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comparison src/video/dga/SDL_dgavideo.c @ 202:401f0134f4f9

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Fixed crash when using double-buffering with DGA
author Sam Lantinga <slouken@libsdl.org>
date Sun, 30 Sep 2001 20:19:20 +0000
parents 2136ea8953f9
children e8157fcb3114
comparison
equal deleted inserted replaced
201:ddee60057806 202:401f0134f4f9
529 flip_yoffset[1] = current->h; 529 flip_yoffset[1] = current->h;
530 flip_address[0] = memory_base; 530 flip_address[0] = memory_base;
531 flip_address[1] = memory_base+screen_len; 531 flip_address[1] = memory_base+screen_len;
532 surfaces_mem += screen_len; 532 surfaces_mem += screen_len;
533 surfaces_len -= screen_len; 533 surfaces_len -= screen_len;
534 DGA_FlipHWSurface(this, current);
535 } 534 }
536 } 535 }
537 536
538 /* Allocate memory tracking for hardware surfaces */ 537 /* Allocate memory tracking for hardware surfaces */
539 DGA_FreeHWSurfaces(this); 538 DGA_FreeHWSurfaces(this);
540 if ( surfaces_len < 0 ) { 539 if ( surfaces_len < 0 ) {
541 surfaces_len = 0; 540 surfaces_len = 0;
542 } 541 }
543 DGA_InitHWSurfaces(this, current, surfaces_mem, surfaces_len); 542 DGA_InitHWSurfaces(this, current, surfaces_mem, surfaces_len);
543
544 /* Expose the back buffer as surface memory */
545 if ( current->flags & SDL_DOUBLEBUF ) {
546 this->screen = current;
547 DGA_FlipHWSurface(this, current);
548 this->screen = NULL;
549 }
544 550
545 /* Set the update rectangle function */ 551 /* Set the update rectangle function */
546 this->UpdateRects = DGA_DirectUpdate; 552 this->UpdateRects = DGA_DirectUpdate;
547 553
548 /* Enable mouse and keyboard support */ 554 /* Enable mouse and keyboard support */