Mercurial > sdl-ios-xcode
annotate src/video/macdsp/SDL_dspvideo.c @ 1379:c0a74f199ecf
Use only safe string functions
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 19 Feb 2006 23:46:34 +0000 |
| parents | 19418e4422cb |
| children | d910939febfa |
| 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 */ |
| 22 | |
| 23 /* | |
| 24 Written by Darrell Walisser <dwaliss1@purdue.edu> | |
| 25 | |
| 26 Implementation notes ---------------------------------------------------------------------- | |
| 27 | |
| 28 A bit on GWorlds in VRAM from technote 1182: | |
| 29 | |
| 30 There are two important things to note about GWorld's allocated in | |
| 31 VRAM. First, the base address retrieved through GetPixBaseAddr or | |
| 32 read directly from the PixMap structure can become invalid anytime | |
| 33 memory is allocated in VRAM. This can occur either by explicit | |
| 34 allocations, such as calls to NewGWorld, or by implicit ones, such as | |
| 35 those associated with the internal texture allocation of OpenGL. The | |
| 36 stored pixel images themselves will still be valid but may have been | |
| 37 moved in VRAM, thus rendering any stored base addresses invalid. | |
| 38 You should never store an image's base address for longer than is | |
| 39 necessary and especially never across calls to NewGWorld or | |
| 40 texture-creation routines. | |
| 41 | |
| 42 Secondly, an offscreen pixel image allocated in VRAM can be | |
| 43 purged at system task time by the display driver. This means any | |
| 44 time your application yields time such by calling WaitNextEvent or | |
| 45 SystemTask you can lose your VRAM GWorld contents. While this | |
| 46 happens infrequently, usually associated with display resolution or | |
| 47 pixel depth changes you must code for this eventuality. This purge | |
| 48 can occur whether or not the GWorld is locked or not. A return value | |
| 49 of false from LockPixels, a NULL return value from GetPixBaseAddr | |
| 50 or NULL in the baseAddr field of the PixMap mean that the pixel | |
| 51 image has been purged. To reallocate it you can either call | |
| 52 UpdateGWorld or Dispose your current GWorld through | |
| 53 DisposeGWorld and reallocate it via NewGWorld. Either way you must | |
| 54 then rebuild the pixel image. | |
| 55 | |
| 56 ------------------------------------------------------------------------------------ | |
| 57 | |
| 58 Currently, I don't account for (1). In my testing, NewGWorld never invalidated | |
| 59 other existing GWorlds in VRAM. However, I do have protection for (2). | |
| 60 Namely, I am using GetOSEvent() instead of WaitNextEvent() so that there are no | |
| 61 context switches (the app hogs the CPU). Eventually a book-keeping system should | |
| 62 be coded to take care of (1) and (2). | |
| 63 | |
| 64 ------------------------------------------------------------------------------------ | |
| 65 | |
| 66 System requirements (* denotes optional): | |
| 67 | |
| 68 1. DrawSprocket 1.7.3 | |
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69 2. *MacOS 9 or later (but *not* Mac OS X) for hardware accelerated blit / fill |
| 0 | 70 3. *May also require certain graphics hardware for (2). I trust that all Apple OEM |
| 71 hardware will work. Third party accelerators may work if they have QuickDraw | |
| 72 acceleration in the drivers and the drivers have been updated for OS 9. The current | |
| 73 Voodoo 3 drivers (1.0b12) do not work. | |
| 74 | |
| 75 Coding suggestions: | |
| 76 | |
| 77 1. Use SDL_UpdateRects ! | |
| 78 | |
| 79 If no QuickDraw acceleration is present, double-buffered surfaces will use a back buffer | |
| 80 in System memory. I recommend you use SDL_UpdateRects with double-buffered surfaces | |
| 81 for best performance on these cards, since the overhead is nearly zero for VRAM back buffer. | |
| 82 | |
| 83 2. Load most-resident surfaces first. | |
| 84 | |
| 85 If you fill up VRAM or AGP memory, there is no contingency for purging to make room for the next one. | |
| 86 Therefore, you should load the surfaces you plan to use the most frequently first. | |
| 87 Sooner or later, I will code LRU replacement to help this. | |
| 88 | |
| 89 TODO: | |
| 90 Some kind of posterized mode for resolutions < 640x480. | |
| 91 Window support / fullscreen toggle. | |
| 92 Figure out how much VRAM is available. Put in video->info->video_mem. | |
| 93 Track VRAM usage. | |
| 94 | |
| 95 BUGS: | |
| 96 I can't create a hardware surface the same size as the screen?! How to fix? | |
| 97 | |
| 98 | |
| 99 | |
| 100 COMPILE OPTIONS: | |
| 101 | |
| 102 DSP_TRY_CC_AND_AA - Define if you want to try HWA color-key and alpha blitters | |
| 103 HW color-key blitting gives substantial improvements, | |
| 104 but hw alpha is neck-and-neck with SDL's soft bitter. | |
| 105 | |
| 106 DSP_NO_SYNC_VBL - Define for HWA double-buffered surfaces: don't sync | |
| 107 pseudo-flip to monitor redraw. | |
| 108 | |
| 109 DSP_NO_SYNC_OPENGL - Define for OpenGL surfaces: don't sync buffer swap. Synching buffer | |
| 110 swap may result in reduced performance, but can eliminate some | |
| 111 tearing artifacts. | |
| 112 CHANGELOG: | |
| 113 09/17/00 Lots of little tweaks. Build modelist in reverse order so largest contexts | |
| 114 list first. Compared various methods with ROM methods and fixed rez switch | |
| 115 crashing bug in GL Tron. (Woohoo!) | |
| 116 */ | |
| 117 | |
| 118 #define DSP_TRY_CC_AND_AA | |
| 119 | |
| 120 /* #define DSP_NO_SYNC_VBL */ | |
| 121 | |
| 122 #define DSP_NO_SYNC_OPENGL | |
| 123 | |
| 124 | |
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125 #if defined(__APPLE__) && defined(__MACH__) |
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126 #include <Carbon/Carbon.h> |
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127 #include <DrawSprocket/DrawSprocket.h> |
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128 #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335) |
| 0 | 129 #include <Carbon.h> |
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130 #include <DrawSprocket.h> |
| 0 | 131 #else |
| 132 #include <LowMem.h> | |
| 133 #include <Gestalt.h> | |
| 134 #include <Devices.h> | |
| 135 #include <DiskInit.h> | |
| 136 #include <QDOffscreen.h> | |
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137 #include <DrawSprocket.h> |
| 0 | 138 #endif |
| 139 | |
| 140 #include "SDL_video.h" | |
| 141 #include "SDL_syswm.h" | |
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142 #include "../SDL_sysvideo.h" |
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143 #include "../SDL_blit.h" |
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144 #include "../SDL_pixels_c.h" |
