Mercurial > sdl-ios-xcode
annotate src/video/macdsp/SDL_dspvideo.c @ 3962:7cdb1d7fc93b SDL-1.2
Support for Gamma Ramps on Mac OS Classic in both the macrom and macdsp video
targets, thanks to Gregory Smith!
Fixes Bugzilla #431.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Fri, 15 Jun 2007 06:29:52 +0000 |
| parents | ab8297bf3768 |
| children | a1b03ba2fcd0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
|
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* | |
| 25 Written by Darrell Walisser <dwaliss1@purdue.edu> | |
| 26 | |
| 27 Implementation notes ---------------------------------------------------------------------- | |
| 28 | |
| 29 A bit on GWorlds in VRAM from technote 1182: | |
| 30 | |
| 31 There are two important things to note about GWorld's allocated in | |
| 32 VRAM. First, the base address retrieved through GetPixBaseAddr or | |
| 33 read directly from the PixMap structure can become invalid anytime | |
| 34 memory is allocated in VRAM. This can occur either by explicit | |
| 35 allocations, such as calls to NewGWorld, or by implicit ones, such as | |
| 36 those associated with the internal texture allocation of OpenGL. The | |
| 37 stored pixel images themselves will still be valid but may have been | |
| 38 moved in VRAM, thus rendering any stored base addresses invalid. | |
| 39 You should never store an image's base address for longer than is | |
| 40 necessary and especially never across calls to NewGWorld or | |
| 41 texture-creation routines. | |
| 42 | |
| 43 Secondly, an offscreen pixel image allocated in VRAM can be | |
| 44 purged at system task time by the display driver. This means any | |
| 45 time your application yields time such by calling WaitNextEvent or | |
| 46 SystemTask you can lose your VRAM GWorld contents. While this | |
| 47 happens infrequently, usually associated with display resolution or | |
| 48 pixel depth changes you must code for this eventuality. This purge | |
| 49 can occur whether or not the GWorld is locked or not. A return value | |
| 50 of false from LockPixels, a NULL return value from GetPixBaseAddr | |
| 51 or NULL in the baseAddr field of the PixMap mean that the pixel | |
| 52 image has been purged. To reallocate it you can either call | |
| 53 UpdateGWorld or Dispose your current GWorld through | |
| 54 DisposeGWorld and reallocate it via NewGWorld. Either way you must | |
| 55 then rebuild the pixel image. | |
| 56 | |
| 57 ------------------------------------------------------------------------------------ | |
| 58 | |
| 59 Currently, I don't account for (1). In my testing, NewGWorld never invalidated | |
| 60 other existing GWorlds in VRAM. However, I do have protection for (2). | |
| 61 Namely, I am using GetOSEvent() instead of WaitNextEvent() so that there are no | |
| 62 context switches (the app hogs the CPU). Eventually a book-keeping system should | |
| 63 be coded to take care of (1) and (2). | |
| 64 | |
| 65 ------------------------------------------------------------------------------------ | |
| 66 | |
| 67 System requirements (* denotes optional): | |
| 68 | |
| 69 1. DrawSprocket 1.7.3 | |
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70 2. *MacOS 9 or later (but *not* Mac OS X) for hardware accelerated blit / fill |
| 0 | 71 3. *May also require certain graphics hardware for (2). I trust that all Apple OEM |
| 72 hardware will work. Third party accelerators may work if they have QuickDraw | |
| 73 acceleration in the drivers and the drivers have been updated for OS 9. The current | |
| 74 Voodoo 3 drivers (1.0b12) do not work. | |
| 75 | |
| 76 Coding suggestions: | |
| 77 | |
| 78 1. Use SDL_UpdateRects ! | |
| 79 | |
| 80 If no QuickDraw acceleration is present, double-buffered surfaces will use a back buffer | |
| 81 in System memory. I recommend you use SDL_UpdateRects with double-buffered surfaces | |
| 82 for best performance on these cards, since the overhead is nearly zero for VRAM back buffer. | |
| 83 | |
| 84 2. Load most-resident surfaces first. | |
| 85 | |
| 86 If you fill up VRAM or AGP memory, there is no contingency for purging to make room for the next one. | |
| 87 Therefore, you should load the surfaces you plan to use the most frequently first. | |
| 88 Sooner or later, I will code LRU replacement to help this. | |
| 89 | |
| 90 TODO: | |
| 91 Some kind of posterized mode for resolutions < 640x480. | |
| 92 Window support / fullscreen toggle. | |
| 93 Figure out how much VRAM is available. Put in video->info->video_mem. | |
| 94 Track VRAM usage. | |
| 95 | |
| 96 BUGS: | |
| 97 I can't create a hardware surface the same size as the screen?! How to fix? | |
| 98 | |
| 99 | |
| 100 | |
| 101 COMPILE OPTIONS: | |
| 102 | |
| 103 DSP_TRY_CC_AND_AA - Define if you want to try HWA color-key and alpha blitters | |
| 104 HW color-key blitting gives substantial improvements, | |
| 105 but hw alpha is neck-and-neck with SDL's soft bitter. | |
| 106 | |
| 107 DSP_NO_SYNC_VBL - Define for HWA double-buffered surfaces: don't sync | |
| 108 pseudo-flip to monitor redraw. | |
| 109 | |
| 110 DSP_NO_SYNC_OPENGL - Define for OpenGL surfaces: don't sync buffer swap. Synching buffer | |
| 111 swap may result in reduced performance, but can eliminate some | |
| 112 tearing artifacts. | |
| 113 CHANGELOG: | |
| 114 09/17/00 Lots of little tweaks. Build modelist in reverse order so largest contexts | |
| 115 list first. Compared various methods with ROM methods and fixed rez switch | |
| 116 crashing bug in GL Tron. (Woohoo!) | |
| 117 */ | |
| 118 | |
| 119 #define DSP_TRY_CC_AND_AA | |
| 120 | |
| 121 /* #define DSP_NO_SYNC_VBL */ | |
| 122 | |
| 123 #define DSP_NO_SYNC_OPENGL | |
| 124 | |
| 125 | |
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126 #if defined(__APPLE__) && defined(__MACH__) |
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127 #include <Carbon/Carbon.h> |
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128 #include <DrawSprocket/DrawSprocket.h> |
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129 #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335) |
| 0 | 130 #include <Carbon.h> |
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131 #include <DrawSprocket.h> |
| 0 | 132 #else |
| 133 #include <LowMem.h> | |
| 134 #include <Gestalt.h> | |
| 135 #include <Devices.h> | |
| 136 #include <DiskInit.h> | |
| 137 #include <QDOffscreen.h> | |
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138 #include <DrawSprocket.h> |
| 0 | 139 #endif |
| 140 | |
| 141 #include "SDL_video.h" | |
| 142 #include "SDL_syswm.h" | |
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143 #include "../SDL_sysvideo.h" |
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144 #include "../SDL_blit.h" |
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145 #include "../SDL_pixels_c.h" |
| 0 | 146 #include "SDL_dspvideo.h" |
