Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_ph_video.c @ 279:04351f59b051
Mike Gorchak added some QNX tweaks, including OpenGL support
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 14 Feb 2002 02:15:15 +0000 |
| parents | c6abdda2f666 |
| children | 3d8b6b9f1e18 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 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 static void ph_GL_SwapBuffers(_THIS); |
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60 |
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61 #ifdef HAVE_OPENGL |
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62 PdOpenGLContext_t* OGLContext=NULL; |
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63 #endif /* HAVE_OPENGL */ |
| 0 | 64 |
| 65 static int ph_Available(void) | |
| 66 { | |
| 67 return 1; | |
| 68 } | |
| 69 | |
| 70 static SDL_VideoDevice *ph_CreateDevice(int devindex) | |
| 71 { | |
| 72 SDL_VideoDevice *device; | |
| 73 | |
| 74 /* Initialize all variables that we clean on shutdown */ | |
| 75 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 76 if ( device ) { | |
| 77 memset(device, 0, (sizeof *device)); | |
| 78 device->hidden = (struct SDL_PrivateVideoData *) | |
| 79 malloc((sizeof *device->hidden)); | |
| 80 device->gl_data = NULL; | |
| 81 } | |
| 82 if ( (device == NULL) || (device->hidden == NULL) ) { | |
| 83 SDL_OutOfMemory(); | |
| 84 ph_DeleteDevice(device); | |
| 85 return(0); | |
| 86 } | |
| 87 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 88 | |
| 89 /* Set the driver flags */ | |
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90 device->handles_any_size = 1; /* JB not true for fullscreen */ |
| 0 | 91 |
| 92 /* Set the function pointers */ | |
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93 device->CreateYUVOverlay = ph_CreateYUVOverlay; |
| 0 | 94 device->VideoInit = ph_VideoInit; |
| 95 device->ListModes = ph_ListModes; | |
| 96 device->SetVideoMode = ph_SetVideoMode; | |
| 97 device->ToggleFullScreen = ph_ToggleFullScreen; | |
| 98 device->UpdateMouse = NULL; | |
| 99 device->SetColors = ph_SetColors; | |
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100 device->UpdateRects = NULL; /* ph_ResizeImage; */ |
| 0 | 101 device->VideoQuit = ph_VideoQuit; |
| 102 device->AllocHWSurface = ph_AllocHWSurface; | |
| 103 device->CheckHWBlit = NULL; | |
| 104 device->FillHWRect = NULL; | |
| 105 device->SetHWColorKey = NULL; | |
| 106 device->SetHWAlpha = NULL; | |
| 107 device->LockHWSurface = ph_LockHWSurface; | |
| 108 device->UnlockHWSurface = ph_UnlockHWSurface; | |
| 109 device->FlipHWSurface = ph_FlipHWSurface; | |
| 110 device->FreeHWSurface = ph_FreeHWSurface; | |
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111 device->SetCaption = ph_SetCaption; |
| 0 | 112 device->SetIcon = NULL; |
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113 device->IconifyWindow = ph_IconifyWindow; |
| 0 | 114 device->GrabInput = NULL; |
| 115 device->GetWMInfo = NULL; | |
| 116 device->FreeWMCursor = ph_FreeWMCursor; | |
| 117 device->CreateWMCursor = ph_CreateWMCursor; | |
| 118 device->ShowWMCursor = ph_ShowWMCursor; | |
| 119 device->WarpWMCursor = ph_WarpWMCursor; | |
| 120 device->CheckMouseMode = ph_CheckMouseMode; | |
| 121 device->InitOSKeymap = ph_InitOSKeymap; | |
| 122 device->PumpEvents = ph_PumpEvents; | |
| 123 | |
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124 /* OpenGL support. */ |
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125 device->GL_LoadLibrary = NULL; |
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126 device->GL_GetProcAddress = NULL; |
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127 device->GL_GetAttribute = NULL; |
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128 device->GL_MakeCurrent = NULL; |
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129 #ifdef HAVE_OPENGL |
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130 device->GL_SwapBuffers = ph_GL_SwapBuffers; |
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131 #else |
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132 device->GL_SwapBuffers = NULL; |
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133 #endif /* HAVE_OPENGL */ |
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134 |
| 0 | 135 device->free = ph_DeleteDevice; |
| 136 | |
| 137 return device; | |