| 0 | 145 #include "SDL_dspvideo.h" |
| 146 #include "SDL_macgl_c.h" | |
| 147 #include "SDL_macwm_c.h" | |
| 148 #include "SDL_macmouse_c.h" | |
| 149 #include "SDL_macevents_c.h" | |
| 150 | |
| 151 /* Initialization/Query functions */ | |
| 152 static int DSp_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 153 static SDL_Rect **DSp_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 154 static SDL_Surface *DSp_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 155 static int DSp_SetColors(_THIS, int firstcolor, int ncolors, | |
| 156 SDL_Color *colors); | |
| 157 static int DSp_CreatePalette(_THIS); | |
| 158 static int DSp_DestroyPalette(_THIS); | |
| 159 static void DSp_VideoQuit(_THIS); | |
| 160 | |
| 161 static int DSp_GetMainDevice (_THIS, GDHandle *device); | |
| 162 static void DSp_IsHWAvailable (_THIS, SDL_PixelFormat *vformat); | |
| 163 static void DSp_DSpUpdate(_THIS, int numrects, SDL_Rect *sdl_rects); | |
| 164 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *sdl_rects); | |
| 165 | |
| 166 /* Hardware surface functions */ | |
| 167 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha); | |
| 168 static int DSp_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key); | |
| 169 static int DSp_NewHWSurface(_THIS, CGrafPtr *port, int depth, int width, int height); | |
| 170 static int DSp_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 171 static int DSp_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 172 static void DSp_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 173 static void DSp_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 174 static int DSp_FlipHWSurface(_THIS, SDL_Surface *surface); | |
| 175 static int DSp_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dest); | |
| 176 static int DSp_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, | |
| 177 SDL_Surface *dst, SDL_Rect *dstrect); | |
| 178 static int DSp_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | |
| 179 | |
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180 #if SDL_VIDEO_OPENGL |
| 0 | 181 static void DSp_GL_SwapBuffers (_THIS); |
| 182 #endif | |
| 183 | |
| 184 #if ! TARGET_API_MAC_CARBON | |
| 185 | |
| 186 #define GetPortPixRowBytes(x) ( (*(x->portPixMap))->rowBytes ) | |
| 187 #define GetGDevPixMap(x) ((**(x)).gdPMap) | |
| 188 #define GetPortPixMap(x) ((*(x)).portPixMap) | |
| 189 | |
| 190 #define GetPixDepth(y) ((**(y)).pixelSize) | |
| 191 //#define GetPixRowBytes(y) ((**(y)).rowBytes) | |
| 192 //#define GetPixBaseAddr(y) ((**(y)).baseAddr) | |
| 193 #define GetPixCTab(y) ((**(y)).pmTable) | |
| 194 #define GetPortBitMapForCopyBits(x) (&(((GrafPtr)(x))->portBits)) | |
| 195 | |
| 196 #else | |
| 197 #define GetPortPixRowBytes(x) (GetPixRowBytes(GetPortPixMap(x)) ) | |
| 198 #define GetGDevPixMap(x) ((**(x)).gdPMap) | |
| 199 | |
| 200 #endif | |
| 201 | |
| 202 typedef struct private_hwdata { | |
| 203 | |
| 204 GWorldPtr offscreen; // offscreen gworld in VRAM or AGP | |
| 205 | |
| 206 #ifdef DSP_TRY_CC_AND_AA | |
| 207 GWorldPtr mask; // transparent mask | |
| 208 RGBColor alpha; // alpha color | |
| 209 RGBColor trans; // transparent color | |
| 210 #endif | |
| 211 | |
| 212 } private_hwdata; | |
| 213 | |
| 214 typedef private_hwdata private_swdata ; /* have same fields */ | |
| 215 | |
| 216 /* Macintosh toolbox driver bootstrap functions */ | |
| 217 | |
| 218 static int DSp_Available(void) | |
| 219 { | |
| 220 /* Check for DrawSprocket */ | |
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221 #if ! TARGET_API_MAC_OSX |
| 0 | 222 /* This check is only meaningful if you weak-link DrawSprocketLib */ |
| 223 return ((Ptr)DSpStartup != (Ptr)kUnresolvedCFragSymbolAddress); | |
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224 #else |
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225 return 1; // DrawSprocket.framework doesn't have it all, but it's there |
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226 #endif |
| 0 | 227 } |
| 228 | |
| 229 static void DSp_DeleteDevice(SDL_VideoDevice *device) | |
| 230 { | |
| 231 /* -dw- taking no chances with null pointers */ | |
| 232 if (device) { | |
| 233 | |
| 234 if (device->hidden) { | |
| 235 | |
| 236 if (device->hidden->dspinfo) | |
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237 SDL_free(device->hidden->dspinfo); |
| 0 | 238 |
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239 SDL_free(device->hidden); |
| 0 | 240 } |
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241 SDL_free(device); |
| 0 | 242 } |
| 243 } | |
| 244 | |
| 245 static SDL_VideoDevice *DSp_CreateDevice(int devindex) | |
| 246 { | |
| 247 SDL_VideoDevice *device; | |
| 248 | |
| 249 /* Initialize all variables that we clean on shutdown */ | |
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250 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 0 | 251 if ( device ) { |
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252 SDL_memset(device, 0, sizeof (*device)); |
| 0 | 253 device->hidden = (struct SDL_PrivateVideoData *) |
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254 SDL_malloc((sizeof *device->hidden)); |
| 0 | 255 if (device->hidden) |
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256 SDL_memset(device->hidden, 0, sizeof ( *(device->hidden) ) ); |
| 0 | 257 } |
| 258 if ( (device == NULL) || (device->hidden == NULL) ) { | |
| 259 SDL_OutOfMemory(); | |
| 260 | |
| 261 if ( device ) { | |
| 262 | |
| 263 if (device->hidden) | |
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264 SDL_free(device->hidden); |
| 0 | 265 |
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266 SDL_free(device); |
| 0 | 267 } |
| 268 | |
| 269 return(NULL); | |
| 270 } | |
| 271 | |
| 272 /* Allocate DrawSprocket information */ | |
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273 device->hidden->dspinfo = (struct DSpInfo *)SDL_malloc( |
| 0 | 274 (sizeof *device->hidden->dspinfo)); |
| 275 if ( device->hidden->dspinfo == NULL ) { | |
| 276 SDL_OutOfMemory(); | |
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277 SDL_free(device->hidden); |
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278 SDL_free(device); |
| 0 | 279 return(0); |
| 280 } | |
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281 SDL_memset(device->hidden->dspinfo, 0, (sizeof *device->hidden->dspinfo)); |
| 0 | 282 |
| 283 /* Set the function pointers */ | |
| 284 device->VideoInit = DSp_VideoInit; | |
| 285 device->ListModes = DSp_ListModes; | |
| 286 device->SetVideoMode = DSp_SetVideoMode; | |
| 287 device->SetColors = DSp_SetColors; | |
| 288 device->UpdateRects = NULL; | |