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147 #include "../maccommon/SDL_macgl_c.h" |
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148 #include "../maccommon/SDL_macwm_c.h" |
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149 #include "../maccommon/SDL_macmouse_c.h" |
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150 #include "../maccommon/SDL_macevents_c.h" |
| 0 | 151 |
| 152 /* Initialization/Query functions */ | |
| 153 static int DSp_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 154 static SDL_Rect **DSp_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 155 static SDL_Surface *DSp_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 156 static int DSp_SetColors(_THIS, int firstcolor, int ncolors, | |
| 157 SDL_Color *colors); | |
| 158 static int DSp_CreatePalette(_THIS); | |
| 159 static int DSp_DestroyPalette(_THIS); | |
| 160 static void DSp_VideoQuit(_THIS); | |
| 161 | |
| 162 static int DSp_GetMainDevice (_THIS, GDHandle *device); | |
| 163 static void DSp_IsHWAvailable (_THIS, SDL_PixelFormat *vformat); | |
| 164 static void DSp_DSpUpdate(_THIS, int numrects, SDL_Rect *sdl_rects); | |
| 165 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *sdl_rects); | |
| 166 | |
| 167 /* Hardware surface functions */ | |
| 168 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha); | |
| 169 static int DSp_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key); | |
| 170 static int DSp_NewHWSurface(_THIS, CGrafPtr *port, int depth, int width, int height); | |
| 171 static int DSp_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 172 static int DSp_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 173 static void DSp_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 174 static void DSp_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 175 static int DSp_FlipHWSurface(_THIS, SDL_Surface *surface); | |
| 176 static int DSp_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dest); | |
| 177 static int DSp_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, | |
| 178 SDL_Surface *dst, SDL_Rect *dstrect); | |
| 179 static int DSp_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | |
| 180 | |
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181 #if SDL_VIDEO_OPENGL |
| 0 | 182 static void DSp_GL_SwapBuffers (_THIS); |
| 183 #endif | |
| 184 | |
| 185 #if ! TARGET_API_MAC_CARBON | |
| 186 | |
| 187 #define GetPortPixRowBytes(x) ( (*(x->portPixMap))->rowBytes ) | |
| 188 #define GetGDevPixMap(x) ((**(x)).gdPMap) | |
| 189 #define GetPortPixMap(x) ((*(x)).portPixMap) | |
| 190 | |
| 191 #define GetPixDepth(y) ((**(y)).pixelSize) | |
| 192 //#define GetPixRowBytes(y) ((**(y)).rowBytes) | |
| 193 //#define GetPixBaseAddr(y) ((**(y)).baseAddr) | |
| 194 #define GetPixCTab(y) ((**(y)).pmTable) | |
| 195 #define GetPortBitMapForCopyBits(x) (&(((GrafPtr)(x))->portBits)) | |
| 196 | |
| 197 #else | |
| 198 #define GetPortPixRowBytes(x) (GetPixRowBytes(GetPortPixMap(x)) ) | |
| 199 #define GetGDevPixMap(x) ((**(x)).gdPMap) | |
| 200 | |
| 201 #endif | |
| 202 | |
| 203 typedef struct private_hwdata { | |
| 204 | |
| 205 GWorldPtr offscreen; // offscreen gworld in VRAM or AGP | |
| 206 | |
| 207 #ifdef DSP_TRY_CC_AND_AA | |
| 208 GWorldPtr mask; // transparent mask | |
| 209 RGBColor alpha; // alpha color | |
| 210 RGBColor trans; // transparent color | |
| 211 #endif | |
| 212 | |
| 213 } private_hwdata; | |
| 214 | |
| 215 typedef private_hwdata private_swdata ; /* have same fields */ | |
| 216 | |
| 217 /* Macintosh toolbox driver bootstrap functions */ | |
| 218 | |
| 219 static int DSp_Available(void) | |
| 220 { | |
| 221 /* Check for DrawSprocket */ | |
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222 #if ! TARGET_API_MAC_OSX |
| 0 | 223 /* This check is only meaningful if you weak-link DrawSprocketLib */ |
| 224 return ((Ptr)DSpStartup != (Ptr)kUnresolvedCFragSymbolAddress); | |
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225 #else |
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226 return 1; // DrawSprocket.framework doesn't have it all, but it's there |
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227 #endif |
| 0 | 228 } |
| 229 | |
| 230 static void DSp_DeleteDevice(SDL_VideoDevice *device) | |
| 231 { | |
| 232 /* -dw- taking no chances with null pointers */ | |
| 233 if (device) { | |
| 234 | |
| 235 if (device->hidden) { | |
| 236 | |
| 237 if (device->hidden->dspinfo) | |
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238 SDL_free(device->hidden->dspinfo); |
| 0 | 239 |
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240 SDL_free(device->hidden); |
| 0 | 241 } |
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242 SDL_free(device); |
| 0 | 243 } |
| 244 } | |
| 245 | |
| 246 static SDL_VideoDevice *DSp_CreateDevice(int devindex) | |
| 247 { | |
| 248 SDL_VideoDevice *device; | |
| 249 | |
| 250 /* Initialize all variables that we clean on shutdown */ | |
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251 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 0 | 252 if ( device ) { |
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253 SDL_memset(device, 0, sizeof (*device)); |
| 0 | 254 device->hidden = (struct SDL_PrivateVideoData *) |
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255 SDL_malloc((sizeof *device->hidden)); |
| 0 | 256 if (device->hidden) |
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257 SDL_memset(device->hidden, 0, sizeof ( *(device->hidden) ) ); |
| 0 | 258 } |
| 259 if ( (device == NULL) || (device->hidden == NULL) ) { | |
| 260 SDL_OutOfMemory(); | |
| 261 | |
| 262 if ( device ) { | |
| 263 | |
| 264 if (device->hidden) | |
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265 SDL_free(device->hidden); |
| 0 | 266 |
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267 SDL_free(device); |
| 0 | 268 } |
| 269 | |
| 270 return(NULL); | |
| 271 } | |
| 272 | |
| 273 /* Allocate DrawSprocket information */ | |
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274 device->hidden->dspinfo = (struct DSpInfo *)SDL_malloc( |
| 0 | 275 (sizeof *device->hidden->dspinfo)); |
| 276 if ( device->hidden->dspinfo == NULL ) { | |
| 277 SDL_OutOfMemory(); | |
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278 SDL_free(device->hidden); |
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279 SDL_free(device); |
| 0 | 280 return(0); |
| 281 } | |
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282 SDL_memset(device->hidden->dspinfo, 0, (sizeof *device->hidden->dspinfo)); |
| 0 | 283 |
| 284 /* Set the function pointers */ | |
| 285 device->VideoInit = DSp_VideoInit; | |
| 286 device->ListModes = DSp_ListModes; | |
| 287 device->SetVideoMode = DSp_SetVideoMode; | |
| 288 device->SetColors = DSp_SetColors; | |
| 289 device->UpdateRects = NULL; | |
