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3975
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 /*
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24 SDL_epocvideo.cpp
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25 Epoc based SDL video driver implementation
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26
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27 Markus Mertama
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28 */
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29
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30
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31
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32 #include "epoc_sdl.h"
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33
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34 #include <stdlib.h>
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35 #include <stdio.h>
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36 #include <string.h>
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37
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38 extern "C" {
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39 #include "SDL_error.h"
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40 #include "SDL_timer.h"
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41 #include "SDL_video.h"
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42 #undef NULL
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43 #include "SDL_pixels_c.h"
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44 #include "SDL.h"
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45 #include "SDL_mouse.h"
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46 }
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47
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48 #include "SDL_epocvideo.h"
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49 #include "SDL_epocevents_c.h"
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50
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51
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52
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53 #include <coedef.h>
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54 #include <flogger.h>
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55
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56 #include <eikenv.h>
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57 #include <eikappui.h>
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58 #include <eikapp.h>
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59 #include "sdlepocapi.h"
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60
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61
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62 ////////////////////////////////////////////////////////////////
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63
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64
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65
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66
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67 _LIT(KLibName, "SDL");
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68
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69 void RDebug_Print_b(char* error_str, void* param)
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70 {
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71 TBuf8<128> error8((TUint8*)error_str);
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72 TBuf<128> error;
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73 error.Copy(error8);
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74
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75 #ifndef TRACE_TO_FILE
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76 if (param) //!! Do not work if the parameter is really 0!!
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77 RDebug::Print(error, param);
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78 else
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79 RDebug::Print(error);
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80 #else
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81 if (param) //!! Do not work if the parameter is really 0!!
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82 RFileLogger::WriteFormat(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error, param);
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83 else
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84 RFileLogger::Write(KLibName, _L("SDL.txt"), EFileLoggingModeAppend, error);
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85 #endif
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86
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87 }
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88
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89 extern "C" void RDebug_Print(char* error_str, void* param)
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90 {
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91 RDebug_Print_b(error_str, param);
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92 }
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93
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94 /*
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95 int Debug_AvailMem2()
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96 {
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97 //User::CompressAllHeaps();
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98 TMemoryInfoV1Buf membuf;
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99 User::LeaveIfError(UserHal::MemoryInfo(membuf));
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100 TMemoryInfoV1 minfo = membuf();
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101 return(minfo.iFreeRamInBytes);
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102 }
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103
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104 extern "C" int Debug_AvailMem()
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105 {
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106 return(Debug_AvailMem2());
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107 }
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108
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109 */
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110
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111 extern "C" {
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112
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113 /* Initialization/Query functions */
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114
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115 static int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat);
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116 static SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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117 static SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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118 static int EPOC_SetColors(_THIS, int firstcolor, int ncolors,
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119 SDL_Color *colors);
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120 static void EPOC_VideoQuit(_THIS);
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121
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122 /* Hardware surface functions */
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123
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124 static int EPOC_AllocHWSurface(_THIS, SDL_Surface *surface);
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125 static int EPOC_LockHWSurface(_THIS, SDL_Surface *surface);
