Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_ph_video.c @ 297:f6ffac90895c
Updated copyright information for 2002
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 06 Mar 2002 11:23:08 +0000 |
| parents | 68a8a8237c09 |
| children | 2de77f7b7a28 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <stdio.h> | |
| 30 #include <unistd.h> | |
| 31 #include <string.h> | |
| 32 #include <sys/ioctl.h> | |
| 33 | |
| 34 #include "SDL.h" | |
| 35 #include "SDL_error.h" | |
| 36 #include "SDL_timer.h" | |
| 37 #include "SDL_thread.h" | |
| 38 #include "SDL_video.h" | |
| 39 #include "SDL_mouse.h" | |
| 40 #include "SDL_endian.h" | |
| 41 #include "SDL_sysvideo.h" | |
| 42 #include "SDL_pixels_c.h" | |
| 43 #include "SDL_events_c.h" | |
| 44 #include "SDL_ph_video.h" | |
| 45 #include "SDL_ph_modes_c.h" | |
| 46 #include "SDL_ph_image_c.h" | |
| 47 #include "SDL_ph_events_c.h" | |
| 48 #include "SDL_ph_mouse_c.h" | |
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49 #include "SDL_ph_wm_c.h" |
| 0 | 50 #include "SDL_phyuv_c.h" |
| 51 #include "blank_cursor.h" | |
| 52 | |
| 53 static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 54 static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, | |
| 55 int width, int height, int bpp, Uint32 flags); | |
| 56 static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); | |
| 57 static void ph_VideoQuit(_THIS); | |
| 58 static void ph_DeleteDevice(SDL_VideoDevice *device); | |
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59 |
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60 #ifdef HAVE_OPENGL |
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61 static void ph_GL_SwapBuffers(_THIS); |
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62 static int ph_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); |
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63 #endif /* HAVE_OPENGL */ |
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64 |
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65 #ifdef HAVE_OPENGL |
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66 PdOpenGLContext_t* OGLContext=NULL; |
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67 #endif /* HAVE_OPENGL */ |
| 0 | 68 |
| 69 static int ph_Available(void) | |
| 70 { | |
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71 return 1; |
| 0 | 72 } |
| 73 | |
| 74 static SDL_VideoDevice *ph_CreateDevice(int devindex) | |
| 75 { | |
| 76 SDL_VideoDevice *device; | |
| 77 | |
| 78 /* Initialize all variables that we clean on shutdown */ | |
| 79 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 80 if ( device ) { | |
| 81 memset(device, 0, (sizeof *device)); | |
| 82 device->hidden = (struct SDL_PrivateVideoData *) | |
| 83 malloc((sizeof *device->hidden)); | |
| 84 device->gl_data = NULL; | |
| 85 } | |
| 86 if ( (device == NULL) || (device->hidden == NULL) ) { | |
| 87 SDL_OutOfMemory(); | |
| 88 ph_DeleteDevice(device); | |
| 89 return(0); | |
| 90 } | |
| 91 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 92 | |
| 93 /* Set the driver flags */ | |
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94 device->handles_any_size = 1; /* JB not true for fullscreen */ |
| 0 | 95 |
| 96 /* Set the function pointers */ | |
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97 device->CreateYUVOverlay = ph_CreateYUVOverlay; |
| 0 | 98 device->VideoInit = ph_VideoInit; |
| 99 device->ListModes = ph_ListModes; | |
| 100 device->SetVideoMode = ph_SetVideoMode; | |
| 101 device->ToggleFullScreen = ph_ToggleFullScreen; | |
| 102 device->UpdateMouse = NULL; | |
| 103 device->SetColors = ph_SetColors; | |
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104 device->UpdateRects = NULL; /* ph_ResizeImage; */ |
| 0 | 105 device->VideoQuit = ph_VideoQuit; |
| 106 device->AllocHWSurface = ph_AllocHWSurface; | |
| 107 device->CheckHWBlit = NULL; | |
| 108 device->FillHWRect = NULL; | |
| 109 device->SetHWColorKey = NULL; | |
| 110 device->SetHWAlpha = NULL; | |
| 111 device->LockHWSurface = ph_LockHWSurface; | |
| 112 device->UnlockHWSurface = ph_UnlockHWSurface; | |
| 113 device->FlipHWSurface = ph_FlipHWSurface; | |
| 114 device->FreeHWSurface = ph_FreeHWSurface; | |
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115 device->SetCaption = ph_SetCaption; |
| 0 | 116 device->SetIcon = NULL; |
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117 device->IconifyWindow = ph_IconifyWindow; |
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118 device->GrabInput = ph_GrabInput; |
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119 device->GetWMInfo = ph_GetWMInfo; |
| 0 | 120 device->FreeWMCursor = ph_FreeWMCursor; |
| 121 device->CreateWMCursor = ph_CreateWMCursor; | |
| 122 device->ShowWMCursor = ph_ShowWMCursor; | |
| 123 device->WarpWMCursor = ph_WarpWMCursor; | |
| 124 device->CheckMouseMode = ph_CheckMouseMode; | |
| 125 device->InitOSKeymap = ph_InitOSKeymap; | |
| 126 device->PumpEvents = ph_PumpEvents; | |
| 127 | |
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128 /* OpenGL support. */ |
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129 device->GL_LoadLibrary = NULL; |
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130 device->GL_GetProcAddress = NULL; |
