#define DISP /* * video_out_dga.c, X11 interface * * * Copyright ( C ) 2001, Andreas Ackermann. All Rights Reserved. * * * * note well: * * o this is alpha * o covers only common video card formats * o works only on intel architectures * */ #include #include #include #include "linux/keycodes.h" #include "config.h" #include "video_out.h" #include "video_out_internal.h" #include "yuv2rgb.h" LIBVO_EXTERN( dga ) #include #include static vo_info_t vo_info = { "DGA ( Direct Graphic Access )", "dga", "Andreas Ackermann ", "" }; int vo_dga_width; // bytes per line in framebuffer int vo_dga_vp_width; // visible pixels per line in framebuffer int vo_dga_vp_height; // visible lines in framebuffer int vo_dga_is_running = 0; int vo_dga_src_width; // width of video in pixels int vo_dga_src_height; // height of video in pixels int vo_dga_bpp; // bytes per pixel in framebuffer int vo_dga_src_offset=0; // offset in src int vo_dga_vp_offset=0; // offset in dest int vo_dga_bytes_per_line; // longwords per line to copy int vo_dga_src_skip; // bytes to skip after copying one line // (not supported yet) in src int vo_dga_vp_skip; // dto. for dest int vo_dga_lines; // num of lines to copy int vo_dga_src_format; unsigned char *vo_dga_base; Display *vo_dga_dpy; extern void vo_decoration( Display * vo_Display,Window w,int d ); #include "mmx.h" #if defined (HAVE_SSE) || defined (HAVE_3DNOW) #define movntq "movntq" // use this for processors that have SSE or 3Dnow #else #define movntq "movq" // for MMX-only processors #endif #define rep_movsl(dest, src, numwords, d_add, count) \ __asm__ __volatile__( \ " \ xfer: \n\t\ movl %%edx, %%ecx \n\t \ cld\n\t \ rep\n\t \ movsl \n\t\ add %%eax, %%edi \n\t\ dec %%ebx \n\t\ jnz xfer \n\t\ " \ : \ : "a" (d_add), "b" (count), "S" (src), "D" (dest), "d" (numwords) \ : "memory" ) #if 0 : "S" (src), "D" (dest), "c" (numwords) \ movq (%%eax), %%mm0 \n\t \ add $64, %%edx \n\t \ movq 8(%%eax), %%mm1 \n\t \ add $64, %%eax \n\t \ movq -48(%%eax), %%mm2 \n\t \ movq %%mm0, -64(%%edx) \n\t \ movq -40(%%eax), %%mm3 \n\t \ movq %%mm1, -56(%%edx) \n\t \ movq -32(%%eax), %%mm4 \n\t \ movq %%mm2, -48(%%edx) \n\t \ movq -24(%%eax), %%mm5 \n\t \ movq %%mm3, -40(%%edx) \n\t \ movq -16(%%eax), %%mm6 \n\t \ movq %%mm4, -32(%%edx) \n\t \ movq -8(%%eax), %%mm7 \n\t \ movq %%mm5, -24(%%edx) \n\t \ movq %%mm6, -16(%%edx) \n\t \ dec %%ecx \n\t \ movq %%mm7, -8(%%edx) \n\t \ jnz xfer \n\t \ #endif #define mmx_movsl(dest, src, numwords) \ __asm__ __volatile__( \ " \ \n\t \ xfer: \n\t \ movq (%%eax), %%mm0 \n\t \ add $64, %%edx \n\t \ movq 8(%%eax), %%mm1 \n\t \ add $64, %%eax \n\t \ movq -48(%%eax), %%mm2 \n\t \ movq %%mm0, -64(%%edx) \n\t \ movq -40(%%eax), %%mm3 \n\t \ movq %%mm1, -56(%%edx) \n\t \ movq -32(%%eax), %%mm4 \n\t \ movq %%mm2, -48(%%edx) \n\t \ movq -24(%%eax), %%mm5 \n\t \ movq %%mm3, -40(%%edx) \n\t \ movq -16(%%eax), %%mm6 \n\t \ movq %%mm4, -32(%%edx) \n\t \ movq -8(%%eax), %%mm7 \n\t \ movq %%mm5, -24(%%edx) \n\t \ movq %%mm6, -16(%%edx) \n\t \ dec %%ecx \n\t \ movq %%mm7, -8(%%edx) \n\t \ jnz xfer \n\t \ \ " \ : \ : "a" (src), "d" (dest), "c" (numwords) \ : "memory" ) // src <= eax // dst <= edx // num <= ecx static uint32_t draw_frame( uint8_t *src[] ){ int vp_skip = vo_dga_vp_skip; int lpl = vo_dga_bytes_per_line >> 2; int numlines = vo_dga_lines; char *s, *d; if( vo_dga_src_format==IMGFMT_YV12 ){ // We'll never reach this point, because YV12 codecs always calls draw_slice printf("vo_dga: draw_frame() doesn't support IMGFMT_YV12 (yet?)\n"); }else{ s = *src; d = (&((char *)vo_dga_base)[vo_dga_vp_offset]); rep_movsl(d, s, lpl, vo_dga_vp_skip, numlines ); } return 0; } static void flip_page( void ){ // printf("vo_dga: In flippage\n"); } static uint32_t draw_slice( uint8_t *src[],int stride[], int w,int h,int x,int y ) { // printf("vo_dga: draw_slice() not implemented (yet?)