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126 static int EPOC_FlipHWSurface(_THIS, SDL_Surface *surface);
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127 static void EPOC_UnlockHWSurface(_THIS, SDL_Surface *surface);
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128 static void EPOC_FreeHWSurface(_THIS, SDL_Surface *surface);
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129 static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
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130
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131 static int EPOC_Available(void);
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132 static SDL_VideoDevice *EPOC_CreateDevice(int devindex);
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133
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134 void DrawBackground(_THIS);
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135 void DirectDraw(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);
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136 void DirectDrawRotated(_THIS, int numrects, SDL_Rect *rects, TUint16* screenBuffer);
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137
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138 /* Mouse functions */
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139
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140 static WMcursor *EPOC_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);
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141 static void EPOC_FreeWMCursor(_THIS, WMcursor *cursor);
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142 static int EPOC_ShowWMCursor(_THIS, WMcursor *cursor);
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143 }
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144
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145
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146 extern "C"
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147 {
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148 struct WMcursor
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149 {
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150 };
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151 }
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152
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153 /* Epoc video driver bootstrap functions */
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154
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155
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156 static int EPOC_Available(void)
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157 {
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158 return 1; /* Always available */
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159 }
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160
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161 static void EPOC_DeleteDevice(SDL_VideoDevice *device)
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162 {
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163 User::Free(device->hidden);
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164 User::Free(device);
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165 }
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166
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167 static SDL_VideoDevice *EPOC_CreateDevice(int /*devindex*/)
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168 {
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169 SDL_VideoDevice *device;
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170
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171 SDL_TRACE("SDL:EPOC_CreateDevice");
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172
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173 /* Allocate all variables that we free on delete */
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174 device = static_cast<SDL_VideoDevice*>(User::Alloc(sizeof(SDL_VideoDevice)));
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175 if ( device )
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176 {
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177 Mem::FillZ(device, (sizeof *device));
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178 device->hidden = static_cast<struct SDL_PrivateVideoData*>
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179 (User::Alloc((sizeof *device->hidden)));
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180 }
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181 if ( (device == NULL) || (device->hidden == NULL) )
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182 {
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183 SDL_OutOfMemory();
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184 if ( device ) {
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185 User::Free(device);
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186 }
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187 return(0);
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188 }
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189 Mem::FillZ(device->hidden, (sizeof *device->hidden));
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190
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191 /* Set the function pointers */
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192 device->VideoInit = EPOC_VideoInit;
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193 device->ListModes = EPOC_ListModes;
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194 device->SetVideoMode = EPOC_SetVideoMode;
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195 device->SetColors = EPOC_SetColors;
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196 device->UpdateRects = NULL;
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197 device->VideoQuit = EPOC_VideoQuit;
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198 device->AllocHWSurface = EPOC_AllocHWSurface;
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199 device->CheckHWBlit = NULL;
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200 device->FillHWRect = NULL;
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201 device->SetHWColorKey = NULL;
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202 device->SetHWAlpha = NULL;
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203 device->LockHWSurface = EPOC_LockHWSurface;
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204 device->UnlockHWSurface = EPOC_UnlockHWSurface;
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205 device->FlipHWSurface = EPOC_FlipHWSurface;
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206 device->FreeHWSurface = EPOC_FreeHWSurface;
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207 device->SetIcon = NULL;
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208 device->SetCaption = NULL;
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209 device->GetWMInfo = NULL;
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210 device->FreeWMCursor = EPOC_FreeWMCursor;
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211 device->CreateWMCursor = EPOC_CreateWMCursor;
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212 device->ShowWMCursor = EPOC_ShowWMCursor;
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213 device->WarpWMCursor = NULL;
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214 device->InitOSKeymap = EPOC_InitOSKeymap;
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215 device->PumpEvents = EPOC_PumpEvents;
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216 device->free = EPOC_DeleteDevice;
