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annotate src/video/nanox/SDL_nxvideo.c @ 1620:2fe5319df0e1

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From Anders F Bjorklund: The current definition of int32_t, uint32_t, uintptr_t doesn't match what the Mac system headers already have... Since it's an old 16/32 bit platform, the system headers expect the types to use "long" and not "int" like they do.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 12 Apr 2006 14:38:47 +0000
parents 8d9bb0cf2c2a
children 782fd950bd46 c121d94672cb 9a451f59b388
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4 Copyright (C) 2001 Hsieh-Fu Tsai
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26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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5 Copyright (C) 2002 Greg Haerr <greg@censoft.com>
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6
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7 This library is free software; you can redistribute it and/or
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8 modify it under the terms of the GNU Library General Public
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9 License as published by the Free Software Foundation; either
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10 version 2 of the License, or (at your option) any later version.
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11
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12 This library is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 Library General Public License for more details.
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16
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17 You should have received a copy of the GNU Library General Public
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18 License along with this library; if not, write to the Free
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19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20
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21 Sam Lantinga
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22 slouken@libsdl.org
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23
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24 Hsieh-Fu Tsai
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25 clare@setabox.com
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26 */
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27 #include "SDL_config.h"
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28
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29 #include "SDL_thread.h"
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30 #include "SDL_video.h"
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31 #include "../SDL_pixels_c.h"
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32 #include "../../events/SDL_events_c.h"
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33
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34 #define MWINCLUDECOLORS
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35 #include "SDL_nxvideo.h"
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36 #include "SDL_nxmodes_c.h"
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37 #include "SDL_nxwm_c.h"
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38 #include "SDL_nxmouse_c.h"
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39 #include "SDL_nximage_c.h"
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40 #include "SDL_nxevents_c.h"
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41
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42 // Initialization/Query functions
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43 static int NX_VideoInit (_THIS, SDL_PixelFormat * vformat) ;
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44 static SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current, int width, int height, int bpp, Uint32 flags) ;
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45 static int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) ;
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46 static void NX_VideoQuit (_THIS) ;
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47 static void NX_DestroyWindow (_THIS, SDL_Surface * screen) ;
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48 static int NX_ToggleFullScreen (_THIS, int on) ;
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49 static void NX_UpdateMouse (_THIS) ;
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50 static int NX_SetGammaRamp (_THIS, Uint16 * ramp) ;
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51 static int NX_GetGammaRamp (_THIS, Uint16 * ramp) ;
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52
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53 // Microwin driver bootstrap functions
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54 static int NX_Available ()
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55 {
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56 Dprintf ("enter NX_Available\n") ;
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57
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58 if (GrOpen () < 0) return 0 ;
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59 GrClose () ;
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60
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61 Dprintf ("leave NX_Available\n") ;
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62 return 1 ;
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63 }
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64
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65 static void NX_DeleteDevice (SDL_VideoDevice * device)
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66 {
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67 Dprintf ("enter NX_DeleteDevice\n") ;
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68
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69 if (device) {
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70 if (device -> hidden) SDL_free (device -> hidden) ;
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71 if (device -> gl_data) SDL_free (device -> gl_data) ;
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72 SDL_free (device) ;
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73 }
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74
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75 Dprintf ("leave NX_DeleteDevice\n") ;
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76 }
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77
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78 static SDL_VideoDevice * NX_CreateDevice (int devindex)
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79 {
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80 SDL_VideoDevice * device ;
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81
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82 Dprintf ("enter NX_CreateDevice\n") ;
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83
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84 // Initialize all variables that we clean on shutdown