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131 device->GL_MakeCurrent = NULL; |
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132 #ifdef HAVE_OPENGL |
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133 device->GL_SwapBuffers = ph_GL_SwapBuffers; |
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134 device->GL_GetAttribute = ph_GL_GetAttribute; |
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135 #else |
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136 device->GL_SwapBuffers = NULL; |
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137 device->GL_GetAttribute = NULL; |
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138 #endif /* HAVE_OPENGL */ |
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139 |
| 0 | 140 device->free = ph_DeleteDevice; |
| 141 | |
| 142 return device; | |
| 143 } | |
| 144 | |
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145 VideoBootStrap ph_bootstrap = { |
| 0 | 146 "photon", "QNX Photon video output", |
| 147 ph_Available, ph_CreateDevice | |
| 148 }; | |
| 149 | |
| 150 static void ph_DeleteDevice(SDL_VideoDevice *device) | |
| 151 { | |
| 152 | |
| 153 if ( device ) { | |
| 154 if ( device->hidden ) { | |
| 155 free(device->hidden); | |
| 156 device->hidden = NULL; | |
| 157 } | |
| 158 if ( device->gl_data ) { | |
| 159 free(device->gl_data); | |
| 160 device->gl_data = NULL; | |
| 161 } | |
| 162 free(device); | |
| 163 device = NULL; | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 168 { | |
| 169 PtArg_t arg[1]; | |
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170 PhDim_t dim; |
| 0 | 171 PgColor_t ph_palette[_Pg_MAX_PALETTE]; |
| 172 int i; | |
| 173 unsigned long *tempptr; | |
| 174 int rtnval; | |
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175 // PgDisplaySettings_t mysettings; |
| 0 | 176 PgVideoModeInfo_t my_mode_info; |
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177 PgHWCaps_t my_hwcaps; |
| 0 | 178 |
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179 if( NULL == ( event = malloc( EVENT_SIZE ) ) ) |
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180 exit( EXIT_FAILURE ); |
| 0 | 181 |
| 182 /* Create a widget 'window' to capture events */ | |
| 183 dim.w=0; //JB test320; | |
| 184 dim.h=0; //JB test240; | |
| 185 //We need to return BytesPerPixel as it in used by CreateRGBsurface | |
| 186 | |
| 187 PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); | |
| 188 | |
| 189 /* | |
| 190 PtSetArg(&arg[1], Pt_ARG_RESIZE_FLAGS, Pt_TRUE, Pt_RESIZE_XY_AS_REQUIRED); | |
| 191 PtSetArg(&arg[2], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | | |
| 192 Ph_WM_STATE_ISMAX | | |
| 193 Ph_WM_STATE_ISFOCUS); | |
| 194 | |
| 195 PtSetArg(&arg[3], Pt_ARG_WINDOW_RENDER_FLAGS,Pt_FALSE,~0); | |
| 196 PtSetArg(&arg[4], Pt_ARG_WINDOW_MANAGED_FLAGS,Pt_TRUE, | |
| 197 Ph_WM_FFRONT | | |
| 198 Ph_WM_CLOSE | | |
| 199 Ph_WM_TOFRONT | | |
| 200 Ph_WM_CONSWITCH); | |
| 201 */ | |
| 202 | |
| 203 | |
| 204 window=PtAppInit(NULL, NULL, NULL, 1, arg); | |
| 205 | |
| 206 if(window == NULL) | |
| 207 { | |
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208 printf("Photon application init failed, probably Photon is not running.\n"); |
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209 exit( EXIT_FAILURE ); |
| 0 | 210 } |
| 211 | |
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212 //PgSetDrawBufferSize(16 *1024); |
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213 PgSetRegion(PtWidgetRid(window)); |
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214 PgSetClipping(0,NULL); |
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215 PtRealizeWidget(window); |
| 0 | 216 |
| 217 | |
| 218 /* Get the available video modes */ | |
| 219 // if(ph_GetVideoModes(this) < 0) | |
| 220 // return -1; | |
| 221 | |
| 222 /* Create the blank cursor */ | |
| 223 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 224 (int)BLANK_CWIDTH, (int)BLANK_CHEIGHT, | |
| 225 (int)BLANK_CHOTX, (int)BLANK_CHOTY); | |
| 226 | |
| 227 if(SDL_BlankCursor == NULL) | |
| 228 printf("could not create blank cursor\n"); | |
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229 |
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230 if (PgGetGraphicsHWCaps(&my_hwcaps) < 0) |
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231 { |
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232 fprintf(stderr,"ph_VideoInit: GetGraphicsHWCaps failed!! \n"); |
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233 } |
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234 if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, &my_mode_info) < 0) |
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235 { |
| 0 | 236 fprintf(stderr,"ph_VideoInit: PgGetVideoModeInfo failed\n"); |
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237 } |
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238 |
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239 //We need to return BytesPerPixel as it in used by CreateRGBsurface |
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240 vformat->BitsPerPixel = my_mode_info.bits_per_pixel; |