| 290 device->VideoQuit = DSp_VideoQuit; | |
| 291 device->AllocHWSurface = DSp_AllocHWSurface; | |
| 292 device->CheckHWBlit = NULL; | |
| 293 device->FillHWRect = NULL; | |
| 294 device->SetHWColorKey = NULL; | |
| 295 device->SetHWAlpha = NULL; | |
| 296 device->LockHWSurface = DSp_LockHWSurface; | |
| 297 device->UnlockHWSurface = DSp_UnlockHWSurface; | |
| 298 device->FlipHWSurface = DSp_FlipHWSurface; | |
| 299 device->FreeHWSurface = DSp_FreeHWSurface; | |
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300 #if SDL_MACCLASSIC_GAMMA_SUPPORT |
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301 device->SetGammaRamp = Mac_SetGammaRamp; |
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302 device->GetGammaRamp = Mac_GetGammaRamp; |
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303 #endif |
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304 #if SDL_VIDEO_OPENGL |
| 0 | 305 device->GL_MakeCurrent = Mac_GL_MakeCurrent; |
| 306 device->GL_SwapBuffers = DSp_GL_SwapBuffers; | |
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307 device->GL_LoadLibrary = Mac_GL_LoadLibrary; |
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308 device->GL_GetProcAddress = Mac_GL_GetProcAddress; |
| 0 | 309 #endif |
| 310 device->SetCaption = NULL; | |
| 311 device->SetIcon = NULL; | |
| 312 device->IconifyWindow = NULL; | |
| 313 device->GrabInput = NULL; | |
| 314 device->GetWMInfo = NULL; | |
| 315 device->FreeWMCursor = Mac_FreeWMCursor; | |
| 316 device->CreateWMCursor = Mac_CreateWMCursor; | |
| 317 device->ShowWMCursor = Mac_ShowWMCursor; | |
| 318 device->WarpWMCursor = Mac_WarpWMCursor; | |
| 319 device->InitOSKeymap = Mac_InitOSKeymap; | |
| 320 device->PumpEvents = Mac_PumpEvents; | |
| 321 | |
| 322 device->GrabInput = NULL; | |
| 323 device->CheckMouseMode = NULL; | |
| 324 | |
| 325 device->free = DSp_DeleteDevice; | |
| 326 | |
| 327 return device; | |
| 328 } | |
| 329 | |
| 330 VideoBootStrap DSp_bootstrap = { | |
| 331 "DSp", "MacOS DrawSprocket", | |
| 332 DSp_Available, DSp_CreateDevice | |
| 333 }; | |
| 334 | |
| 335 /* Use DSp/Display Manager to build mode list for given screen */ | |
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336 static SDL_Rect** DSp_BuildModeList (const GDHandle gDevice, int *displayWidth, int *displayHeight) |
| 0 | 337 { |
| 338 DSpContextAttributes attributes; | |
| 339 DSpContextReference context; | |
| 340 DisplayIDType displayID; | |
| 341 SDL_Rect temp_list [16]; | |
| 342 SDL_Rect **mode_list; | |
| 343 int width, height, i, j; | |
| 344 | |
| 345 #if TARGET_API_MAC_OSX | |
| 346 | |
| 347 displayID = 0; | |
| 348 | |
| 349 #else | |
| 350 /* Ask Display Manager for integer id of screen device */ | |
| 351 if ( DMGetDisplayIDByGDevice (gDevice, &displayID, SDL_TRUE) != noErr ) { | |
| 352 return NULL; | |
| 353 } | |
| 354 #endif | |
| 355 /* Get the first possible DSp context on this device */ | |
| 356 if ( DSpGetFirstContext (displayID, &context) != noErr ) { | |
| 357 return NULL; | |
| 358 } | |
| 359 | |
| 360 if ( DSpContext_GetAttributes (context, &attributes) != noErr ) | |
| 361 return NULL; | |
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362 |
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363 *displayWidth = attributes.displayWidth; |
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364 *displayHeight = attributes.displayHeight; |
| 0 | 365 |
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366 for ( i = 0; i < SDL_arraysize(temp_list); i++ ) { |
| 0 | 367 width = attributes.displayWidth; |
| 368 height = attributes.displayHeight; | |
| 369 | |
| 370 temp_list [i].x = 0 | attributes.displayBestDepth; | |
| 371 temp_list [i].y = 0; | |
| 372 temp_list [i].w = width; | |
| 373 temp_list [i].h = height; | |
| 374 | |
| 375 /* DSp will report many different contexts with the same width and height. */ | |
| 376 /* They will differ in bit depth and refresh rate. */ | |
| 377 /* We will ignore them until we reach one with a different width/height */ | |
| 378 /* When there are no more contexts to look at, we will quit building the list*/ | |
| 379 while ( width == attributes.displayWidth && height == attributes.displayHeight ) { | |
| 380 | |
| 381 OSStatus err = DSpGetNextContext (context, &context); | |
| 382 if (err != noErr) | |
| 383 if (err == kDSpContextNotFoundErr) | |
| 384 goto done; | |
| 385 else | |
| 386 return NULL; | |
| 387 | |
| 388 if ( DSpContext_GetAttributes (context, &attributes) != noErr ) | |
| 389 return NULL; | |
| 390 | |
| 391 temp_list [i].x |= attributes.displayBestDepth; | |
| 392 } | |
| 393 } | |
| 394 done: | |
| 395 i++; /* i was not incremented before kicking out of the loop */ | |
| 396 | |
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397 mode_list = (SDL_Rect**) SDL_malloc (sizeof (SDL_Rect*) * (i+1)); |
| 0 | 398 if (mode_list) { |
| 399 | |
| 400 /* -dw- new stuff: build in reverse order so largest sizes list first */ | |
| 401 for (j = i-1; j >= 0; j--) { | |
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402 mode_list [j] = (SDL_Rect*) SDL_malloc (sizeof (SDL_Rect)); |
| 0 | 403 if (mode_list [j]) |
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404 SDL_memcpy (mode_list [j], &(temp_list [j]), sizeof (SDL_Rect)); |
| 0 | 405 else { |
| 406 SDL_OutOfMemory (); | |
| 407 return NULL; | |
| 408 } | |
| 409 } | |
| 410 mode_list [i] = NULL; /* append null to the end */ | |
| 411 } | |
| 412 else { | |
| 413 SDL_OutOfMemory (); | |
| 414 return NULL; | |
| 415 } | |
| 416 | |
| 417 return mode_list; | |
| 418 } | |
| 419 | |
| 420 static void DSp_IsHWAvailable (_THIS, SDL_PixelFormat *vformat) | |
| 421 { | |
| 422 /* | |
| 423 VRAM GWorlds are only available on OS 9 or later. | |
| 424 Even with OS 9, some display drivers won't support it, | |
| 425 so we create a test GWorld and check for errors. | |
| 426 */ | |
| 427 | |
| 428 long versionSystem; | |
| 429 | |
| 430 dsp_vram_available = SDL_FALSE; | |
| 431 dsp_agp_available = SDL_FALSE; | |
| 432 | |
| 433 Gestalt ('sysv', &versionSystem); | |
| 434 if (0x00000860 < (versionSystem & 0x0000FFFF)) { | |
| 435 | |
| 436 GWorldPtr offscreen; | |
| 437 OSStatus err; | |
| 438 Rect bounds; | |
| 439 | |
| 440 SetRect (&bounds, 0, 0, 320, 240); | |
| 441 | |
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442 #if useDistantHdwrMem && useLocalHdwrMem |
| 0 | 443 err = NewGWorld (&offscreen, vformat->BitsPerPixel, &bounds, NULL, SDL_Display, useDistantHdwrMem | noNewDevice); |
| 444 if (err == noErr) { | |
| 445 dsp_vram_available = SDL_TRUE; | |
| 446 DisposeGWorld (offscreen); | |
| 447 } | |
| 448 | |
| 449 err = NewGWorld (&offscreen, vformat->BitsPerPixel, &bounds, NULL, SDL_Display, useLocalHdwrMem | noNewDevice); | |
| 450 if (err == noErr) { | |
| 451 DisposeGWorld (offscreen); | |
| 452 dsp_agp_available = SDL_TRUE; | |
| 453 } | |