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85 device = (SDL_VideoDevice *) SDL_malloc (sizeof (SDL_VideoDevice)) ;
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86 if (device) {
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87 SDL_memset (device, 0, (sizeof * device)) ;
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88 device -> hidden = (struct SDL_PrivateVideoData *)
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89 SDL_malloc ((sizeof * device -> hidden)) ;
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90 device -> gl_data = NULL ;
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91 }
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92 if ((device == NULL) || (device -> hidden == NULL)) {
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93 SDL_OutOfMemory () ;
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94 NX_DeleteDevice (device) ;
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95 return 0 ;
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96 }
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97 SDL_memset (device -> hidden, 0, (sizeof * device -> hidden)) ;
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98
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99 // Set the function pointers
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100 device -> VideoInit = NX_VideoInit ;
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101 device -> ListModes = NX_ListModes ;
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102 device -> SetVideoMode = NX_SetVideoMode ;
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103 device -> ToggleFullScreen = NX_ToggleFullScreen ;
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104 device -> UpdateMouse = NX_UpdateMouse ;
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105 device -> CreateYUVOverlay = NULL ;
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106 device -> SetColors = NX_SetColors ;
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107 device -> UpdateRects = NULL ;
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108 device -> VideoQuit = NX_VideoQuit;
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109 device -> AllocHWSurface = NULL ;
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110 device -> CheckHWBlit = NULL ;
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111 device -> FillHWRect = NULL ;
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112 device -> SetHWColorKey = NULL ;
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113 device -> SetHWAlpha = NULL ;
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114 device -> LockHWSurface = NULL ;
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115 device -> UnlockHWSurface = NULL ;
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116 device -> FlipHWSurface = NULL ;
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117 device -> FreeHWSurface = NULL ;
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118 device -> SetGamma = NULL ;
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119 device -> GetGamma = NULL ;
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120 device -> SetGammaRamp = NX_SetGammaRamp ;
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121 device -> GetGammaRamp = NX_GetGammaRamp ;
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122
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123 #if SDL_VIDEO_OPENGL
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124 device -> GL_LoadLibrary = NULL ;
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125 device -> GL_GetProcAddress = NULL ;
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126 device -> GL_GetAttribute = NULL ;
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127 device -> GL_MakeCurrent = NULL ;
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128 device -> GL_SwapBuffers = NULL ;
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129 #endif
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130
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131 device -> SetIcon = NULL ;
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132 device -> SetCaption = NX_SetCaption;
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133 device -> IconifyWindow = NULL ;
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134 device -> GrabInput = NULL ;
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135 device -> GetWMInfo = NX_GetWMInfo ;
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136 device -> FreeWMCursor = NX_FreeWMCursor ;
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137 device -> CreateWMCursor = NX_CreateWMCursor ;
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138 device -> ShowWMCursor = NX_ShowWMCursor ;
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139 device -> WarpWMCursor = NX_WarpWMCursor ;
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140 device -> CheckMouseMode = NULL ;
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141 device -> InitOSKeymap = NX_InitOSKeymap ;
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142 device -> PumpEvents = NX_PumpEvents ;
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143
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144 device -> free = NX_DeleteDevice ;
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145
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146 Dprintf ("leave NX_CreateDevice\n") ;
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147 return device ;
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148 }
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149
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150 VideoBootStrap NX_bootstrap = {
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151 "nanox", "nanox", NX_Available, NX_CreateDevice
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152 } ;
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153
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154 static void create_aux_windows (_THIS)
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155 {
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156 GR_WM_PROPERTIES props ;
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157
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158 Dprintf ("enter create_aux_windows\n") ;
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159
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160 // Don't create any extra windows if we are being managed
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161 if (SDL_windowid) {
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162 FSwindow = 0 ;
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163 return ;
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164 }
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165
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166 if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) {
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167 GrDestroyWindow (FSwindow) ;
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168 }
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169
