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1 /* Copyright (c) 2009 The Khronos Group Inc. |
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2 * |
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3 * Permission is hereby granted, free of charge, to any person obtaining a |
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4 * copy of this software and/or associated documentation files (the |
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5 * "Materials"), to deal in the Materials without restriction, including |
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6 * without limitation the rights to use, copy, modify, merge, publish, |
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7 * distribute, sublicense, and/or sell copies of the Materials, and to |
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8 * permit persons to whom the Materials are furnished to do so, subject to |
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9 * the following conditions: |
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10 * |
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11 * The above copyright notice and this permission notice shall be included |
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12 * in all copies or substantial portions of the Materials. |
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13 * |
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14 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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17 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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18 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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19 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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20 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
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21 */ |
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22 /*! \ingroup wfc |
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23 * \file wfcdevice.c |
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24 * |
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25 * \brief SI Device handling |
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26 */ |
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27 |
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28 |
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29 #include <stdio.h> |
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30 #include <string.h> |
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31 #include <stdlib.h> |
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32 |
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33 #include "wfcdevice.h" |
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34 #include "wfcelement.h" |
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35 #include "wfccontext.h" |
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36 #include "wfcimageprovider.h" |
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37 |
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38 #include "owfarray.h" |
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39 #include "owfmemory.h" |
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40 #include "owfmutex.h" |
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41 #include "owfscreen.h" |
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42 #include "owftypes.h" |
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43 #include "owfobject.h" |
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44 #include "owfnativestream.h" |
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45 #include "owfnotifications.h" |
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46 #include "owfdebug.h" |
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47 |
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48 #ifdef __cplusplus |
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49 extern "C" { |
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50 #endif |
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51 |
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52 #define MAX_ATTRIBUTES 32 |
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53 |
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54 #define FAIL_IF(c,e) if (c) { LEAVE(0); return e; } |
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55 |
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56 #define FIRST_DEVICE_HANDLE 1000 |
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57 |
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58 PHYSICAL_DEVICE gPhyDevice; |
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59 |
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60 |
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61 /*-------------------------------------------------------------------------*//*! |
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62 * \internal |
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63 * |
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64 * Initialize devices with default parameters. |
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65 *//*-------------------------------------------------------------------------*/ |
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66 OWF_API_CALL void |
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67 WFC_Devices_Initialize() |
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68 { |
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69 static WFCboolean initialised=WFC_FALSE; |
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70 if (!initialised) |
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71 { |
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72 OWF_Array_Initialize(&(gPhyDevice.iDeviceInstanceArray)); |
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73 gPhyDevice.gDeviceHandleID = 0; |
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74 initialised=WFC_TRUE; |
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75 } |
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76 } |
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77 |
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78 /*--------------------------------------------------------------------------- |
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79 * |
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80 * |
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81 *----------------------------------------------------------------------------*/ |
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82 OWF_API_CALL WFCint |
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83 WFC_Devices_GetIds(WFCint* idList, |
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84 WFCint listCapacity, |
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85 const WFCint* filterList) |
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86 { |
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87 |
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88 /* We assume there is only one physical device and |
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89 * all screens are supported by this device */ |
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90 |
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91 WFCint screenNumber = OWF_RESERVED_BAD_SCREEN_NUMBER, |
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92 n = MAX_ATTRIBUTES, |
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93 i = 0; |
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94 WFCboolean hasFilter; |
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95 |
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96 hasFilter = (filterList && (*filterList != WFC_NONE)) ? |
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97 WFC_TRUE : |
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98 WFC_FALSE; |
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99 |
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100 /* handle filter list, if given */ |
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101 if (hasFilter) |
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102 { |
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103 /* scan filter list (up to 32 attributes) */ |
