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      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:
     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 
     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:
     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:
     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 
     86    ~fake_glx_context()
     87    {
     88       contexts_allocated--;
     89    }
     90 
     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 
    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:
    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 
    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 
    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