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170 FSwindow = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, BLACK, BLACK) ;
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171 props.flags = GR_WM_FLAGS_PROPS ;
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172 props.props = GR_WM_PROPS_NODECORATE ;
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173 GrSetWMProperties (FSwindow, & props) ;
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174
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175 GrSelectEvents (FSwindow, (GR_EVENT_MASK_EXPOSURE |
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176 GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP |
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177 GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT |
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178 GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP |
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179 GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT |
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180 GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE |
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parents:
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181 GR_EVENT_MASK_CLOSE_REQ)) ;
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182
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183 Dprintf ("leave create_aux_windows\n") ;
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184 }
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185
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186 int NX_VideoInit (_THIS, SDL_PixelFormat * vformat)
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187 {
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188 GR_SCREEN_INFO si ;
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189
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190 Dprintf ("enter NX_VideoInit\n") ;
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191
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192 if (GrOpen () < 0) {
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193 SDL_SetError ("GrOpen() fail") ;
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194 return -1 ;
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195 }
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196
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197 // use share memory to speed up
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198 #ifdef NANOX_SHARE_MEMORY
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199 GrReqShmCmds (0xFFFF);
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200 #endif
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201
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202 SDL_Window = 0 ;
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203 FSwindow = 0 ;
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diff changeset
204
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205 GammaRamp_R = NULL ;
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206 GammaRamp_G = NULL ;
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207 GammaRamp_B = NULL ;
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208
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209 GrGetScreenInfo (& si) ;
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diff changeset
210 SDL_Visual.bpp = si.bpp ;
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211
1545
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212 /* Determine the current screen size */
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213 this->info.current_w = si.cols ;
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214 this->info.current_h = si.rows ;
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215
30
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216 // GetVideoMode
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diff changeset
217 SDL_modelist = (SDL_Rect **) SDL_malloc (sizeof (SDL_Rect *) * 2) ;
30
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218 if (SDL_modelist) {
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219 SDL_modelist [0] = (SDL_Rect *) SDL_malloc (sizeof(SDL_Rect)) ;
30
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diff changeset
220 if (SDL_modelist [0]) {
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diff changeset
221 SDL_modelist [0] -> x = 0 ;
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parents:
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222 SDL_modelist [0] -> y = 0 ;
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diff changeset
223 SDL_modelist [0] -> w = si.cols ;
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diff changeset
224 SDL_modelist [0] -> h = si.rows ;
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225 }
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226 SDL_modelist [1] = NULL ;
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227 }
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228
471
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
229 pixel_type = si.pixtype;
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parents: 297
diff changeset
230 SDL_Visual.red_mask = si.rmask;
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
231 SDL_Visual.green_mask = si.gmask;
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parents: 297
diff changeset
232 SDL_Visual.blue_mask = si.bmask;
30
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parents:
diff changeset
233
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234 vformat -> BitsPerPixel = SDL_Visual.bpp ;
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parents:
diff changeset
235 if (vformat -> BitsPerPixel > 8) {
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parents:
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236 vformat -> Rmask = SDL_Visual.red_mask ;
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parents:
diff changeset
237 vformat -> Gmask = SDL_Visual.green_mask ;
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parents:
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238 vformat -> Bmask = SDL_Visual.blue_mask ;
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parents:
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239 }
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diff changeset
240
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parents:
diff changeset
241 // See if we have been passed a window to use
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parents:
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242 SDL_windowid = getenv ("SDL_WINDOWID") ;
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parents:
diff changeset
243
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diff changeset
244 // Create the fullscreen (and managed windows : no implement)
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parents:
diff changeset
245 create_aux_windows (this) ;
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parents:
diff changeset
246
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diff changeset