| 289 device->VideoQuit = DSp_VideoQuit; | |
| 290 device->AllocHWSurface = DSp_AllocHWSurface; | |
| 291 device->CheckHWBlit = NULL; | |
| 292 device->FillHWRect = NULL; | |
| 293 device->SetHWColorKey = NULL; | |
| 294 device->SetHWAlpha = NULL; | |
| 295 device->LockHWSurface = DSp_LockHWSurface; | |
| 296 device->UnlockHWSurface = DSp_UnlockHWSurface; | |
| 297 device->FlipHWSurface = DSp_FlipHWSurface; | |
| 298 device->FreeHWSurface = DSp_FreeHWSurface; | |
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299 #if SDL_VIDEO_OPENGL |
| 0 | 300 device->GL_MakeCurrent = Mac_GL_MakeCurrent; |
| 301 device->GL_SwapBuffers = DSp_GL_SwapBuffers; | |
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302 device->GL_LoadLibrary = Mac_GL_LoadLibrary; |
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303 device->GL_GetProcAddress = Mac_GL_GetProcAddress; |
| 0 | 304 #endif |
| 305 device->SetCaption = NULL; | |
| 306 device->SetIcon = NULL; | |
| 307 device->IconifyWindow = NULL; | |
| 308 device->GrabInput = NULL; | |
| 309 device->GetWMInfo = NULL; | |
| 310 device->FreeWMCursor = Mac_FreeWMCursor; | |
| 311 device->CreateWMCursor = Mac_CreateWMCursor; | |
| 312 device->ShowWMCursor = Mac_ShowWMCursor; | |
| 313 device->WarpWMCursor = Mac_WarpWMCursor; | |
| 314 device->InitOSKeymap = Mac_InitOSKeymap; | |
| 315 device->PumpEvents = Mac_PumpEvents; | |
| 316 | |
| 317 device->GrabInput = NULL; | |
| 318 device->CheckMouseMode = NULL; | |
| 319 | |
| 320 device->free = DSp_DeleteDevice; | |
| 321 | |
| 322 return device; | |
| 323 } | |
| 324 | |
| 325 VideoBootStrap DSp_bootstrap = { | |
| 326 "DSp", "MacOS DrawSprocket", | |
| 327 DSp_Available, DSp_CreateDevice | |
| 328 }; | |
| 329 | |
| 330 /* Use DSp/Display Manager to build mode list for given screen */ | |
| 331 static SDL_Rect** DSp_BuildModeList (const GDHandle gDevice) | |
| 332 { | |
| 333 DSpContextAttributes attributes; | |
| 334 DSpContextReference context; | |
| 335 DisplayIDType displayID; | |
| 336 SDL_Rect temp_list [16]; | |
| 337 SDL_Rect **mode_list; | |
| 338 int width, height, i, j; | |
| 339 | |
| 340 #if TARGET_API_MAC_OSX | |
| 341 | |
| 342 displayID = 0; | |
| 343 | |
| 344 #else | |
| 345 /* Ask Display Manager for integer id of screen device */ | |
| 346 if ( DMGetDisplayIDByGDevice (gDevice, &displayID, SDL_TRUE) != noErr ) { | |
| 347 return NULL; | |
| 348 } | |
| 349 #endif | |
| 350 /* Get the first possible DSp context on this device */ | |
| 351 if ( DSpGetFirstContext (displayID, &context) != noErr ) { | |
| 352 return NULL; | |
| 353 } | |
| 354 | |
| 355 if ( DSpContext_GetAttributes (context, &attributes) != noErr ) | |
| 356 return NULL; | |
| 357 | |
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358 for ( i = 0; i < SDL_arraysize(temp_list); i++ ) { |
| 0 | 359 width = attributes.displayWidth; |
| 360 height = attributes.displayHeight; | |
| 361 | |
| 362 temp_list [i].x = 0 | attributes.displayBestDepth; | |
| 363 temp_list [i].y = 0; | |
| 364 temp_list [i].w = width; | |
| 365 temp_list [i].h = height; | |
| 366 | |
| 367 /* DSp will report many different contexts with the same width and height. */ | |
| 368 /* They will differ in bit depth and refresh rate. */ | |
| 369 /* We will ignore them until we reach one with a different width/height */ | |
| 370 /* When there are no more contexts to look at, we will quit building the list*/ | |
| 371 while ( width == attributes.displayWidth && height == attributes.displayHeight ) { | |
| 372 | |
| 373 OSStatus err = DSpGetNextContext (context, &context); | |
| 374 if (err != noErr) | |
| 375 if (err == kDSpContextNotFoundErr) | |
| 376 goto done; | |
| 377 else | |
| 378 return NULL; | |
| 379 | |
| 380 if ( DSpContext_GetAttributes (context, &attributes) != noErr ) | |
| 381 return NULL; | |
| 382 | |
| 383 temp_list [i].x |= attributes.displayBestDepth; | |
| 384 } | |
| 385 } | |
| 386 done: | |
| 387 i++; /* i was not incremented before kicking out of the loop */ | |
| 388 | |
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389 mode_list = (SDL_Rect**) SDL_malloc (sizeof (SDL_Rect*) * (i+1)); |
| 0 | 390 if (mode_list) { |
| 391 | |
| 392 /* -dw- new stuff: build in reverse order so largest sizes list first */ | |
| 393 for (j = i-1; j >= 0; j--) { | |
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394 mode_list [j] = (SDL_Rect*) SDL_malloc (sizeof (SDL_Rect)); |
| 0 | 395 if (mode_list [j]) |
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396 SDL_memcpy (mode_list [j], &(temp_list [j]), sizeof (SDL_Rect)); |
| 0 | 397 else { |
| 398 SDL_OutOfMemory (); | |
| 399 return NULL; | |
| 400 } | |
| 401 } | |
| 402 mode_list [i] = NULL; /* append null to the end */ | |
| 403 } | |
| 404 else { | |
| 405 SDL_OutOfMemory (); | |
| 406 return NULL; | |
| 407 } | |
| 408 | |
| 409 return mode_list; | |
| 410 } | |
| 411 | |
| 412 static void DSp_IsHWAvailable (_THIS, SDL_PixelFormat *vformat) | |
| 413 { | |
| 414 /* | |
| 415 VRAM GWorlds are only available on OS 9 or later. | |
| 416 Even with OS 9, some display drivers won't support it, | |
| 417 so we create a test GWorld and check for errors. | |
| 418 */ | |
| 419 | |
| 420 long versionSystem; | |
| 421 | |
| 422 dsp_vram_available = SDL_FALSE; | |
| 423 dsp_agp_available = SDL_FALSE; | |
| 424 | |
| 425 Gestalt ('sysv', &versionSystem); | |
| 426 if (0x00000860 < (versionSystem & 0x0000FFFF)) { | |
| 427 | |
| 428 GWorldPtr offscreen; | |
| 429 OSStatus err; | |
| 430 Rect bounds; | |
| 431 | |
| 432 SetRect (&bounds, 0, 0, 320, 240); | |
| 433 | |
|
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434 #if useDistantHdwrMem && useLocalHdwrMem |
| 0 | 435 err = NewGWorld (&offscreen, vformat->BitsPerPixel, &bounds, NULL, SDL_Display, useDistantHdwrMem | noNewDevice); |
| 436 if (err == noErr) { | |
| 437 dsp_vram_available = SDL_TRUE; | |
| 438 DisposeGWorld (offscreen); | |
| 439 } | |
| 440 | |
| 441 err = NewGWorld (&offscreen, vformat->BitsPerPixel, &bounds, NULL, SDL_Display, useLocalHdwrMem | noNewDevice); | |
| 442 if (err == noErr) { | |
| 443 DisposeGWorld (offscreen); | |
| 444 dsp_agp_available = SDL_TRUE; | |
| 445 } | |
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446 #endif |
| 0 | 447 } |
| 448 } | |
| 449 | |
| 450 static int DSp_GetMainDevice (_THIS, GDHandle *device) | |
| 451 { | |
| 452 | |
| 453 #if TARGET_API_MAC_OSX | |
| 454 /* DSpUserSelectContext not available on OS X */ | |
| 455 *device = GetMainDevice(); | |
| 456 return 0; | |
| 457 #else | |
| 458 | |
| 459 DSpContextAttributes attrib; | |
| 460 DSpContextReference context; | |
| 461 DisplayIDType display_id; | |
| 462 GDHandle main_device; | |
