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authornick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-11-01 18:12:58 +0000
committernick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-11-01 18:12:58 +0000
commitc8c745857bf0a37d4d8604817e47fccd0de53b83 (patch)
tree695b2a607bb5a8f4e0b4e4dee9b79fac05bf6677 /libvo
parent2e0dadb17a76624e8d12683f69cf9f65abe8aaf0 (diff)
downloadmpv-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
Diffstat (limited to 'libvo')
-rw-r--r--libvo/vo_vesa.c31
1 files changed, 28 insertions, 3 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