247 Dprintf ("leave NX_VideoInit\n") ;
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248 return 0 ;
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249 }
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250
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parents:
diff changeset
251 void NX_VideoQuit (_THIS)
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parents:
diff changeset
252 {
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parents:
diff changeset
253 Dprintf ("enter NX_VideoQuit\n") ;
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parents:
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254
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parents:
diff changeset
255 // Start shutting down the windows
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parents:
diff changeset
256 NX_DestroyImage (this, this -> screen) ;
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parents:
diff changeset
257 NX_DestroyWindow (this, this -> screen) ;
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parents:
diff changeset
258 if (FSwindow && FSwindow != GR_ROOT_WINDOW_ID) {
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parents:
diff changeset
259 GrDestroyWindow (FSwindow) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 NX_FreeVideoModes (this) ;
1341
d02b552e5304 Configure dynamically generates SDL_config.h
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parents: 1338
diff changeset
262 SDL_free (GammaRamp_R) ;
d02b552e5304 Configure dynamically generates SDL_config.h
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
263 SDL_free (GammaRamp_G) ;
d02b552e5304 Configure dynamically generates SDL_config.h
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
264 SDL_free (GammaRamp_B) ;
471
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
265
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
266 #ifdef ENABLE_NANOX_DIRECT_FB
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parents: 297
diff changeset
267 if (Clientfb)
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parents: 297
diff changeset
268 GrCloseClientFramebuffer();
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
269 #endif
30
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parents:
diff changeset
270 GrClose () ;
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parents:
diff changeset
271
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parents:
diff changeset
272 Dprintf ("leave NX_VideoQuit\n") ;
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parents:
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273 }
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parents:
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274
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parents:
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275 static void NX_DestroyWindow (_THIS, SDL_Surface * screen)
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parents:
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276 {
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parents:
diff changeset
277 Dprintf ("enter NX_DestroyWindow\n") ;
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parents:
diff changeset
278
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 if (! SDL_windowid) {
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parents:
diff changeset
280 if (screen && (screen -> flags & SDL_FULLSCREEN)) {
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parents:
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281 screen -> flags &= ~ SDL_FULLSCREEN ;
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parents:
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282 NX_LeaveFullScreen (this) ;
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parents:
diff changeset
283 }
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parents:
diff changeset
284
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Sam Lantinga <slouken@lokigames.com>
parents:
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285 // Destroy the output window
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parents:
diff changeset
286 if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 GrDestroyWindow (SDL_Window) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288 }
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parents:
diff changeset
289 }
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parents:
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290
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parents:
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291 // Free the graphics context
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
292 if (! SDL_GC) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
293 GrDestroyGC (SDL_GC) ;
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parents:
diff changeset
294 SDL_GC = 0;
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parents:
diff changeset
295 }
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parents:
diff changeset
296
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parents:
diff changeset
297 Dprintf ("leave NX_DestroyWindow\n") ;
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parents:
diff changeset
298 }
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parents:
diff changeset
299
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parents:
diff changeset
300 static int NX_CreateWindow (_THIS, SDL_Surface * screen,
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parents:
diff changeset
301 int w, int h, int bpp, Uint32 flags)
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parents:
diff changeset
302 {
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parents:
diff changeset
303 Dprintf ("enter NX_CreateWindow\n") ;
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parents:
diff changeset
304
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 // If a window is already present, destroy it and start fresh
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parents:
diff changeset
306 if (SDL_Window && SDL_Window != GR_ROOT_WINDOW_ID) {
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parents:
diff changeset
307 NX_DestroyWindow (this, screen) ;
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parents:
diff changeset
308 }
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parents:
diff changeset
309
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parents:
diff changeset
310 // See if we have been given a window id
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parents:
diff changeset
311 if (SDL_windowid) {
1341
d02b552e5304 Configure dynamically generates SDL_config.h
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parents: 1338
diff changeset
312 SDL_Window = SDL_strtol (SDL_windowid, NULL, 0) ;
30
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parents:
diff changeset
313 } else {
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parents:
diff changeset
314 SDL_Window = 0 ;
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parents:
diff changeset
315 }
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parents:
