuffer function(Display*,GLXFBConfig,int*) da_glXCreatePbuffer;
130     alias void function(Display*,GLXPbuffer) da_glXDestroyPbuffer;
131     alias void function(Display*,GLXDrawable,int,uint*) da_glXQueryDrawable;
132     alias GLXContext function(Display*,GLXFBConfig,int,GLXContext,Bool) da_glXCreateNewContext;
133     alias Bool function(Display*,GLXDrawable,GLXDrawable,GLXContext) da_glXMakeContextCurrent;
134     alias GLXDrawable function() da_glXGetCurrentReadDrawable;
135     alias Display* function() da_glXGetCurrentDisplay;
136     alias int  function(Display*,GLXContext,int,int*) da_glXQueryContext;
137     alias void function(Display*,GLXDrawable,uint) da_glXSelectEvent;
138     alias void function(Display*,GLXDrawable,uint*) da_glXGetSelectedEvent;
139 
140     /* GLX 1.4+ */
141     alias void* function(CCPTR) da_glXGetProcAddress;
142 
143 
144 }
145 
146 /* GLX extensions -- legacy */
147 
148 /*
149 GLXContextID            function(const GLXContext)
150                             pfglXGetContextIDEXT;
151 GLXContext              function(Display*,GLXContextID)
152                             pfglXImportContextEXT;
153 void                    function(Display*,GLXContext)
154                             pfglXFreeContextEXT;
155 int                     function(Display*,GLXContext,int,int*)
156                             pfglXQueryContextInfoEXT;
157 Display*                function()
158                             pfglXGetCurrentDisplayEXT;
159 void function()         function(const GLubyte*)
160                             pfglXGetProcAddressARB;
161 */
162 
163 /+
164 
165 // All extensions are disabled in the current version
166 // until further testing is done and need is established.
167 
168 void*                   function(GLsizei,GLfloat,GLfloat,GLfloat)
169                             glXAllocateMemoryNV;
170 void                    function(GLvoid*)
171                             glXFreeMemoryNV;
172 void*                   function(GLsizei,GLfloat,GLfloat,GLfloat)
173                             PFNGLXALLOCATEMEMORYNVPROC;
174 void                    function(GLvoid*)
175                             PFNGLXFREEMEMORYNVPROC;
176 
177 /* Mesa specific? */
178 
179 // work in progress
180 
181 /* GLX_ARB specific? */
182 
183 Bool                    function(Display*, GLXPbuffer,int)
184                             glXBindTexImageARB;
185 Bool                    function(Display*, GLXPbuffer,int)
186                             glXReleaseTexImageARB;
187 Bool                    function(Display*,GLXDrawable,int*)
188                             glXDrawableAttribARB;
189 
190 +/
191 
192 
193 mixin(gsharedString!() ~
194 "
195 da_glXChooseVisual glXChooseVisual;
196 da_glXCopyContext glXCopyContext;
197 da_glXCreateContext glXCreateContext;
198 da_glXCreateGLXPixmap glXCreateGLXPixmap;
199 da_glXDestroyContext glXDestroyContext;
200 da_glXDestroyGLXPixmap glXDestroyGLXPixmap;
201 da_glXGetConfig glXGetConfig;
202 da_glXGetCurrentContext glXGetCurrentContext;
203 da_glXGetCurrentDrawable glXGetCurrentDrawable;
204 da_glXIsDirect glXIsDirect;
205 da_glXMakeCurrent glXMakeCurrent;
206 da_glXQueryExtension glXQueryExtension;
207 da_glXQueryVersion glXQueryVersion;
208 da_glXSwapBuffers glXSwapBuffers;
209 da_glXUseXFont glXUseXFont;
210 da_glXWaitGL glXWaitGL;
211 da_glXWaitX glXWaitX;
212 da_glXGetClientString glXGetClientString;
213 da_glXQueryServerString glXQueryServerString;
214 da_glXQueryExtensionsString glXQueryExtensionsString;
215 
216 /* GLX 1.3 */
217 
218 da_glXGetFBConfigs glXGetFBConfigs;
219 da_glXChooseFBConfig glXChooseFBConfig;
220 da_glXGetFBConfigAttrib glXGetFBConfigAttrib;
221 da_glXGetVisualFromFBConfig glXGetVisualFromFBConfig;
222 da_glXCreateWindow glXCreateWindow;
223 da_glXDestroyWindow glXDestroyWindow;
224 da_glXCreatePixmap glXCreatePixmap;
225 da_glXDestroyPixmap glXDestroyPixmap;
226 da_glXCreatePbuffer glXCreatePbuffer;