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454 #endif |
| 0 | 455 } |
| 456 } | |
| 457 | |
| 458 static int DSp_GetMainDevice (_THIS, GDHandle *device) | |
| 459 { | |
| 460 | |
| 461 #if TARGET_API_MAC_OSX | |
| 462 /* DSpUserSelectContext not available on OS X */ | |
| 463 *device = GetMainDevice(); | |
| 464 return 0; | |
| 465 #else | |
| 466 | |
| 467 DSpContextAttributes attrib; | |
| 468 DSpContextReference context; | |
| 469 DisplayIDType display_id; | |
| 470 GDHandle main_device; | |
| 471 GDHandle device_list; | |
| 472 | |
| 473 device_list = GetDeviceList (); | |
| 474 main_device = GetMainDevice (); | |
| 475 | |
| 476 /* Quick check to avoid slower method when only one display exists */ | |
| 477 if ( (**device_list).gdNextGD == NULL ) { | |
| 478 *device = main_device; | |
| 479 return 0; | |
| 480 } | |
| 481 | |
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482 SDL_memset (&attrib, 0, sizeof (DSpContextAttributes)); |
| 0 | 483 |
| 484 /* These attributes are hopefully supported on all devices...*/ | |
| 485 attrib.displayWidth = 640; | |
| 486 attrib.displayHeight = 480; | |
| 487 attrib.displayBestDepth = 8; | |
| 488 attrib.backBufferBestDepth = 8; | |
| 489 attrib.displayDepthMask = kDSpDepthMask_All; | |
| 490 attrib.backBufferDepthMask = kDSpDepthMask_All; | |
| 491 attrib.colorNeeds = kDSpColorNeeds_Require; | |
| 492 attrib.pageCount = 1; | |
| 493 | |
| 494 if (noErr != DMGetDisplayIDByGDevice (main_device, &display_id, SDL_FALSE)) { | |
| 495 SDL_SetError ("Display Manager couldn't associate GDevice with a Display ID"); | |
| 496 return (-1); | |
| 497 } | |
| 498 | |
| 499 /* Put up dialog on main display to select which display to use */ | |
| 500 if (noErr != DSpUserSelectContext (&attrib, display_id, NULL, &context)) { | |
| 501 SDL_SetError ("DrawSprocket couldn't create a context"); | |
| 502 return (-1); | |
| 503 } | |
| 504 | |
| 505 if (noErr != DSpContext_GetDisplayID (context, &display_id)) { | |
| 506 SDL_SetError ("DrawSprocket couldn't get display ID"); | |
| 507 return (-1); | |
| 508 } | |
| 509 | |
| 510 if (noErr != DMGetGDeviceByDisplayID (display_id, &main_device, SDL_FALSE)) { | |
| 511 SDL_SetError ("Display Manager couldn't associate Display ID with GDevice"); | |
| 512 return (-1); | |
| 513 } | |
| 514 | |
| 515 *device = main_device; | |
| 516 return (0); | |
| 517 #endif | |
| 518 } | |
| 519 | |
| 520 static int DSp_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 521 { | |
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522 NumVersion dsp_version = { 0x01, 0x00, 0x00, 0x00 }; |
| 0 | 523 |
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524 #if UNIVERSAL_INTERFACES_VERSION > 0x0320 |
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525 dsp_version = DSpGetVersion (); |
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526 #endif |
| 0 | 527 |
| 528 if ( (dsp_version.majorRev == 1 && dsp_version.minorAndBugRev < 0x73) || | |
| 529 (dsp_version.majorRev < 1) ) { | |
| 530 | |
| 531 /* StandardAlert (kAlertStopAlert, "\pError!", | |
| 532 "\pI need DrawSprocket 1.7.3 or later!\n" | |
| 533 "You can find a newer version at http://www.apple.com/swupdates.", | |
| 534 NULL, NULL); | |
| 535 */ | |
| 536 SDL_SetError ("DrawSprocket version is too old. Need 1.7.3 or later."); | |
| 537 return (-1); | |
| 538 } | |
| 539 | |
| 540 if ( DSpStartup () != noErr ) { | |
| 541 SDL_SetError ("DrawSprocket couldn't startup"); | |
| 542 return(-1); | |
| 543 } | |
| 544 | |
| 545 /* Start DSpintosh events */ | |
| 546 Mac_InitEvents(this); | |
| 547 | |
| 548 /* Get a handle to the main monitor, or choose one on multiple monitor setups */ | |
| 549 if ( DSp_GetMainDevice(this, &SDL_Display) < 0) | |
| 550 return (-1); | |
| 551 | |
| 552 /* Determine pixel format */ | |
| 553 vformat->BitsPerPixel = GetPixDepth ( (**SDL_Display).gdPMap ); | |
| 554 dsp_old_depth = vformat->BitsPerPixel; | |
| 555 | |
| 556 switch (vformat->BitsPerPixel) { | |
| 557 case 16: | |
| 558 vformat->Rmask = 0x00007c00; | |
| 559 vformat->Gmask = 0x000003e0; | |
| 560 vformat->Bmask = 0x0000001f; | |
| 561 break; | |
| 562 default: | |
| 563 break; | |
| 564 } | |
| 565 | |
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566 if ( DSp_CreatePalette (this) < 0 ) { |
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567 SDL_SetError ("Could not create palette"); |
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568 return (-1); |
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569 } |
| 0 | 570 |
| 571 /* Get a list of available fullscreen modes */ | |
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572 SDL_modelist = DSp_BuildModeList (SDL_Display, |
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573 &this->info.current_w, &this->info.current_h); |
| 0 | 574 if (SDL_modelist == NULL) { |
| 575 SDL_SetError ("DrawSprocket could not build a mode list"); | |
| 576 return (-1); | |
| 577 } | |
| 578 | |
| 579 /* Check for VRAM and AGP GWorlds for HW Blitting */ | |
| 580 DSp_IsHWAvailable (this, vformat); | |
| 581 | |
| 582 this->info.wm_available = 0; | |
| 583 | |
| 584 if (dsp_vram_available || dsp_agp_available) { | |
| 585 | |
| 586 this->info.hw_available = SDL_TRUE; | |
| 587 | |
| 588 this->CheckHWBlit = DSp_CheckHWBlit; | |
| 589 this->info.blit_hw = SDL_TRUE; | |
| 590 | |
| 591 this->FillHWRect = DSp_FillHWRect; | |
| 592 this->info.blit_fill = SDL_TRUE; | |
| 593 | |
| 594 #ifdef DSP_TRY_CC_AND_AA | |
| 595 this->SetHWColorKey = DSp_SetHWColorKey; | |
| 596 this->info.blit_hw_CC = SDL_TRUE; | |
| 597 | |
| 598 this->SetHWAlpha = DSp_SetHWAlpha; | |
| 599 this->info.blit_hw_A = SDL_TRUE; | |
| 600 #endif | |
| 601 | |
| 602 } | |
| 603 | |
| 604 return(0); | |
| 605 } | |
| 606 | |
| 607 static SDL_Rect **DSp_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 608 { | |
| 609 static SDL_Rect *dsp_modes[16]; | |
| 610 int i = 0, j = 0; | |
| 611 | |
| 612 if ( format->BitsPerPixel == 0 ) | |
| 613 return ( (SDL_Rect**) NULL ); | |
| 614 | |
| 615 while (SDL_modelist[i] != NULL) { | |
| 616 | |
| 617 if (SDL_modelist[i]->x & format->BitsPerPixel) { | |
| 618 dsp_modes[j] = SDL_modelist[i]; | |
| 619 j++; | |
| 620 } | |
| 621 i++; | |
| 622 } | |
| 623 | |
| 624 dsp_modes[j] = NULL; | |
| 625 | |
| 626 return dsp_modes; | |
| 627 } | |
| 628 | |
| 629 /* Various screen update functions available */ | |
| 630 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 631 | |
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632 #if ! TARGET_API_MAC_OSX |
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633 |
| 0 | 634 static volatile unsigned int retrace_count = 0; /* -dw- need volatile because it updates asychronously */ |
| 635 | |
| 636 Boolean DSp_VBLProc ( DSpContextReference context, void *ref_con ) | |
| 637 { | |
| 638 retrace_count++; | |
| 639 | |