| 138 } | |
| 139 | |
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140 VideoBootStrap ph_bootstrap = { |
| 0 | 141 "photon", "QNX Photon video output", |
| 142 ph_Available, ph_CreateDevice | |
| 143 }; | |
| 144 | |
| 145 static void ph_DeleteDevice(SDL_VideoDevice *device) | |
| 146 { | |
| 147 | |
| 148 if ( device ) { | |
| 149 if ( device->hidden ) { | |
| 150 free(device->hidden); | |
| 151 device->hidden = NULL; | |
| 152 } | |
| 153 if ( device->gl_data ) { | |
| 154 free(device->gl_data); | |
| 155 device->gl_data = NULL; | |
| 156 } | |
| 157 free(device); | |
| 158 device = NULL; | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 163 { | |
| 164 PtArg_t arg[1]; | |
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165 PhDim_t dim; |
| 0 | 166 PgColor_t ph_palette[_Pg_MAX_PALETTE]; |
| 167 int i; | |
| 168 unsigned long *tempptr; | |
| 169 int rtnval; | |
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170 // PgDisplaySettings_t mysettings; |
| 0 | 171 PgVideoModeInfo_t my_mode_info; |
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172 PgHWCaps_t my_hwcaps; |
| 0 | 173 |
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174 if( NULL == ( event = malloc( EVENT_SIZE ) ) ) |
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175 exit( EXIT_FAILURE ); |
| 0 | 176 |
| 177 /* Create a widget 'window' to capture events */ | |
| 178 dim.w=0; //JB test320; | |
| 179 dim.h=0; //JB test240; | |
| 180 //We need to return BytesPerPixel as it in used by CreateRGBsurface | |
| 181 | |
| 182 PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); | |
| 183 | |
| 184 /* | |
| 185 PtSetArg(&arg[1], Pt_ARG_RESIZE_FLAGS, Pt_TRUE, Pt_RESIZE_XY_AS_REQUIRED); | |
| 186 PtSetArg(&arg[2], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | | |
| 187 Ph_WM_STATE_ISMAX | | |
| 188 Ph_WM_STATE_ISFOCUS); | |
| 189 | |
| 190 PtSetArg(&arg[3], Pt_ARG_WINDOW_RENDER_FLAGS,Pt_FALSE,~0); | |
| 191 PtSetArg(&arg[4], Pt_ARG_WINDOW_MANAGED_FLAGS,Pt_TRUE, | |
| 192 Ph_WM_FFRONT | | |
| 193 Ph_WM_CLOSE | | |
| 194 Ph_WM_TOFRONT | | |
| 195 Ph_WM_CONSWITCH); | |
| 196 */ | |
| 197 | |
| 198 | |
| 199 window=PtAppInit(NULL, NULL, NULL, 1, arg); | |
| 200 | |
| 201 if(window == NULL) | |
| 202 { | |
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203 printf("Photon application init failed, probably Photon is not running.\n"); |
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204 exit( EXIT_FAILURE ); |
| 0 | 205 } |
| 206 | |
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207 //PgSetDrawBufferSize(16 *1024); |
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208 PgSetRegion(PtWidgetRid(window)); |
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209 PgSetClipping(0,NULL); |
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210 PtRealizeWidget(window); |
| 0 | 211 |
| 212 | |
| 213 /* Get the available video modes */ | |
| 214 // if(ph_GetVideoModes(this) < 0) | |
| 215 // return -1; | |
| 216 | |
| 217 /* Create the blank cursor */ | |
| 218 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 219 (int)BLANK_CWIDTH, (int)BLANK_CHEIGHT, | |
| 220 (int)BLANK_CHOTX, (int)BLANK_CHOTY); | |
| 221 | |
| 222 if(SDL_BlankCursor == NULL) | |
| 223 printf("could not create blank cursor\n"); | |
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224 |
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225 if (PgGetGraphicsHWCaps(&my_hwcaps) < 0) |
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226 { |
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227 fprintf(stderr,"ph_VideoInit: GetGraphicsHWCaps failed!! \n"); |
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228 } |
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229 if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, &my_mode_info) < 0) |
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230 { |
| 0 | 231 fprintf(stderr,"ph_VideoInit: PgGetVideoModeInfo failed\n"); |
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232 } |
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233 |
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234 //We need to return BytesPerPixel as it in used by CreateRGBsurface |
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235 vformat->BitsPerPixel = my_mode_info.bits_per_pixel; |