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104 while (n > 0 && WFC_NONE != filterList[0]) |
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105 { |
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106 switch (filterList[0]) |
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107 { |
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108 case WFC_DEVICE_FILTER_SCREEN_NUMBER: |
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109 if (screenNumber!=OWF_RESERVED_BAD_SCREEN_NUMBER && screenNumber!=filterList[1]) |
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110 { |
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111 /* invalid repeated filter on screen number */ |
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112 return 0; |
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113 } |
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114 screenNumber = filterList[1]; |
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115 if (!OWF_Screen_Valid(screenNumber)) |
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116 { |
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117 /* invalid screen number */ |
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118 return 0; |
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119 } |
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120 break; |
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121 |
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122 case WFC_NONE: |
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123 n = 0; |
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124 break; |
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125 |
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126 default: |
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127 /* EARLY EXIT - invalid attribute */ |
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128 return 0; |
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129 } |
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130 |
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131 /* Move pointer to next key-value pair */ |
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132 filterList += 2; |
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133 n--; |
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134 } |
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135 } |
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136 |
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137 /* Return number of available devices */ |
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138 if (NULL == idList && !hasFilter) { |
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139 return 1; |
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140 } |
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141 |
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142 for (i = 0, n = 0; i < 1 && listCapacity >= 0; i++) { |
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143 /* idList might be NULL when querying all devices w/ |
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144 * screen number in filter list */ |
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145 if (idList && n < listCapacity) |
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146 { |
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147 idList[n] = OWF_SUPPORTED_DEVICE_ID; |
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148 } |
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149 |
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150 n++; |
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151 } |
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152 |
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153 return n; |
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154 } |
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155 |
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156 |
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157 /*--------------------------------------------------------------------------- |
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158 * Create instance of a device whose ID |
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159 * matches deviceId |
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160 * |
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161 * \param deviceId ID of the device to create. Must be WFC_DEFAULT_DEVICE_ID |
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162 * or some other valid device ID (returned by Devices_GetIds) |
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163 * |
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164 * \return Handle to created device or WFC_INVALID_HANDLE |
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165 * |
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166 *----------------------------------------------------------------------------*/ |
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167 OWF_API_CALL WFCint |
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168 WFC_Device_Create(WFCint deviceId) |
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169 { |
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170 WFC_DEVICE *dev = NULL; |
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171 |
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172 ENTER(WFC_Device_Create); |
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173 |
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174 WFC_Devices_Initialize(); |
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175 |
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176 if (deviceId != WFC_DEFAULT_DEVICE_ID && deviceId != OWF_SUPPORTED_DEVICE_ID) |
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177 { |
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178 return WFC_INVALID_HANDLE; |
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179 } |
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180 |
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181 dev = DEVICE(xalloc(1,sizeof(WFC_DEVICE))); |
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182 if (dev == NULL) |
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183 { |
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184 return WFC_INVALID_HANDLE; |
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185 } |
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186 |
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187 dev->handle = FIRST_DEVICE_HANDLE + (gPhyDevice.gDeviceHandleID)++; |
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188 dev->deviceId = deviceId; |
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189 dev->latestUnreadError = WFC_ERROR_NONE; |
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190 dev->mutex = NULL; |
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191 OWF_Array_Initialize(&dev->contexts); |
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192 OWF_Array_Initialize(&dev->providers); |
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193 OWF_Array_Initialize(&dev->elements); |
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194 |
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195 if (!OWF_Array_AppendItem(&(gPhyDevice.iDeviceInstanceArray), dev)) |
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196 { |
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197 xfree(dev); |
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198 return WFC_INVALID_HANDLE; |
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199 } |
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200 |
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201 LEAVE(WFC_Device_Create); |
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202 |
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203 return dev->handle; |
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204 } |
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205 |
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206 /*--------------------------------------------------------------------------- |
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207 * Set error code for device. Obs! In case the previous |
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208 * error code hasn't been read from the device, this function |
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209 * does nothing; the new error is set only if "current" error |
