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clear screen and tiny image bug patch by Burton Samograd <kruhft@kruhft.dyndns.org> 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7114 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-08-28 16:22:02 +00:00
parent 0dbb552406
commit e9d168f902
1 changed files with 28 additions and 11 deletions
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39
libvo/vo_tdfxfb.c
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@ -153,8 +153,16 @@ static void uninit(void)
static void clear_screen()
{
if(vo_doublebuffering) {
memset(vidpage, 0, screenwidth * screenheight * screendepth);
/* There needs to be some sort of delay here or else things seriously screw up.
Causes the image to not be the right size on screen if this isn't like this.
A printf before the memset call also seems to work, but this made more sense
since it actually checks the status of the card.
*/
do {
memset(vidpage, 0, screenwidth * screenheight * screendepth);
} while((reg_IO->status & 0x1f) < 1);
if(vo_doublebuffering) {
memset(hidpage, 0, screenwidth * screenheight * screendepth);
}
}
@ -171,9 +179,14 @@ static void setup_screen(uint32_t full)
if(screenwidth / ratio <= screenheight)
vidheight = (double)screenwidth / ratio;
/* Is this really needed? This causes movies that are encoded at YxY
sizes to not be displayed properly (they're squished horizontally).
This might cause problems with videos that are taller than they are wide
but I haven't really seen many of those so we won't worry about it for now. */
#if 0
else
vidwidth = (double)screenheight * ratio;
#endif
vidx = (screenwidth - vidwidth) / 2;
vidy = (screenheight - vidheight) / 2;
} else { /* Reset to normal size */
@ -185,7 +198,7 @@ static void setup_screen(uint32_t full)
vidheight = r_height;
vidx = vidy = 0;
}
clear_screen();
}
@ -265,12 +278,11 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width, uint32
in_voodoo_format |= in_width * in_depth;
/* Linux lives in the first frame */
if(vo_doublebuffering) {
vidpageoffset = screenwidth * screenheight * screendepth;
hidpageoffset = vidpageoffset + screenwidth * screenheight * screendepth;
} else
vidpageoffset = hidpageoffset = 0; /* Console background */
/* Put the image pages off the console screen so they don't get console messages */
/* This used to place single buffered movies onto the main console screen */
vidpageoffset = hidpageoffset = screenwidth * screenheight * screendepth;
if(vo_doublebuffering)
hidpageoffset = vidpageoffset + screenwidth * screenheight * screendepth;
inpageoffset = hidpageoffset + screenwidth * screenheight * screendepth;
@ -322,6 +334,10 @@ static void flip_page(void)
{
voodoo_2d_reg regs = *reg_2d; /* Copy the regs */
int i = 0;
/* This has to be done of else setting dstSize doesn't work */
/* Must be a gcc 3.0+ bug */
int tempvidheight = vidheight;
int tempvidwidth = vidwidth;
if(vo_doublebuffering) {
/* Flip to an offscreen buffer for rendering */
@ -346,7 +362,8 @@ static void flip_page(void)
reg_2d->dstBaseAddr = vidpageoffset;
reg_2d->dstXY = XYREG(vidx, vidy);
reg_2d->dstFormat = vid_voodoo_format;
reg_2d->dstSize = XYREG(vidwidth, vidheight);
/* The XYREG macro doesn't seem to work for this line so build the register contents very explicitly */
reg_2d->dstSize = ((((unsigned long)vidheight) & 0x0000FFFF) << 16) | (((unsigned long) vidwidth) & 0x0000FFFF);
reg_2d->command = S2S_STRECH_BLT | S2S_IMMED | S2S_ROP;
/* Wait for the command to finish (If we don't do this, we get wierd