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236 vformat->BytesPerPixel = my_mode_info.bytes_per_scanline/my_mode_info.width; |
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237 |
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238 //return a palette if we are in 256 color mode |
| 0 | 239 if(vformat->BitsPerPixel == 8) |
| 240 { | |
| 241 vformat->palette = malloc(sizeof(SDL_Palette)); | |
| 242 memset(vformat->palette, 0, sizeof(SDL_Palette)); | |
| 243 vformat->palette->ncolors = 256; | |
| 244 vformat->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); | |
| 245 | |
| 246 //fill the palette | |
| 247 rtnval = PgGetPalette(ph_palette); | |
| 248 if(rtnval < 0) | |
| 249 printf("ph_VideoInit: PgGetPalette failed\n"); | |
| 250 | |
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251 tempptr = (unsigned long *)vformat->palette->colors; |
| 0 | 252 |
| 253 for(i=0;i<256; i++) | |
| 254 { | |
| 255 *tempptr = (((unsigned long)ph_palette[i]) << 8); | |
| 256 tempptr++; | |
| 257 | |
| 258 } | |
| 259 | |
| 260 } | |
| 261 | |
| 262 | |
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263 currently_fullscreen = 0; |
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264 |
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265 this->info.wm_available = 1; |
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266 |
| 0 | 267 return 0; |
| 268 } | |
| 269 | |
| 270 static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, | |
| 271 int width, int height, int bpp, Uint32 flags) | |
| 272 { | |
| 273 PgDisplaySettings_t settings; | |
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274 /* |
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275 PgHWCaps_t my_hwcaps; |
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276 PgVideoModeInfo_t mode_info; |
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277 */ |
| 0 | 278 int mode, actual_width, actual_height; |
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279 PtArg_t arg[5]; |
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280 PhDim_t dim; |
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281 int rtnval; |
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282 PgColor_t ph_palette[_Pg_MAX_PALETTE]; |
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283 int i; |
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284 unsigned long *tempptr; |
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285 |
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286 #ifdef HAVE_OPENGL |
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287 uint64_t OGLAttrib[PH_OGL_MAX_ATTRIBS]; |
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288 #endif // HAVE_OPENGL |
| 0 | 289 |
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290 actual_width = width; |
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291 actual_height = height; |
| 0 | 292 |
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293 dim.w=width; |
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294 dim.h=height; |
| 0 | 295 |
| 296 /* Lock the event thread, in multi-threading environments */ | |
| 297 SDL_Lock_EventThread(); | |
| 298 | |
| 299 /* Initialize the window */ | |
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300 if (flags & SDL_FULLSCREEN) /* Direct Context , assume SDL_HWSURFACE also set */ |
| 0 | 301 { |
| 302 /* Get the video mode and set it */ | |
| 303 if (flags & SDL_ANYFORMAT) | |
| 304 { | |
| 305 if ((mode = get_mode_any_format(width, height, bpp)) == 0) | |
| 306 { | |
| 307 fprintf(stderr,"error: get_mode_any_format failed\n"); | |
| 308 exit(1); | |
| 309 } | |
| 310 } | |
| 311 else | |
| 312 { | |
| 313 if ((mode = get_mode(width, height, bpp)) == 0) | |
| 314 { | |
| 315 fprintf(stderr,"error: get_mode failed\n"); | |
| 316 exit(1); | |
| 317 } | |
| 318 | |
| 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 | |
| 330 /* Get the true height and width */ | |
| 331 | |
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332 current->flags = (flags|(~SDL_RESIZABLE)); /* no resize for Direct Context */ |
| 0 | 333 |
| 334 /* Begin direct mode */ | |
| 335 ph_EnterFullScreen(this); | |
| 336 | |
| 337 | |
| 338 | |
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339 } /* end fullscreen flag */ |
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340 else |
| 0 | 341 { |