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241 vformat->BytesPerPixel = my_mode_info.bytes_per_scanline/my_mode_info.width; |
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242 |
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243 //return a palette if we are in 256 color mode |
| 0 | 244 if(vformat->BitsPerPixel == 8) |
| 245 { | |
| 246 vformat->palette = malloc(sizeof(SDL_Palette)); | |
| 247 memset(vformat->palette, 0, sizeof(SDL_Palette)); | |
| 248 vformat->palette->ncolors = 256; | |
| 249 vformat->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); | |
| 250 | |
| 251 //fill the palette | |
| 252 rtnval = PgGetPalette(ph_palette); | |
| 253 if(rtnval < 0) | |
| 254 printf("ph_VideoInit: PgGetPalette failed\n"); | |
| 255 | |
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256 tempptr = (unsigned long *)vformat->palette->colors; |
| 0 | 257 |
| 258 for(i=0;i<256; i++) | |
| 259 { | |
| 260 *tempptr = (((unsigned long)ph_palette[i]) << 8); | |
| 261 tempptr++; | |
| 262 | |
| 263 } | |
| 264 | |
| 265 } | |
| 266 | |
| 267 | |
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268 currently_fullscreen = 0; |
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269 |
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270 this->info.wm_available = 1; |
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271 |
| 0 | 272 return 0; |
| 273 } | |
| 274 | |
| 275 static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, | |
| 276 int width, int height, int bpp, Uint32 flags) | |
| 277 { | |
| 278 PgDisplaySettings_t settings; | |
| 279 int mode, actual_width, actual_height; | |
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280 PtArg_t arg[5]; |
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281 PhDim_t dim; |
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282 int rtnval; |
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283 PgColor_t ph_palette[_Pg_MAX_PALETTE]; |
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284 int i; |
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285 unsigned long *tempptr; |
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286 |
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287 #ifdef HAVE_OPENGL |
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288 uint64_t OGLAttrib[PH_OGL_MAX_ATTRIBS]; |
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289 int OGLargc; |
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290 #endif /* HAVE_OPENGL */ |
| 0 | 291 |
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292 actual_width = width; |
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293 actual_height = height; |
| 0 | 294 |
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295 dim.w=width; |
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296 dim.h=height; |
| 0 | 297 |
| 298 /* Lock the event thread, in multi-threading environments */ | |
| 299 SDL_Lock_EventThread(); | |
| 300 | |
| 301 /* Initialize the window */ | |
|
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302 if (flags & SDL_FULLSCREEN) /* Direct Context , assume SDL_HWSURFACE also set */ |
| 0 | 303 { |
| 304 /* Get the video mode and set it */ | |
| 305 if (flags & SDL_ANYFORMAT) | |
| 306 { | |
| 307 if ((mode = get_mode_any_format(width, height, bpp)) == 0) | |
| 308 { | |
| 309 fprintf(stderr,"error: get_mode_any_format failed\n"); | |
| 310 exit(1); | |
| 311 } | |
| 312 } | |
| 313 else | |
| 314 { | |
| 315 if ((mode = get_mode(width, height, bpp)) == 0) | |
| 316 { | |
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317 fprintf(stderr,"error: get_mode failed\n"); |
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318 exit(1); |
| 0 | 319 } |
| 320 } | |
| 321 settings.mode = mode; | |
| 322 settings.refresh = 0; | |
| 323 settings.flags = 0; | |
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324 |
| 0 | 325 if (PgSetVideoMode( &settings ) < 0) |
| 326 { | |
| 327 fprintf(stderr,"error: PgSetVideoMode failed\n"); | |
| 328 } | |
| 329 | |
|
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330 /* Get the true height and width */ |
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331 |
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332 current->flags = (flags & (~SDL_RESIZABLE)); /* no resize for Direct Context */ |
| 0 | 333 |
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334 /* Begin direct mode */ |
| 0 | 335 |
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336 ph_EnterFullScreen(this); |
| 0 | 337 |
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338 } /* end fullscreen flag */ |
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339 else |
| 0 | 340 { |
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341 if (flags & SDL_HWSURFACE) /* Use offscreen memory iff SDL_HWSURFACE flag is set */ |
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342 { |
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343 /* Hardware surface is Offsceen Context. ph_ResizeImage handles the switch */ |
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344 current->flags = (flags & (~SDL_RESIZABLE)); /* no stretch blit in offscreen context */ |
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345 } |
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346 else /* must be SDL_SWSURFACE */ |