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217
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218 return device;
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219 }
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220
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221
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222 VideoBootStrap EPOC_bootstrap = {
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223 "epoc\0\0\0", "EPOC system",
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224 EPOC_Available, EPOC_CreateDevice
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225 };
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226
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227
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228
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229 void DisableKeyBlocking(_THIS)
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230 {
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231 EpocSdlEnv::Request(EpocSdlEnv::EDisableKeyBlocking);
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232 }
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233
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234 void ConstructWindowL(_THIS)
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235 {
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236 SDL_TRACE("SDL:ConstructWindowL");
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237 DisableKeyBlocking(_this); //disable key blocking
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238 }
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239
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240
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241 int EPOC_VideoInit(_THIS, SDL_PixelFormat *vformat)
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242 {
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243 /* Construct Epoc window */
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244
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245 ConstructWindowL(_this);
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246
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247 /* Initialise Epoc frame buffer */
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248
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249
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250 const TDisplayMode displayMode = EpocSdlEnv::DisplayMode();
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251
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252 /* The "best" video format should be returned to caller. */
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253
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254 vformat->BitsPerPixel = TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode);
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255 vformat->BytesPerPixel = TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode) / 8;
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256
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257
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258 //?? Private->iWindow->PointerFilter(EPointerFilterDrag, 0);
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259
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260 Private->iScreenPos = TPoint(0, 0);
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261
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262 Private->iRect.x = Private->iScreenPos.iX;
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263 Private->iRect.y = Private->iScreenPos.iY;
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264
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265 const TSize sz = EpocSdlEnv::WindowSize();
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266
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267 Private->iRect.w = sz.iWidth;
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268 Private->iRect.h = sz.iHeight;
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269 Private->iRectPtr = &Private->iRect;
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270
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271 return(0);
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272 }
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273
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274
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275 SDL_Rect **EPOC_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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276 {
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277 if(flags & SDL_HWSURFACE)
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278 {
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279 if(format->BytesPerPixel != 4) //in HW only full color is supported
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280 return NULL;
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281 }
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282 if(flags & SDL_FULLSCREEN)
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283 {
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284 return &Private->iRectPtr;
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285 }
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286 return (SDL_Rect **)(-1); //everythingisok, unless too small shoes
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287 }
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288
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289
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290 int EPOC_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
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291 {
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292 if ((firstcolor+ncolors) > 256)
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293 return -1;
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294 TUint32 palette[256];
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295 const TDisplayMode mode = EpocSdlEnv::DisplayMode();
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296 if(TDisplayModeUtils::NumDisplayModeColors(mode) == 4096)
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297 {
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298 // Set 12 bit palette
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299 for(int i = firstcolor; i < ncolors; i++)
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300 {
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301 // 4k value: 0000 rrrr gggg bbbb
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302 TUint32 color4K = (colors[i].r & 0x0000f0) << 4;
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303 color4K |= (colors[i].g & 0x0000f0);
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304 color4K |= (colors[i].b & 0x0000f0) >> 4;
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305 palette[i] = color4K;
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306 }
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307 }
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308 else if(TDisplayModeUtils::NumDisplayModeColors(mode) == 65536)
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309 {
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310 for(int i = firstcolor; i < ncolors; i++)
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311 {
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312 // 64k-colour displays effectively support RGB values
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313 // with 5 bits allocated to red, 6 to green and 5 to blue
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314 // 64k value: rrrr rggg gggb bbbb
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315 TUint32 color64K = (colors[i].r & 0x0000f8) << 8;