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342 if (flags & SDL_HWSURFACE) /* Use offscreen memory iff SDL_HWSURFACE flag is set */ |
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343 { |
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344 /* Hardware surface is Offsceen Context. ph_ResizeImage handles the switch */ |
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345 current->flags = (flags|(~SDL_RESIZABLE)); /* no stretch blit in offscreen context */ |
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346 } |
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347 else /* must be SDL_SWSURFACE */ |
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348 { |
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349 current->flags = (flags|SDL_RESIZABLE); /* yes we can resize as this is a software surface */ |
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350 } |
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351 |
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352 #ifdef HAVE_OPENGL |
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353 if (flags & SDL_OPENGL) /* for now support OpenGL in window mode only */ |
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354 { |
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355 OGLAttrib[0]=PHOGL_ATTRIB_DEPTH_BITS; |
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356 OGLAttrib[1]=bpp; |
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357 OGLAttrib[2]=PHOGL_ATTRIB_NONE; |
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358 OGLContext=PdCreateOpenGLContext(2, &dim, 0, OGLAttrib); |
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359 if (OGLContext==NULL) |
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360 { |
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361 fprintf(stderr,"error: cannot create OpenGL context\n"); |
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362 exit(1); |
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363 } |
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364 PhDCSetCurrent(OGLContext); |
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365 } |
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366 #endif /* HAVE_OPENGL */ |
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367 |
| 0 | 368 } |
| 369 | |
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370 /* If we are setting video to use the palette make sure we have allocated memory for it */ |
| 0 | 371 if(bpp == 8) |
| 372 { | |
| 373 current->format->palette = malloc(sizeof(SDL_Palette)); | |
| 374 memset(current->format->palette, 0, sizeof(SDL_Palette)); | |
| 375 current->format->palette->ncolors = 256; | |
| 376 current->format->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); | |
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377 /* fill the palette */ |
| 0 | 378 rtnval = PgGetPalette(ph_palette); |
| 379 | |
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380 tempptr = (unsigned long *)current->format->palette->colors; |
| 0 | 381 |
| 382 for(i=0;i<256; i++) | |
| 383 { | |
| 384 *tempptr = (((unsigned long)ph_palette[i]) << 8); | |
| 385 tempptr++; | |
| 386 | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 | |
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391 /* Current window dimensions */ |
| 0 | 392 PtGetResource( window, Pt_ARG_DIM, &dim, 0 ); |
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393 |
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394 /* If we need to resize the window */ |
| 0 | 395 if((dim.w != width)||(dim.h != height)) |
| 396 { | |
| 397 dim.w=width; | |
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398 dim.h=height; |
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399 PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); |
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400 PtSetResources( window, 1, arg ); |
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401 current->w = width; |
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402 current->h = height; |
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403 current->format->BitsPerPixel = bpp; |
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404 current->format->BytesPerPixel = (bpp+7)/8; |
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405 current->pitch = SDL_CalculatePitch(current); |