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347 { |
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348 current->flags = (flags | SDL_RESIZABLE); /* yes we can resize as this is a software surface */ |
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349 } |
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350 |
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351 #ifdef HAVE_OPENGL |
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352 if (flags & SDL_OPENGL) /* for now support OpenGL in window mode only */ |
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353 { |
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354 OGLargc=0; |
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355 if (this->gl_config.depth_size) |
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356 { |
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357 OGLAttrib[OGLargc++]=PHOGL_ATTRIB_DEPTH_BITS; |
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358 OGLAttrib[OGLargc++]=this->gl_config.depth_size; |
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359 } |
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360 if (this->gl_config.stencil_size) |
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361 { |
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362 OGLAttrib[OGLargc++]=PHOGL_ATTRIB_STENCIL_BITS; |
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363 OGLAttrib[OGLargc++]=this->gl_config.stencil_size; |
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364 } |
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365 OGLAttrib[OGLargc++]=PHOGL_ATTRIB_NONE; |
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366 if (this->gl_config.double_buffer) |
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367 { |
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368 OGLContext=PdCreateOpenGLContext(2, &dim, 0, OGLAttrib); |
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369 } |
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370 else |
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371 { |
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372 OGLContext=PdCreateOpenGLContext(1, &dim, 0, OGLAttrib); |
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373 } |
|
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374 if (OGLContext==NULL) |
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375 { |
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376 fprintf(stderr,"error: cannot create OpenGL context.\n"); |
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377 exit(1); |
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378 } |
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379 PhDCSetCurrent(OGLContext); |
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380 } |
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381 #else |
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382 if (flags & SDL_OPENGL) /* if no OpenGL support */ |
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383 { |
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384 fprintf(stderr, "error: no OpenGL support, try to recompile library.\n"); |
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385 exit(1); |
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386 } |
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387 |
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388 #endif /* HAVE_OPENGL */ |
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389 |
| 0 | 390 } |
| 391 | |
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392 /* If we are setting video to use the palette make sure we have allocated memory for it */ |
| 0 | 393 if(bpp == 8) |
| 394 { | |
| 395 current->format->palette = malloc(sizeof(SDL_Palette)); | |
| 396 memset(current->format->palette, 0, sizeof(SDL_Palette)); | |
| 397 current->format->palette->ncolors = 256; | |
| 398 current->format->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); | |
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399 /* fill the palette */ |
| 0 | 400 rtnval = PgGetPalette(ph_palette); |
| 401 | |
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402 tempptr = (unsigned long *)current->format->palette->colors; |
| 0 | 403 |
| 404 for(i=0;i<256; i++) | |
| 405 { | |
| 406 *tempptr = (((unsigned long)ph_palette[i]) << 8); | |
| 407 tempptr++; | |
| 408 | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 | |
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413 /* Current window dimensions */ |
| 0 | 414 PtGetResource( window, Pt_ARG_DIM, &dim, 0 ); |
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415 |
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416 /* If we need to resize the window */ |
| 0 | 417 if((dim.w != width)||(dim.h != height)) |
| 418 { | |
| 419 dim.w=width; | |
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420 dim.h=height; |
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421 PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); |
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422 PtSetResources( window, 1, arg ); |
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423 current->w = width; |
