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,
  56                 void *user_data)
  57 {
  58         tdm_private_pp *private_pp = user_data;
  59         tdm_private_display *private_display = private_pp->private_display;
  60         int lock_after_cb_done = 0;
  61         int ret;
  62
  63         ret = pthread_mutex_trylock(&private_display->lock);
  64         if (ret == 0)
  65                 pthread_mutex_unlock(&private_display->lock);
  66         else  if (ret == EBUSY) {
  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                 TDM_ERR("no pp capability");
  92                 if (error)
  93                         *error = TDM_ERROR_NO_CAPABILITY;
  94                 return NULL;
  95         }
  96
  97         pp_backend = func_display->display_create_pp(private_display->bdata, &ret);
  98         if (ret != TDM_ERROR_NONE) {
  99                 if (error)
 100                         *error = ret;
 101                 return NULL;
 102         }
 103
 104         private_pp = calloc(1, sizeof(tdm_private_pp));
 105         if (!private_pp) {
 106                 TDM_ERR("failed: alloc memory");
 107                 func_pp->pp_destroy(pp_backend);
 108                 if (error)
 109                         *error = TDM_ERROR_OUT_OF_MEMORY;
 110                 return NULL;
 111         }
 112
 113         ret = func_pp->pp_set_done_handler(pp_backend, _tdm_pp_cb_done, private_pp);
 114         if (ret != TDM_ERROR_NONE) {
 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->private_display = private_display;
 124         private_pp->pp_backend = pp_backend;
 125
 126         if (error)
 127                 *error = TDM_ERROR_NONE;
 128
 129         return private_pp;
 130 }
 131
 132 INTERN void
 133 tdm_pp_destroy_internal(tdm_private_pp *private_pp)
 134 {
 135         tdm_func_pp *func_pp;
 136
 137         if (!private_pp)
 138                 return;
 139
 140         func_pp = &private_pp->private_display->func_pp;
 141
 142         LIST_DEL(&private_pp->link);
 143
 144         func_pp->pp_destroy(private_pp->pp_backend);
 145
 146         free(private_pp);
 147 }
 148
 149 EXTERN void
 150 tdm_pp_destroy(tdm_pp *pp)
 151 {
 152         tdm_private_pp *private_pp = pp;
 153         tdm_private_display *private_display;
 154
 155         if (!private_pp)
 156                 return;
 157
 158         private_display = private_pp->private_display;
 159
 160         pthread_mutex_lock(&private_display->lock);
 161         tdm_pp_destroy_internal(private_pp);
 162         pthread_mutex_unlock(&private_display->lock);
 163 }
 164
 165 EXTERN tdm_error
 166 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info)
 167 {
 168         PP_FUNC_ENTRY();
 169
 170         TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
 171
 172         pthread_mutex_lock(&private_display->lock);
 173
 174         if (!func_pp->pp_set_info) {
 175                 pthread_mutex_unlock(&private_display->lock);
 176                 return TDM_ERROR_NONE;
 177         }
 178
 179         ret = func_pp->pp_set_info(private_pp->pp_backend, info);
 180
 181         pthread_mutex_unlock(&private_display->lock);
 182
 183         return ret;
 184 }
 185
 186 EXTERN tdm_error
 187 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst)
 188 {
 189         PP_FUNC_ENTRY();
 190
 191         TDM_RETURN_VAL_IF_FAIL(src != NULL, TDM_ERROR_INVALID_PARAMETER);
 192         TDM_RETURN_VAL_IF_FAIL(dst != NULL, TDM_ERROR_INVALID_PARAMETER);
 193
 194         pthread_mutex_lock(&private_display->lock);
 195
 196         if (!func_pp->pp_attach) {
 197                 pthread_mutex_unlock(&private_display->lock);
 198                 return TDM_ERROR_NONE;
 199         }
 200
 201         tdm_buffer_ref_backend(src);
 202         tdm_buffer_ref_backend(dst);
 203         ret = func_pp->pp_attach(private_pp->pp_backend, src, dst);
 204
 205         pthread_mutex_unlock(&private_display->lock);
 206
 207         return ret;
 208 }
 209
 210 EXTERN tdm_error
 211 tdm_pp_commit(tdm_pp *pp)
 212 {
 213         PP_FUNC_ENTRY();
 214
 215         pthread_mutex_lock(&private_display->lock);
 216
 217         if (!func_pp->pp_commit) {
 218                 pthread_mutex_unlock(&private_display->lock);
 219                 return TDM_ERROR_NONE;
 220         }
 221
 222         ret = func_pp->pp_commit(private_pp->pp_backend);
 223
 224         pthread_mutex_unlock(&private_display->lock);
 225
 226         return ret;
 227 }