src/waffle/nacl/nacl_display.c

   1 // Copyright 2014 Intel Corporation
   2 //
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without
   6 // modification, are permitted provided that the following conditions are met:
   7 //
   8 // - Redistributions of source code must retain the above copyright notice, this
   9 //   list of conditions and the following disclaimer.
  10 //
  11 // - Redistributions in binary form must reproduce the above copyright notice,
  12 //   this list of conditions and the following disclaimer in the documentation
  13 //   and/or other materials provided with the distribution.
  14 //
  15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  18 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  19 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  21 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  22 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  23 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 #include "wcore_error.h"
  27
  28 #include "nacl_display.h"
  29
  30 bool
  31 nacl_display_destroy(struct wcore_display *wc_self)
  32 {
  33     struct nacl_display *self = nacl_display(wc_self);
  34     bool ok = true;
  35
  36     if (!self)
  37         return ok;
  38
  39     ok &= wcore_display_teardown(&self->wcore);
  40
  41     free(self);
  42     return ok;
  43 }
  44
  45 struct wcore_display*
  46 nacl_display_connect(struct wcore_platform *wc_plat,
  47                      const char *name)
  48 {
  49     struct nacl_display *self;
  50     bool ok = true;
  51
  52     self = wcore_calloc(sizeof(*self));
  53     if (self == NULL)
  54         return NULL;
  55
  56     ok = wcore_display_init(&self->wcore, wc_plat);
  57     if (!ok)
  58         goto error;
  59
  60     return &self->wcore;
  61
  62 error:
  63     nacl_display_destroy(&self->wcore);
  64     return NULL;
  65 }
  66
  67 bool
  68 nacl_display_supports_context_api(struct wcore_display *wc_self,
  69                                   int32_t context_api)
  70 {
  71     switch (context_api) {
  72         case WAFFLE_CONTEXT_OPENGL_ES2:
  73             return true;
  74         case WAFFLE_CONTEXT_OPENGL:
  75         case WAFFLE_CONTEXT_OPENGL_ES1:
  76         case WAFFLE_CONTEXT_OPENGL_ES3:
  77             return false;
  78         default:
  79             assert(false);
  80             return false;
  81     }
  82 }