| 640 return 1; /* Darrell, is this right? */ | |
| 641 } | |
| 642 | |
| 643 static void DSp_SetHWError (OSStatus err, int is_agp) | |
| 644 { | |
| 645 char message[1024]; | |
| 646 const char *fmt, *mem; | |
| 647 | |
| 648 if ( is_agp ) { | |
| 649 mem = "AGP Memory"; | |
| 650 } else { | |
| 651 mem = "VRAM"; | |
| 652 } | |
| 653 switch(err) { | |
| 654 case memFullErr: | |
| 655 fmt = "Hardware surface possible but not enough %s available"; | |
| 656 break; | |
| 657 case cDepthErr: | |
| 658 fmt = "Hardware surface possible but invalid color depth"; | |
| 659 break; | |
| 660 default: | |
| 661 fmt = "Hardware surface could not be allocated in %s - unknown error"; | |
| 662 break; | |
| 663 } | |
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664 SDL_snprintf(message, SDL_arraysize(message), fmt, mem); |
| 0 | 665 SDL_SetError(message); |
| 666 } | |
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667 #endif // TARGET_API_MAC_OSX |
| 0 | 668 |
| 669 /* put up a dialog to verify display change */ | |
| 670 static int DSp_ConfirmSwitch () { | |
| 671 | |
| 672 /* resource id's for dialog */ | |
| 673 const int rDialog = 1002; | |
| 674 const int bCancel = 1; | |
| 675 const int bOK = 2; | |
| 676 | |
| 677 DialogPtr dialog; | |
| 678 OSStatus err; | |
| 679 SInt32 response; | |
| 680 DialogItemIndex item = 0; | |
| 681 GrafPtr savePort; | |
| 682 | |
| 683 GetPort (&savePort); | |
| 684 | |
| 685 dialog = GetNewDialog (rDialog, NULL, (WindowPtr) -1); | |
| 686 if (dialog == NULL) | |
| 687 return (0); | |
| 688 | |
| 1811 | 689 #if TARGET_API_MAC_CARBON |
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690 SetPort (GetDialogPort(dialog)); |
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691 #else |
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692 SetPort ((WindowPtr) dialog); |
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693 #endif |
| 0 | 694 |
| 695 SetDialogDefaultItem (dialog, bCancel); | |
| 696 SetDialogCancelItem (dialog, bCancel); | |
| 697 | |
| 698 SetEventMask (everyEvent); | |
| 699 FlushEvents (everyEvent, 0); | |
| 700 | |
| 701 /* On MacOS 8.5 or later, we can make the dialog go away after 15 seconds */ | |
| 702 /* This is good since it's possible user can't even see the dialog! */ | |
| 703 /* Requires linking to DialogsLib */ | |
| 704 err = Gestalt(gestaltSystemVersion,&response); | |
| 705 if (err == noErr && response >= 0x00000850) { | |
| 706 SetDialogTimeout(dialog, bCancel, 15); | |
| 707 } | |
| 708 | |
| 709 do { | |
| 710 | |
| 711 ModalDialog ( NULL, &item ); | |
| 712 | |
| 713 } while ( item != bCancel && item != bOK && err != noErr); | |
| 714 | |
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715 |
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716 DisposeDialog (dialog); |
| 0 | 717 SetPort (savePort); |
| 718 | |
| 719 SetEventMask(everyEvent - autoKeyMask); | |
| 720 FlushEvents(everyEvent, 0); | |
| 721 | |
| 722 return (item - 1); | |
| 723 } | |
| 724 | |
| 725 static void DSp_UnsetVideoMode(_THIS, SDL_Surface *current) | |
| 726 { | |
| 727 | |
| 728 | |
| 729 if ( current->flags & SDL_OPENGL ) { | |
| 730 Mac_GL_Quit (this); | |
| 731 } | |
| 732 | |
| 733 if (dsp_context != NULL) { | |
| 734 | |
| 735 GWorldPtr front; | |
| 736 DSpContext_GetFrontBuffer (dsp_context, &front); | |
| 737 | |
| 738 if (front != dsp_back_buffer) | |
| 739 DisposeGWorld (dsp_back_buffer); | |
| 740 | |
| 741 if (current->hwdata) | |
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742 SDL_free(current->hwdata); |
| 0 | 743 |
| 744 DSpContext_SetState (dsp_context, kDSpContextState_Inactive ); | |
| 745 DSpContext_Release (dsp_context); | |
| 746 | |
| 747 dsp_context = NULL; | |
| 748 } | |
| 749 | |
| 750 if (SDL_Window != NULL) { | |
| 751 DisposeWindow (SDL_Window); | |
| 752 SDL_Window = NULL; | |
| 753 } | |
| 754 | |
| 755 current->pixels = NULL; | |
| 756 current->flags = 0; | |
| 757 } | |
| 758 | |
| 759 static SDL_Surface *DSp_SetVideoMode(_THIS, | |
| 760 SDL_Surface *current, int width, int height, int bpp, Uint32 flags) | |
| 761 { | |
| 762 | |
|
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763 #if !TARGET_API_MAC_OSX |
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764 DisplayIDType display_id; |
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765 Fixed freq; |
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766 #endif |
| 0 | 767 DSpContextAttributes attrib; |
| 768 OSStatus err; | |
| 769 UInt32 rmask = 0, gmask = 0, bmask = 0; | |
| 770 | |
| 771 int page_count; | |
| 772 int double_buf; | |
| 773 int hw_surface; | |
| 774 int use_dsp_back_buffer; | |
| 775 | |
| 776 DSp_UnsetVideoMode (this, current); | |
| 777 | |
| 778 if (bpp != dsp_old_depth) | |
| 779 DSp_DestroyPalette (this); | |
| 780 | |
| 781 double_buf = (flags & SDL_DOUBLEBUF) != 0; | |
| 782 hw_surface = (flags & SDL_HWSURFACE) != 0; | |
| 783 use_dsp_back_buffer = !dsp_vram_available || !hw_surface ; | |
| 784 | |
| 785 current->flags |= SDL_FULLSCREEN; | |
| 786 | |
| 787 rebuild: | |
| 788 | |
| 789 if ( double_buf && use_dsp_back_buffer ) { | |
| 790 page_count = 2; | |
| 791 } else { | |
| 792 page_count = 1; | |
| 793 } | |
| 794 | |
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795 SDL_memset (&attrib, 0, sizeof (DSpContextAttributes)); |
| 0 | 796 attrib.displayWidth = width; |
| 797 attrib.displayHeight = height; | |
| 798 attrib.displayBestDepth = bpp; | |
| 799 attrib.backBufferBestDepth = bpp; | |
| 800 attrib.displayDepthMask = kDSpDepthMask_All; | |
| 801 attrib.backBufferDepthMask = kDSpDepthMask_All; | |
| 802 attrib.colorNeeds = kDSpColorNeeds_Require; | |
| 803 attrib.colorTable = 0; | |
| 804 attrib.pageCount = page_count; | |
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805 #if TARGET_API_MAC_OSX || UNIVERSAL_INTERFACES_VERSION == 0x0320 |
| 0 | 806 |
| 807 if ( DSpFindBestContext (&attrib, &dsp_context) != noErr ) { | |
| 808 SDL_SetError ("DrawSprocket couldn't find a context"); | |
| 809 return NULL; | |
| 810 } | |
| 811 | |
| 812 #else | |
| 813 if ( noErr != DMGetDisplayIDByGDevice (SDL_Display, &display_id, SDL_FALSE) ) { | |
| 814 SDL_SetError ("Display Manager couldn't associate GDevice with display_id"); | |
| 815 return NULL; | |
| 816 } | |
|
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817 if ( DSpFindBestContextOnDisplayID(&attrib, &dsp_context, display_id) != noErr ) { |
| 0 | 818 SDL_SetError ("DrawSprocket couldn't find a suitable context on given display"); |
| 819 return NULL; | |
| 820 } | |
| 821 | |
| 822 #endif | |
| 823 if ( DSpContext_Reserve (dsp_context, &attrib) != noErr ) { | |
| 824 SDL_SetError ("DrawSprocket couldn't get the needed resources to build the display"); | |
| 825 return NULL; | |
| 826 } | |
| 827 | |
| 828 if ( (err = DSpContext_SetState (dsp_context, kDSpContextState_Active)) != noErr ) { | |
