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_display->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_private_pp *private_pp = user_data;
  58     tdm_private_display *private_display = private_pp->private_display;
  59     int lock_after_cb_done = 0;
  60     int ret;
  61
  62     ret = pthread_mutex_trylock(&private_display->lock);
  63     if (ret == 0)
  64         pthread_mutex_unlock(&private_display->lock);
  65     else  if (ret == EBUSY)
  66     {
  67         pthread_mutex_unlock(&private_display->lock);
  68         lock_after_cb_done = 1;
  69     }
  70
  71     tdm_buffer_unref_backend(src);
  72     tdm_buffer_unref_backend(dst);
  73
  74     if (lock_after_cb_done)
  75         pthread_mutex_lock(&private_display->lock);
  76 }
  77
  78 INTERN tdm_private_pp*
  79 tdm_pp_create_internal(tdm_private_display *private_display, tdm_error *error)
  80 {
  81     tdm_func_display *func_display;
  82     tdm_func_pp *func_pp;
  83     tdm_private_pp *private_pp = NULL;
  84     tdm_pp *pp_backend = NULL;
  85     tdm_error ret = TDM_ERROR_NONE;
  86
  87     func_display = &private_display->func_display;
  88     func_pp = &private_display->func_pp;
  89
  90     if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
  91     {
  92         TDM_ERR("no pp capability");
  93         if (error)
  94             *error = TDM_ERROR_NO_CAPABILITY;
  95         return NULL;
  96     }
  97
  98     pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
  99     if (ret != TDM_ERROR_NONE)
 100     {
 101         if (error)
 102             *error = ret;
 103         return NULL;
 104     }
 105
 106     private_pp = calloc(1, sizeof(tdm_private_pp));
 107     if (!private_pp)
 108     {
 109         TDM_ERR("failed: alloc memory");
 110         func_pp->pp_destroy(pp_backend);
 111         if (error)
 112             *error = TDM_ERROR_OUT_OF_MEMORY;
 113         return NULL;
 114     }
 115
 116     ret = func_pp->pp_set_done_handler(pp_backend, _tdm_pp_cb_done, private_pp);
 117     if (ret != TDM_ERROR_NONE)
 118     {
 119         TDM_ERR("set pp_done_handler failed");
 120         func_pp->pp_destroy(pp_backend);
 121         if (error)
 122             *error = ret;
 123         return NULL;
 124     }
 125
 126     LIST_ADD(&private_pp->link, &private_display->pp_list);
 127     private_pp->private_display = private_display;
 128     private_pp->pp_backend = pp_backend;
 129
 130     if (error)
 131         *error = TDM_ERROR_NONE;
 132
 133     return private_pp;
 134 }
 135
 136 INTERN void
 137 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 138 {
 139     tdm_func_pp *func_pp;
 140
 141     if (!private_pp)
 142         return;
 143
 144     func_pp = &private_pp->private_display->func_pp;
 145
 146     LIST_DEL(&private_pp->link);
 147
 148     func_pp->pp_destroy(private_pp->pp_backend);
 149
 150     free(private_pp);
 151 }
 152
 153 EXTERN void
 154 tdm_pp_destroy(tdm_pp *pp)
 155 {
 156     tdm_private_pp *private_pp = pp;
 157     tdm_private_display *private_display;
 158
 159     if (!private_pp)
 160         return;
 161
 162     private_display = private_pp->private_display;
 163
 164     pthread_mutex_lock(&private_display->lock);
 165     tdm_pp_destroy_internal(private_pp);
 166     pthread_mutex_unlock(&private_display->lock);
 167 }
 168
 169 EXTERN tdm_error
 170 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 171 {
 172     PP_FUNC_ENTRY();
 173
 174     TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 175
 176     pthread_mutex_lock(&private_display->lock);
 177
 178     if (!func_pp->pp_set_info)
 179     {
 180         pthread_mutex_unlock(&private_display->lock);
 181         return TDM_ERROR_NONE;
 182     }
 183
 184     ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 185
 186     pthread_mutex_unlock(&private_display->lock);
 187
 188     return ret;
 189 }
 190
 191 EXTERN tdm_error
 192 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 193 {
 194     PP_FUNC_ENTRY();
 195
 196     TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 197     TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 198
 199     pthread_mutex_lock(&private_display->lock);
 200
 201     if (!func_pp->pp_attach)
 202     {
 203         pthread_mutex_unlock(&private_display->lock);
 204         return TDM_ERROR_NONE;
 205     }
 206
 207     tdm_buffer_ref_backend(src);
 208     tdm_buffer_ref_backend(dst);
 209     ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 210
 211     pthread_mutex_unlock(&private_display->lock);
 212
 213     return ret;
 214 }
 215
 216 EXTERN tdm_error
 217 tdm_pp_commit(tdm_pp *pp)
 218 {
 219     PP_FUNC_ENTRY();
 220
 221     pthread_mutex_lock(&private_display->lock);
 222
 223     if (!func_pp->pp_commit)
 224     {
 225         pthread_mutex_unlock(&private_display->lock);
 226         return TDM_ERROR_NONE;
 227     }
 228
 229     ret = func_pp->pp_commit(private_pp->pp_backend);
 230
 231     pthread_mutex_unlock(&private_display->lock);
 232
 233     return ret;
 234 }