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424 current->h = height; |
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425 current->format->BitsPerPixel = bpp; |
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426 current->format->BytesPerPixel = (bpp+7)/8; |
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427 current->pitch = SDL_CalculatePitch(current); |
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428 /* Must call at least once it setup image planes */ |
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429 ph_ResizeImage(this, current, flags); |
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430 } |
| 0 | 431 |
| 432 SDL_Unlock_EventThread(); | |
| 433 | |
| 434 /* We're done! */ | |
| 435 return(current); | |
| 436 } | |
| 437 | |
| 438 static void ph_VideoQuit(_THIS) | |
| 439 { | |
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440 ph_DestroyImage(this, SDL_VideoSurface); |
| 0 | 441 |
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442 if (currently_fullscreen) |
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443 { |
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444 PdDirectStop( directContext ); |
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445 PdReleaseDirectContext( directContext ); |
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446 directContext=0; |
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447 currently_fullscreen = 0; |
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448 } |
| 0 | 449 } |
| 450 | |
| 451 | |
| 452 static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 453 { | |
| 454 PgColor_t *in, *out; | |
| 455 int i, j; | |
| 456 int alloct_all = 1; | |
| 457 | |
| 458 colors = this->screen->format->palette->colors; | |
| 459 | |
| 460 in = alloca( ncolors*sizeof(PgColor_t) ); | |
| 461 if ( in == NULL ) { | |
| 462 return 0; | |
| 463 } | |
| 464 memset(in,0,ncolors*sizeof(PgColor_t)); | |
| 465 | |
| 466 out = alloca( ncolors*sizeof(PgColor_t) ); | |
| 467 if ( out == NULL ) { | |
| 468 return 0; | |
| 469 } | |
| 470 | |
| 471 for (i=0,j=firstcolor;i<ncolors;i++,j++) | |
| 472 { | |
| 473 in[i] |= colors[j].r<<16 ; | |
| 474 in[i] |= colors[j].g<<8 ; | |
| 475 in[i] |= colors[j].b ; | |
| 476 } | |
| 477 | |
| 478 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) | |
| 479 { | |
| 480 if( PgSetPalette( in, 0, 0, ncolors, Pg_PALSET_HARD, 0) < 0 ) | |
| 481 { | |
| 482 fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_HARD) failed\n"); | |
| 483 return 0; | |
| 484 } | |
| 485 } | |
| 486 else | |
| 487 { | |
| 488 if ( PgColorMatch(ncolors, in, out) < 0 ) | |
| 489 { | |
| 490 fprintf(stderr,"error: PgColorMatch failed\n"); | |
| 491 return 0; | |
| 492 } | |
| 493 for (i=0;i<ncolors;i++) | |
| 494 { | |
| 495 if (memcmp(&in[i],&out[i],sizeof(PgColor_t))) | |
| 496 { | |
| 497 alloct_all = 0; | |
| 498 break; | |
| 499 } | |
| 500 } | |
| 501 if( PgSetPalette( out, 0, 0, ncolors, Pg_PALSET_SOFT, 0) < 0 ) | |
| 502 { | |
| 503 fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_SOFT) failed\n"); | |
| 504 return 0; | |
| 505 } | |
| 506 } | |
| 507 return alloct_all; | |
| 508 } | |
| 509 | |
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510 #ifdef HAVE_OPENGL |
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511 void ph_GL_SwapBuffers(_THIS) |
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512 { |
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513 PgSetRegion(PtWidgetRid(window)); |
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514 PdOpenGLContextSwapBuffers(OGLContext); |
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515 } |
| 0 | 516 |
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517 int ph_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) |
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518 { |
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519 switch (attrib) |
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520 { |
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521 case SDL_GL_DOUBLEBUFFER: |
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522 *value=this->gl_config.double_buffer; |
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523 break; |
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524 case SDL_GL_STENCIL_SIZE: |
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525 *value=this->gl_config.stencil_size; |
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526 break; |
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527 case SDL_GL_DEPTH_SIZE: |
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528 *value=this->gl_config.depth_size; |
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529 break; |
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530 default: |
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531 *value=0; |
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532 return(-1); |
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533 } |
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534 return 0; |
| 0 | 535 } |
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536 |
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537 #endif /* HAVE_OPENGL */ |