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