| 463 GDHandle device_list; | |
| 464 | |
| 465 device_list = GetDeviceList (); | |
| 466 main_device = GetMainDevice (); | |
| 467 | |
| 468 /* Quick check to avoid slower method when only one display exists */ | |
| 469 if ( (**device_list).gdNextGD == NULL ) { | |
| 470 *device = main_device; | |
| 471 return 0; | |
| 472 } | |
| 473 | |
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474 SDL_memset (&attrib, 0, sizeof (DSpContextAttributes)); |
| 0 | 475 |
| 476 /* These attributes are hopefully supported on all devices...*/ | |
| 477 attrib.displayWidth = 640; | |
| 478 attrib.displayHeight = 480; | |
| 479 attrib.displayBestDepth = 8; | |
| 480 attrib.backBufferBestDepth = 8; | |
| 481 attrib.displayDepthMask = kDSpDepthMask_All; | |
| 482 attrib.backBufferDepthMask = kDSpDepthMask_All; | |
| 483 attrib.colorNeeds = kDSpColorNeeds_Require; | |
| 484 attrib.pageCount = 1; | |
| 485 | |
| 486 if (noErr != DMGetDisplayIDByGDevice (main_device, &display_id, SDL_FALSE)) { | |
| 487 SDL_SetError ("Display Manager couldn't associate GDevice with a Display ID"); | |
| 488 return (-1); | |
| 489 } | |
| 490 | |
| 491 /* Put up dialog on main display to select which display to use */ | |
| 492 if (noErr != DSpUserSelectContext (&attrib, display_id, NULL, &context)) { | |
| 493 SDL_SetError ("DrawSprocket couldn't create a context"); | |
| 494 return (-1); | |
| 495 } | |
| 496 | |
| 497 if (noErr != DSpContext_GetDisplayID (context, &display_id)) { | |
| 498 SDL_SetError ("DrawSprocket couldn't get display ID"); | |
| 499 return (-1); | |
| 500 } | |
| 501 | |
| 502 if (noErr != DMGetGDeviceByDisplayID (display_id, &main_device, SDL_FALSE)) { | |
| 503 SDL_SetError ("Display Manager couldn't associate Display ID with GDevice"); | |
| 504 return (-1); | |
| 505 } | |
| 506 | |
| 507 *device = main_device; | |
| 508 return (0); | |
| 509 #endif | |
| 510 } | |
| 511 | |
| 512 static int DSp_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 513 { | |
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514 NumVersion dsp_version = { 0x01, 0x00, 0x00, 0x00 }; |
| 0 | 515 |
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516 #if UNIVERSAL_INTERFACES_VERSION > 0x0320 |
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517 dsp_version = DSpGetVersion (); |
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518 #endif |
| 0 | 519 |
| 520 if ( (dsp_version.majorRev == 1 && dsp_version.minorAndBugRev < 0x73) || | |
| 521 (dsp_version.majorRev < 1) ) { | |
| 522 | |
| 523 /* StandardAlert (kAlertStopAlert, "\pError!", | |
| 524 "\pI need DrawSprocket 1.7.3 or later!\n" | |
| 525 "You can find a newer version at http://www.apple.com/swupdates.", | |
| 526 NULL, NULL); | |
| 527 */ | |
| 528 SDL_SetError ("DrawSprocket version is too old. Need 1.7.3 or later."); | |
| 529 return (-1); | |
| 530 } | |
| 531 | |
| 532 if ( DSpStartup () != noErr ) { | |
| 533 SDL_SetError ("DrawSprocket couldn't startup"); | |
| 534 return(-1); | |
| 535 } | |
| 536 | |
| 537 /* Start DSpintosh events */ | |
| 538 Mac_InitEvents(this); | |
| 539 | |
| 540 /* Get a handle to the main monitor, or choose one on multiple monitor setups */ | |
| 541 if ( DSp_GetMainDevice(this, &SDL_Display) < 0) | |
| 542 return (-1); | |
| 543 | |
| 544 /* Determine pixel format */ | |
| 545 vformat->BitsPerPixel = GetPixDepth ( (**SDL_Display).gdPMap ); | |
| 546 dsp_old_depth = vformat->BitsPerPixel; | |
| 547 | |
| 548 switch (vformat->BitsPerPixel) { | |
| 549 case 16: | |
| 550 vformat->Rmask = 0x00007c00; | |
| 551 vformat->Gmask = 0x000003e0; | |
| 552 vformat->Bmask = 0x0000001f; | |
| 553 break; | |
| 554 default: | |
| 555 break; | |
| 556 } | |
| 557 | |
| 558 if ( DSp_CreatePalette (this) < 0 ) { | |
| 559 | |
| 560 SDL_SetError ("Could not create palette"); | |
| 561 return (-1); | |
| 562 } | |
| 563 | |
| 564 /* Get a list of available fullscreen modes */ | |
| 565 SDL_modelist = DSp_BuildModeList (SDL_Display); | |
| 566 if (SDL_modelist == NULL) { | |
| 567 SDL_SetError ("DrawSprocket could not build a mode list"); | |
| 568 return (-1); | |
| 569 } | |
| 570 | |
| 571 /* Check for VRAM and AGP GWorlds for HW Blitting */ | |
| 572 DSp_IsHWAvailable (this, vformat); | |
| 573 | |
| 574 this->info.wm_available = 0; | |
| 575 | |
| 576 if (dsp_vram_available || dsp_agp_available) { | |
| 577 | |
| 578 this->info.hw_available = SDL_TRUE; | |
| 579 | |
| 580 this->CheckHWBlit = DSp_CheckHWBlit; | |
| 581 this->info.blit_hw = SDL_TRUE; | |
| 582 | |
| 583 this->FillHWRect = DSp_FillHWRect; | |
| 584 this->info.blit_fill = SDL_TRUE; | |
| 585 | |
| 586 #ifdef DSP_TRY_CC_AND_AA | |
| 587 this->SetHWColorKey = DSp_SetHWColorKey; | |
| 588 this->info.blit_hw_CC = SDL_TRUE; | |
| 589 | |
| 590 this->SetHWAlpha = DSp_SetHWAlpha; | |
| 591 this->info.blit_hw_A = SDL_TRUE; | |
| 592 #endif | |
| 593 | |
| 594 } | |
| 595 | |
| 596 return(0); | |
| 597 } | |
| 598 | |
| 599 static SDL_Rect **DSp_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 600 { | |
| 601 static SDL_Rect *dsp_modes[16]; | |
| 602 int i = 0, j = 0; | |
| 603 | |
| 604 if ( format->BitsPerPixel == 0 ) | |
| 605 return ( (SDL_Rect**) NULL ); | |
| 606 | |
| 607 while (SDL_modelist[i] != NULL) { | |
| 608 | |
| 609 if (SDL_modelist[i]->x & format->BitsPerPixel) { | |
| 610 dsp_modes[j] = SDL_modelist[i]; | |
| 611 j++; | |
| 612 } | |
| 613 i++; | |
| 614 } | |
| 615 | |
| 616 dsp_modes[j] = NULL; | |
| 617 | |
| 618 return dsp_modes; | |
| 619 } | |
| 620 | |
| 621 /* Various screen update functions available */ | |
| 622 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 623 | |
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624 #if ! TARGET_API_MAC_OSX |
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625 |
| 0 | 626 static volatile unsigned int retrace_count = 0; /* -dw- need volatile because it updates asychronously */ |
| 627 | |
| 628 Boolean DSp_VBLProc ( DSpContextReference context, void *ref_con ) | |
| 629 { | |
| 630 retrace_count++; | |
| 631 | |
| 632 return 1; /* Darrell, is this right? */ | |
| 633 } | |
| 634 | |
| 635 static void DSp_SetHWError (OSStatus err, int is_agp) | |
| 636 { | |
| 637 char message[1024]; | |
| 638 const char *fmt, *mem; | |
| 639 | |
| 640 if ( is_agp ) { | |
| 641 mem = "AGP Memory"; | |
| 642 } else { | |
| 643 mem = "VRAM"; | |
| 644 } | |
| 645 switch(err) { | |
| 646 case memFullErr: | |
| 647 fmt = "Hardware surface possible but not enough %s available"; | |
| 648 break; | |
| 649 case cDepthErr: | |
| 650 fmt = "Hardware surface possible but invalid color depth"; | |
| 651 break; | |
| 652 default: | |
| 653 fmt = "Hardware surface could not be allocated in %s - unknown error"; | |