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210 * is none. |
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211 * |
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212 * \param dev Device object |
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213 * \param code Error to set |
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214 * |
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215 *----------------------------------------------------------------------------*/ |
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216 OWF_API_CALL void OWF_APIENTRY |
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217 WFC_Device_SetError(WFCDevice dev, |
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218 WFCErrorCode code) |
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219 { |
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220 #ifdef DEBUG_LOG |
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221 static char* const errmsg[] = |
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222 { |
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223 "WFC_ERROR_NONE", |
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224 "WFC_ERROR_OUT_OF_MEMORY", |
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225 "WFC_ERROR_ILLEGAL_ARGUMENT", |
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226 "WFC_ERROR_UNSUPPORTED", |
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227 "WFC_ERROR_BAD_ATTRIBUTE", |
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228 "WFC_ERROR_IN_USE", |
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229 "WFC_ERROR_BUSY", |
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230 "WFC_ERROR_BAD_DEVICE", |
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231 "WFC_ERROR_BAD_HANDLE", |
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232 "WFC_ERROR_INCONSISTENCY", |
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233 }; |
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234 #endif |
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235 |
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236 WFC_DEVICE* device = WFC_Device_FindByHandle(dev); |
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237 if (WFC_INVALID_HANDLE == device) |
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238 { |
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239 /* Invalid device handle. Nothing we can do about it so return. */ |
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240 return; |
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241 } |
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242 |
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243 if (!device->mutex) |
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244 { |
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245 OWF_Mutex_Init(&device->mutex); |
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246 } |
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247 |
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248 OWF_Mutex_Lock(&device->mutex); |
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249 if (code == WFC_ERROR_IN_USE) |
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250 { |
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251 code=WFC_ERROR_IN_USE; |
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252 } |
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253 if (WFC_INVALID_HANDLE != device) { |
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254 if (WFC_ERROR_NONE == device->latestUnreadError && |
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255 code != device->latestUnreadError) |
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256 { |
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257 #ifdef DEBUG_LOG |
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258 char* const msg = errmsg[code > WFC_ERROR_NONE ? |
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259 code - WFC_ERROR_OUT_OF_MEMORY + 1 : 0]; |
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260 (void)msg; //always reference to avoid warning |
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261 #endif |
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262 |
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263 DPRINT(("setError(dev = %08x, err = %08x)", dev, code)); |
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264 DPRINT((" error set to = %04x (%s)", (OWFuint16) code, msg)); |
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265 |
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266 device->latestUnreadError = code; |
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267 } |
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268 } |
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269 |
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270 OWF_Mutex_Unlock(&device->mutex); |
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271 } |
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272 |
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273 /*--------------------------------------------------------------------------- |
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274 * Read and reset last error code from device. |
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275 * |
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276 * \param device Device object |
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277 * |
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278 * \return WFCErrorCode |
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279 *----------------------------------------------------------------------------*/ |
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280 OWF_API_CALL WFCErrorCode |
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281 WFC_Device_GetError(WFC_DEVICE* device) |
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282 { |
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283 WFCErrorCode err; |
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284 |
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285 OWF_ASSERT(device); |
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286 |
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287 err = device->latestUnreadError; |
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288 device->latestUnreadError = WFC_ERROR_NONE; |
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289 return err; |
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290 } |
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291 |
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292 /*--------------------------------------------------------------------------- |
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293 * Find device object by handle |
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294 * |
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295 * \param dev Device handle |
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296 * |
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297 * \return Matching device object or NULL |
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298 *----------------------------------------------------------------------------*/ |
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299 OWF_API_CALL WFC_DEVICE* |
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300 WFC_Device_FindByHandle(WFCDevice dev) |
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301 { |
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302 WFCint i = 0, length = 0; |
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303 WFC_DEVICE* pDevice = NULL; |
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304 |
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305 if (dev == WFC_INVALID_HANDLE) |
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306 { |
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307 return NULL; |
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308 } |
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309 |
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310 WFC_Devices_Initialize(); |
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311 |
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312 length = gPhyDevice.iDeviceInstanceArray.length; |
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313 for (i = 0; i < length; ++i) |