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316 color64K |= (colors[i].g & 0x0000fc) << 3;
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317 color64K |= (colors[i].b & 0x0000f8) >> 3;
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318 palette[i] = color64K;
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319 }
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320 }
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321 else if(TDisplayModeUtils::NumDisplayModeColors(mode) == 16777216)
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322 {
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323 for(int i = firstcolor; i < ncolors; i++)
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324 {
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325 // 16M-colour
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326 //0000 0000 rrrr rrrr gggg gggg bbbb bbbb
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327 TUint32 color16M = colors[i].r << 16;
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328 color16M |= colors[i].g << 8;
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329 color16M |= colors[i].b;
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330 palette[i] = color16M;
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331 }
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332 }
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333 else
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334 {
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335 return -2;
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336 }
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337 if(EpocSdlEnv::SetPalette(firstcolor, ncolors, palette) == KErrNone)
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338 return 0;
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339 return -1;
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340 }
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341
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342
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343 /*
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344 void AllocHWSurfaceL(CFbsBitmap*& aBitmap, const TDisplayMode& aMode, const TSize& aSize)
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345 {
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346 aBitmap = new (ELeave) CFbsBitmap();
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347 if(KErrNone != aBitmap->CreateHardwareBitmap(aSize, aMode,
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348 EpocSdlEnv::EikonEnv().EikAppUi()->Application()->AppDllUid()))
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349 //...if it fails - should we use wsbitmaps???
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350 {//the good reason to use hw bitmaps is that they wont need lock heap
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351 PANIC_IF_ERROR(aBitmap->Create(aSize, aMode));
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352 }
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353 }
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354
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355 int CreateSurfaceL(_THIS, SDL_Surface* surface)
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356 {
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357 __ASSERT_ALWAYS(Private->iFrame == NULL, PANIC(KErrAlreadyExists));
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358 ;
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359 TInt dmode = EColorLast;
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360
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361 TDisplayMode displayMode;
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362 EpocSdlEnv::GetDiplayMode(displayMode);
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363
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364 if(
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365 TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode)
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366 == surface->format->BitsPerPixel)
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367 {
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368 dmode = displayMode;
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369 }
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370 else
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371 {
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372 --dmode;
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373 while(TDisplayModeUtils::IsDisplayModeColor(TDisplayMode(dmode)) &&
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374 TDisplayModeUtils::NumDisplayModeBitsPerPixel(TDisplayMode(dmode)) !=
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375 surface->format->BitsPerPixel)
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376 --dmode;
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377 }
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378
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379 __ASSERT_ALWAYS(TDisplayModeUtils::IsDisplayModeColor(TDisplayMode(dmode)), PANIC(KErrNotSupported));
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380 TRAPD(err, AllocHWSurfaceL(Private->iFrame, TDisplayMode(dmode), TSize(surface->w, surface->h)));
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381 return err == KErrNone ? 0 : -1;
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382 }
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383 */
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384
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385 TDisplayMode GetDisplayMode(TInt aBitsPerPixel)
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386 {
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387 const TDisplayMode displayMode = EpocSdlEnv::DisplayMode();
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388 TInt dmode = EColorLast;
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389 if(
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390 TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode)
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391 == aBitsPerPixel)
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392 {
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393 dmode = displayMode;
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394 }
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395 else
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396 {
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397 --dmode;
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398 while(TDisplayModeUtils::IsDisplayModeColor(TDisplayMode(dmode)) &&
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399 TDisplayModeUtils::NumDisplayModeBitsPerPixel(TDisplayMode(dmode)) !=
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400 aBitsPerPixel)
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401 --dmode;
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402 }
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403 return TDisplayMode(dmode);
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404 }
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405
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406 SDL_Surface *EPOC_SetVideoMode(_THIS, SDL_Surface *current,
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407 int width, int height, int bpp, Uint32 flags)
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408 {
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409 const TSize screenSize = EpocSdlEnv::WindowSize(TSize(width, height));