| 829 | |
| 830 if (err == kDSpConfirmSwitchWarning) { | |
| 831 | |
| 832 if ( ! DSp_ConfirmSwitch () ) { | |
| 833 | |
| 834 DSpContext_Release (dsp_context); | |
| 835 dsp_context = NULL; | |
| 836 SDL_SetError ("User cancelled display switch"); | |
| 837 return NULL; | |
| 838 } | |
| 839 else | |
| 840 /* Have to reactivate context. Why? */ | |
| 841 DSpContext_SetState (dsp_context, kDSpContextState_Active); | |
| 842 | |
| 843 } | |
| 844 else { | |
| 845 SDL_SetError ("DrawSprocket couldn't activate the context"); | |
| 846 return NULL; | |
| 847 } | |
| 848 } | |
| 849 | |
| 850 | |
| 851 if (bpp != dsp_old_depth) { | |
| 852 | |
| 853 DSp_CreatePalette (this); | |
| 854 | |
| 855 /* update format if display depth changed */ | |
| 856 if (bpp == 16) { | |
| 857 | |
| 858 rmask = 0x00007c00; | |
| 859 gmask = 0x000003e0; | |
| 860 bmask = 0x0000001f; | |
| 861 } | |
| 862 if ( ! SDL_ReallocFormat (current, bpp, rmask, gmask, bmask, 0 ) ) { | |
| 863 | |
| 864 SDL_SetError ("Could not reallocate video format."); | |
| 865 return(NULL); | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 if (!double_buf) { | |
| 870 | |
| 871 /* single-buffer context */ | |
| 872 DSpContext_GetFrontBuffer (dsp_context, &dsp_back_buffer); | |
| 873 | |
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874 current->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 875 if (current ->hwdata == NULL) { |
| 876 SDL_OutOfMemory (); | |
| 877 return NULL; | |
| 878 } | |
| 879 current->hwdata->offscreen = dsp_back_buffer; | |
| 880 current->flags |= SDL_HWSURFACE; | |
| 881 this->UpdateRects = DSp_DirectUpdate; | |
| 882 } | |
| 883 else if ( use_dsp_back_buffer ) { | |
| 884 | |
| 885 DSpContext_GetBackBuffer (dsp_context, kDSpBufferKind_Normal, &dsp_back_buffer); | |
| 886 | |
| 887 current->flags |= SDL_DOUBLEBUF | SDL_SWSURFACE; /* only front buffer is in VRAM */ | |
| 888 this->UpdateRects = DSp_DSpUpdate; | |
| 889 } | |
| 890 else if ( DSp_NewHWSurface(this, &dsp_back_buffer, bpp, width-1, height-1) == 0 ) { | |
| 891 | |
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892 current->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 893 if (current ->hwdata == NULL) { |
| 894 SDL_OutOfMemory (); | |
| 895 return NULL; | |
| 896 } | |
| 897 | |
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898 SDL_memset (current->hwdata, 0, sizeof (private_hwdata)); |
| 0 | 899 current->hwdata->offscreen = dsp_back_buffer; |
| 900 current->flags |= SDL_DOUBLEBUF | SDL_HWSURFACE; | |
| 901 this->UpdateRects = DSp_DirectUpdate; /* hardware doesn't do update rects, must be page-flipped */ | |
| 902 } | |
| 903 else { | |
| 904 | |
| 905 DSpContext_Release (dsp_context); | |
| 906 use_dsp_back_buffer = SDL_TRUE; | |
| 907 goto rebuild; | |
| 908 } | |
| 909 | |
| 910 current->pitch = GetPortPixRowBytes(dsp_back_buffer) & 0x3FFF; | |
| 911 current->pixels = GetPixBaseAddr(GetPortPixMap(dsp_back_buffer)); | |
| 912 | |
| 913 current->w = width; | |
| 914 current->h = height; | |
| 915 | |
| 916 #if ! TARGET_API_MAC_OSX | |
| 917 | |
| 918 if (use_dsp_back_buffer) { | |
| 919 | |
| 920 DSpContext_GetMonitorFrequency (dsp_context, &freq); | |
| 921 DSpContext_SetMaxFrameRate (dsp_context, freq >> 16); | |
| 922 } | |
| 923 | |
| 924 | |
| 925 if ( (current->flags & SDL_HWSURFACE) || (current->flags & SDL_OPENGL) ) | |
| 926 DSpContext_SetVBLProc (dsp_context, DSp_VBLProc, NULL); | |
| 927 #endif | |
| 928 | |
| 929 if (bpp == 8) | |
| 930 current->flags |= SDL_HWPALETTE; | |
| 931 | |
| 932 if (flags & SDL_OPENGL) { | |
| 933 | |
| 934 Rect rect; | |
| 935 RGBColor rgb = { 0.0, 0.0, 0.0 }; | |
| 936 GrafPtr save_port; | |
| 937 | |
| 938 SetRect (&rect, 0, 0, width, height); | |
| 939 SDL_Window = NewCWindow(nil, &( (**SDL_Display).gdRect), "\p", SDL_TRUE, plainDBox, (WindowPtr)-1, SDL_FALSE, 0); | |
| 940 | |
| 941 if (SDL_Window == NULL) { | |
| 942 | |
| 943 SDL_SetError ("DSp_SetVideoMode : OpenGL window could not be created."); | |
| 944 return NULL; | |
| 945 } | |
| 946 | |
| 947 /* Set window color to black to avoid white flash*/ | |
| 948 GetPort (&save_port); | |
|
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949 #if TARGET_API_MAC_CARBON |
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950 SetPort (GetWindowPort(SDL_Window)); |
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951 #else |
| 0 | 952 SetPort (SDL_Window); |
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953 #endif |
| 0 | 954 RGBForeColor (&rgb); |
| 955 PaintRect (&rect); | |
| 956 SetPort (save_port); | |
| 957 | |
| 958 SetPortWindowPort (SDL_Window); | |
| 959 SelectWindow (SDL_Window); | |
| 960 | |
| 961 if ( Mac_GL_Init (this) < 0 ) { | |
| 962 | |
| 963 SDL_SetError ("DSp_SetVideoMode : could not create OpenGL context."); | |
| 964 return NULL; | |
| 965 } | |
| 966 | |
| 967 current->flags |= SDL_OPENGL; | |
| 968 } | |
| 969 | |
| 970 return current; | |
| 971 } | |
| 972 | |
| 973 #ifdef DSP_TRY_CC_AND_AA | |
| 974 | |
| 975 static int DSp_MakeHWMask (_THIS, SDL_Surface *surface) | |
| 976 { | |
| 977 GDHandle save_device; | |
| 978 CGrafPtr save_port; | |
| 979 GWorldPtr temp; | |
| 980 RGBColor black = { 0, 0, 0 }; | |
| 981 RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF }; | |
| 982 Rect rect; | |
| 983 | |
| 984 Uint32 depth = GetPixDepth ( GetGDevPixMap (SDL_Display) ); | |
| 985 | |
| 986 SetRect (&rect, 0, 0, surface->w, surface->h); | |
| 987 | |
| 988 if ( noErr != NewGWorld (&(surface->hwdata->mask), depth, &rect, 0, SDL_Display, 0 ) < 0 ) { | |
| 989 | |
| 990 SDL_OutOfMemory (); | |
| 991 return (-1); | |
| 992 } | |
| 993 | |
| 994 if ( noErr != NewGWorld (&temp, depth, &rect, 0 , SDL_Display, 0 ) ) { | |
| 995 | |
| 996 SDL_OutOfMemory (); | |
| 997 return (-1); | |
| 998 } | |
| 999 | |
| 1000 | |
| 1001 GetGWorld (&save_port, &save_device); | |
| 1002 SetGWorld (surface->hwdata->mask, SDL_Display); | |
| 1003 | |
| 1004 RGBForeColor (&white); | |
| 1005 PaintRect (&rect); | |
| 1006 | |
| 1007 RGBBackColor (&(surface->hwdata->trans)); | |
| 1008 | |
| 1009 CopyBits ( GetPortBitMapForCopyBits(surface->hwdata->offscreen), | |
| 1010 GetPortBitMapForCopyBits(surface->hwdata->mask), | |
| 1011 &rect, &rect, transparent, NULL ); | |
| 1012 | |
| 1013 SetGWorld (surface->hwdata->mask, SDL_Display); | |
| 1014 SetGWorld (save_port, save_device); | |
| 1015 return (0); | |
| 1016 } | |
| 1017 | |
| 1018 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha) | |
| 1019 { | |
| 1020 surface->hwdata->alpha.red = (alpha / 255.0) * 65535; | |
| 1021 surface->hwdata->alpha.blue = (alpha / 255.0) * 65535; | |
| 1022 surface->hwdata->alpha.green = (alpha / 255.0) * 65535; | |
| 1023 | |
| 1024 surface->flags |= SDL_SRCALPHA; | |
| 1025 | |
| 1026 if (surface->flags & SDL_SRCCOLORKEY) { | |
| 1027 return(DSp_MakeHWMask (this, surface)); | |
