src/waffle/gbm/wgbm_platform.h

   1 // SPDX-FileCopyrightText: Copyright 2012 Intel Corporation
   2 // SPDX-License-Identifier: BSD-2-Clause
   3
   4 #pragma once
   5
   6 #include <stdbool.h>
   7 #include <stdlib.h>
   8 #include <gbm.h>
   9 #include <xf86drm.h>
  10
  11 #undef linux
  12
  13 #include "wegl_platform.h"
  14 #include "wcore_util.h"
  15
  16 #define GBM_FUNCTIONS(f) \
  17     f(struct gbm_device * , gbm_create_device                   ,  true, (int fd)) \
  18     f(int                 , gbm_device_get_fd                ,  true, (struct gbm_device *dev)) \
  19     f(void                , gbm_device_destroy               ,  true, (struct gbm_device *gbm)) \
  20     f(struct gbm_surface *, gbm_surface_create               ,  true, (struct gbm_device *gbm, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)) \
  21     f(void                , gbm_surface_destroy              ,  true, (struct gbm_surface *surface)) \
  22     f(struct gbm_bo *     , gbm_surface_lock_front_buffer    ,  true, (struct gbm_surface *surface)) \
  23     f(void                , gbm_surface_release_buffer       ,  true, (struct gbm_surface *surface, struct gbm_bo *bo)) \
  24     f(struct gbm_surface *, gbm_surface_create_with_modifiers, false, (struct gbm_device *gbm, uint32_t width, uint32_t height, uint32_t format, const uint64_t *modifiers, const unsigned int count))
  25
  26 struct wgbm_platform {
  27     struct wegl_platform wegl;
  28
  29     // GBM function pointers
  30     void *gbmHandle;
  31
  32 #define DECLARE(type, function, required, args) type (*function) args;
  33     GBM_FUNCTIONS(DECLARE)
  34 #undef DECLARE
  35
  36     struct {
  37         void *handle;
  38
  39         int (*GetDevices2)(uint32_t flags, drmDevicePtr devices[],
  40                            int max_devices);
  41
  42         void (*FreeDevices)(drmDevicePtr devices[], int count);
  43     } drm;
  44 };
  45
  46 DEFINE_CONTAINER_CAST_FUNC(wgbm_platform,
  47                            struct wgbm_platform,
  48                            struct wegl_platform,
  49                            wegl)
  50
  51 struct wcore_platform *
  52 wgbm_platform_create(void);