| 654 break; | |
| 655 } | |
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656 SDL_snprintf(message, SDL_arraysize(message), fmt, mem); |
| 0 | 657 SDL_SetError(message); |
| 658 } | |
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659 #endif // TARGET_API_MAC_OSX |
| 0 | 660 |
| 661 /* put up a dialog to verify display change */ | |
| 662 static int DSp_ConfirmSwitch () { | |
| 663 | |
| 664 /* resource id's for dialog */ | |
| 665 const int rDialog = 1002; | |
| 666 const int bCancel = 1; | |
| 667 const int bOK = 2; | |
| 668 | |
| 669 DialogPtr dialog; | |
| 670 OSStatus err; | |
| 671 SInt32 response; | |
| 672 DialogItemIndex item = 0; | |
| 673 GrafPtr savePort; | |
| 674 | |
| 675 GetPort (&savePort); | |
| 676 | |
| 677 dialog = GetNewDialog (rDialog, NULL, (WindowPtr) -1); | |
| 678 if (dialog == NULL) | |
| 679 return (0); | |
| 680 | |
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681 #if TARGET_API_CARBON |
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682 SetPort (GetDialogPort(dialog)); |
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683 #else |
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684 SetPort ((WindowPtr) dialog); |
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685 #endif |
| 0 | 686 |
| 687 SetDialogDefaultItem (dialog, bCancel); | |
| 688 SetDialogCancelItem (dialog, bCancel); | |
| 689 | |
| 690 SetEventMask (everyEvent); | |
| 691 FlushEvents (everyEvent, 0); | |
| 692 | |
| 693 /* On MacOS 8.5 or later, we can make the dialog go away after 15 seconds */ | |
| 694 /* This is good since it's possible user can't even see the dialog! */ | |
| 695 /* Requires linking to DialogsLib */ | |
| 696 err = Gestalt(gestaltSystemVersion,&response); | |
| 697 if (err == noErr && response >= 0x00000850) { | |
| 698 SetDialogTimeout(dialog, bCancel, 15); | |
| 699 } | |
| 700 | |
| 701 do { | |
| 702 | |
| 703 ModalDialog ( NULL, &item ); | |
| 704 | |
| 705 } while ( item != bCancel && item != bOK && err != noErr); | |
| 706 | |
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|
707 |
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|
708 DisposeDialog (dialog); |
| 0 | 709 SetPort (savePort); |
| 710 | |
| 711 SetEventMask(everyEvent - autoKeyMask); | |
| 712 FlushEvents(everyEvent, 0); | |
| 713 | |
| 714 return (item - 1); | |
| 715 } | |
| 716 | |
| 717 static void DSp_UnsetVideoMode(_THIS, SDL_Surface *current) | |
| 718 { | |
| 719 | |
| 720 | |
| 721 if ( current->flags & SDL_OPENGL ) { | |
| 722 Mac_GL_Quit (this); | |
| 723 } | |
| 724 | |
| 725 if (dsp_context != NULL) { | |
| 726 | |
| 727 GWorldPtr front; | |
| 728 DSpContext_GetFrontBuffer (dsp_context, &front); | |
| 729 | |
| 730 if (front != dsp_back_buffer) | |
| 731 DisposeGWorld (dsp_back_buffer); | |
| 732 | |
| 733 if (current->hwdata) | |
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734 SDL_free(current->hwdata); |
| 0 | 735 |
| 736 DSpContext_SetState (dsp_context, kDSpContextState_Inactive ); | |
| 737 DSpContext_Release (dsp_context); | |
| 738 | |
| 739 dsp_context = NULL; | |
| 740 } | |
| 741 | |
| 742 if (SDL_Window != NULL) { | |
| 743 DisposeWindow (SDL_Window); | |
| 744 SDL_Window = NULL; | |
| 745 } | |
| 746 | |
| 747 current->pixels = NULL; | |
| 748 current->flags = 0; | |
| 749 } | |
| 750 | |
| 751 static SDL_Surface *DSp_SetVideoMode(_THIS, | |
| 752 SDL_Surface *current, int width, int height, int bpp, Uint32 flags) | |
| 753 { | |
| 754 | |
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755 #if !TARGET_API_MAC_OSX |
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756 DisplayIDType display_id; |
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757 Fixed freq; |
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|
758 #endif |
| 0 | 759 DSpContextAttributes attrib; |
| 760 OSStatus err; | |
| 761 UInt32 rmask = 0, gmask = 0, bmask = 0; | |
| 762 | |
| 763 int page_count; | |
| 764 int double_buf; | |
| 765 int hw_surface; | |
| 766 int use_dsp_back_buffer; | |
| 767 | |
| 768 DSp_UnsetVideoMode (this, current); | |
| 769 | |
| 770 if (bpp != dsp_old_depth) | |
| 771 DSp_DestroyPalette (this); | |
| 772 | |
| 773 double_buf = (flags & SDL_DOUBLEBUF) != 0; | |
| 774 hw_surface = (flags & SDL_HWSURFACE) != 0; | |
| 775 use_dsp_back_buffer = !dsp_vram_available || !hw_surface ; | |
| 776 | |
| 777 current->flags |= SDL_FULLSCREEN; | |
| 778 | |
| 779 rebuild: | |
| 780 | |
| 781 if ( double_buf && use_dsp_back_buffer ) { | |
| 782 page_count = 2; | |
| 783 } else { | |
| 784 page_count = 1; | |
| 785 } | |
| 786 | |
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787 SDL_memset (&attrib, 0, sizeof (DSpContextAttributes)); |
| 0 | 788 attrib.displayWidth = width; |
| 789 attrib.displayHeight = height; | |
| 790 attrib.displayBestDepth = bpp; | |
| 791 attrib.backBufferBestDepth = bpp; | |
| 792 attrib.displayDepthMask = kDSpDepthMask_All; | |
| 793 attrib.backBufferDepthMask = kDSpDepthMask_All; | |
| 794 attrib.colorNeeds = kDSpColorNeeds_Require; | |
| 795 attrib.colorTable = 0; | |
| 796 attrib.pageCount = page_count; | |
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797 #if TARGET_API_MAC_OSX || UNIVERSAL_INTERFACES_VERSION == 0x0320 |
| 0 | 798 |
| 799 if ( DSpFindBestContext (&attrib, &dsp_context) != noErr ) { | |
| 800 SDL_SetError ("DrawSprocket couldn't find a context"); | |
| 801 return NULL; | |
| 802 } | |
| 803 | |
| 804 #else | |
| 805 if ( noErr != DMGetDisplayIDByGDevice (SDL_Display, &display_id, SDL_FALSE) ) { | |
| 806 SDL_SetError ("Display Manager couldn't associate GDevice with display_id"); | |
| 807 return NULL; | |
| 808 } | |
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809 if ( DSpFindBestContextOnDisplayID(&attrib, &dsp_context, display_id) != noErr ) { |
| 0 | 810 SDL_SetError ("DrawSprocket couldn't find a suitable context on given display"); |
| 811 return NULL; | |
| 812 } | |
| 813 | |
| 814 #endif | |
| 815 if ( DSpContext_Reserve (dsp_context, &attrib) != noErr ) { | |
| 816 SDL_SetError ("DrawSprocket couldn't get the needed resources to build the display"); | |
| 817 return NULL; | |
| 818 } | |
| 819 | |
| 820 if ( (err = DSpContext_SetState (dsp_context, kDSpContextState_Active)) != noErr ) { | |
| 821 | |
| 822 if (err == kDSpConfirmSwitchWarning) { | |
| 823 | |
| 824 if ( ! DSp_ConfirmSwitch () ) { | |
| 825 | |
| 826 DSpContext_Release (dsp_context); | |
| 827 dsp_context = NULL; | |
| 828 SDL_SetError ("User cancelled display switch"); | |
| 829 return NULL; | |
| 830 } | |
| 831 else | |
| 832 /* Have to reactivate context. Why? */ | |
