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_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_BAD_REQUEST;
  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->func_pp = func_pp;
 128     private_pp->private_display = private_display;
 129     private_pp->pp_backend = pp_backend;
 130
 131     if (error)
 132         *error = TDM_ERROR_NONE;
 133
 134     return private_pp;
 135 }
 136
 137 INTERN void
 138 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 139 {
 140     tdm_func_pp *func_pp;
 141
 142     if (!private_pp)
 143         return;
 144
 145     func_pp = private_pp->func_pp;
 146
 147     LIST_DEL(&private_pp->link);
 148
 149     func_pp->pp_destroy(private_pp->pp_backend);
 150
 151     free(private_pp);
 152 }
 153
 154 EXTERN void
 155 tdm_pp_destroy(tdm_pp *pp)
 156 {
 157     tdm_private_pp *private_pp = pp;
 158     tdm_private_display *private_display;
 159
 160     if (!private_pp)
 161         return;
 162
 163     private_display = private_pp->private_display;
 164
 165     pthread_mutex_lock(&private_display->lock);
 166     tdm_pp_destroy_internal(private_pp);
 167     pthread_mutex_unlock(&private_display->lock);
 168 }
 169
 170 EXTERN tdm_error
 171 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 172 {
 173     PP_FUNC_ENTRY();
 174
 175     TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 176
 177     pthread_mutex_lock(&private_display->lock);
 178
 179     if (!func_pp->pp_set_info)
 180     {
 181         pthread_mutex_unlock(&private_display->lock);
 182         return TDM_ERROR_NONE;
 183     }
 184
 185     ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 186
 187     pthread_mutex_unlock(&private_display->lock);
 188
 189     return ret;
 190 }
 191
 192 EXTERN tdm_error
 193 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 194 {
 195     PP_FUNC_ENTRY();
 196
 197     TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 198     TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 199
 200     pthread_mutex_lock(&private_display->lock);
 201
 202     if (!func_pp->pp_attach)
 203     {
 204         pthread_mutex_unlock(&private_display->lock);
 205         return TDM_ERROR_NONE;
 206     }
 207
 208     tdm_buffer_ref_backend(src);
 209     tdm_buffer_ref_backend(dst);
 210     ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 211
 212     pthread_mutex_unlock(&private_display->lock);
 213
 214     return ret;
 215 }
 216
 217 EXTERN tdm_error
 218 tdm_pp_commit(tdm_pp *pp)
 219 {
 220     PP_FUNC_ENTRY();
 221
 222     pthread_mutex_lock(&private_display->lock);
 223
 224     if (!func_pp->pp_commit)
 225     {
 226         pthread_mutex_unlock(&private_display->lock);
 227         return TDM_ERROR_NONE;
 228     }
 229
 230     ret = func_pp->pp_commit(private_pp->pp_backend);
 231
 232     pthread_mutex_unlock(&private_display->lock);
 233
 234     return ret;
 235 }