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314 { |
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315 pDevice = DEVICE(OWF_Array_GetItemAt(&(gPhyDevice.iDeviceInstanceArray), i)); |
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316 if (pDevice->handle == dev) |
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317 { |
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318 return pDevice; |
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319 } |
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320 } |
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321 return NULL; |
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322 } |
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323 |
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324 /*--------------------------------------------------------------------------- |
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325 * Get device attribute |
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326 * |
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327 * \param device Device |
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328 * \param attrib Attribute name |
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329 * \param value Pointer to where the value should be saved |
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330 * |
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331 * \return WFCErrorCode |
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332 *----------------------------------------------------------------------------*/ |
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333 OWF_API_CALL WFCErrorCode |
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334 WFC_Device_GetAttribi(WFC_DEVICE* device, |
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335 WFCDeviceAttrib attrib, |
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336 WFCint* value) |
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337 { |
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338 WFCErrorCode result = WFC_ERROR_NONE; |
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339 |
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340 OWF_ASSERT(device); |
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341 |
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342 switch (attrib) |
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343 { |
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344 case WFC_DEVICE_CLASS: |
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345 { |
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346 *value = WFC_DEVICE_CLASS_FULLY_CAPABLE; |
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347 break; |
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348 } |
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349 case WFC_DEVICE_ID: |
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350 { |
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351 *value = device->deviceId; |
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352 break; |
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353 } |
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354 default: |
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355 { |
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356 result = WFC_ERROR_BAD_ATTRIBUTE; |
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357 } |
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358 } |
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359 return result; |
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360 } |
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361 |
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362 /*[][][][] CONTEXTS [][][][][][][][][][][][][][][][][][][][][][][][][][][][]*/ |
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363 |
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364 /*--------------------------------------------------------------------------- |
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365 * Create context on device |
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366 * |
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367 * \param device Device |
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368 * \param stream Target stream for context |
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369 * \param type Context type |
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370 * |
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371 * \return New context |
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372 *----------------------------------------------------------------------------*/ |
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373 OWF_API_CALL WFC_CONTEXT* |
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374 WFC_Device_CreateContext(WFC_DEVICE* device, |
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375 OWFNativeStreamType stream, |
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376 WFCContextType type, |
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377 WFCint screenNum) |
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378 { |
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379 WFC_CONTEXT* context; |
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380 |
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381 ENTER(WFC_Device_CreateContext); |
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382 |
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383 OWF_ASSERT(device); |
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384 |
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385 context = WFC_Context_Create(device, stream, type, screenNum); |
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386 if (context) |
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387 { |
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388 if (!OWF_Array_AppendItem(&device->contexts, context)) |
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389 { |
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390 DESTROY(context); |
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391 } |
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392 } |
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393 LEAVE(WFC_Device_CreateContext); |
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394 |
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395 return context; |
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396 } |
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397 |
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398 /*--------------------------------------------------------------------------- |
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399 * Destroy context from device |
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400 *----------------------------------------------------------------------------*/ |
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401 OWF_API_CALL WFCErrorCode |
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402 WFC_Device_DestroyContext(WFC_DEVICE* device, |
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403 WFCContext context) |
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404 { |
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405 WFCint i; |
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406 WFCErrorCode result = WFC_ERROR_BAD_HANDLE; |
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407 ENTER(WFC_Device_DestroyContext); |
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408 |
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409 OWF_ASSERT(device); |
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410 |
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411 DPRINT(("WFC_Device_DestroyContext(context = %d)", context)); |
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412 |
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413 for (i = 0; i < device->contexts.length; i++) |
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414 { |
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415 WFC_CONTEXT* ctmp; |
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416 |
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417 ctmp = (WFC_CONTEXT*) OWF_Array_GetItemAt(&device->contexts, i); |
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418 if (ctmp->handle == context) |
