src/waffle/gbm/wgbm_platform.h

   1 // Copyright 2012 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 #pragma once
  27
  28 #include <stdbool.h>
  29 #include <stdlib.h>
  30 #include <gbm.h>
  31
  32 #undef linux
  33
  34 #include "wegl_platform.h"
  35 #include "wcore_util.h"
  36
  37 #define GBM_FUNCTIONS(f) \
  38     f(struct gbm_device * , gbm_create_device            , (int fd)) \
  39     f(int                 , gbm_device_get_fd            , (struct gbm_device *dev)) \
  40     f(void                , gbm_device_destroy           , (struct gbm_device *gbm)) \
  41     f(struct gbm_surface *, gbm_surface_create           , (struct gbm_device *gbm, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)) \
  42     f(void                , gbm_surface_destroy          , (struct gbm_surface *surface)) \
  43     f(struct gbm_bo *     , gbm_surface_lock_front_buffer, (struct gbm_surface *surface)) \
  44     f(void                , gbm_surface_release_buffer   , (struct gbm_surface *surface, struct gbm_bo *bo))
  45
  46 struct linux_platform;
  47
  48 struct wgbm_platform {
  49     struct wegl_platform wegl;
  50     struct linux_platform *linux;
  51
  52     // GBM function pointers
  53     void *gbmHandle;
  54
  55 #define DECLARE(type, function, args) type (*function) args;
  56     GBM_FUNCTIONS(DECLARE)
  57 #undef DECLARE
  58 };
  59
  60 DEFINE_CONTAINER_CAST_FUNC(wgbm_platform,
  61                            struct wgbm_platform,
  62                            struct wegl_platform,
  63                            wegl)
  64
  65 bool
  66 wgbm_platform_init(struct wgbm_platform *self);
  67
  68 bool
  69 wgbm_platform_teardown(struct wgbm_platform *self);
  70
  71 struct wcore_platform*
  72 wgbm_platform_create(void);
  73
  74 bool
  75 wgbm_platform_destroy(struct wcore_platform *wc_self);
  76
  77 bool
  78 wgbm_dl_can_open(struct wcore_platform *wc_self,
  79                  int32_t waffle_dl);
  80
  81 void*
  82 wgbm_dl_sym(struct wcore_platform *wc_self,
  83             int32_t waffle_dl,
  84             const char *name);