Mercurial > sdl-ios-xcode
annotate src/video/macdsp/SDL_dspvideo.c @ 4249:429c8dd3175d SDL-1.2
Fixed bug #713
Don't clamp the mouse coordinates to the video surface size, instead clamp them to the last known window size.
This allows users to get the correct mouse coordinates even if they don't call SDL_SetVideoMode() in response to an SDL_VIDEORESIZE event (used as a hack to retain the OpenGL context on Windows and Linux after a window resize)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 27 Sep 2009 05:18:43 +0000 |
| parents | a1b03ba2fcd0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 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 |