| 833 DSpContext_SetState (dsp_context, kDSpContextState_Active); | |
| 834 | |
| 835 } | |
| 836 else { | |
| 837 SDL_SetError ("DrawSprocket couldn't activate the context"); | |
| 838 return NULL; | |
| 839 } | |
| 840 } | |
| 841 | |
| 842 | |
| 843 if (bpp != dsp_old_depth) { | |
| 844 | |
| 845 DSp_CreatePalette (this); | |
| 846 | |
| 847 /* update format if display depth changed */ | |
| 848 if (bpp == 16) { | |
| 849 | |
| 850 rmask = 0x00007c00; | |
| 851 gmask = 0x000003e0; | |
| 852 bmask = 0x0000001f; | |
| 853 } | |
| 854 if ( ! SDL_ReallocFormat (current, bpp, rmask, gmask, bmask, 0 ) ) { | |
| 855 | |
| 856 SDL_SetError ("Could not reallocate video format."); | |
| 857 return(NULL); | |
| 858 } | |
| 859 } | |
| 860 | |
| 861 if (!double_buf) { | |
| 862 | |
| 863 /* single-buffer context */ | |
| 864 DSpContext_GetFrontBuffer (dsp_context, &dsp_back_buffer); | |
| 865 | |
|
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866 current->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 867 if (current ->hwdata == NULL) { |
| 868 SDL_OutOfMemory (); | |
| 869 return NULL; | |
| 870 } | |
| 871 current->hwdata->offscreen = dsp_back_buffer; | |
| 872 current->flags |= SDL_HWSURFACE; | |
| 873 this->UpdateRects = DSp_DirectUpdate; | |
| 874 } | |
| 875 else if ( use_dsp_back_buffer ) { | |
| 876 | |
| 877 DSpContext_GetBackBuffer (dsp_context, kDSpBufferKind_Normal, &dsp_back_buffer); | |
| 878 | |
| 879 current->flags |= SDL_DOUBLEBUF | SDL_SWSURFACE; /* only front buffer is in VRAM */ | |
| 880 this->UpdateRects = DSp_DSpUpdate; | |
| 881 } | |
| 882 else if ( DSp_NewHWSurface(this, &dsp_back_buffer, bpp, width-1, height-1) == 0 ) { | |
| 883 | |
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884 current->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 885 if (current ->hwdata == NULL) { |
| 886 SDL_OutOfMemory (); | |
| 887 return NULL; | |
| 888 } | |
| 889 | |
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890 SDL_memset (current->hwdata, 0, sizeof (private_hwdata)); |
| 0 | 891 current->hwdata->offscreen = dsp_back_buffer; |
| 892 current->flags |= SDL_DOUBLEBUF | SDL_HWSURFACE; | |
| 893 this->UpdateRects = DSp_DirectUpdate; /* hardware doesn't do update rects, must be page-flipped */ | |
| 894 } | |
| 895 else { | |
| 896 | |
| 897 DSpContext_Release (dsp_context); | |
| 898 use_dsp_back_buffer = SDL_TRUE; | |
| 899 goto rebuild; | |
| 900 } | |
| 901 | |
| 902 current->pitch = GetPortPixRowBytes(dsp_back_buffer) & 0x3FFF; | |
| 903 current->pixels = GetPixBaseAddr(GetPortPixMap(dsp_back_buffer)); | |
| 904 | |
| 905 current->w = width; | |
| 906 current->h = height; | |
| 907 | |
| 908 #if ! TARGET_API_MAC_OSX | |
| 909 | |
| 910 if (use_dsp_back_buffer) { | |
| 911 | |
| 912 DSpContext_GetMonitorFrequency (dsp_context, &freq); | |
| 913 DSpContext_SetMaxFrameRate (dsp_context, freq >> 16); | |
| 914 } | |
| 915 | |
| 916 | |
| 917 if ( (current->flags & SDL_HWSURFACE) || (current->flags & SDL_OPENGL) ) | |
| 918 DSpContext_SetVBLProc (dsp_context, DSp_VBLProc, NULL); | |
| 919 #endif | |
| 920 | |
| 921 if (bpp == 8) | |
| 922 current->flags |= SDL_HWPALETTE; | |
| 923 | |
| 924 if (flags & SDL_OPENGL) { | |
| 925 | |
| 926 Rect rect; | |
| 927 RGBColor rgb = { 0.0, 0.0, 0.0 }; | |
| 928 GrafPtr save_port; | |
| 929 | |
| 930 SetRect (&rect, 0, 0, width, height); | |
| 931 SDL_Window = NewCWindow(nil, &( (**SDL_Display).gdRect), "\p", SDL_TRUE, plainDBox, (WindowPtr)-1, SDL_FALSE, 0); | |
| 932 | |
| 933 if (SDL_Window == NULL) { | |
| 934 | |
| 935 SDL_SetError ("DSp_SetVideoMode : OpenGL window could not be created."); | |
| 936 return NULL; | |
| 937 } | |
| 938 | |
| 939 /* Set window color to black to avoid white flash*/ | |
| 940 GetPort (&save_port); | |
|
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941 #if TARGET_API_MAC_CARBON |
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942 SetPort (GetWindowPort(SDL_Window)); |
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943 #else |
| 0 | 944 SetPort (SDL_Window); |
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945 #endif |
| 0 | 946 RGBForeColor (&rgb); |
| 947 PaintRect (&rect); | |
| 948 SetPort (save_port); | |
| 949 | |
| 950 SetPortWindowPort (SDL_Window); | |
| 951 SelectWindow (SDL_Window); | |
| 952 | |
| 953 if ( Mac_GL_Init (this) < 0 ) { | |
| 954 | |
| 955 SDL_SetError ("DSp_SetVideoMode : could not create OpenGL context."); | |
| 956 return NULL; | |
| 957 } | |
| 958 | |
| 959 current->flags |= SDL_OPENGL; | |
| 960 } | |
| 961 | |
| 962 return current; | |
| 963 } | |
| 964 | |
| 965 #ifdef DSP_TRY_CC_AND_AA | |
| 966 | |
| 967 static int DSp_MakeHWMask (_THIS, SDL_Surface *surface) | |
| 968 { | |
| 969 GDHandle save_device; | |
| 970 CGrafPtr save_port; | |
| 971 GWorldPtr temp; | |
| 972 RGBColor black = { 0, 0, 0 }; | |
| 973 RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF }; | |
| 974 Rect rect; | |
| 975 | |
| 976 Uint32 depth = GetPixDepth ( GetGDevPixMap (SDL_Display) ); | |
| 977 | |
| 978 SetRect (&rect, 0, 0, surface->w, surface->h); | |
| 979 | |
| 980 if ( noErr != NewGWorld (&(surface->hwdata->mask), depth, &rect, 0, SDL_Display, 0 ) < 0 ) { | |
| 981 | |
| 982 SDL_OutOfMemory (); | |
| 983 return (-1); | |
| 984 } | |
| 985 | |
| 986 if ( noErr != NewGWorld (&temp, depth, &rect, 0 , SDL_Display, 0 ) ) { | |
| 987 | |
| 988 SDL_OutOfMemory (); | |
| 989 return (-1); | |
| 990 } | |
| 991 | |
| 992 | |
| 993 GetGWorld (&save_port, &save_device); | |
| 994 SetGWorld (surface->hwdata->mask, SDL_Display); | |
| 995 | |
| 996 RGBForeColor (&white); | |
| 997 PaintRect (&rect); | |
| 998 | |
| 999 RGBBackColor (&(surface->hwdata->trans)); | |
| 1000 | |
| 1001 CopyBits ( GetPortBitMapForCopyBits(surface->hwdata->offscreen), | |
| 1002 GetPortBitMapForCopyBits(surface->hwdata->mask), | |
| 1003 &rect, &rect, transparent, NULL ); | |
| 1004 | |
| 1005 SetGWorld (surface->hwdata->mask, SDL_Display); | |
| 1006 SetGWorld (save_port, save_device); | |
| 1007 return (0); | |
| 1008 } | |
| 1009 | |
| 1010 static int DSp_SetHWAlpha(_THIS, SDL_Surface *surface, UInt8 alpha) | |
| 1011 { | |
| 1012 surface->hwdata->alpha.red = (alpha / 255.0) * 65535; | |
| 1013 surface->hwdata->alpha.blue = (alpha / 255.0) * 65535; | |
| 1014 surface->hwdata->alpha.green = (alpha / 255.0) * 65535; | |
| 1015 | |
| 1016 surface->flags |= SDL_SRCALPHA; | |
| 1017 | |
| 1018 if (surface->flags & SDL_SRCCOLORKEY) { | |
| 1019 return(DSp_MakeHWMask (this, surface)); | |
| 1020 } | |
| 1021 return(0); | |
| 1022 } | |
| 1023 | |
| 1024 static int DSp_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key) | |
| 1025 { | |
| 1026 CGrafPtr save_port; | |