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419 { |
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420 WFC_CONTEXT* context; |
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421 |
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422 context = CONTEXT(OWF_Array_RemoveItemAt(&device->contexts, i)); |
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423 DPRINT((" Shutting down context %d", context->handle)); |
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424 WFC_Context_Shutdown(context); |
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425 DESTROY(context); |
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426 result = WFC_ERROR_NONE; |
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427 break; |
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428 } |
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429 } |
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430 |
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431 DPRINT(("")); |
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432 |
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433 DPRINT(("-------------------------------------------------------")); |
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434 DPRINT(("Device statistics after context destruction:")); |
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435 DPRINT((" Contexts: %d", device->contexts.length)); |
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436 DPRINT((" Elements: %d", device->elements.length)); |
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437 DPRINT((" Image providers: %d", device->providers.length)); |
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438 DPRINT(("-------------------------------------------------------")); |
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439 LEAVE(WFC_Device_DestroyContext); |
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440 |
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441 return result; |
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442 } |
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443 |
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444 /*--------------------------------------------------------------------------- |
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445 * Destroy all device's contexts |
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446 * |
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447 * \param device Device object |
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448 *----------------------------------------------------------------------------*/ |
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449 OWF_API_CALL void |
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450 WFC_Device_DestroyContexts(WFC_DEVICE* device) |
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451 { |
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452 WFCint i; |
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453 |
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454 ENTER(WFC_Device_DestroyContexts); |
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455 |
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456 for (i = 0; i < device->contexts.length; i++) |
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457 { |
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458 WFC_CONTEXT* context; |
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459 |
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460 context = CONTEXT(OWF_Array_GetItemAt(&device->contexts, i)); |
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461 WFC_Context_Shutdown(context); |
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462 |
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463 DESTROY(context); |
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464 } |
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465 OWF_Array_Destroy(&device->contexts); |
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466 |
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467 LEAVE(WFC_Device_DestroyContexts); |
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468 } |
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469 |
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470 /*--------------------------------------------------------------------------- |
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471 * Find context context object by handle |
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472 * |
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473 * \param device Device |
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474 * \param context Context handle |
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475 * |
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476 * \return Corresponding context object or NULL |
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477 * if handle is invalid. |
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478 *----------------------------------------------------------------------------*/ |
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479 OWF_API_CALL WFC_CONTEXT* |
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480 WFC_Device_FindContext(WFC_DEVICE* device, |
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481 WFCContext context) |
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482 { |
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483 WFCint i; |
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484 WFC_CONTEXT* result = NULL; |
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485 |
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486 ENTER(WFC_Device_FindContext); |
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487 |
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488 FAIL_IF(NULL == device, NULL); |
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489 |
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490 for (i = 0; i < device->contexts.length; i++) |
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491 { |
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492 WFC_CONTEXT* ctmp; |
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493 |
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494 ctmp = CONTEXT(OWF_Array_GetItemAt(&device->contexts, i)); |
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495 if (ctmp->handle == context) |
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496 { |
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497 result = ctmp; |
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498 break; |
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499 } |
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500 } |
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501 LEAVE(WFC_Device_FindContext); |
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502 |
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503 return result; |
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504 } |
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505 /*[][][][] ELEMENTS [][][][][][][][][][][][][][][][][][][][][][][][][][][][]*/ |
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506 |
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507 /*--------------------------------------------------------------------------- |
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508 * Create new element |
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509 * |
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510 * \param device |
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511 * \param context |
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512 * |
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513 * \return New element or NULL |
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514 *----------------------------------------------------------------------------*/ |
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515 OWF_API_CALL WFC_ELEMENT* |
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516 WFC_Device_CreateElement(WFC_DEVICE* device, WFC_CONTEXT* context) |
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517 { |
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518 WFC_ELEMENT* element=NULL; |
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519 |
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520 ENTER(WFC_Device_CreateElement); |