| 1028 } | |
| 1029 return(0); | |
| 1030 } | |
| 1031 | |
| 1032 static int DSp_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key) | |
| 1033 { | |
| 1034 CGrafPtr save_port; | |
| 1035 GDHandle save_device; | |
| 1036 | |
| 1037 GetGWorld (&save_port, &save_device); | |
| 1038 SetGWorld (surface->hwdata->offscreen, NULL); | |
| 1039 | |
| 1040 Index2Color (key, &(surface->hwdata->trans)); | |
| 1041 surface->flags |= SDL_SRCCOLORKEY; | |
| 1042 | |
| 1043 SetGWorld (save_port, save_device); | |
| 1044 | |
| 1045 if ( surface->flags & SDL_SRCALPHA ) { | |
| 1046 return(DSp_MakeHWMask (this, surface)); | |
| 1047 } | |
| 1048 return(0); | |
| 1049 } | |
| 1050 | |
| 1051 #endif /* DSP_TRY_CC_AND_AA */ | |
| 1052 | |
| 1053 static int DSp_NewHWSurface(_THIS, CGrafPtr *port, int depth, int width, int height) { | |
| 1054 | |
| 1055 OSStatus err; | |
| 1056 Rect bounds; | |
| 1057 | |
| 1058 SetRect (&bounds, 0, 0, width, height); | |
| 1059 | |
|
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|
1060 #if useDistantHdwrMem && useLocalHdwrMem |
| 0 | 1061 if (dsp_vram_available) { |
| 1062 /* try VRAM */ | |
| 1063 err = NewGWorld (port, depth, &bounds, 0 , SDL_Display, useDistantHdwrMem | noNewDevice ); | |
| 1064 if (err != noErr) | |
| 1065 DSp_SetHWError (err, SDL_FALSE); | |
| 1066 else | |
| 1067 return (0); | |
| 1068 } | |
| 1069 | |
| 1070 if (dsp_agp_available) { | |
| 1071 /* try AGP */ | |
| 1072 err = NewGWorld (port, depth, &bounds, 0 , SDL_Display, useLocalHdwrMem | noNewDevice ); | |
| 1073 | |
| 1074 if (err != noErr) | |
| 1075 DSp_SetHWError (err, SDL_TRUE); | |
| 1076 else | |
| 1077 return (0); | |
| 1078 } | |
|
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1079 #endif |
| 0 | 1080 |
| 1081 return (-1); | |
| 1082 } | |
| 1083 | |
| 1084 static int DSp_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 1085 { | |
| 1086 GWorldPtr temp; | |
| 1087 | |
| 1088 if ( DSp_NewHWSurface (this, &temp, surface->format->BitsPerPixel, surface->w, surface->h) < 0 ) | |
| 1089 return (-1); | |
| 1090 | |
|
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1091 surface->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 1092 if (surface->hwdata == NULL) { |
| 1093 SDL_OutOfMemory (); | |
| 1094 return -1; | |
| 1095 } | |
| 1096 | |
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1097 SDL_memset (surface->hwdata, 0, sizeof(private_hwdata)); |
| 0 | 1098 surface->hwdata->offscreen = temp; |
| 1099 surface->pitch = GetPixRowBytes (GetPortPixMap (temp)) & 0x3FFF; | |
| 1100 surface->pixels = GetPixBaseAddr (GetPortPixMap (temp)); | |
| 1101 surface->flags |= SDL_HWSURFACE; | |
| 1102 #ifdef DSP_TRY_CC_AND_AA | |
| 1103 surface->flags |= SDL_HWACCEL; | |
| 1104 #endif | |
| 1105 return 0; | |
| 1106 } | |
| 1107 | |
| 1108 static void DSp_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 1109 { | |
| 1110 if (surface->hwdata->offscreen != NULL) | |
| 1111 DisposeGWorld (surface->hwdata->offscreen); | |
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1112 SDL_free(surface->hwdata); |
| 0 | 1113 |
| 1114 surface->pixels = NULL; | |
| 1115 } | |
| 1116 | |
| 1117 static int DSp_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dest) | |
| 1118 { | |
| 1119 int accelerated; | |
| 1120 | |
| 1121 /* Set initial acceleration on */ | |
| 1122 src->flags |= SDL_HWACCEL; | |
| 1123 | |
| 1124 /* Set the surface attributes */ | |
| 1125 if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { | |
| 1126 if ( ! this->info.blit_hw_A ) { | |
| 1127 src->flags &= ~SDL_HWACCEL; | |
| 1128 } | |
| 1129 } | |
| 1130 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { | |
| 1131 if ( ! this->info.blit_hw_CC ) { | |
| 1132 src->flags &= ~SDL_HWACCEL; | |
| 1133 } | |
| 1134 } | |
| 1135 | |
| 1136 /* Check to see if final surface blit is accelerated */ | |
| 1137 accelerated = !!(src->flags & SDL_HWACCEL); | |
| 1138 if ( accelerated ) { | |
| 1139 src->map->hw_blit = DSp_HWAccelBlit; | |
| 1140 } | |
| 1141 return(accelerated); | |
| 1142 } | |
| 1143 | |
| 1144 static int DSp_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, | |
| 1145 SDL_Surface *dst, SDL_Rect *dstrect) | |
| 1146 { | |
| 1147 CGrafPtr save_port; | |
| 1148 GDHandle save_device; | |
| 1149 Rect src_rect, dst_rect; | |
| 1150 RGBColor black = { 0, 0, 0 }; | |
| 1151 RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF }; | |
| 1152 | |
| 1153 #ifdef DSP_TRY_CC_AND_AA | |
| 1154 UInt32 mode; | |
| 1155 #endif | |
| 1156 | |
| 1157 SetRect (&src_rect, srcrect->x, srcrect->y, srcrect->x + srcrect->w, srcrect->y + srcrect->h); | |
| 1158 SetRect (&dst_rect, dstrect->x, dstrect->y, dstrect->x + dstrect->w, dstrect->y + dstrect->h); | |
| 1159 | |
| 1160 GetGWorld (&save_port, &save_device); | |
| 1161 SetGWorld (dst->hwdata->offscreen, NULL); | |
| 1162 | |
| 1163 RGBForeColor (&black); | |
| 1164 RGBBackColor (&white); | |
| 1165 | |
| 1166 #ifdef DSP_TRY_CC_AND_AA | |
| 1167 | |
| 1168 if ( (src->flags & SDL_SRCCOLORKEY) && | |
| 1169 (src->flags & SDL_SRCALPHA) ) { | |
| 1170 | |
| 1171 OpColor (&(src->hwdata->alpha)); | |
| 1172 | |
| 1173 CopyDeepMask ( GetPortBitMapForCopyBits(src->hwdata->offscreen), | |
| 1174 GetPortBitMapForCopyBits(src->hwdata->mask), | |
| 1175 GetPortBitMapForCopyBits(dst->hwdata->offscreen), | |
| 1176 &src_rect, &src_rect, &dst_rect, | |
| 1177 blend, | |
| 1178 NULL ); | |
| 1179 } | |
| 1180 else { | |
| 1181 | |
| 1182 if ( src->flags & SDL_SRCCOLORKEY) { | |
| 1183 RGBBackColor (&(src->hwdata->trans) ); | |
| 1184 mode = transparent; | |
| 1185 } | |
| 1186 else if (src->flags & SDL_SRCALPHA) { | |
| 1187 | |
| 1188 OpColor (&(src->hwdata->alpha)); | |
| 1189 mode = blend; | |
| 1190 } | |
| 1191 else { | |
| 1192 | |
| 1193 mode = srcCopy; | |
| 1194 } | |
| 1195 | |
| 1196 CopyBits ( GetPortBitMapForCopyBits(src->hwdata->offscreen), | |
| 1197 GetPortBitMapForCopyBits(dst->hwdata->offscreen), | |
| 1198 &src_rect, &dst_rect, mode, NULL ); | |
| 1199 } | |
| 1200 #else | |
| 1201 | |
| 1202 CopyBits ( &(((GrafPtr)(src->hwdata->offscreen))->portBits), | |
| 1203 &(((GrafPtr)(dst->hwdata->offscreen))->portBits), | |
| 1204 &src_rect, &dst_rect, srcCopy, NULL ); | |
| 1205 | |
| 1206 #endif /* DSP_TRY_CC_AND_AA */ | |
| 1207 | |
| 1208 SetGWorld (save_port, save_device); | |
| 1209 | |
| 1210 return(0); | |
| 1211 } | |
| 1212 | |
| 1213 static int DSp_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) | |
| 1214 { | |
| 1215 CGrafPtr save_port; | |
| 1216 GDHandle save_device; | |
| 1217 Rect fill_rect; | |
| 1218 RGBColor rgb; | |
| 1219 | |
| 1220 SetRect (&fill_rect, rect->x, rect->y, rect->x + rect->w, rect->y + rect->h); | |
| 1221 | |
| 1222 GetGWorld (&save_port, &save_device); | |
| 1223 SetGWorld (dst->hwdata->offscreen, NULL); | |
| 1224 | |
| 1225 Index2Color (color, &rgb); | |
| 1226 | |
| 1227 RGBForeColor (&rgb); | |