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410 if(width > screenSize.iWidth || height > screenSize.iHeight)
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411 {
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412 if(flags & SDL_FULLSCREEN)
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413 {
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414 width = screenSize.iWidth;
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415 height = screenSize.iHeight;
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416 }
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417 else
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418 return NULL;
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419 }
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|
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420
|
|
|
421 if(current && current->pixels)
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422 {
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423 // free(current->pixels);
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424 current->pixels = NULL;
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425 }
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426
|
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427 if(!SDL_ReallocFormat(current, bpp, 0, 0, 0, 0))
|
|
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428 {
|
|
|
429 return(NULL);
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|
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430 }
|
|
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431
|
|
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432 current->flags = 0;
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433 if(width == screenSize.iWidth && height == screenSize.iHeight)
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|
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434 current->flags |= SDL_FULLSCREEN;
|
|
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435
|
|
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436 const int numBytesPerPixel = ((bpp-1)>>3) + 1;
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437 current->pitch = numBytesPerPixel * width; // Number of bytes in scanline
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438
|
|
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439 /* Set up the new mode framebuffer */
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440 current->flags |= SDL_PREALLOC;
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441
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|
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442 if(bpp <= 8)
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|
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443 current->flags |= SDL_HWPALETTE;
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|
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444
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445 User::Free(Private->iSwSurface);
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|
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446 current->pixels = NULL;
|
|
|
447 Private->iSwSurface = NULL;
|
|
|
448
|
|
|
449 if(flags & SDL_HWSURFACE)
|
|
|
450 {
|
|
|
451 current->flags |= SDL_HWSURFACE;
|
|
|
452 // current->pixels = NULL;
|
|
|
453 // Private->iSwSurface = NULL;
|
|
|
454 }
|
|
|
455 else
|
|
|
456 {
|
|
|
457 current->flags |= SDL_SWSURFACE;
|
|
|
458 const TInt surfacesize = width * height * numBytesPerPixel;
|
|
|
459 Private->iSwSurfaceSize = TSize(width, height);
|
|
|
460 delete Private->iSwSurface;
|
|
|
461 Private->iSwSurface = NULL;
|
|
|
462 current->pixels = (TUint8*) User::AllocL(surfacesize);
|
|
|
463 Private->iSwSurface = (TUint8*) current->pixels;
|
|
|
464 const TInt err = EpocSdlEnv::AllocSwSurface
|
|
|
465 (TSize(width, height), GetDisplayMode(current->format->BitsPerPixel));
|
|
|
466 if(err != KErrNone)
|
|
|
467 return NULL;
|
|
|
468 }
|
|
|
469
|
|
|
470 current->w = width;
|
|
|
471 current->h = height;
|
|
|
472
|
|
|
473
|
|
|
474
|
|
|
475 /* Set the blit function */
|
|
|
476 _this->UpdateRects = EPOC_DirectUpdate;
|
|
|
477
|
|
|
478 /*
|
|
|
479 * Logic for getting suitable screen dimensions, offset, scaling and orientation
|
|
|
480 */
|
|
|
481
|
|
|
482
|
|
|
483 /* Centralize game window on device screen */
|
|
|
484
|
|
|
485
|
|
|
486 Private->iScreenPos.iX = Max(0, (screenSize.iWidth - width) / 2);
|
|
|
487 Private->iScreenPos.iY = Max(0, (screenSize.iHeight - height) / 2);
|
|
|
488
|
|
|
489 // delete (Private->iFrame);
|
|
|
490 // Private->iFrame = NULL;
|
|
|
491
|
|
|
492 // TRAPD(err, CreateSurfaceL(_this, current));
|
|
|
493 // PANIC_IF_ERROR(err);
|
|
|
494
|
|
|
495 SDL_TRACE1("View width %d", width);
|
|
|
496 SDL_TRACE1("View height %d", height);
|
|
|
497 SDL_TRACE1("View bmode %d", bpp);
|
|
|
498 SDL_TRACE1("View x %d", Private->iScreenPos.iX);
|
|
|
499 SDL_TRACE1("View y %d", Private->iScreenPos.iY);
|
|
|
500
|
|
|
501 EpocSdlEnv::LockPalette(EFalse);
|
|
|
502 /* We're done */
|
|
|
503 return(current);
|
|
|
504 }
|
|
|
505
|
|
|
506
|
|
|
507
|
|
|
508 static int EPOC_AllocHWSurface(_THIS, SDL_Surface* surface)
|
|
|
509 {
|
|
|
510 return KErrNone == EpocSdlEnv::AllocHwSurface(TSize(surface->w, surface->h), GetDisplayMode(surface->format->BitsPerPixel));
|
|
|
511 }
|
|
|
512
|
|
|
513 static void EPOC_FreeHWSurface(_THIS, SDL_Surface* /*surface*/)
|
|
|
514 {
|
|
|
515 }
|
|
|
516
|
|
|
517 static int EPOC_LockHWSurface(_THIS, SDL_Surface* surface)
|
|
|
518 {
|
|
|
519 if(EpocSdlEnv::IsDsaAvailable())
|
|
|
520 {
|
|
|
521 TUint8* address = EpocSdlEnv::LockHwSurface();
|
|
|
522 if(address != NULL)
|
|
|
523 {
|
|
|
524 surface->pixels = address;
|
|
|
525 return 1;
|
|
|
526 }
|
|
|
527 }
|
|
|
528 return 0;
|
|
|
529 }
|
|
|
530 static void EPOC_UnlockHWSurface(_THIS, SDL_Surface* /*surface*/)
|
|
|
531 {
|
|
|
532 EpocSdlEnv::UnlockHwSurface();
|
|
|
533 }
|
|
|
534
|
|
|
535 static int EPOC_FlipHWSurface(_THIS, SDL_Surface* /*surface*/)
|
|
|
536 {
|
|
|
537 return(0);
|
|
|
538 }
|
|
|
539
|
|
|
540 static void EPOC_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
|
|
|
541 {
|
|
|
542 if(EpocSdlEnv::IsDsaAvailable())
|
|
|
543 {
|
|
|
544 if(Private->iSwSurface)
|
|
|
545 {
|
|
|
546 const TRect target(Private->iScreenPos, Private->iSwSurfaceSize);
|
|
|
547 for(TInt i = 0; i < numrects ;i++)
|
|
|
548 {
|
|
|
549 const TRect rect(TPoint(rects[i].x, rects[i].y),
|
|
|
550 TSize(rects[i].w, rects[i].h));
|
|
|
551 if(!EpocSdlEnv::AddUpdateRect(Private->iSwSurface, rect, target))
|
|
|
552 return; //not succesful
|
|
|
553 }
|
|
|
554 EpocSdlEnv::UpdateSwSurface();
|
|
|
555 }
|
|
|
556 SDL_PauseAudio(0);
|
|
|
557 }
|
|
|
558 else
|
|
|
559 {
|
|
|
560 SDL_PauseAudio(1);
|
|
|
561 EpocSdlEnv::WaitDsaAvailable();
|
|
|
562 }
|
|
|
563 }
|
|
|
564
|
|
|
565
|
|
|
566 /* Note: If we are terminated, this could be called in the middle of
|
|
|
567 another SDL video routine -- notably UpdateRects.
|
|
|
568 */
|
|
|
569 void EPOC_VideoQuit(_THIS)
|
|
|
570 {
|
|
|
571 // delete Private->iFrame;
|
|
|
572 // Private->iFrame = NULL;
|
|
|
573 User::Free(Private->iSwSurface);
|
|
|
574 Private->iSwSurface = NULL;
|
|
|
575 EpocSdlEnv::FreeSurface();
|
|
|
576 }
|
|
|
577
|
|
|
578
|
|
|
579
|
|
|
580
|
|
|
581 WMcursor *EPOC_CreateWMCursor(_THIS, Uint8* /*data*/, Uint8* /*mask*/, int /*w*/, int /*h*/, int /*hot_x*/, int /*hot_y*/)
|
|
|
582 {
|
|
|
583 return (WMcursor*) 1; //hii! prevents SDL to view a std cursor
|
|
|
584 }
|
|
|
585
|
|
|
586 void EPOC_FreeWMCursor(_THIS, WMcursor* /*cursor*/)
|
|
|
587 {
|
|
|
588 }
|
|
|
589
|
|
|
590 int EPOC_ShowWMCursor(_THIS, WMcursor *cursor)
|
|
|
591 {
|
|
|
592 return true;
|
|
|
593 }
|
|
|
594
|