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406 /* Must call at least once it setup image planes */ |
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407 ph_ResizeImage(this, current, flags); |
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408 } |
| 0 | 409 |
| 410 SDL_Unlock_EventThread(); | |
| 411 | |
| 412 /* We're done! */ | |
| 413 return(current); | |
| 414 } | |
| 415 | |
| 416 static void ph_VideoQuit(_THIS) | |
| 417 { | |
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418 if (SDL_Image != NULL) |
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419 { |
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420 ph_DestroyImage(this, SDL_VideoSurface); |
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421 } |
| 0 | 422 |
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423 if (currently_fullscreen) |
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424 { |
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425 PdDirectStop( directContext ); |
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426 PdReleaseDirectContext( directContext ); |
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427 directContext=0; |
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428 currently_fullscreen = 0; |
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429 } |
| 0 | 430 } |
| 431 | |
| 432 | |
| 433 static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 434 { | |
| 435 PgColor_t *in, *out; | |
| 436 int i, j; | |
| 437 int alloct_all = 1; | |
| 438 | |
| 439 colors = this->screen->format->palette->colors; | |
| 440 | |
| 441 in = alloca( ncolors*sizeof(PgColor_t) ); | |
| 442 if ( in == NULL ) { | |
| 443 return 0; | |
| 444 } | |
| 445 memset(in,0,ncolors*sizeof(PgColor_t)); | |
| 446 | |
| 447 out = alloca( ncolors*sizeof(PgColor_t) ); | |
| 448 if ( out == NULL ) { | |
| 449 return 0; | |
| 450 } | |
| 451 | |
| 452 for (i=0,j=firstcolor;i<ncolors;i++,j++) | |
| 453 { | |
| 454 in[i] |= colors[j].r<<16 ; | |
| 455 in[i] |= colors[j].g<<8 ; | |
| 456 in[i] |= colors[j].b ; | |
| 457 } | |
| 458 | |
| 459 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) | |
| 460 { | |
| 461 if( PgSetPalette( in, 0, 0, ncolors, Pg_PALSET_HARD, 0) < 0 ) | |
| 462 { | |
| 463 fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_HARD) failed\n"); | |
| 464 return 0; | |
| 465 } | |
| 466 } | |
| 467 else | |
| 468 { | |
| 469 if ( PgColorMatch(ncolors, in, out) < 0 ) | |
| 470 { | |
| 471 fprintf(stderr,"error: PgColorMatch failed\n"); | |
| 472 return 0; | |
| 473 } | |
| 474 for (i=0;i<ncolors;i++) | |
| 475 { | |
| 476 if (memcmp(&in[i],&out[i],sizeof(PgColor_t))) | |
| 477 { | |
| 478 alloct_all = 0; | |
| 479 break; | |
| 480 } | |
| 481 } | |
| 482 if( PgSetPalette( out, 0, 0, ncolors, Pg_PALSET_SOFT, 0) < 0 ) | |
| 483 { | |
| 484 fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_SOFT) failed\n"); | |
| 485 return 0; | |
| 486 } | |
| 487 } | |
| 488 return alloct_all; | |
| 489 } | |
| 490 | |
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491 #ifdef HAVE_OPENGL |
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492 void ph_GL_SwapBuffers(_THIS) |
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493 { |
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494 PgSetRegion(PtWidgetRid(window)); |
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495 PdOpenGLContextSwapBuffers(OGLContext); |
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496 } |
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497 #endif // HAVE_OPENGL |
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498 |
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499 /* |
| 0 | 500 static int ph_ResizeWindow(_THIS, |
| 501 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 502 { | |
| 503 PhWindowEvent_t winevent; | |
| 504 | |
| 505 memset( &winevent, 0, sizeof(winevent) ); | |
| 506 winevent.event_f = Ph_WM_RESIZE; | |
| 507 winevent.size.w = w; | |
| 508 winevent.size.h = h; | |
| 509 winevent.rid = PtWidgetRid( window ); | |
| 510 if (PtForwardWindowEvent( &winevent ) < 0) | |
| 511 { | |
| 512 fprintf(stderr,"error: PtForwardWindowEvent failed.\n"); | |
| 513 } | |
| 514 current_w = w; | |
| 515 current_h = h; | |
| 516 return(0); | |
| 517 } | |
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518 */ |