| 1228 PaintRect (&fill_rect); | |
| 1229 | |
| 1230 SetGWorld (save_port, save_device); | |
| 1231 | |
| 1232 return(0); | |
| 1233 } | |
| 1234 | |
| 1235 static int DSp_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 1236 { | |
| 1237 if ( (surface->flags & SDL_HWSURFACE) ) { | |
| 1238 CGrafPtr dsp_front_buffer, save_port; | |
| 1239 Rect rect; | |
| 1240 | |
|
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1241 #if ! TARGET_API_MAC_OSX |
| 0 | 1242 unsigned int old_count; |
|
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1243 #endif |
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1244 |
| 0 | 1245 /* pseudo page flipping for VRAM back buffer*/ |
| 1246 DSpContext_GetFrontBuffer (dsp_context, &dsp_front_buffer); | |
| 1247 SetRect (&rect, 0, 0, surface->w-1, surface->h-1); | |
| 1248 | |
| 1249 GetPort ((GrafPtr *)&save_port); | |
| 1250 SetPort ((GrafPtr)dsp_front_buffer); | |
| 1251 | |
| 1252 /* wait for retrace */ | |
| 1253 /* I have tried doing the swap in interrupt routine (VBL Proc) to do */ | |
| 1254 /* it asynchronously, but apparently CopyBits isn't interrupt safe */ | |
| 1255 | |
| 1256 #if ! TARGET_API_MAC_OSX | |
| 1257 #ifndef DSP_NO_SYNC_VBL | |
| 1258 old_count = retrace_count; | |
| 1259 while (old_count == retrace_count) | |
| 1260 ; | |
| 1261 #endif | |
| 1262 #endif | |
| 1263 | |
| 1264 CopyBits ( GetPortBitMapForCopyBits(dsp_back_buffer), | |
| 1265 GetPortBitMapForCopyBits(dsp_front_buffer), | |
| 1266 &rect, &rect, srcCopy, NULL ); | |
| 1267 | |
| 1268 SetPort ((GrafPtr)save_port); | |
| 1269 | |
| 1270 } else { | |
| 1271 /* not really page flipping at all: DSp just blits the dirty rectangles from DSp_UpdateRects */ | |
| 1272 Boolean busy_flag; | |
| 1273 DSpContext_SwapBuffers (dsp_context, NULL, &busy_flag); /* this waits for VBL */ | |
| 1274 DSpContext_GetBackBuffer (dsp_context, kDSpBufferKind_Normal, &dsp_back_buffer); | |
| 1275 surface->pixels = GetPixBaseAddr( GetPortPixMap(dsp_back_buffer) ); | |
| 1276 } | |
| 1277 return(0); | |
| 1278 } | |
| 1279 | |
| 1280 static int DSp_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 1281 { | |
| 1282 if ( LockPixels (GetGWorldPixMap (surface->hwdata->offscreen)) ) | |
| 1283 return 0; | |
| 1284 else | |
| 1285 return -1; | |
| 1286 } | |
| 1287 | |
| 1288 static void DSp_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 1289 { | |
| 1290 UnlockPixels (GetGWorldPixMap (surface->hwdata->offscreen)); | |
| 1291 } | |
| 1292 | |
| 1293 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *sdl_rects) | |
| 1294 { | |
| 1295 return; | |
| 1296 } | |
| 1297 | |
| 1298 static void DSp_DSpUpdate(_THIS, int numrects, SDL_Rect *sdl_rects) | |
| 1299 { | |
| 1300 #if ! TARGET_API_MAC_OSX /* Unsupported DSp in here */ | |
| 1301 int i; | |
| 1302 Rect rect; | |
| 1303 | |
| 1304 for (i = 0; i < numrects; i++) { | |
| 1305 | |
| 1306 rect.top = sdl_rects[i].y; | |
| 1307 rect.left = sdl_rects[i].x; | |
| 1308 rect.bottom = sdl_rects[i].h + sdl_rects[i].y; | |
| 1309 rect.right = sdl_rects[i].w + sdl_rects[i].x; | |
| 1310 | |
| 1311 DSpContext_InvalBackBufferRect (dsp_context, &rect); | |
| 1312 } | |
| 1313 #endif | |
| 1314 } | |
| 1315 | |
| 1316 static int DSp_CreatePalette(_THIS) { | |
| 1317 | |
| 1318 | |
| 1319 /* Create our palette */ | |
| 1320 SDL_CTab = (CTabHandle)NewHandle(sizeof(ColorSpec)*256 + 8); | |
| 1321 if ( SDL_CTab == nil ) { | |
| 1322 SDL_OutOfMemory(); | |
| 1323 return(-1); | |
| 1324 } | |
| 1325 (**SDL_CTab).ctSeed = GetCTSeed(); | |
| 1326 (**SDL_CTab).ctFlags = 0; | |
| 1327 (**SDL_CTab).ctSize = 255; | |
| 1328 CTabChanged(SDL_CTab); | |
| 1329 SDL_CPal = NewPalette(256, SDL_CTab, pmExplicit+pmTolerant, 0); | |
| 1330 | |
| 1331 return 0; | |
| 1332 } | |
| 1333 | |
| 1334 static int DSp_DestroyPalette(_THIS) { | |
| 1335 | |
| 1336 /* Free palette and restore original one */ | |
| 1337 if ( SDL_CTab != nil ) { | |
| 1338 DisposeHandle((Handle)SDL_CTab); | |
| 1339 SDL_CTab = nil; | |
| 1340 } | |
| 1341 if ( SDL_CPal != nil ) { | |
| 1342 DisposePalette(SDL_CPal); | |
| 1343 SDL_CPal = nil; | |
| 1344 } | |
| 1345 RestoreDeviceClut(SDL_Display); | |
| 1346 | |
| 1347 return (0); | |
| 1348 } | |
| 1349 | |
| 1350 static int DSp_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1351 { | |
| 1352 CTabHandle cTab; | |
| 1353 | |
| 1354 int i; | |
| 1355 | |
| 1356 cTab = SDL_CTab; | |
| 1357 | |
| 1358 /* Verify the range of colors */ | |
| 1359 if ( (firstcolor+ncolors) > ((**cTab).ctSize+1) ) { | |
| 1360 return(0); | |
| 1361 } | |
| 1362 | |
| 1363 /* Set the screen palette and update the display */ | |
| 1364 for(i = 0; i < ncolors; i++) { | |
| 1365 int j = firstcolor + i; | |
| 1366 (**cTab).ctTable[j].value = j; | |
| 1367 (**cTab).ctTable[j].rgb.red = colors[i].r << 8 | colors[i].r; | |
| 1368 (**cTab).ctTable[j].rgb.green = colors[i].g << 8 | colors[i].g; | |
| 1369 (**cTab).ctTable[j].rgb.blue = colors[i].b << 8 | colors[i].b; | |
| 1370 } | |
| 1371 | |
| 1372 SetGDevice(SDL_Display); | |
| 1373 SetEntries(0, (**cTab).ctSize, (ColorSpec *)&(**cTab).ctTable); | |
| 1374 | |
| 1375 return(1); | |
| 1376 } | |
| 1377 | |
| 1378 void DSp_VideoQuit(_THIS) | |
| 1379 { | |
| 1380 int i; | |
| 1381 | |
| 1382 /* Free current video mode */ | |
| 1383 DSp_UnsetVideoMode(this, this->screen); | |
| 1384 | |
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1385 /* Free Palette and restore original */ |
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1386 DSp_DestroyPalette (this); |
| 0 | 1387 |
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1388 #if SDL_MACCLASSIC_GAMMA_SUPPORT |
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1389 Mac_QuitGamma(this); |
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1390 #endif |
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1391 |
| 0 | 1392 /* Free list of video modes */ |
| 1393 if ( SDL_modelist != NULL ) { | |
| 1394 for ( i=0; SDL_modelist[i]; i++ ) { | |
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1395 SDL_free(SDL_modelist[i]); |
| 0 | 1396 } |
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1397 SDL_free(SDL_modelist); |
| 0 | 1398 SDL_modelist = NULL; |
| 1399 } | |
| 1400 | |
| 1401 /* Unload DrawSprocket */ | |
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1402 DSpShutdown (); |
| 0 | 1403 } |
| 1404 | |
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1405 #if SDL_VIDEO_OPENGL |
| 0 | 1406 |
| 1407 /* swap buffers with v-sync */ | |
| 1408 static void DSp_GL_SwapBuffers (_THIS) { | |
| 1409 | |
| 1410 #ifndef DSP_NO_SYNC_OPENGL | |
| 1411 | |
| 1412 unsigned int old_count; | |
| 1413 | |
| 1414 old_count = retrace_count; | |
| 1415 while (old_count == retrace_count) | |
| 1416 ; | |
| 1417 #endif | |
| 1418 | |
| 1419 aglSwapBuffers (glContext); | |
| 1420 } | |
| 1421 | |
| 1422 #endif |