diff changeset
316
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 if ( ! SDL_ReallocFormat (screen, bpp, SDL_Visual.red_mask,
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parents:
diff changeset
318 SDL_Visual.green_mask, SDL_Visual.blue_mask, 0))
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parents:
diff changeset
319 return -1;
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parents:
diff changeset
320
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 // Create (or use) the nanox display window
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 if (! SDL_windowid) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 SDL_Window = GrNewWindow (GR_ROOT_WINDOW_ID, 0, 0, w, h, 0, BLACK, WHITE) ;
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parents:
diff changeset
325
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 GrSelectEvents (SDL_Window, (GR_EVENT_MASK_EXPOSURE |
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parents:
diff changeset
327 GR_EVENT_MASK_BUTTON_DOWN | GR_EVENT_MASK_BUTTON_UP |
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 GR_EVENT_MASK_FOCUS_IN | GR_EVENT_MASK_FOCUS_OUT |
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP |
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 GR_EVENT_MASK_MOUSE_ENTER | GR_EVENT_MASK_MOUSE_EXIT |
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331 GR_EVENT_MASK_MOUSE_MOTION | GR_EVENT_MASK_UPDATE |
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 GR_EVENT_MASK_CLOSE_REQ)) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 /* Create the graphics context here, once we have a window */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 SDL_GC = GrNewGC () ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 if (SDL_GC == 0) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 SDL_SetError("Couldn't create graphics context");
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 return(-1);
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 // Map them both and go fullscreen, if requested
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 if (! SDL_windowid) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344 GrMapWindow (SDL_Window) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
345 if (flags & SDL_FULLSCREEN) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346 screen -> flags |= SDL_FULLSCREEN ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347 NX_EnterFullScreen (this) ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 } else {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 screen -> flags &= ~ SDL_FULLSCREEN ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352
471
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
353 #ifdef ENABLE_NANOX_DIRECT_FB
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
354 /* attempt allocating the client side framebuffer */
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
355 Clientfb = GrOpenClientFramebuffer();
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
356 /* NULL return will default to using GrArea()*/
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
357 #endif
26dafefeebb2 Date: Sat, 24 Aug 2002 22:20:01 -0600
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parents: 297
diff changeset
358
30
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 Dprintf ("leave NX_CreateWindow\n") ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 return 0 ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 SDL_Surface * NX_SetVideoMode (_THIS, SDL_Surface * current,
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 int width, int height, int bpp, Uint32 flags)
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 Dprintf ("enter NX_SetVideoMode\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 // Lock the event thread, in multi-threading environments
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 SDL_Lock_EventThread () ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 bpp = SDL_Visual.bpp ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 if (NX_CreateWindow (this, current, width, height, bpp, flags) < 0) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 current = NULL;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 goto done;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 if (current -> w != width || current -> h != height) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 current -> w = width ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 current -> h = height ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 current -> pitch = SDL_CalculatePitch (current) ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 NX_ResizeImage (this, current, flags) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 current -> flags |= (flags & (SDL_RESIZABLE | SDL_NOFRAME)) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 done:
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 SDL_Unlock_EventThread () ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 Dprintf ("leave NX_SetVideoMode\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 // We're done!
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 return current ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 // ncolors <= 256
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 int NX_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors)
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 int i ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 GR_PALETTE pal ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 Dprintf ("enter NX_SetColors\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 if (ncolors > 256) return 0 ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 pal.count = ncolors ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 for (i = 0; i < ncolors; ++ i) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 pal.palette [i].r = colors [i].r ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 pal.palette [i].g = colors [i].g ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 pal.palette [i].b = colors [i].b ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 GrSetSystemPalette (firstcolor, & pal) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 Dprintf ("leave NX_SetColors\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 return 1 ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 static int NX_ToggleFullScreen (_THIS, int on)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 SDL_Rect rect ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 Uint32 event_thread ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 Dprintf ("enter NX_ToggleFullScreen\n") ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 // Don't switch if we don't own the window
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 if (SDL_windowid) return 0 ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 // Don't lock if we are the event thread