227 da_glXDestroyPbuffer glXDestroyPbuffer;
228 da_glXQueryDrawable glXQueryDrawable;
229 da_glXCreateNewContext glXCreateNewContext;
230 da_glXMakeContextCurrent glXMakeContextCurrent;
231 da_glXGetCurrentReadDrawable glXGetCurrentReadDrawable;
232 da_glXGetCurrentDisplay glXGetCurrentDisplay;
233 da_glXQueryContext glXQueryContext;
234 da_glXSelectEvent glXSelectEvent;
235 da_glXGetSelectedEvent glXGetSelectedEvent;
236 
237 /* GLX 1.4+ */
238 da_glXGetProcAddress glXGetProcAddress;
239 
240 ");
241 
242 package
243 {
244     void loadPlatformGL(void delegate(void**, string, bool doThrow = true) bindFunc)
245     {
246         bindFunc(cast(void**)&glXChooseVisual, "glXChooseVisual", false);
247         bindFunc(cast(void**)&glXCopyContext, "glXCopyContext", false);
248         bindFunc(cast(void**)&glXCreateContext, "glXCreateContext", false);
249         bindFunc(cast(void**)&glXCreateGLXPixmap, "glXCreateGLXPixmap", false);
250         bindFunc(cast(void**)&glXDestroyContext, "glXDestroyContext", false);
251         bindFunc(cast(void**)&glXDestroyGLXPixmap, "glXDestroyGLXPixmap", false);
252         bindFunc(cast(void**)&glXGetConfig, "glXGetConfig", false);
253         bindFunc(cast(void**)&glXGetCurrentContext, "glXGetCurrentContext", false);
254         bindFunc(cast(void**)&glXGetCurrentDrawable, "glXGetCurrentDrawable", false);
255         bindFunc(cast(void**)&glXIsDirect, "glXIsDirect", false);
256         bindFunc(cast(void**)&glXMakeCurrent, "glXMakeCurrent", false);
257         bindFunc(cast(void**)&glXQueryExtension, "glXQueryExtension", false);
258         bindFunc(cast(void**)&glXQueryVersion, "glXQueryVersion", false);
259         bindFunc(cast(void**)&glXSwapBuffers, "glXSwapBuffers", false);
260         bindFunc(cast(void**)&glXUseXFont, "glXUseXFont", false);
261         bindFunc(cast(void**)&glXWaitGL, "glXWaitGL", false);
262         bindFunc(cast(void**)&glXWaitX, "glXWaitX", false);
263         bindFunc(cast(void**)&glXGetClientString, "glXGetClientString", false);
264         bindFunc(cast(void**)&glXQueryServerString, "glXQueryServerString", false);
265         bindFunc(cast(void**)&glXQueryExtensionsString, "glXQueryExtensionsString", false);
266 
267         bindFunc(cast(void**)&glXGetFBConfigs, "glXGetFBConfigs", false);
268         bindFunc(cast(void**)&glXChooseFBConfig, "glXChooseFBConfig", false);
269         bindFunc(cast(void**)&glXGetFBConfigAttrib, "glXGetFBConfigAttrib", false);
270         bindFunc(cast(void**)&glXGetVisualFromFBConfig, "glXGetVisualFromFBConfig", false);
271         bindFunc(cast(void**)&glXCreateWindow, "glXCreateWindow", false);
272         bindFunc(cast(void**)&glXDestroyWindow, "glXDestroyWindow", false);
273         bindFunc(cast(void**)&glXCreatePixmap, "glXCreatePixmap", false);
274         bindFunc(cast(void**)&glXDestroyPixmap, "glXDestroyPixmap", false);
275         bindFunc(cast(void**)&glXCreatePbuffer, "glXCreatePbuffer", false);
276         bindFunc(cast(void**)&glXDestroyPbuffer, "glXDestroyPbuffer", false);
277         bindFunc(cast(void**)&glXQueryDrawable, "glXQueryDrawable", false);
278         bindFunc(cast(void**)&glXCreateNewContext, "glXCreateNewContext", false);
279         bindFunc(cast(void**)&glXMakeContextCurrent, "glXMakeContextCurrent", false);
280         bindFunc(cast(void**)&glXGetCurrentReadDrawable, "glXGetCurrentReadDrawable", false);
281         bindFunc(cast(void**)&glXGetCurrentDisplay, "glXGetCurrentDisplay", false);
282         bindFunc(cast(void**)&glXQueryContext, "glXQueryContext", false);
283         bindFunc(cast(void**)&glXSelectEvent, "glXSelectEvent", false);
284         bindFunc(cast(void**)&glXGetSelectedEvent, "glXGetSelectedEvent", false);
285 
286         bindFunc(cast(void**)&glXGetProcAddress, "glXGetProcAddressARB", false);
287     }
288 
289     void* loadGLSymbol(string symName)
290     {
291         return glXGetProcAddress(toCString(symName));
292     }
293 }
294 
295 }   // version(linux)