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Optimise tile plotter

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svn path=/trunk/netsurf/; revision=6615
This commit is contained in:
Chris Young 2009-02-24 23:47:58 +00:00
parent c4105e4efe
commit 2f36c12acd
1 changed files with 84 additions and 28 deletions
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112
amiga/plotters.c
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@ -1,5 +1,5 @@
/*
* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
* Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
@ -556,9 +556,12 @@ bool ami_bitmap_tile(int x, int y, int width, int height,
TAG_DONE);
*/
if(!(repeat_x || repeat_y))
return ami_bitmap(x, y, width, height, bitmap, bg, content);
if(bitmap->nativebm)
{
if((bitmap->nativebmwidth != bitmap->width) || (bitmap->nativebmheight != bitmap->height))
if((bitmap->nativebmwidth != width) || (bitmap->nativebmheight != height))
{
p96FreeBitMap(bitmap->nativebm);
bitmap->nativebm = NULL;
@ -580,7 +583,7 @@ bool ami_bitmap_tile(int x, int y, int width, int height,
trp.BitMap = tbm;
p96WritePixelArray((struct RenderInfo *)&ri,0,0,&trp,0,0,bitmap->width,bitmap->height);
if(option_cache_bitmaps == 2)
if((option_cache_bitmaps == 2) && (bitmap->height == height && bitmap->width == width))
{
bitmap->nativebm = tbm;
bitmap->nativebmwidth = bitmap->width;
@ -588,48 +591,101 @@ bool ami_bitmap_tile(int x, int y, int width, int height,
}
}
max_width = (repeat_x ? scrn->Width : width);
max_height = (repeat_y ? scrn->Height : height);
if(repeat_x && (x<-bitmap->width)) while(x<-bitmap->width) x+=bitmap->width;
if(repeat_y && (y<-bitmap->height)) while(y<-bitmap->height) y+=bitmap->height;
for(xf=0;xf<max_width;xf+=bitmap->width)
if((bitmap->nativebm) && (bitmap->nativebmwidth == width) && (bitmap->nativebmheight==height))
{
for(yf=0;yf<max_height;yf+=bitmap->height)
tbm = bitmap->nativebm;
}
else
{
if((bitmap->width != width) || (bitmap->height != height))
{
if(width > xf+bitmap->width)
struct BitMap *scaledbm;
struct BitScaleArgs bsa;
scaledbm = p96AllocBitMap(width,height,32,BMF_DISPLAYABLE,currp->BitMap,RGBFB_R8G8B8A8);
if(GfxBase->lib_Version >= 53) // AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1)
{
wf = width-(xf+bitmap->width);
CompositeTags(COMPOSITE_Src,tbm,scaledbm,
COMPTAG_ScaleX,COMP_FLOAT_TO_FIX(width/bitmap->width),
COMPTAG_ScaleY,COMP_FLOAT_TO_FIX(height/bitmap->height),
COMPTAG_Flags,COMPFLAG_IgnoreDestAlpha,
COMPTAG_DestX,0,
COMPTAG_DestY,0,
COMPTAG_DestWidth,width,
COMPTAG_DestHeight,height,
COMPTAG_OffsetX,0,
COMPTAG_OffsetY,0,
COMPTAG_FriendBitMap,currp->BitMap,
TAG_DONE);
}
else
else /* do it the old-fashioned way. This is pretty slow, but probably
uses Composite() on OS4.1 anyway, so we're only saving a blit really. */
{
wf=bitmap->width;
bsa.bsa_SrcX = 0;
bsa.bsa_SrcY = 0;
bsa.bsa_SrcWidth = bitmap->width;
bsa.bsa_SrcHeight = bitmap->height;
bsa.bsa_DestX = 0;
bsa.bsa_DestY = 0;
// bsa.bsa_DestWidth = width;
// bsa.bsa_DestHeight = height;
bsa.bsa_XSrcFactor = bitmap->width;
bsa.bsa_XDestFactor = width;
bsa.bsa_YSrcFactor = bitmap->height;
bsa.bsa_YDestFactor = height;
bsa.bsa_SrcBitMap = tbm;
bsa.bsa_DestBitMap = scaledbm;
bsa.bsa_Flags = 0;
BitMapScale(&bsa);
}
if(height > yf+bitmap->height)
{
hf = height-(yf+bitmap->height);
}
else
{
hf=bitmap->height;
}
p96FreeBitMap(tbm);
tbm = scaledbm;
BltBitMapTags(BLITA_Width,wf,
BLITA_Height,hf,
if(option_cache_bitmaps >= 1)
{
bitmap->nativebm = tbm;
bitmap->nativebmwidth = width;
bitmap->nativebmheight = height;
}
}
}
/* get left most tile position */
if (repeat_x)
for (; x > glob.rect.MinX; x -= width)
;
/* get top most tile position */
if (repeat_y)
for (; y > glob.rect.MinY; y -= height)
;
/* tile down and across to extents */
for (xf = x; xf < glob.rect.MaxX; xf += width) {
for (yf = y; yf < glob.rect.MaxY; yf += height) {
BltBitMapTags(BLITA_Width,width,
BLITA_Height,height,
BLITA_Source,tbm,
BLITA_Dest,currp,
BLITA_DestX,x+xf,
BLITA_DestY,y+yf,
BLITA_DestX,xf,
BLITA_DestY,yf,
BLITA_SrcType,BLITT_BITMAP,
BLITA_DestType,BLITT_RASTPORT,
BLITA_UseSrcAlpha,!bitmap->opaque,
TAG_DONE);
if (!repeat_y)
break;
}
if (!repeat_x)
break;
}
if(option_cache_bitmaps != 2)
if(!option_cache_bitmaps)
{
p96FreeBitMap(tbm);
}