1 /*
2  * Copyright © 2011 Intel Corporation
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
21  * DEALINGS IN THE SOFTWARE.
22  */
23 extern "C" {
24 #include "glxclient.h"
25 };
26 
27 class fake_glx_screen : public glx_screen {
28 public:
fake_glx_screen(struct glx_display * glx_dpy,int num,const char * ext)29    fake_glx_screen(struct glx_display *glx_dpy, int num, const char *ext)
30    {
31       this->vtable = &fake_glx_screen::vt;
32       this->serverGLXexts = 0;
33       this->effectiveGLXexts = 0;
34       this->display = 0;
35       this->dpy = 0;
36       this->scr = num;
37       this->visuals = 0;
38       this->configs = 0;
39 
40       this->display = glx_dpy;
41       this->dpy = (glx_dpy != NULL) ? glx_dpy->dpy : NULL;
42 
43       this->serverGLXexts = new char[strlen(ext) + 1];
44       strcpy((char *) this->serverGLXexts, ext);
45    }
46 
~fake_glx_screen()47    ~fake_glx_screen()
48    {
49       delete [] this->serverGLXexts;
50    }
51 
52 private:
53    static struct glx_screen_vtable vt;
54 };
55 
56 class fake_glx_screen_direct : public fake_glx_screen {
57 public:
fake_glx_screen_direct(struct glx_display * glx_dpy,int num,const char * ext)58    fake_glx_screen_direct(struct glx_display *glx_dpy, int num,
59 			  const char *ext)
60       : fake_glx_screen(glx_dpy, num, ext)
61    {
62       this->vtable = &fake_glx_screen_direct::vt;
63    }
64 
65 private:
66    static struct glx_screen_vtable vt;
67 };
68 
69 class fake_glx_context : public glx_context {
70 public:
fake_glx_context(struct glx_screen * psc,struct glx_config * mode)71    fake_glx_context(struct glx_screen *psc, struct glx_config *mode)
72    {
73       contexts_allocated++;
74 
75       this->vtable = &fake_glx_context::vt;
76       this->majorOpcode = 123;
77       this->screen = psc->scr;
78       this->psc = psc;
79       this->config = mode;
80       this->isDirect = false;
81       this->currentContextTag = -1;
82 
83       this->client_state_private = (struct __GLXattributeRec *) 0xcafebabe;
84    }
85 
~fake_glx_context()86    ~fake_glx_context()
87    {
88       contexts_allocated--;
89    }
90 
create_attribs(struct glx_screen * psc,struct glx_config * mode,struct glx_context * shareList,unsigned num_attribs,const uint32_t * attribs,unsigned * error)91    static glx_context *create_attribs(struct glx_screen *psc,
92 				      struct glx_config *mode,
93 				      struct glx_context *shareList,
94 				      unsigned num_attribs,
95 				      const uint32_t *attribs,
96 				      unsigned *error)
97    {
98       (void) shareList;
99       (void) num_attribs;
100       (void) attribs;
101 
102       *error = 0;
103       return new fake_glx_context(psc, mode);
104    }
105 
106    /** Number of context that are allocated (and not freed). */
107    static int contexts_allocated;
108 
109 private:
110    static const struct glx_context_vtable vt;
111 
destroy(struct glx_context * gc)112    static void destroy(struct glx_context *gc)
113    {
114       delete gc;
115    }
116 };
117 
118 class fake_glx_context_direct : public fake_glx_context {
119 public:
fake_glx_context_direct(struct glx_screen * psc,struct glx_config * mode)120    fake_glx_context_direct(struct glx_screen *psc, struct glx_config *mode)
121       : fake_glx_context(psc, mode)
122    {
123       this->isDirect = True;
124    }
125 
create(struct glx_screen * psc,struct glx_config * mode,struct glx_context * shareList,int renderType)126    static glx_context *create(struct glx_screen *psc, struct glx_config *mode,
127 			      struct glx_context *shareList, int renderType)
128    {
129       (void) shareList;
130       (void) renderType;
131 
132       return new fake_glx_context_direct(psc, mode);
133    }
134 
create_attribs(struct glx_screen * psc,struct glx_config * mode,struct glx_context * shareList,unsigned num_attribs,const uint32_t * attribs,unsigned * error)135    static glx_context *create_attribs(struct glx_screen *psc,
136 				      struct glx_config *mode,
137 				      struct glx_context *shareList,
138 				      unsigned num_attribs,
139 				      const uint32_t *attribs,
140 				      unsigned *error)
141    {
142       (void) shareList;
143       (void) num_attribs;
144       (void) attribs;
145 
146       *error = 0;
147       return new fake_glx_context_direct(psc, mode);
148    }
149 };
150