Mercurial > sdl-ios-xcode
view test/testoverlay.c @ 4389:c6c3a6e7db46 SDL-1.2
Fixed bug #899
Jeremiah Morris 2009-12-09 16:23:50 PST
Re-enable mouseLocation workaround on 10.4, 10.5
OS X systems before 10.6 have a bug with [NSEvent mouseLocation] if the screen
resolution changes. SDL_QuartzVideo.m contains a workaround for this bug, but
it was placed inside an #ifdef in revision 4762. The comment reads, "I'm
gambling they fixed this by 10.4."
After seeing this bug on several Tiger and Leopard systems (both PPC and
Intel), I can confirm that it's not fixed until 10.6. The workaround doesn't
compile for x86_64/10.6, so I can understand why it was segregated, but it
needs to remain in place for the i386 and ppc versions. The workaround causes
no problems under 10.6, even though it's not necessary there.
Patch is attached with one method of keeping the workaround active on the
systems that need it.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 11 Dec 2009 15:11:49 +0000 (2009-12-11) |
parents | 4d3bb026cd16 |
children | 782fd950bd46 c121d94672cb |
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/* Bring up a window and play with it */ #include <stdlib.h> #include <stdio.h> #include <string.h> #define BENCHMARK_SDL #define NOTICE(X) printf("%s", X); #define WINDOW_WIDTH 640 #define WINDOW_HEIGHT 480 #include "SDL.h" SDL_Surface *screen, *pic; SDL_Overlay *overlay; int scale; int monochrome; int luminance; int w, h; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_Quit(); exit(rc); } /* NOTE: These RGB conversion functions are not intended for speed, only as examples. */ void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance) { if (monochrome) { #if 1 /* these are the two formulas that I found on the FourCC site... */ yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; yuv[1] = 128; yuv[2] = 128; #else yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; yuv[1] = 128; yuv[2] = 128; #endif } else { #if 1 /* these are the two formulas that I found on the FourCC site... */ yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; yuv[1] = (rgb[2]-yuv[0])*0.565 + 128; yuv[2] = (rgb[0]-yuv[0])*0.713 + 128; #else yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]); yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]); #endif } if (luminance!=100) { yuv[0]=yuv[0]*luminance/100; if (yuv[0]>255) yuv[0]=255; } /* clamp values...if you need to, we don't seem to have a need */ /* for(i=0;i<3;i++) { if(yuv[i]<0) yuv[i]=0; if(yuv[i]>255) yuv[i]=255; } */ } void ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) { int x,y; int yuv[3]; Uint8 *p,*op[3]; SDL_LockSurface(s); SDL_LockYUVOverlay(o); /* Black initialization */ /* memset(o->pixels[0],0,o->pitches[0]*o->h); memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); */ /* Convert */ for(y=0; y<s->h && y<o->h; y++) { p=((Uint8 *) s->pixels)+s->pitch*y; op[0]=o->pixels[0]+o->pitches[0]*y; op[1]=o->pixels[1]+o->pitches[1]*(y/2); op[2]=o->pixels[2]+o->pitches[2]*(y/2); for(x=0; x<s->w && x<o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); *(op[0]++)=yuv[0]; if(x%2==0 && y%2==0) { *(op[1]++)=yuv[2]; *(op[2]++)=yuv[1]; } p+=s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) { int x,y; int yuv[3]; Uint8 *p,*op[3]; SDL_LockSurface(s); SDL_LockYUVOverlay(o); /* Black initialization */ /* memset(o->pixels[0],0,o->pitches[0]*o->h); memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); */ /* Convert */ for(y=0; y<s->h && y<o->h; y++) { p=((Uint8 *) s->pixels)+s->pitch*y; op[0]=o->pixels[0]+o->pitches[0]*y; op[1]=o->pixels[1]+o->pitches[1]*(y/2); op[2]=o->pixels[2]+o->pitches[2]*(y/2); for(x=0; x<s->w && x<o->w; x++) { RGBtoYUV(p,yuv, monochrome, luminance); *(op[0]++)=yuv[0]; if(x%2==0 && y%2==0) { *(op[1]++)=yuv[1]; *(op[2]++)=yuv[2]; } p+=s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) { int x,y; int yuv[3]; Uint8 *p,*op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for(y=0; y<s->h && y<o->h; y++) { p=((Uint8 *) s->pixels)+s->pitch*y; op=o->pixels[0]+o->pitches[0]*y; for(x=0; x<s->w && x<o->w; x++) { RGBtoYUV(p, yuv, monochrome, luminance); if(x%2==0) { *(op++)=yuv[1]; *(op++)=yuv[0]; *(op++)=yuv[2]; } else *(op++)=yuv[0]; p+=s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) { int x,y; int yuv[3]; Uint8 *p,*op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for(y=0; y<s->h && y<o->h; y++) { p=((Uint8 *) s->pixels)+s->pitch*y; op=o->pixels[0]+o->pitches[0]*y; for(x=0; x<s->w && x<o->w; x++) { RGBtoYUV(p,yuv, monochrome, luminance); if(x%2==0) { *(op++)=yuv[0]; *(op++)=yuv[2]; op[1]=yuv[1]; } else { *op=yuv[0]; op+=2; } p+=s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) { int x,y; int yuv[3]; Uint8 *p,*op; SDL_LockSurface(s); SDL_LockYUVOverlay(o); for(y=0; y<s->h && y<o->h; y++) { p=((Uint8 *) s->pixels)+s->pitch*y; op=o->pixels[0]+o->pitches[0]*y; for(x=0; x<s->w && x<o->w; x++) { RGBtoYUV(p,yuv, monochrome, luminance); if(x%2==0) { *(op++)=yuv[0]; *(op++)=yuv[1]; op[1]=yuv[2]; } else { *op=yuv[0]; op+=2; } p+=s->format->BytesPerPixel; } } SDL_UnlockYUVOverlay(o); SDL_UnlockSurface(s); } void Draw() { SDL_Rect rect; int i; int disp; if(!scale) { rect.w=overlay->w; rect.h=overlay->h; for(i=0; i<h-rect.h && i<w-rect.w; i++) { rect.x=i; rect.y=i; SDL_DisplayYUVOverlay(overlay,&rect); } } else { rect.w=overlay->w/2; rect.h=overlay->h/2; rect.x=(w-rect.w)/2; rect.y=(h-rect.h)/2; disp=rect.y-1; for(i=0; i<disp; i++) { rect.w+=2; rect.h+=2; rect.x--; rect.y--; SDL_DisplayYUVOverlay(overlay,&rect); } } printf("Displayed %d times.\n",i); } static void PrintUsage(char *argv0) { fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0); fprintf(stderr, "Where 'arg' is one of:\n"); fprintf(stderr, " -delay <seconds>\n"); fprintf(stderr, " -width <pixels>\n"); fprintf(stderr, " -height <pixels>\n"); fprintf(stderr, " -bpp <bits>\n"); fprintf(stderr, " -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n"); fprintf(stderr, " -hw\n"); fprintf(stderr, " -flip\n"); fprintf(stderr, " -scale (test scaling features, from 50%% upto window size)\n"); fprintf(stderr, " -mono (use monochromatic RGB2YUV conversion)\n"); fprintf(stderr, " -lum <perc> (use luminance correction during RGB2YUV conversion,\n"); fprintf(stderr, " from 0%% to unlimited, normal is 100%%)\n"); fprintf(stderr, " -help (shows this help)\n"); fprintf(stderr, " -fullscreen (test overlay in fullscreen mode)\n"); } int main(int argc, char **argv) { char *argv0 = argv[0]; int flip; int delay; int desired_bpp; Uint32 video_flags, overlay_format; char *bmpfile; #ifdef BENCHMARK_SDL Uint32 then, now; #endif int i; /* Set default options and check command-line */ flip = 0; scale=0; monochrome=0; luminance=100; delay = 1; w = WINDOW_WIDTH; h = WINDOW_HEIGHT; desired_bpp = 0; video_flags = 0; overlay_format = SDL_YV12_OVERLAY; while ( argc > 1 ) { if ( strcmp(argv[1], "-delay") == 0 ) { if ( argv[2] ) { delay = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -delay option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-width") == 0 ) { if ( argv[2] && ((w = atoi(argv[2])) > 0) ) { argv += 2; argc -= 2; } else { fprintf(stderr, "The -width option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-height") == 0 ) { if ( argv[2] && ((h = atoi(argv[2])) > 0) ) { argv += 2; argc -= 2; } else { fprintf(stderr, "The -height option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-bpp") == 0 ) { if ( argv[2] ) { desired_bpp = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -bpp option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-lum") == 0 ) { if ( argv[2] ) { luminance = atoi(argv[2]); argv += 2; argc -= 2; } else { fprintf(stderr, "The -lum option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-format") == 0 ) { if ( argv[2] ) { if(!strcmp(argv[2],"YV12")) overlay_format = SDL_YV12_OVERLAY; else if(!strcmp(argv[2],"IYUV")) overlay_format = SDL_IYUV_OVERLAY; else if(!strcmp(argv[2],"YUY2")) overlay_format = SDL_YUY2_OVERLAY; else if(!strcmp(argv[2],"UYVY")) overlay_format = SDL_UYVY_OVERLAY; else if(!strcmp(argv[2],"YVYU")) overlay_format = SDL_YVYU_OVERLAY; else { fprintf(stderr, "The -format option %s is not recognized\n",argv[2]); return(1); } argv += 2; argc -= 2; } else { fprintf(stderr, "The -format option requires an argument\n"); return(1); } } else if ( strcmp(argv[1], "-hw") == 0 ) { video_flags |= SDL_HWSURFACE; argv += 1; argc -= 1; } else if ( strcmp(argv[1], "-flip") == 0 ) { video_flags |= SDL_DOUBLEBUF; argv += 1; argc -= 1; } else if ( strcmp(argv[1], "-scale") == 0 ) { scale = 1; argv += 1; argc -= 1; } else if ( strcmp(argv[1], "-mono") == 0 ) { monochrome = 1; argv += 1; argc -= 1; } else if (( strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0)) { PrintUsage(argv0); return(1); } else if ( strcmp(argv[1], "-fullscreen") == 0 ) { video_flags |= SDL_FULLSCREEN; argv += 1; argc -= 1; } else break; } if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); return(1); } /* Initialize the display */ screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags); if ( screen == NULL ) { fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", w, h, desired_bpp, SDL_GetError()); quit(1); } printf("Set%s %dx%dx%d mode\n", screen->flags & SDL_FULLSCREEN ? " fullscreen" : "", screen->w, screen->h, screen->format->BitsPerPixel); printf("(video surface located in %s memory)\n", (screen->flags&SDL_HWSURFACE) ? "video" : "system"); if ( screen->flags & SDL_DOUBLEBUF ) { printf("Double-buffering enabled\n"); flip = 1; } /* Set the window manager title bar */ SDL_WM_SetCaption("SDL test overlay", "testoverlay"); /* Load picture */ bmpfile=(argv[1]?argv[1]:"sample.bmp"); pic = SDL_LoadBMP(bmpfile); if ( pic == NULL ) { fprintf(stderr, "Couldn't load %s: %s\n", bmpfile, SDL_GetError()); quit(1); } /* Convert the picture to 32bits, for easy conversion */ { SDL_Surface *newsurf; SDL_PixelFormat format; format.palette=NULL; format.BitsPerPixel=32; format.BytesPerPixel=4; #if SDL_BYTEORDER == SDL_LIL_ENDIAN format.Rshift=0; format.Gshift=8; format.Bshift=16; #else format.Rshift=24; format.Gshift=16; format.Bshift=8; #endif format.Ashift=0; format.Rmask=0xff<<format.Rshift; format.Gmask=0xff<<format.Gshift; format.Bmask=0xff<<format.Bshift; format.Amask=0; format.Rloss=0; format.Gloss=0; format.Bloss=0; format.Aloss=8; format.colorkey=0; format.alpha=0; newsurf=SDL_ConvertSurface(pic, &format, SDL_SWSURFACE); if(!newsurf) { fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", SDL_GetError()); quit(1); } SDL_FreeSurface(pic); pic=newsurf; } /* Create the overlay */ overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen); if ( overlay == NULL ) { fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError()); quit(1); } printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes, overlay->hw_overlay?"hardware":"software", overlay->format==SDL_YV12_OVERLAY?"YV12": overlay->format==SDL_IYUV_OVERLAY?"IYUV": overlay->format==SDL_YUY2_OVERLAY?"YUY2": overlay->format==SDL_UYVY_OVERLAY?"UYVY": overlay->format==SDL_YVYU_OVERLAY?"YVYU": "Unknown"); for(i=0; i<overlay->planes; i++) { printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]); } /* Convert to YUV, and draw to the overlay */ #ifdef BENCHMARK_SDL then = SDL_GetTicks(); #endif switch(overlay->format) { case SDL_YV12_OVERLAY: ConvertRGBtoYV12(pic,overlay,monochrome,luminance); break; case SDL_UYVY_OVERLAY: ConvertRGBtoUYVY(pic,overlay,monochrome,luminance); break; case SDL_YVYU_OVERLAY: ConvertRGBtoYVYU(pic,overlay,monochrome,luminance); break; case SDL_YUY2_OVERLAY: ConvertRGBtoYUY2(pic,overlay,monochrome,luminance); break; case SDL_IYUV_OVERLAY: ConvertRGBtoIYUV(pic,overlay,monochrome,luminance); break; default: printf("cannot convert RGB picture to obtained YUV format!\n"); quit(1); break; } #ifdef BENCHMARK_SDL now = SDL_GetTicks(); printf("Conversion Time: %d milliseconds\n", now-then); #endif /* Do all the drawing work */ #ifdef BENCHMARK_SDL then = SDL_GetTicks(); #endif Draw(); #ifdef BENCHMARK_SDL now = SDL_GetTicks(); printf("Time: %d milliseconds\n", now-then); #endif SDL_Delay(delay*1000); SDL_Quit(); return(0); }