\n"); yuv2rgb( vo_dga_base + vo_dga_vp_offset + (vo_dga_width * y +x) * vo_dga_bpp, src[0], src[1], src[2], w,h, vo_dga_width * vo_dga_bpp, stride[0],stride[1] ); return 0; return 0; }; static void Terminate_Display_Process( void ){ printf("vo_dga: Terminating display process\n"); } static const vo_info_t* get_info( void ) { return &vo_info; } static uint32_t query_format( uint32_t format ) { printf("vo_dga: query_format\n"); if( !vo_init() ) return 0; // Can't open X11 printf("Format: %lx\n", format); if( format==IMGFMT_YV12 ) return 1; if( ( format&IMGFMT_BGR_MASK )==IMGFMT_BGR && ( format&0xFF )==vo_depthonscreen ) return 1; return 0; } static void uninit(void) { vo_dga_is_running = 0; printf("vo_dga: in uninit\n"); XUngrabPointer (vo_dga_dpy, CurrentTime); XUngrabKeyboard (vo_dga_dpy, CurrentTime); XF86DGADirectVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), 0); XCloseDisplay(vo_dga_dpy); } static uint32_t init( uint32_t width, uint32_t height, uint32_t d_width,uint32_t d_height, uint32_t fullscreen,char *title,uint32_t format ) { int bank, ram; int x_off, y_off; if( vo_dga_is_running )return -1; if( !vo_init() ){ printf("vo_dga: vo_init() failed!\n"); return 0; } if((vo_dga_dpy = XOpenDisplay(0))==NULL) { printf ("vo_dga: Can't open display\n"); return 1; } XF86DGAGetVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), (char **)&vo_dga_base, &vo_dga_width, &bank, &ram); XF86DGAGetViewPortSize (vo_dga_dpy, XDefaultScreen (vo_dga_dpy), &vo_dga_vp_width, &vo_dga_vp_height); // do some more checkings here ... if( format==IMGFMT_YV12 ) yuv2rgb_init( vo_depthonscreen, MODE_RGB ); vo_dga_src_format = format; vo_dga_src_width = width; vo_dga_src_height = height; vo_dga_bpp = (vo_depthonscreen+7) >> 3; printf("vo_dga: bytes/line: %d, screen res: %dx%d, depth: %d, base: %08x, bpp: %d\n", vo_dga_width, vo_dga_vp_width, vo_dga_vp_height, vo_depthonscreen, vo_dga_base, vo_dga_bpp); printf("vo_dga: video res: %dx%d\n", vo_dga_src_width, vo_dga_src_height); if(vo_dga_src_width > vo_dga_vp_width || vo_dga_src_height > vo_dga_vp_height){ printf("vo_dga: Sorry, video larger than viewport is not yet supported!\n"); // ugly, do something nicer in the future ... return 1; } x_off = (vo_dga_vp_width - vo_dga_src_width)>>1; y_off = (vo_dga_vp_height - vo_dga_src_height)>>1; vo_dga_bytes_per_line = vo_dga_src_width * vo_dga_bpp; // todo vo_dga_lines = vo_dga_src_height; // todo vo_dga_src_offset = 0; vo_dga_vp_offset = (y_off * vo_dga_width + x_off ) * vo_dga_bpp; vo_dga_vp_skip = (vo_dga_width - vo_dga_src_width) * vo_dga_bpp; // todo printf("vo_dga: vp_off=%d, vp_skip=%d, bpl=%d\n", vo_dga_vp_offset, vo_dga_vp_skip, vo_dga_bytes_per_line); XF86DGASetViewPort (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), 0, 0); XF86DGADirectVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), XF86DGADirectGraphics | XF86DGADirectMouse | XF86DGADirectKeyb); XGrabKeyboard (vo_dga_dpy, DefaultRootWindow(vo_dga_dpy), True, GrabModeAsync,GrabModeAsync, CurrentTime); XGrabPointer (vo_dga_dpy, DefaultRootWindow(vo_dga_dpy), True, ButtonPressMask,GrabModeAsync, GrabModeAsync, None, None, CurrentTime); // now clear screen memset(vo_dga_base, 0, vo_dga_width * vo_dga_vp_height * vo_dga_bpp); vo_dga_is_running = 1; return 0; } int vo_dga_query_event(void){ XEvent myevent; char text[10]; KeySym mykey; int retval = 0; int i; if( vo_dga_is_running ){ if(XPending(vo_dga_dpy)>0) { XNextEvent(vo_dga_dpy, &myevent); switch (myevent.type) { case ButtonPress: /* Reaktion auf Knopfdruck ---> Textausgabe an der Mauscursorposition */ retval = 'q'; break; case KeyPress: /* Reaktion auf Tastendruck --> Testen ob Taste == "q", falls ja: Programmende */ i=XLookupString(&myevent, text, 10, &mykey, 0); if (mykey&0xff00 != 0) mykey=mykey&0x00ff + 256; switch ( mykey ) { case wsLeft: retval=KEY_LEFT; break; case wsRight: retval=KEY_RIGHT; break; case wsUp: retval=KEY_UP; break; case wsDown: retval=KEY_DOWN; break; case wsSpace: retval=' '; break; case wsEscape: retval=KEY_ESC; break; case wsEnter: retval=KEY_ENTER; break; case wsq: case wsQ: retval='q'; break; case wsp: case wsP: retval='p'; break; case wsMinus: case wsGrayMinus: retval='-'; break; case wsPlus: case wsGrayPlus: retval='+'; break; } break; } } } return retval; }