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521 |
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522 FAIL_IF(NULL == device || NULL == context, NULL); |
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523 if (WFC_Context_IncreaseClientElementCount(context)>0) |
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524 { |
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525 element = WFC_Element_Create(context); |
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526 if (!element || !OWF_Array_AppendItem(&device->elements, element)) |
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527 { |
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528 DPRINT(("WFC_Device_CreateElement: couldn't create element")); |
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529 WFC_Context_DecreaseClientElementCount(context); |
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530 if (element) |
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531 { |
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532 WFC_Element_Destroy(element); |
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533 } |
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534 element = NULL; |
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535 } |
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536 else |
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537 { |
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538 /* #4585: statement moved to else block */ |
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539 DPRINT((" Created element; handle = %d", element->handle)); |
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540 } |
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541 } |
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542 LEAVE(WFC_Device_CreateElement); |
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543 |
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544 return element; |
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545 } |
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546 |
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547 /*--------------------------------------------------------------------------- |
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548 * Destroy element |
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549 * |
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550 * \param device |
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551 * \param element |
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552 *----------------------------------------------------------------------------*/ |
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553 OWF_API_CALL WFCErrorCode |
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554 WFC_Device_DestroyElement(WFC_DEVICE* device, |
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555 WFCElement element) |
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556 { |
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557 WFCint i; |
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558 WFCErrorCode result = WFC_ERROR_BAD_HANDLE; |
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559 |
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560 ENTER(WFC_Device_DestroyElement); |
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561 |
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562 FAIL_IF(NULL == device, WFC_ERROR_BAD_HANDLE); |
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563 DPRINT(("destroying element %d", element)); |
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564 |
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565 for (i = 0; i < device->elements.length; i++) |
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566 { |
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567 WFC_ELEMENT* object; |
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568 |
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569 object = ELEMENT(OWF_Array_GetItemAt(&device->elements, i)); |
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570 DPRINT((" element %d = %d", i, object->handle)); |
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571 if (object->handle == element) |
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572 { |
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573 WFC_Context_RemoveElement(CONTEXT(object->context), element); |
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574 |
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575 WFC_Context_DecreaseClientElementCount(object->context); |
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576 OWF_Array_RemoveItemAt(&device->elements, i); |
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577 WFC_Element_Destroy(object); |
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578 result = WFC_ERROR_NONE; |
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579 break; |
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580 } |
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581 } |
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582 LEAVE(WFC_Device_DestroyElement); |
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583 return result; |
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584 } |
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585 |
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586 /*--------------------------------------------------------------------------- |
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587 * Destroy all elements from device |
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588 * |
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589 * \param device Device |
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590 *----------------------------------------------------------------------------*/ |
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591 OWF_API_CALL void |
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592 WFC_Device_DestroyElements(WFC_DEVICE* device) |
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593 { |
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594 WFCint i; |
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595 |
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596 ENTER(WFC_Device_DestroyElements); |
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597 |
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598 OWF_ASSERT(device); |
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599 |
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600 for (i = 0; i < device->elements.length; i++) |
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601 { |
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602 WFC_ELEMENT* etemp; |
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603 |
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604 etemp = ELEMENT(OWF_Array_GetItemAt(&device->elements, i)); |
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605 WFC_Element_Destroy(etemp); |
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606 } |
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607 OWF_Array_Destroy(&device->elements); |
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608 |
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609 LEAVE(WFC_Device_DestroyElements); |
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610 } |
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611 |
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612 /*--------------------------------------------------------------------------- |
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613 * Find element by handle |
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614 * |
|
615 * \param device Device |
|
616 * \param el Element handle |
|
617 * |
|
618 * \return Element object |
|
619 *----------------------------------------------------------------------------*/ |
|
620 OWF_API_CALL WFC_ELEMENT* |
|
621 WFC_Device_FindElement(WFC_DEVICE* device, |
|
622 WFCElement el) |
|
623 { |
|
624 WFC_ELEMENT* result = WFC_INVALID_HANDLE; |
|
625 WFCint i; |
|
626 |
|
627 FAIL_IF(NULL == device, NULL); |
|
628 |
|
629 for (i = 0; i < device->elements.length; i++) |
|
630 { |
|
631 WFC_ELEMENT* element; |
|
632 element = ELEMENT(OWF_Array_GetItemAt(&device->elements, i)); |
|
633 |
|
634 if (element->handle == el) |
|
635 { |
|
636 result = element; |
|
637 break; |
|