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 event_thread = SDL_EventThreadID () ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 if (event_thread && (SDL_ThreadID () == event_thread)) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 event_thread = 0 ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 if (event_thread) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 SDL_Lock_EventThread() ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 if (on) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 NX_EnterFullScreen (this) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 } else {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 this -> screen -> flags &= ~ SDL_FULLSCREEN ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 NX_LeaveFullScreen (this) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 rect.x = rect.y = 0 ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 rect.w = this -> screen -> w, rect.h = this -> screen -> h ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 NX_NormalUpdate (this, 1, & rect) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 if (event_thread) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 SDL_Unlock_EventThread () ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 Dprintf ("leave NX_ToggleFullScreen\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 return 1 ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 // Update the current mouse state and position
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 static void NX_UpdateMouse (_THIS)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 int x, y ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 GR_WINDOW_INFO info ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 GR_SCREEN_INFO si ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 Dprintf ("enter NX_UpdateMouse\n") ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 // Lock the event thread, in multi-threading environments
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 SDL_Lock_EventThread () ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 GrGetScreenInfo (& si) ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 GrGetWindowInfo (SDL_Window, & info) ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 x = si.xpos - info.x ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 y = si.ypos - info.y ;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 if (x >= 0 && x <= info.width && y >= 0 && y <= info.height) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 SDL_PrivateAppActive (1, SDL_APPMOUSEFOCUS) ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 SDL_PrivateMouseMotion (0, 0, x, y);
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 } else {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 SDL_PrivateAppActive (0, SDL_APPMOUSEFOCUS) ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 SDL_Unlock_EventThread () ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 Dprintf ("leave NX_UpdateMouse\n") ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 static int NX_SetGammaRamp (_THIS, Uint16 * ramp)
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 int i ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 Uint16 * red, * green, * blue ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 Dprintf ("enter NX_SetGammaRamp\n") ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
491 if (! GammaRamp_R) GammaRamp_R = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ;
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
492 if (! GammaRamp_G) GammaRamp_G = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ;
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
493 if (! GammaRamp_B) GammaRamp_B = (Uint16 *) SDL_malloc (sizeof (Uint16) * CI_SIZE) ;
30
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 if ((! GammaRamp_R) || (! GammaRamp_G) || (! GammaRamp_B)) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 SDL_OutOfMemory () ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 return -1 ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497 }
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 for (i = 0; i < CI_SIZE; ++ i)
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 GammaRamp_R [i] = GammaRamp_G [i] = GammaRamp_B [i] = i ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 red = ramp ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 green = ramp + CI_SIZE ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 blue = green + CI_SIZE ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 for (i = 0; i < CI_SIZE; ++ i) {
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 GammaRamp_R [i] = red [i] ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 GammaRamp_G [i] = green [i] ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 GammaRamp_B [i] = blue [i] ;
57bf11a5efd7 Added initial support for Nano-X (thanks Hsieh-Fu!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 }
699
d3b2e93629eb Fixed some bugs in the Nano-X video driver
Sam Lantinga <slouken@libsdl.org>
parents: 698
diff changeset
511 SDL_UpdateRect(this->screen, 0, 0, 0, 0);
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512
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513 Dprintf ("leave NX_SetGammaRamp\n") ;
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514 return 0 ;
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515 }
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516
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517 static int NX_GetGammaRamp (_THIS, Uint16 * ramp)
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518 {
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519 int i ;
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520 Uint16 * red, * green, * blue ;
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521
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522 Dprintf ("enter NX_GetGammaRamp\n") ;
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523
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524 if (SDL_Visual.bpp != 32 && SDL_Visual.bpp != 24) return -1 ;
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525 red = ramp ;
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526 green = ramp + CI_SIZE ;
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527 blue = green + CI_SIZE ;
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528 if (GammaRamp_R && GammaRamp_G && GammaRamp_B) {
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529 for (i = 0; i < CI_SIZE; ++ i) {
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530 red [i] = GammaRamp_R [i] ;
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531 green [i] = GammaRamp_G [i] ;
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532 blue [i] = GammaRamp_B [i] ;
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533 }
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534 } else {
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535 for (i = 0; i < CI_SIZE; ++ i)
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536 red [i] = green [i] = blue [i] = i ;
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537 }
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538
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539 Dprintf ("leave NX_GetGammaRamp\n") ;
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540 return 0 ;
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541 }