| 1027 GDHandle save_device; | |
| 1028 | |
| 1029 GetGWorld (&save_port, &save_device); | |
| 1030 SetGWorld (surface->hwdata->offscreen, NULL); | |
| 1031 | |
| 1032 Index2Color (key, &(surface->hwdata->trans)); | |
| 1033 surface->flags |= SDL_SRCCOLORKEY; | |
| 1034 | |
| 1035 SetGWorld (save_port, save_device); | |
| 1036 | |
| 1037 if ( surface->flags & SDL_SRCALPHA ) { | |
| 1038 return(DSp_MakeHWMask (this, surface)); | |
| 1039 } | |
| 1040 return(0); | |
| 1041 } | |
| 1042 | |
| 1043 #endif /* DSP_TRY_CC_AND_AA */ | |
| 1044 | |
| 1045 static int DSp_NewHWSurface(_THIS, CGrafPtr *port, int depth, int width, int height) { | |
| 1046 | |
| 1047 OSStatus err; | |
| 1048 Rect bounds; | |
| 1049 | |
| 1050 SetRect (&bounds, 0, 0, width, height); | |
| 1051 | |
|
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1052 #if useDistantHdwrMem && useLocalHdwrMem |
| 0 | 1053 if (dsp_vram_available) { |
| 1054 /* try VRAM */ | |
| 1055 err = NewGWorld (port, depth, &bounds, 0 , SDL_Display, useDistantHdwrMem | noNewDevice ); | |
| 1056 if (err != noErr) | |
| 1057 DSp_SetHWError (err, SDL_FALSE); | |
| 1058 else | |
| 1059 return (0); | |
| 1060 } | |
| 1061 | |
| 1062 if (dsp_agp_available) { | |
| 1063 /* try AGP */ | |
| 1064 err = NewGWorld (port, depth, &bounds, 0 , SDL_Display, useLocalHdwrMem | noNewDevice ); | |
| 1065 | |
| 1066 if (err != noErr) | |
| 1067 DSp_SetHWError (err, SDL_TRUE); | |
| 1068 else | |
| 1069 return (0); | |
| 1070 } | |
|
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1071 #endif |
| 0 | 1072 |
| 1073 return (-1); | |
| 1074 } | |
| 1075 | |
| 1076 static int DSp_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 1077 { | |
| 1078 GWorldPtr temp; | |
| 1079 | |
| 1080 if ( DSp_NewHWSurface (this, &temp, surface->format->BitsPerPixel, surface->w, surface->h) < 0 ) | |
| 1081 return (-1); | |
| 1082 | |
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1083 surface->hwdata = (private_hwdata*) SDL_malloc (sizeof (private_hwdata)); |
| 0 | 1084 if (surface->hwdata == NULL) { |
| 1085 SDL_OutOfMemory (); | |
| 1086 return -1; | |
| 1087 } | |
| 1088 | |
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1089 SDL_memset (surface->hwdata, 0, sizeof(private_hwdata)); |
| 0 | 1090 surface->hwdata->offscreen = temp; |
| 1091 surface->pitch = GetPixRowBytes (GetPortPixMap (temp)) & 0x3FFF; | |
| 1092 surface->pixels = GetPixBaseAddr (GetPortPixMap (temp)); | |
| 1093 surface->flags |= SDL_HWSURFACE; | |
| 1094 #ifdef DSP_TRY_CC_AND_AA | |
| 1095 surface->flags |= SDL_HWACCEL; | |
| 1096 #endif | |
| 1097 return 0; | |
| 1098 } | |
| 1099 | |
| 1100 static void DSp_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 1101 { | |
| 1102 if (surface->hwdata->offscreen != NULL) | |
| 1103 DisposeGWorld (surface->hwdata->offscreen); | |
|
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1104 SDL_free(surface->hwdata); |
| 0 | 1105 |
| 1106 surface->pixels = NULL; | |
| 1107 } | |
| 1108 | |
| 1109 static int DSp_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dest) | |
| 1110 { | |
| 1111 int accelerated; | |
| 1112 | |
| 1113 /* Set initial acceleration on */ | |
| 1114 src->flags |= SDL_HWACCEL; | |
| 1115 | |
| 1116 /* Set the surface attributes */ | |
| 1117 if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { | |
| 1118 if ( ! this->info.blit_hw_A ) { | |
| 1119 src->flags &= ~SDL_HWACCEL; | |
| 1120 } | |
| 1121 } | |
| 1122 if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { | |
| 1123 if ( ! this->info.blit_hw_CC ) { | |
| 1124 src->flags &= ~SDL_HWACCEL; | |
| 1125 } | |
| 1126 } | |
| 1127 | |
| 1128 /* Check to see if final surface blit is accelerated */ | |
| 1129 accelerated = !!(src->flags & SDL_HWACCEL); | |
| 1130 if ( accelerated ) { | |
| 1131 src->map->hw_blit = DSp_HWAccelBlit; | |
| 1132 } | |
| 1133 return(accelerated); | |
| 1134 } | |
| 1135 | |
| 1136 static int DSp_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, | |
| 1137 SDL_Surface *dst, SDL_Rect *dstrect) | |
| 1138 { | |
| 1139 CGrafPtr save_port; | |
| 1140 GDHandle save_device; | |
| 1141 Rect src_rect, dst_rect; | |
| 1142 RGBColor black = { 0, 0, 0 }; | |
| 1143 RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF }; | |
| 1144 | |
| 1145 #ifdef DSP_TRY_CC_AND_AA | |
| 1146 UInt32 mode; | |
| 1147 #endif | |
| 1148 | |
| 1149 SetRect (&src_rect, srcrect->x, srcrect->y, srcrect->x + srcrect->w, srcrect->y + srcrect->h); | |
| 1150 SetRect (&dst_rect, dstrect->x, dstrect->y, dstrect->x + dstrect->w, dstrect->y + dstrect->h); | |
| 1151 | |
| 1152 GetGWorld (&save_port, &save_device); | |
| 1153 SetGWorld (dst->hwdata->offscreen, NULL); | |
| 1154 | |
| 1155 RGBForeColor (&black); | |
| 1156 RGBBackColor (&white); | |
| 1157 | |
| 1158 #ifdef DSP_TRY_CC_AND_AA | |
| 1159 | |
| 1160 if ( (src->flags & SDL_SRCCOLORKEY) && | |
| 1161 (src->flags & SDL_SRCALPHA) ) { | |
| 1162 | |
| 1163 OpColor (&(src->hwdata->alpha)); | |
| 1164 | |
| 1165 CopyDeepMask ( GetPortBitMapForCopyBits(src->hwdata->offscreen), | |
| 1166 GetPortBitMapForCopyBits(src->hwdata->mask), | |
| 1167 GetPortBitMapForCopyBits(dst->hwdata->offscreen), | |
| 1168 &src_rect, &src_rect, &dst_rect, | |
| 1169 blend, | |
| 1170 NULL ); | |
| 1171 } | |
| 1172 else { | |
| 1173 | |
| 1174 if ( src->flags & SDL_SRCCOLORKEY) { | |
| 1175 RGBBackColor (&(src->hwdata->trans) ); | |
| 1176 mode = transparent; | |
| 1177 } | |
| 1178 else if (src->flags & SDL_SRCALPHA) { | |
| 1179 | |
| 1180 OpColor (&(src->hwdata->alpha)); | |
| 1181 mode = blend; | |
| 1182 } | |
| 1183 else { | |
| 1184 | |
| 1185 mode = srcCopy; | |
| 1186 } | |
| 1187 | |
| 1188 CopyBits ( GetPortBitMapForCopyBits(src->hwdata->offscreen), | |
| 1189 GetPortBitMapForCopyBits(dst->hwdata->offscreen), | |
| 1190 &src_rect, &dst_rect, mode, NULL ); | |
| 1191 } | |
| 1192 #else | |
| 1193 | |
| 1194 CopyBits ( &(((GrafPtr)(src->hwdata->offscreen))->portBits), | |
| 1195 &(((GrafPtr)(dst->hwdata->offscreen))->portBits), | |
| 1196 &src_rect, &dst_rect, srcCopy, NULL ); | |
| 1197 | |
| 1198 #endif /* DSP_TRY_CC_AND_AA */ | |
| 1199 | |
| 1200 SetGWorld (save_port, save_device); | |
| 1201 | |
| 1202 return(0); | |
| 1203 } | |
| 1204 | |
| 1205 static int DSp_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) | |
| 1206 { | |
| 1207 CGrafPtr save_port; | |
| 1208 GDHandle save_device; | |
| 1209 Rect fill_rect; | |
| 1210 RGBColor rgb; | |
| 1211 | |
| 1212 SetRect (&fill_rect, rect->x, rect->y, rect->x + rect->w, rect->y + rect->h); | |
| 1213 | |
| 1214 GetGWorld (&save_port, &save_device); | |
| 1215 SetGWorld (dst->hwdata->offscreen, NULL); | |
| 1216 | |
| 1217 Index2Color (color, &rgb); | |
