19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* AAlib based SDL video driver implementation. 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <unistd.h> 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <sys/stat.h> 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_video.h" 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_mouse.h" 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_sysvideo.h" 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_pixels_c.h" 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../../events/SDL_events_c.h" 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_aavideo.h" 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_aaevents_c.h" 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_aamouse_c.h" 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <aalib.h> 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Initialization/Query functions */ 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_VideoInit(_THIS, SDL_PixelFormat *vformat); 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic SDL_Rect **AA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic SDL_Surface *AA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_VideoQuit(_THIS); 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Hardware surface functions */ 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_AllocHWSurface(_THIS, SDL_Surface *surface); 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_LockHWSurface(_THIS, SDL_Surface *surface); 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_FlipHWSurface(_THIS, SDL_Surface *surface); 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_UnlockHWSurface(_THIS, SDL_Surface *surface); 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_FreeHWSurface(_THIS, SDL_Surface *surface); 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Cache the VideoDevice struct */ 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic struct SDL_VideoDevice *local_this; 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* AAlib driver bootstrap functions */ 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_Available(void) 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 1; /* Always available ! */ 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_DeleteDevice(SDL_VideoDevice *device) 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(device->hidden); 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(device); 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic SDL_VideoDevice *AA_CreateDevice(int devindex) 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_VideoDevice *device; 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Initialize all variables that we clean on shutdown */ 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( device ) { 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(device, 0, (sizeof *device)); 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->hidden = (struct SDL_PrivateVideoData *) 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_malloc((sizeof *device->hidden)); 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (device == NULL) || (device->hidden == NULL) ) { 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( device ) { 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(device); 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(device->hidden, 0, (sizeof *device->hidden)); 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Set the function pointers */ 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->VideoInit = AA_VideoInit; 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->ListModes = AA_ListModes; 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetVideoMode = AA_SetVideoMode; 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->CreateYUVOverlay = NULL; 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetColors = AA_SetColors; 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->UpdateRects = NULL; 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->VideoQuit = AA_VideoQuit; 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->AllocHWSurface = AA_AllocHWSurface; 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->CheckHWBlit = NULL; 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->FillHWRect = NULL; 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetHWColorKey = NULL; 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetHWAlpha = NULL; 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->LockHWSurface = AA_LockHWSurface; 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->UnlockHWSurface = AA_UnlockHWSurface; 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->FlipHWSurface = NULL; 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->FreeHWSurface = AA_FreeHWSurface; 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetCaption = NULL; 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->SetIcon = NULL; 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->IconifyWindow = NULL; 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->GrabInput = NULL; 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->GetWMInfo = NULL; 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->InitOSKeymap = AA_InitOSKeymap; 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->PumpEvents = AA_PumpEvents; 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall device->free = AA_DeleteDevice; 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return device; 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallVideoBootStrap AALIB_bootstrap = { 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall "aalib", "ASCII Art Library", 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_Available, AA_CreateDevice 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_ResizeHandler(aa_context *); 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint AA_VideoInit(_THIS, SDL_PixelFormat *vformat) 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int keyboard; 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Initialize all variables that we clean on shutdown */ 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i<SDL_NUMMODES; ++i ) { 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[i] = SDL_malloc(sizeof(SDL_Rect)); 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[i]->x = SDL_modelist[i]->y = 0; 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Modes sorted largest to smallest */ 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[0]->w = 1024; SDL_modelist[0]->h = 768; 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[1]->w = 800; SDL_modelist[1]->h = 600; 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[2]->w = 640; SDL_modelist[2]->h = 480; 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[3]->w = 320; SDL_modelist[3]->h = 400; 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[4]->w = 320; SDL_modelist[4]->h = 240; 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[5]->w = 320; SDL_modelist[5]->h = 200; 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[6] = NULL; 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Initialize the library */ 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_mutex = SDL_CreateMutex(); 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_parseoptions (NULL, NULL, NULL, NULL); 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_context = aa_autoinit(&aa_defparams); 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! AA_context ) { 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Unable to initialize AAlib"); 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Enable mouse and keyboard support */ 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! aa_autoinitkbd (AA_context, AA_SENDRELEASE) ) { 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Unable to initialize AAlib keyboard"); 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! aa_autoinitmouse (AA_context, AA_SENDRELEASE) ) { 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fprintf(stderr,"Warning: Unable to initialize AAlib mouse"); 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_rparams = aa_getrenderparams(); 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall local_this = this; 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_resizehandler(AA_context, AA_ResizeHandler); 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fprintf(stderr,"Using AAlib driver: %s (%s)\n", AA_context->driver->name, AA_context->driver->shortname); 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_in_x11 = (SDL_strcmp(AA_context->driver->shortname,"X11") == 0); 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Determine the screen depth (use default 8-bit depth) */ 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall vformat->BitsPerPixel = 8; 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall vformat->BytesPerPixel = 1; 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* We're done! */ 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_Rect **AA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if(format->BitsPerPixel != 8) 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( flags & SDL_FULLSCREEN ) { 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_modelist; 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (SDL_Rect **) -1; 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* From aavga.c 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AAlib does not give us the choice of the actual resolution, thus we have to simulate additional 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall resolution by scaling down manually each frame 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void fastscale (register char *b1, register char *b2, int x1, int x2, int y1, int y2) 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall register int ex, spx = 0, ddx, ddx1; 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int ddy1, ddy, spy = 0, ey; 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int x; 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *bb1 = b1; 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (!x1 || !x2 || !y1 || !y2) 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ddx = x1 + x1; 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ddx1 = x2 + x2; 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (ddx1 < ddx) 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall spx = ddx / ddx1, ddx %= ddx1; 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ddy = y1 + y1; 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ddy1 = y2 + y2; 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (ddy1 < ddy) 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall spy = (ddy / ddy1) * x1, ddy %= ddy1; 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ey = -ddy1; 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for (; y2; y2--) { 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ex = -ddx1; 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for (x = x2; x; x--) { 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall *b2 = *b1; 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall b2++; 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall b1 += spx; 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ex += ddx; 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (ex > 0) { 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall b1++; 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ex -= ddx1; 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall bb1 += spy; 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ey += ddy; 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (ey > 0) { 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall bb1 += x1; 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ey -= ddy1; 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall b1 = bb1; 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Various screen update functions available */ 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_Surface *AA_SetVideoMode(_THIS, SDL_Surface *current, 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int width, int height, int bpp, Uint32 flags) 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mode; 2499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( AA_buffer ) { 2519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free( AA_buffer ); 2529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_buffer = SDL_malloc(width * height); 2559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! AA_buffer ) { 2569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Couldn't allocate buffer for requested mode"); 2579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 2589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* printf("Setting mode %dx%d\n", width, height); */ 2619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(aa_image(AA_context), 0, aa_imgwidth(AA_context) * aa_imgheight(AA_context)); 2639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(AA_buffer, 0, width * height); 2649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Allocate the new pixel format for the screen */ 2669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! SDL_ReallocFormat(current, 8, 0, 0, 0, 0) ) { 2679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 2689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Set up the new mode framebuffer */ 2719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall current->flags = SDL_FULLSCREEN; 2729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_w = current->w = width; 2739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_h = current->h = height; 2749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall current->pitch = current->w; 2759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall current->pixels = AA_buffer; 2769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_x_ratio = ((double)aa_imgwidth(AA_context)) / ((double)width); 2789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AA_y_ratio = ((double)aa_imgheight(AA_context)) / ((double)height); 2799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Set the blit function */ 2819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall this->UpdateRects = AA_DirectUpdate; 2829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* We're done */ 2849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(current); 2859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_ResizeHandler(aa_context *context) 2889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_resize(context); 2909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall local_this->hidden->x_ratio = ((double)aa_imgwidth(context)) / ((double)local_this->screen->w); 2919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall local_this->hidden->y_ratio = ((double)aa_imgheight(context)) / ((double)local_this->screen->h); 2929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fastscale (local_this->hidden->buffer, aa_image(context), local_this->hidden->w, aa_imgwidth (context), local_this->hidden->h, aa_imgheight (context)); 2949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_renderpalette(context, local_this->hidden->palette, local_this->hidden->rparams, 0, 0, aa_scrwidth(context), aa_scrheight(context)); 2959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_flush(context); 2969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* We don't actually allow hardware surfaces other than the main one */ 2999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_AllocHWSurface(_THIS, SDL_Surface *surface) 3009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 3029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_FreeHWSurface(_THIS, SDL_Surface *surface) 3049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 3069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* We need to wait for vertical retrace on page flipped displays */ 3099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_LockHWSurface(_THIS, SDL_Surface *surface) 3109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* TODO ? */ 3129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 3139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_UnlockHWSurface(_THIS, SDL_Surface *surface) 3159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 3179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* FIXME: How is this done with AAlib? */ 3209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int AA_FlipHWSurface(_THIS, SDL_Surface *surface) 3219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexP(AA_mutex); 3239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_flush(AA_context); 3249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexV(AA_mutex); 3259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 3269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void AA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) 3299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 3319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Rect *rect; 3329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall fastscale (AA_buffer, aa_image(AA_context), AA_w, aa_imgwidth (AA_context), AA_h, aa_imgheight (AA_context)); 3349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if 1 3359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_renderpalette(AA_context, AA_palette, AA_rparams, 0, 0, aa_scrwidth(AA_context), aa_scrheight(AA_context)); 3369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else 3379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Render only the rectangles in the list */ 3389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("Update rects : "); 3399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i < numrects; ++i ) { 3409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall rect = &rects[i]; 3419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("(%d,%d-%d,%d)", rect->x, rect->y, rect->w, rect->h); 3429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_renderpalette(AA_context, AA_palette, AA_rparams, rect->x * AA_x_ratio, rect->y * AA_y_ratio, rect->w * AA_x_ratio, rect->h * AA_y_ratio); 3439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("\n"); 3459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 3469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexP(AA_mutex); 3479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_flush(AA_context); 3489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexV(AA_mutex); 3499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 3509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint AA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) 3539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 3559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i < ncolors; i++ ) { 3579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_setpalette(AA_palette, firstcolor + i, 3589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall colors[i].r>>2, 3599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall colors[i].g>>2, 3609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall colors[i].b>>2); 3619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(1); 3639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Note: If we are terminated, this could be called in the middle of 3669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall another SDL video routine -- notably UpdateRects. 3679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 3689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid AA_VideoQuit(_THIS) 3699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 3719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_uninitkbd(AA_context); 3739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_uninitmouse(AA_context); 3749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Free video mode lists */ 3769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i<SDL_NUMMODES; ++i ) { 3779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_modelist[i] != NULL ) { 3789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(SDL_modelist[i]); 3799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_modelist[i] = NULL; 3809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall aa_close(AA_context); 3849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_DestroyMutex(AA_mutex); 3869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall this->screen->pixels = NULL; 3889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 389