638 } |
|
639 |
|
640 } |
|
641 return result; |
|
642 } |
|
643 |
|
644 /*--------------------------------------------------------------------------- |
|
645 * Set element integer vector attribute |
|
646 * |
|
647 * \param device Device |
|
648 * \param element Element handle |
|
649 * \param attrib Attribute name |
|
650 * \param count Attribute value vector length (1 for scalar attribute) |
|
651 * \param values Pointer to values |
|
652 * |
|
653 * \return WFCErrorCode: WFC_ERROR_BAD_ATTRIBUTE if attribute name is invalid; |
|
654 * WFC_ERROR_INVALID_ARGUMENT if values is NULL or if the count doesn't match |
|
655 * the attribute's size; WFC_ERROR_BAD_HANDLE if element handle is invalid. |
|
656 *----------------------------------------------------------------------------*/ |
|
657 OWF_API_CALL WFCErrorCode |
|
658 WFC_Device_SetElementAttribiv(WFC_DEVICE* device, |
|
659 WFCElement element, |
|
660 WFCElementAttrib attrib, |
|
661 WFCint count, |
|
662 const WFCint* values) |
|
663 { |
|
664 WFC_ELEMENT* object; |
|
665 |
|
666 OWF_ASSERT(device); |
|
667 |
|
668 object = WFC_Device_FindElement(device, element); |
|
669 FAIL_IF(NULL == object, WFC_ERROR_BAD_HANDLE); |
|
670 return WFC_Element_SetAttribiv(object, attrib, count, values); |
|
671 } |
|
672 |
|
673 /*--------------------------------------------------------------------------- |
|
674 * |
|
675 * |
|
676 *----------------------------------------------------------------------------*/ |
|
677 OWF_API_CALL WFCErrorCode |
|
678 WFC_Device_SetElementAttribfv(WFC_DEVICE* device, |
|
679 WFCElement element, |
|
680 WFCElementAttrib attrib, |
|
681 WFCint count, |
|
682 const WFCfloat* values) |
|
683 { |
|
684 WFC_ELEMENT* object; |
|
685 |
|
686 OWF_ASSERT(device); |
|
687 |
|
688 object = WFC_Device_FindElement(device, element); |
|
689 FAIL_IF(NULL == object, WFC_ERROR_BAD_HANDLE); |
|
690 return WFC_Element_SetAttribfv(object, attrib, count, values); |
|
691 } |
|
692 |
|
693 /*--------------------------------------------------------------------------- |
|
694 * |
|
695 * |
|
696 *----------------------------------------------------------------------------*/ |
|
697 OWF_API_CALL WFCErrorCode |
|
698 WFC_Device_GetElementAttribiv(WFC_DEVICE* device, |
|
699 WFCElement element, |
|
700 WFCElementAttrib attrib, |
|
701 WFCint count, |
|
702 WFCint* values) |
|
703 { |
|
704 WFC_ELEMENT* object; |
|
705 |
|
706 OWF_ASSERT(device); |
|
707 |
|
708 object = WFC_Device_FindElement(device, element); |
|
709 FAIL_IF(NULL == object, WFC_ERROR_BAD_HANDLE); |
|
710 return WFC_Element_GetAttribiv(object, attrib, count, values); |
|
711 } |
|
712 |
|
713 /*--------------------------------------------------------------------------- |
|
714 * |
|
715 * |
|
716 *----------------------------------------------------------------------------*/ |
|
717 OWF_API_CALL WFCErrorCode |
|
718 WFC_Device_GetElementAttribfv(WFC_DEVICE* device, |
|
719 WFCElement element, |
|
720 WFCElementAttrib attrib, |
|
721 WFCint count, |
|
722 WFCfloat* values) |
|
723 { |
|
724 WFC_ELEMENT* object; |
|
725 |
|
726 OWF_ASSERT(device); |
|
727 |
|
728 object = WFC_Device_FindElement(device, element); |
|
729 FAIL_IF(NULL == object, WFC_ERROR_BAD_HANDLE); |
|
730 return WFC_Element_GetAttribfv(object, attrib, count, values); |
|
731 } |
|
732 |
|
733 |
|
734 /*[][][][] IMAGE PROVIDERS [][][][][][][][][][][][][][][][][][][][][][][][][]*/ |
|
735 |
|
736 /*--------------------------------------------------------------------------- |
|
737 * |
|
738 *----------------------------------------------------------------------------*/ |
|
739 OWF_API_CALL void |
|
740 WFC_Device_EnableContentNotifications(WFC_DEVICE* device, |
|
741 WFC_CONTEXT* context, |
|
742 WFCboolean enable) |
|
743 { |
|
744 WFCint i; |
|
745 |
|
746 OWF_ASSERT(device); |
|
747 OWF_ASSERT(context); |
|
748 |
|
749 context = context; |
|
750 |
|
751 for (i = 0; i < device->providers.length; i++) |
|
752 { |
|
753 WFC_IMAGE_PROVIDER* prov; |
|
754 |
|
755 prov = IMAGE_PROVIDER(OWF_Array_GetItemAt(&device->providers, i)); |
|
756 |
|
757 owfNativeStreamEnableUpdateNotifications(prov->streamHandle, |
|
758 enable ? OWF_TRUE : OWF_FALSE); |
|
759 } |
|
760 } |
|
761 |
|
762 /*--------------------------------------------------------------------------- |
|
763 * |
|
764 *----------------------------------------------------------------------------*/ |
|
765 static WFC_IMAGE_PROVIDER* |
|
766 WFC_Device_CreateImageProvider(WFC_DEVICE* device, |
|
767 WFC_CONTEXT* context, |
|
768 OWFNativeStreamType stream, |
|
769 WFC_IMAGE_PROVIDER_TYPE type) |
|
770 { |
|
771 WFC_IMAGE_PROVIDER* provider; |
|
772 WFCint success; |
|
773 |
|
774 OWF_ASSERT(device); |
|
775 OWF_ASSERT(context); |
|
776 |
|
777 /* create/fetch stream-wrapper for native stream. */ |
|
778 |
|
779 /* create new image provider object associated to |
|
780 * native stream wrapper previously fetched */ |
|
781 provider = WFC_ImageProvider_Create(context, stream, type); |
|
782 if (!provider) |
|
783 { |
|
784 return NULL; |
|
785 } |
|
786 |
|
787 success = OWF_TRUE; |
|
788 if (OWF_Array_AppendItem(&device->providers, provider) != OWF_TRUE) |
|
789 { |
|
790 success = OWF_FALSE; |
|
791 } |
|
792 |
|
793 if (!success || !owfSymDeviceInitialise(provider)) |
|
794 { |
|
795 OWF_Array_RemoveItem(&device->providers, provider); |
|
796 success = OWF_FALSE; |
|
797 } |
|
798 if (!success) |
|
799 { |
|
800 DESTROY(provider); |
|
801 provider = NULL; |
|
802 } |
|
803 return provider; |
|
804 } |
|
805 |
|
806 /*--------------------------------------------------------------------------- |
|
807 * |
|
808 *----------------------------------------------------------------------------*/ |
|
809 static WFCErrorCode |
|
810 WFC_Device_DestroyImageProvider(WFC_DEVICE* device, |
|
811 WFCHandle handle) |
|
812 { |
|
813 WFCint i; |
|
814 WFCErrorCode result = WFC_ERROR_BAD_HANDLE; |
|
815 |
|
816 ENTER(WFC_Device_DestroyImageProvider); |
|
817 |
|
818 OWF_ASSERT(device); |
|
819 |
|
820 DPRINT((" number of providers = %d", device->providers.length)); |
|
821 |
|
822 for (i = 0; i < device->providers.length; i++) |
|
823 { |
|
824 WFC_IMAGE_PROVIDER* object; |
|
825 |
|
826 object = (WFC_IMAGE_PROVIDER*)OWF_Array_GetItemAt(&device->providers, i); |
|
827 if (object->handle == handle) |
|
828 { |
|
829 |
|
830 DPRINT((" Destroying image provider %d", handle)); |
|
831 |
|
832 owfSymDeviceDestroy(device, object, i); |
|
833 OWF_Array_RemoveItemAt(&device->providers, i); |
|
834 |
|
835 DESTROY(object); |
|
836 result = WFC_ERROR_NONE; |
|
837 break; |
|
838 } |
|
839 } |
|
840 |
|
841 /* |
|
842 * Image provider's source content observer should be removed here, |
|
843 * but on the other hand, it'll be removed when the image provider's |
|
844 * source stream gets destroyed. |
|
845 */ |
|
846 LEAVE(WFC_Device_DestroyImageProvider); |
|
847 return result; |
|
848 } |
|
849 |
|
850 /*--------------------------------------------------------------------------- |
|
851 * Destroy all image providers from device |
|
852 * |
|
853 * \param device Device |
|
854 *----------------------------------------------------------------------------*/ |
|
855 OWF_API_CALL void |
|
856 WFC_Device_DestroyImageProviders(WFC_DEVICE* device) |
|
857 { |
|
858 WFCint i; |
|
859 |
|
860 ENTER(WFC_Device_DestroyImageProviders); |
|
861 |
|
862 OWF_ASSERT(device); |
|
863 |
|
864 DPRINT(("number of providers = %d", device->providers.length)); |
|
865 |
|
866 for (i = 0; i < device->providers.length; i++) |
|
867 { |
|
868 WFC_IMAGE_PROVIDER* itemp; |
|
869 |
|
870 itemp = IMAGE_PROVIDER(OWF_Array_GetItemAt(&device->providers, i)); |
|
871 DESTROY(itemp); |
|
872 } |
|
873 OWF_Array_Destroy(&device->providers); |
|
874 |
|
875 LEAVE(WFC_Device_DestroyImageProviders); |
|
876 } |
|
877 |
|
878 /*--------------------------------------------------------------------------- |
|
879 * |
|
880 *----------------------------------------------------------------------------*/ |
|
881 OWF_API_CALL WFC_IMAGE_PROVIDER* |
|
882 WFC_Device_FindImageProvider(WFC_DEVICE* device, |
|
883 WFCHandle handle, |
|
884 WFC_IMAGE_PROVIDER_TYPE type) |
|
885 { |
|
886 WFCint i; |
|
887 WFC_IMAGE_PROVIDER* result = WFC_INVALID_HANDLE; |
|
888 |
|
889 ENTER(WFC_Device_FindImageProvider); |
|
890 |
|
891 OWF_ASSERT(device); |
|
892 DPRINT(("number of providers = %d", device->providers.length)); |
|
893 |
|
894 for (i = 0; i < device->providers.length; i++) |