| 1218 | |
| 1219 RGBForeColor (&rgb); | |
| 1220 PaintRect (&fill_rect); | |
| 1221 | |
| 1222 SetGWorld (save_port, save_device); | |
| 1223 | |
| 1224 return(0); | |
| 1225 } | |
| 1226 | |
| 1227 static int DSp_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 1228 { | |
| 1229 if ( (surface->flags & SDL_HWSURFACE) ) { | |
| 1230 CGrafPtr dsp_front_buffer, save_port; | |
| 1231 Rect rect; | |
| 1232 | |
|
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|
1233 #if ! TARGET_API_MAC_OSX |
| 0 | 1234 unsigned int old_count; |
|
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|
1235 #endif |
|
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parents:
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diff
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|
1236 |
| 0 | 1237 /* pseudo page flipping for VRAM back buffer*/ |
| 1238 DSpContext_GetFrontBuffer (dsp_context, &dsp_front_buffer); | |
| 1239 SetRect (&rect, 0, 0, surface->w-1, surface->h-1); | |
| 1240 | |
| 1241 GetPort ((GrafPtr *)&save_port); | |
| 1242 SetPort ((GrafPtr)dsp_front_buffer); | |
| 1243 | |
| 1244 /* wait for retrace */ | |
| 1245 /* I have tried doing the swap in interrupt routine (VBL Proc) to do */ | |
| 1246 /* it asynchronously, but apparently CopyBits isn't interrupt safe */ | |
| 1247 | |
| 1248 #if ! TARGET_API_MAC_OSX | |
| 1249 #ifndef DSP_NO_SYNC_VBL | |
| 1250 old_count = retrace_count; | |
| 1251 while (old_count == retrace_count) | |
| 1252 ; | |
| 1253 #endif | |
| 1254 #endif | |
| 1255 | |
| 1256 CopyBits ( GetPortBitMapForCopyBits(dsp_back_buffer), | |
| 1257 GetPortBitMapForCopyBits(dsp_front_buffer), | |
| 1258 &rect, &rect, srcCopy, NULL ); | |
| 1259 | |
| 1260 SetPort ((GrafPtr)save_port); | |
| 1261 | |
| 1262 } else { | |
| 1263 /* not really page flipping at all: DSp just blits the dirty rectangles from DSp_UpdateRects */ | |
| 1264 Boolean busy_flag; | |
| 1265 DSpContext_SwapBuffers (dsp_context, NULL, &busy_flag); /* this waits for VBL */ | |
| 1266 DSpContext_GetBackBuffer (dsp_context, kDSpBufferKind_Normal, &dsp_back_buffer); | |
| 1267 surface->pixels = GetPixBaseAddr( GetPortPixMap(dsp_back_buffer) ); | |
| 1268 } | |
| 1269 return(0); | |
| 1270 } | |
| 1271 | |
| 1272 static int DSp_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 1273 { | |
| 1274 if ( LockPixels (GetGWorldPixMap (surface->hwdata->offscreen)) ) | |
| 1275 return 0; | |
| 1276 else | |
| 1277 return -1; | |
| 1278 } | |
| 1279 | |
| 1280 static void DSp_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 1281 { | |
| 1282 UnlockPixels (GetGWorldPixMap (surface->hwdata->offscreen)); | |
| 1283 } | |
| 1284 | |
| 1285 static void DSp_DirectUpdate(_THIS, int numrects, SDL_Rect *sdl_rects) | |
| 1286 { | |
| 1287 return; | |
| 1288 } | |
| 1289 | |
| 1290 static void DSp_DSpUpdate(_THIS, int numrects, SDL_Rect *sdl_rects) | |
| 1291 { | |
| 1292 #if ! TARGET_API_MAC_OSX /* Unsupported DSp in here */ | |
| 1293 int i; | |
| 1294 Rect rect; | |
| 1295 | |
| 1296 for (i = 0; i < numrects; i++) { | |
| 1297 | |
| 1298 rect.top = sdl_rects[i].y; | |
| 1299 rect.left = sdl_rects[i].x; | |
| 1300 rect.bottom = sdl_rects[i].h + sdl_rects[i].y; | |
| 1301 rect.right = sdl_rects[i].w + sdl_rects[i].x; | |
| 1302 | |
| 1303 DSpContext_InvalBackBufferRect (dsp_context, &rect); | |
| 1304 } | |
| 1305 #endif | |
| 1306 } | |
| 1307 | |
| 1308 static int DSp_CreatePalette(_THIS) { | |
| 1309 | |
| 1310 | |
| 1311 /* Create our palette */ | |
| 1312 SDL_CTab = (CTabHandle)NewHandle(sizeof(ColorSpec)*256 + 8); | |
| 1313 if ( SDL_CTab == nil ) { | |
| 1314 SDL_OutOfMemory(); | |
| 1315 return(-1); | |
| 1316 } | |
| 1317 (**SDL_CTab).ctSeed = GetCTSeed(); | |
| 1318 (**SDL_CTab).ctFlags = 0; | |
| 1319 (**SDL_CTab).ctSize = 255; | |
| 1320 CTabChanged(SDL_CTab); | |
| 1321 SDL_CPal = NewPalette(256, SDL_CTab, pmExplicit+pmTolerant, 0); | |
| 1322 | |
| 1323 return 0; | |
| 1324 } | |
| 1325 | |
| 1326 static int DSp_DestroyPalette(_THIS) { | |
| 1327 | |
| 1328 /* Free palette and restore original one */ | |
| 1329 if ( SDL_CTab != nil ) { | |
| 1330 DisposeHandle((Handle)SDL_CTab); | |
| 1331 SDL_CTab = nil; | |
| 1332 } | |
| 1333 if ( SDL_CPal != nil ) { | |
| 1334 DisposePalette(SDL_CPal); | |
| 1335 SDL_CPal = nil; | |
| 1336 } | |
| 1337 RestoreDeviceClut(SDL_Display); | |
| 1338 | |
| 1339 return (0); | |
| 1340 } | |
| 1341 | |
| 1342 static int DSp_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1343 { | |
| 1344 CTabHandle cTab; | |
| 1345 | |
| 1346 int i; | |
| 1347 | |
| 1348 cTab = SDL_CTab; | |
| 1349 | |
| 1350 /* Verify the range of colors */ | |
| 1351 if ( (firstcolor+ncolors) > ((**cTab).ctSize+1) ) { | |
| 1352 return(0); | |
| 1353 } | |
| 1354 | |
| 1355 /* Set the screen palette and update the display */ | |
| 1356 for(i = 0; i < ncolors; i++) { | |
| 1357 int j = firstcolor + i; | |
| 1358 (**cTab).ctTable[j].value = j; | |
| 1359 (**cTab).ctTable[j].rgb.red = colors[i].r << 8 | colors[i].r; | |
| 1360 (**cTab).ctTable[j].rgb.green = colors[i].g << 8 | colors[i].g; | |
| 1361 (**cTab).ctTable[j].rgb.blue = colors[i].b << 8 | colors[i].b; | |
| 1362 } | |
| 1363 | |
| 1364 SetGDevice(SDL_Display); | |
| 1365 SetEntries(0, (**cTab).ctSize, (ColorSpec *)&(**cTab).ctTable); | |
| 1366 | |
| 1367 return(1); | |
| 1368 } | |
| 1369 | |
| 1370 void DSp_VideoQuit(_THIS) | |
| 1371 { | |
| 1372 int i; | |
| 1373 | |
| 1374 /* Free current video mode */ | |
| 1375 DSp_UnsetVideoMode(this, this->screen); | |
| 1376 | |
| 1377 /* Free Palette and restore original */ | |
| 1378 DSp_DestroyPalette (this); | |
| 1379 | |
| 1380 /* Free list of video modes */ | |
| 1381 if ( SDL_modelist != NULL ) { | |
| 1382 for ( i=0; SDL_modelist[i]; i++ ) { | |
|
1336
3692456e7b0f
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Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
1383 SDL_free(SDL_modelist[i]); |
| 0 | 1384 } |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
1385 SDL_free(SDL_modelist); |
| 0 | 1386 SDL_modelist = NULL; |
| 1387 } | |
| 1388 | |
| 1389 /* Unload DrawSprocket */ | |
| 1390 DSpShutdown (); | |
| 1391 } | |
| 1392 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1393 #if SDL_VIDEO_OPENGL |
| 0 | 1394 |
| 1395 /* swap buffers with v-sync */ | |
| 1396 static void DSp_GL_SwapBuffers (_THIS) { | |
| 1397 | |
| 1398 #ifndef DSP_NO_SYNC_OPENGL | |
| 1399 | |
| 1400 unsigned int old_count; | |
| 1401 | |
| 1402 old_count = retrace_count; | |
| 1403 while (old_count == retrace_count) | |
| 1404 ; | |
| 1405 #endif | |
| 1406 | |
| 1407 aglSwapBuffers (glContext); | |
| 1408 } | |
| 1409 | |
| 1410 #endif |