src/tdm_pp.c

   1 /**************************************************************************
   2
   3 libtdm
   4
   5 Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6
   7 Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8          JinYoung Jeon <jy0.jeon@samsung.com>,
   9          Taeheon Kim <th908.kim@samsung.com>,
  10          YoungJun Cho <yj44.cho@samsung.com>,
  11          SooChan Lim <sc1.lim@samsung.com>,
  12          Boram Park <sc1.lim@samsung.com>
  13
  14 Permission is hereby granted, free of charge, to any person obtaining a
  15 copy of this software and associated documentation files (the
  16 "Software"), to deal in the Software without restriction, including
  17 without limitation the rights to use, copy, modify, merge, publish,
  18 distribute, sub license, and/or sell copies of the Software, and to
  19 permit persons to whom the Software is furnished to do so, subject to
  20 the following conditions:
  21
  22 The above copyright notice and this permission notice (including the
  23 next paragraph) shall be included in all copies or substantial portions
  24 of the Software.
  25
  26 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm.h"
  41 #include "tdm_backend.h"
  42 #include "tdm_private.h"
  43
  44 #define PP_FUNC_ENTRY() \
  45     tdm_func_pp *func_pp; \
  46     tdm_private_display *private_display; \
  47     tdm_private_pp *private_pp; \
  48     tdm_error ret = TDM_ERROR_NONE; \
  49     TDM_RETURN_VAL_IF_FAIL(pp != NULL, TDM_ERROR_INVALID_PARAMETER); \
  50     private_pp = (tdm_private_pp*)pp; \
  51     private_display = private_pp->private_display; \
  52     func_pp = private_pp->func_pp
  53
  54 static void
  55 _tdm_pp_cb_done(tdm_pp *pp_backend, tbm_surface_h src, tbm_surface_h dst, void *user_data)
  56 {
  57     tdm_buffer_unref_backend(tdm_buffer_get(src));
  58     tdm_buffer_unref_backend(tdm_buffer_get(dst));
  59 }
  60
  61 INTERN tdm_private_pp*
  62 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
  63 {
  64     tdm_func_display *func_display;
  65     tdm_func_pp *func_pp;
  66     tdm_private_pp *private_pp = NULL;
  67     tdm_pp *pp_backend = NULL;
  68     tdm_error ret = TDM_ERROR_NONE;
  69
  70     func_display = &private_display->func_display;
  71     func_pp = &private_display->func_pp;
  72
  73     if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
  74     {
  75         TDM_ERR("no pp capability");
  76         if (error)
  77             *error = TDM_ERROR_BAD_REQUEST;
  78         return NULL;
  79     }
  80
  81     pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
  82     if (ret != TDM_ERROR_NONE)
  83     {
  84         if (error)
  85             *error = ret;
  86         return NULL;
  87     }
  88
  89     private_pp = calloc(1, sizeof(tdm_private_pp));
  90     if (!private_pp)
  91     {
  92         TDM_ERR("failed: alloc memory");
  93         func_pp->pp_destroy(pp_backend);
  94         if (error)
  95             *error = TDM_ERROR_OUT_OF_MEMORY;
  96         return NULL;
  97     }
  98
  99     ret = func_pp->pp_set_done_handler(pp_backend, _tdm_pp_cb_done, private_pp);
 100     if (ret != TDM_ERROR_NONE)
 101     {
 102         TDM_ERR("set pp_done_handler failed");
 103         func_pp->pp_destroy(pp_backend);
 104         if (error)
 105             *error = ret;
 106         return NULL;
 107     }
 108
 109     LIST_ADD(&private_pp->link, &private_display->pp_list);
 110     private_pp->func_pp = func_pp;
 111     private_pp->private_display = private_display;
 112     private_pp->pp_backend = pp_backend;
 113
 114     if (error)
 115         *error = TDM_ERROR_NONE;
 116
 117     return private_pp;
 118 }
 119
 120 INTERN void
 121 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 122 {
 123     tdm_func_pp *func_pp;
 124
 125     if (!private_pp)
 126         return;
 127
 128     func_pp = private_pp->func_pp;
 129
 130     LIST_DEL(&private_pp->link);
 131
 132     func_pp->pp_destroy(private_pp->pp_backend);
 133
 134     free(private_pp);
 135 }
 136
 137 EXTERN void
 138 tdm_pp_destroy(tdm_pp *pp)
 139 {
 140     tdm_private_pp *private_pp = pp;
 141     tdm_private_display *private_display;
 142
 143     if (!private_pp)
 144         return;
 145
 146     private_display = private_pp->private_display;
 147
 148     pthread_mutex_lock(&private_display->lock);
 149     tdm_pp_destroy_internal(private_pp);
 150     pthread_mutex_unlock(&private_display->lock);
 151 }
 152
 153 EXTERN tdm_error
 154 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 155 {
 156     PP_FUNC_ENTRY();
 157
 158     TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 159
 160     pthread_mutex_lock(&private_display->lock);
 161
 162     if (!func_pp->pp_set_info)
 163     {
 164         pthread_mutex_unlock(&private_display->lock);
 165         return TDM_ERROR_NONE;
 166     }
 167
 168     ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 169
 170     pthread_mutex_unlock(&private_display->lock);
 171
 172     return ret;
 173 }
 174
 175 EXTERN tdm_error
 176 tdm_pp_attach(tdm_pp *pp, tdm_buffer *src, tdm_buffer *dst)
 177 {
 178     PP_FUNC_ENTRY();
 179
 180     TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 181     TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 182
 183     pthread_mutex_lock(&private_display->lock);
 184
 185     if (!func_pp->pp_attach)
 186     {
 187         pthread_mutex_unlock(&private_display->lock);
 188         return TDM_ERROR_NONE;
 189     }
 190
 191     tdm_buffer_ref_backend(src);
 192     tdm_buffer_ref_backend(dst);
 193     ret = func_pp->pp_attach(private_pp->pp_backend,
 194                              tdm_buffer_get_surface(src),
 195                              tdm_buffer_get_surface(dst));
 196
 197     pthread_mutex_unlock(&private_display->lock);
 198
 199     return ret;
 200 }
 201
 202 EXTERN tdm_error
 203 tdm_pp_commit(tdm_pp *pp)
 204 {
 205     PP_FUNC_ENTRY();
 206
 207     pthread_mutex_lock(&private_display->lock);
 208
 209     if (!func_pp->pp_commit)
 210     {
 211         pthread_mutex_unlock(&private_display->lock);
 212         return TDM_ERROR_NONE;
 213     }
 214
 215     ret = func_pp->pp_commit(private_pp->pp_backend);
 216
 217     pthread_mutex_unlock(&private_display->lock);
 218
 219     return ret;
 220 }