|
895 { |
|
896 WFC_IMAGE_PROVIDER* object; |
|
897 |
|
898 object = IMAGE_PROVIDER(OWF_Array_GetItemAt(&device->providers, i)); |
|
899 if (object->handle == handle && object->type == type) |
|
900 { |
|
901 result = object; |
|
902 break; |
|
903 } |
|
904 } |
|
905 |
|
906 LEAVE(WFC_Device_FindImageProvider); |
|
907 |
|
908 return result; |
|
909 } |
|
910 |
|
911 /*--------------------------------------------------------------------------- |
|
912 * |
|
913 *----------------------------------------------------------------------------*/ |
|
914 OWF_API_CALL WFC_IMAGE_PROVIDER* |
|
915 WFC_Device_CreateSource(WFC_DEVICE* device, |
|
916 WFC_CONTEXT* context, |
|
917 WFCNativeStreamType stream) |
|
918 { |
|
919 OWF_ASSERT(device); |
|
920 OWF_ASSERT(context); |
|
921 return WFC_Device_CreateImageProvider(device, |
|
922 context, stream, WFC_IMAGE_SOURCE); |
|
923 } |
|
924 |
|
925 /*--------------------------------------------------------------------------- |
|
926 * |
|
927 *----------------------------------------------------------------------------*/ |
|
928 OWF_API_CALL WFC_IMAGE_PROVIDER* |
|
929 WFC_Device_CreateMask(WFC_DEVICE* device, |
|
930 WFC_CONTEXT* context, |
|
931 WFCNativeStreamType stream) |
|
932 { |
|
933 OWF_ASSERT(device); |
|
934 OWF_ASSERT(context); |
|
935 return WFC_Device_CreateImageProvider(device, |
|
936 context, stream, WFC_IMAGE_MASK); |
|
937 } |
|
938 |
|
939 /*--------------------------------------------------------------------------- |
|
940 * |
|
941 *----------------------------------------------------------------------------*/ |
|
942 OWF_API_CALL WFCErrorCode |
|
943 WFC_Device_DestroySource(WFC_DEVICE* device, WFCSource source) |
|
944 { |
|
945 OWF_ASSERT(device); |
|
946 return WFC_Device_DestroyImageProvider(device, source); |
|
947 } |
|
948 |
|
949 /*--------------------------------------------------------------------------- |
|
950 * |
|
951 *----------------------------------------------------------------------------*/ |
|
952 OWF_API_CALL WFCErrorCode |
|
953 WFC_Device_DestroyMask(WFC_DEVICE* device, WFCMask mask) |
|
954 { |
|
955 OWF_ASSERT(device); |
|
956 return WFC_Device_DestroyImageProvider(device, mask); |
|
957 } |
|
958 |
|
959 /*--------------------------------------------------------------------------- |
|
960 * |
|
961 *----------------------------------------------------------------------------*/ |
|
962 OWF_API_CALL WFC_IMAGE_PROVIDER* |
|
963 WFC_Device_FindSource(WFC_DEVICE* device, WFCSource source) |
|
964 { |
|
965 OWF_ASSERT(device); |
|
966 return WFC_Device_FindImageProvider(device, source, WFC_IMAGE_SOURCE); |
|
967 } |
|
968 |
|
969 /*--------------------------------------------------------------------------- |
|
970 * |
|
971 *----------------------------------------------------------------------------*/ |
|
972 OWF_API_CALL WFC_IMAGE_PROVIDER* |
|
973 WFC_Device_FindMask(WFC_DEVICE* device, WFCMask mask) |
|
974 { |
|
975 OWF_ASSERT(device); |
|
976 return WFC_Device_FindImageProvider(device, mask, WFC_IMAGE_MASK); |
|
977 } |
|
978 |
|
979 /*--------------------------------------------------------------------------- |
|
980 * Destroy device, or rather queue it for destruction. |
|
981 * |
|
982 * \param device Device |
|
983 *----------------------------------------------------------------------------*/ |
|
984 OWF_API_CALL void |
|
985 WFC_Device_Destroy(WFC_DEVICE* device) |
|
986 { |
|
987 ENTER(WFC_Device_Destroy); |
|
988 |
|
989 OWF_ASSERT(device); |
|
990 |
|
991 /* release resources */ |
|
992 WFC_Device_DestroyElements(device); |
|
993 WFC_Device_DestroyImageProviders(device); |
|
994 WFC_Device_DestroyContexts(device); |
|
995 |
|
996 OWF_Mutex_Destroy(&device->mutex); |
|
997 device->mutex = NULL; |
|
998 |
|
999 device->latestUnreadError = WFC_ERROR_NONE; |
|
1000 device->handle = WFC_INVALID_HANDLE; |
|
1001 |
|
1002 OWF_Array_RemoveItem(&(gPhyDevice.iDeviceInstanceArray), device); |
|
1003 xfree(device); |
|
1004 if (gPhyDevice.iDeviceInstanceArray.length == 0) |
|
1005 { |
|
1006 OWF_Array_Destroy(&(gPhyDevice.iDeviceInstanceArray)); |
|
1007 } |
|
1008 LEAVE(WFC_Device_Destroy); |
|
1009 } |
|
1010 |
|
1011 /*--------------------------------------------------------------------------- |
|
1012 * |
|
1013 *----------------------------------------------------------------------------*/ |
|
1014 OWF_API_CALL WFCboolean |
|
1015 WFC_Device_StreamIsTarget(WFC_DEVICE* device, |
|
1016 WFCNativeStreamType stream) |
|
1017 { |
|
1018 WFCint i; |
|
1019 WFCboolean result = WFC_FALSE; |
|
1020 |
|
1021 OWF_ASSERT(device); |
|
1022 |
|
1023 for (i = 0; i < device->contexts.length; i++) |
|
1024 { |
|
1025 WFC_CONTEXT* ctmp; |
|
1026 |
|
1027 ctmp = CONTEXT(OWF_Array_GetItemAt(&device->contexts, i)); |
|
1028 if (ctmp->stream == stream) |
|
1029 { |
|
1030 result = WFC_TRUE; |
|
1031 break; |
|
1032 } |
|
1033 } |
|
1034 return result; |
|
1035 } |
|
1036 |
|
1037 /*--------------------------------------------------------------------------- |
|
1038 * |
|
1039 *----------------------------------------------------------------------------*/ |
|
1040 OWF_API_CALL WFC_CONTEXT* |
|
1041 WFC_Device_FindContextByScreen(WFC_DEVICE* device, |
|
1042 WFCint screenNumber) |
|
1043 { |
|
1044 WFCint i; |
|
1045 WFC_CONTEXT* result = NULL; |
|
1046 |
|
1047 OWF_ASSERT(device); |
|
1048 |
|
1049 for (i = 0; i < device->contexts.length; i++) |
|
1050 { |
|
1051 WFC_CONTEXT* ctmp; |
|
1052 |
|
1053 ctmp = CONTEXT(OWF_Array_GetItemAt(&device->contexts, i)); |
|
1054 if (ctmp->screenNumber == screenNumber) |
|
1055 { |
|
1056 result = ctmp; |
|
1057 break; |
|
1058 } |
|
1059 } |
|
1060 return result; |
|
1061 |
|
1062 } |
|
1063 |
|
1064 /*--------------------------------------------------------------------------- |
|
1065 * Called from context's destructor to clean up any elements that |
|
1066 * weren't added to any scene at all i.e. they only reside in the |
|
1067 * device's element list. These elements must not stay alive after |
|
1068 * the context has been deleted. |
|
1069 *----------------------------------------------------------------------------*/ |
|
1070 OWF_API_CALL void |
|
1071 WFC_Device_DestroyContextElements(WFC_DEVICE* device, |
|
1072 WFC_CONTEXT* context) |
|
1073 { |
|
1074 WFCint i; |
|
1075 |
|
1076 DPRINT(("WFC_Device_DestroyContextElements(device=%d, context=%d", |
|
1077 device ? device->handle : 0, |
|
1078 context ? context->handle : 0)); |
|
1079 |
|
1080 if (!device || !context) |
|
1081 { |
|
1082 return; |
|
1083 } |
|
1084 |
|
1085 for (i = device->elements.length; i > 0; i--) |
|
1086 { |
|
1087 WFC_ELEMENT* element; |
|
1088 |
|
1089 element = ELEMENT(OWF_Array_GetItemAt(&device->elements, i-1)); |
|
1090 if (element->context == context) |
|
1091 { |
|
1092 DPRINT((" Destroying element %d (%p)", element->handle, element)); |
|
1093 |
|
1094 /* Improvement idea: This code is partially same as in |
|
1095 * WFC_Device_RemoveElement. Maybe the common part should |
|
1096 * be isolated into some DoRemoveElement function which then |
|
1097 * would be called from here and RemoveElement. |
|
1098 */ |
|
1099 WFC_Context_RemoveElement(CONTEXT(element->context), element->handle); |
|
1100 OWF_Array_RemoveItemAt(&device->elements, i-1); |
|
1101 WFC_Element_Destroy(element); |
|
1102 } |
|
1103 } |
|
1104 } |
|
1105 |
|
1106 /*--------------------------------------------------------------------------- |
|
1107 * |
|
1108 *----------------------------------------------------------------------------*/ |
|
1109 OWF_API_CALL void |
|
1110 WFC_Device_DestroyContextImageProviders(WFC_DEVICE* device, |
|
1111 WFC_CONTEXT* context) |
|
1112 { |
|
1113 WFCint i; |
|
1114 |
|
1115 DPRINT(("WFC_Device_DestroyContextImageProviders(device=%d, context=%d", |
|
1116 device ? device->handle : 0, |
|
1117 context ? context->handle : 0)); |
|
1118 |
|
1119 if (!device || !context) |
|
1120 { |
|
1121 return; |
|
1122 } |
|
1123 |
|
1124 for (i = device->providers.length; i > 0; i--) |
|
1125 { |
|
1126 WFC_IMAGE_PROVIDER* provider; |
|
1127 |
|
1128 provider = IMAGE_PROVIDER(OWF_Array_GetItemAt(&device->providers, i-1)); |
|
1129 if (provider->owner == context) |
|
1130 { |
|
1131 DPRINT((" Destroying image provider %d (%p)", |
|
1132 provider->handle, provider)); |
|
1133 |
|
1134 WFC_Device_DestroyImageProvider(device, provider->handle); |
|
1135 } |
|
1136 } |
|
1137 } |
|
1138 |
|
1139 #ifdef __cplusplus |
|
1140 } |
|
1141 #endif |