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author | nick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-11-01 18:12:58 +0000 |
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committer | nick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-11-01 18:12:58 +0000 |
commit | c8c745857bf0a37d4d8604817e47fccd0de53b83 (patch) | |
tree | 695b2a607bb5a8f4e0b4e4dee9b79fac05bf6677 | |
parent | 2e0dadb17a76624e8d12683f69cf9f65abe8aaf0 (diff) | |
download | mpv-c8c745857bf0a37d4d8604817e47fccd0de53b83.tar.bz2 mpv-c8c745857bf0a37d4d8604817e47fccd0de53b83.tar.xz |
vo_vesa: DGA support
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2611 b3059339-0415-0410-9bf9-f77b7e298cf2
-rw-r--r-- | libvo/vo_vesa.c | 31 | ||||
-rw-r--r-- | linux/vbelib.c | 29 | ||||
-rw-r--r-- | linux/vbelib.h | 4 |
3 files changed, 60 insertions, 4 deletions
diff --git a/libvo/vo_vesa.c b/libvo/vo_vesa.c index f73d025fd5..50498b4393 100644 --- a/libvo/vo_vesa.c +++ b/libvo/vo_vesa.c @@ -10,7 +10,6 @@ /* TODO: - - DGA support (need volunteers who have corresponding hardware) - hw YUV support (need volunteers who have corresponding hardware) - double (triple) buffering (if it will really speedup playback). - refresh rate support (need additional info from mplayer) @@ -71,7 +70,8 @@ struct win_frame uint8_t *ptr; /* pointer to window's frame memory */ uint32_t low; /* lowest boundary of frame */ uint32_t high; /* highest boundary of frame */ - uint8_t idx; /* indicates index of relocatable frame (A or B) */ + char idx; /* indicates index of relocatable frame (A=0 or B=1) + special case for DGA: idx=-1 */ }; static int vesa_zoom=0; /* software scaling */ @@ -121,6 +121,7 @@ static void vesa_term( void ) int err; if((err=vbeRestoreState(init_state)) != VBE_OK) PRINT_VBE_ERR("vbeRestoreState",err); if((err=vbeSetMode(init_mode,NULL)) != VBE_OK) PRINT_VBE_ERR("vbeSetMode",err); + if(win.idx == -1) vbeUnmapVideoBuffer((unsigned long)win.ptr,win.high); if(yuv_buffer) free(yuv_buffer); vbeDestroy(); } @@ -135,8 +136,10 @@ static inline void __vbeSwitchBank(unsigned long offset) int err; gran = video_mode_info.WinGranularity*1024; new_offset = offset / gran; + if(win.idx == -1) goto show_err; if((err=vbeSetWindow(win.idx,new_offset)) != VBE_OK) { + show_err: PRINT_VBE_ERR("vbeSetWindow",err); printf("vo_vesa: Fatal error occured! Can't continue\n"); vesa_term(); @@ -601,7 +604,11 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3 else if((video_mode_info.WinBAttributes & FRAME_MODE) == FRAME_MODE) win.idx = 1; /* frame B */ - else { printf("vo_vesa: Can't find usable frame of window\n"); return -1; } + else + { + printf("vo_vesa: Can't find usable frame of window\n"); + return -1; + } if(!(win_seg = win.idx == 0 ? video_mode_info.WinASegment:video_mode_info.WinBSegment)) { printf("vo_vesa: Can't find valid window address\n"); @@ -623,6 +630,24 @@ init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint3 ,image_width,image_height ,video_mode_info.XResolution,video_mode_info.YResolution ,x_offset,y_offset); + if(video_mode_info.PhysBasePtr && vib.TotalMemory && (video_mode_info.ModeAttributes & MODE_ATTR_LINEAR)) + { + void *lfb; + lfb = vbeMapVideoBuffer(video_mode_info.PhysBasePtr,vib.TotalMemory*64*1024); + if(lfb == NULL) + { + printf("vo_vesa: can't use DGA. Force bank switching\n"); + } + else + { + win.ptr = lfb; + win.low = 0UL; + win.high = vib.TotalMemory*64*1024; + win.idx = -1; + video_mode |= VESA_MODE_USE_LINEAR; + printf("vo_vesa: Using DGA (%08lXh)\n",(unsigned long)lfb); + } + } if(yuv_fmt || rgb2rgb_fnc) { #ifdef HAVE_MEMALIGN diff --git a/linux/vbelib.c b/linux/vbelib.c index b2376ef06d..49cbe0b43f 100644 --- a/linux/vbelib.c +++ b/linux/vbelib.c @@ -13,7 +13,12 @@ #include <string.h> #include <stdio.h> #include <sys/io.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> #include <ctype.h> +#include <unistd.h> +#include <fcntl.h> static struct VesaProtModeInterface vbe_pm_info; @@ -84,6 +89,7 @@ static inline int VBE_LRMI_int(int int_no, struct LRMI_regs *r) #endif static unsigned hh_int_10_seg; +static int fd_mem; int vbeInit( void ) { unsigned short iopl_port; @@ -106,10 +112,15 @@ int vbeInit( void ) while((iopl_port=vbe_pm_info.iopl_ports[i]) != 0xFFFF && vbe_pm_info.iopl_ports[i++] > 1023) ioperm(iopl_port,1,1); iopl(3); + fd_mem = open("/dev/mem",O_RDWR); return VBE_OK; } -int vbeDestroy( void ) { return VBE_OK; } +int vbeDestroy( void ) +{ + close(fd_mem); + return VBE_OK; +} /* Fixme!!! This code is compatible only with mplayer's version of lrmi*/ static inline int is_addr_valid(const void *p) @@ -507,3 +518,19 @@ int vbeWriteString(int x, int y, int attr, char *str) if(retval == 0x4f) retval = VBE_OK; return retval; } + +void * vbeMapVideoBuffer(unsigned long phys_addr,unsigned long size) +{ + void *lfb; + if(fd_mem == -1) return NULL; + if(verbose > 1) printf("vbelib: vbeMapVideoBuffer(%08lX,%08lX)\n",phys_addr,size); + /* Here we don't need with MAP_FIXED and prefered address (first argument) */ + lfb = mmap((void *)0,size,PROT_READ | PROT_WRITE,MAP_SHARED,fd_mem,phys_addr); + return lfb == (void *)-1 ? 0 : lfb; +} + +void vbeUnmapVideoBuffer(unsigned long linear_addr,unsigned long size) +{ + if(verbose > 1) printf("vbelib: vbeUnmapVideoBuffer(%08lX,%08lX)\n",linear_addr,size); + munmap((void *)linear_addr,size); +} diff --git a/linux/vbelib.h b/linux/vbelib.h index 2cde866bac..dc436a54bd 100644 --- a/linux/vbelib.h +++ b/linux/vbelib.h @@ -223,4 +223,8 @@ extern int vbeGetProtModeInfo(struct VesaProtModeInterface *); /* Standard VGA stuff */ int vbeWriteString(int x, int y, int attr, char *str); +/* Misc stuff (For portability only) */ +void * vbeMapVideoBuffer(unsigned long phys_addr,unsigned long size); +void vbeUnmapVideoBuffer(unsigned long linear_addr,unsigned long size); + #endif |