src/waffle/surfaceless_egl/sl_platform.c

   1 // SPDX-FileCopyrightText: Copyright 2012 Intel Corporation
   2 // SPDX-License-Identifier: BSD-2-Clause
   3
   4 #include <dlfcn.h>
   5 #include <stdlib.h>
   6
   7 #include "wcore_error.h"
   8
   9 #include "posix_platform.h"
  10
  11 #include "wegl_config.h"
  12 #include "wegl_context.h"
  13 #include "wegl_platform.h"
  14 #include "wegl_util.h"
  15
  16 #include "sl_config.h"
  17 #include "sl_display.h"
  18 #include "sl_platform.h"
  19 #include "sl_window.h"
  20
  21 static const struct wcore_platform_vtbl sl_platform_vtbl;
  22
  23 static bool
  24 sl_platform_destroy(struct wcore_platform *wc_self)
  25 {
  26     struct sl_platform *self = sl_platform(wegl_platform(wc_self));
  27     bool ok = wegl_platform_teardown(&self->wegl);
  28
  29     free(self);
  30     return ok;
  31 }
  32
  33 struct wcore_platform*
  34 sl_platform_create(void)
  35 {
  36     struct sl_platform *self = wcore_calloc(sizeof(*self));
  37     if (self == NULL)
  38         return NULL;
  39
  40     bool ok = wegl_platform_init(&self->wegl, EGL_PLATFORM_SURFACELESS_MESA);
  41     if (!ok)
  42         goto fail;
  43
  44     self->wegl.egl_surface_type_mask = EGL_PBUFFER_BIT;
  45
  46     self->wegl.wcore.vtbl = &sl_platform_vtbl;
  47     return &self->wegl.wcore;
  48
  49 fail:
  50     sl_platform_destroy(&self->wegl.wcore);
  51     return NULL;
  52 }
  53
  54 static union waffle_native_context *
  55 sl_context_get_native(struct wcore_context *wc_ctx)
  56 {
  57     struct sl_display *dpy = sl_display(wegl_display(wc_ctx->display));
  58     struct wegl_context *ctx = wegl_context(wc_ctx);
  59     union waffle_native_context *n_ctx;
  60
  61     WCORE_CREATE_NATIVE_UNION(n_ctx, surfaceless_egl);
  62     if (!n_ctx)
  63         return NULL;
  64
  65     sl_display_fill_native(dpy, &n_ctx->surfaceless_egl->display);
  66     n_ctx->surfaceless_egl->egl_context = ctx->egl;
  67
  68     return n_ctx;
  69 }
  70
  71 static const struct wcore_platform_vtbl sl_platform_vtbl = {
  72     .destroy = sl_platform_destroy,
  73
  74     .make_current = wegl_make_current,
  75     .get_proc_address = wegl_get_proc_address,
  76
  77     .dl_can_open = posix_platform_can_dlopen,
  78     .dl_sym = posix_platform_dlsym,
  79
  80     .display = {
  81         .connect = sl_display_connect,
  82         .destroy = sl_display_destroy,
  83         .supports_context_api = wegl_display_supports_context_api,
  84         .get_native = sl_display_get_native,
  85     },
  86
  87     .config = {
  88         .choose = wegl_config_choose,
  89         .destroy = wegl_config_destroy,
  90         .get_native = sl_config_get_native,
  91     },
  92
  93     .context = {
  94         .create = wegl_context_create,
  95         .destroy = wegl_context_destroy,
  96         .get_native = sl_context_get_native,
  97     },
  98
  99     .window = {
 100         .create = sl_window_create,
 101         .destroy = sl_window_destroy,
 102         .show = sl_window_show,
 103         .resize = sl_window_resize,
 104         .swap_buffers = wegl_surface_swap_buffers,
 105         .get_native = sl_window_get_native,
 106     },
 107 };