mirrors/netsurf
1
0
Fork 0
mirror of https://github.com/netsurf-browser/netsurf synced 2024-12-23 20:46:50 +03:00
Code Issues Packages Projects Releases Wiki Activity

Use layers.library for bitmap tiling on OS3

Browse Source 
This solves the worst of the rendering problems on that platform.
This commit is contained in:
Chris Young 2016-01-14 00:11:48 +00:00
parent bc8bf0e575
commit f5dc180105
2 changed files with 40 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
amiga/os3support.h
View File

@ -198,6 +198,14 @@ struct OutlineFont {
struct TagItem *olf_OTagList; struct TagItem *olf_OTagList;
}; };
/* BackFillMessage */
struct BackFillMessage {
struct Layer *Layer;
struct Rectangle Bounds;
LONG OffsetX;
LONG OffsetY;
};
/* icon.library v51 (ie. AfA_OS version) */ /* icon.library v51 (ie. AfA_OS version) */
#define ICONCTRLA_SetImageDataFormat (ICONA_Dummy + 0x67) /*103*/ #define ICONCTRLA_SetImageDataFormat (ICONA_Dummy + 0x67) /*103*/
#define ICONCTRLA_GetImageDataFormat (ICONA_Dummy + 0x68) /*104*/ #define ICONCTRLA_GetImageDataFormat (ICONA_Dummy + 0x68) /*104*/

85
amiga/plotters.c
View File

@ -48,9 +48,7 @@
#include "amiga/rtg.h" #include "amiga/rtg.h"
#include "amiga/utf8.h" #include "amiga/utf8.h"
#ifdef __amigaos4__ HOOKF(void, ami_bitmap_tile_hook, struct RastPort *, rp, struct BackFillMessage *);
static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct BackFillMessage *bfmsg);
#endif
struct bfbitmap { struct bfbitmap {
struct BitMap *bm; struct BitMap *bm;
@ -614,7 +612,7 @@ static bool ami_bitmap_tile(int x, int y, int width, int height,
tbm = ami_bitmap_get_native(bitmap,width,height,glob->rp->BitMap); tbm = ami_bitmap_get_native(bitmap,width,height,glob->rp->BitMap);
if(!tbm) return true; if(!tbm) return true;
#ifdef __amigaos4__
ox = x; ox = x;
oy = y; oy = y;
@ -650,7 +648,7 @@ static bool ami_bitmap_tile(int x, int y, int width, int height,
yf = y + height; yf = y + height;
ym = y; ym = y;
} }
#ifdef __amigaos4__
if(bitmap->opaque) if(bitmap->opaque)
{ {
bfh = CreateBackFillHook(BFHA_BitMap,tbm, bfh = CreateBackFillHook(BFHA_BitMap,tbm,
@ -661,6 +659,7 @@ static bool ami_bitmap_tile(int x, int y, int width, int height,
TAG_DONE); TAG_DONE);
} }
else else
#endif
{ {
bfbm.bm = tbm; bfbm.bm = tbm;
bfbm.width = width; bfbm.width = width;
@ -668,78 +667,46 @@ static bool ami_bitmap_tile(int x, int y, int width, int height,
bfbm.offsetx = ox; bfbm.offsetx = ox;
bfbm.offsety = oy; bfbm.offsety = oy;
bfbm.mask = ami_bitmap_get_mask(bitmap, width, height, tbm); bfbm.mask = ami_bitmap_get_mask(bitmap, width, height, tbm);
bfh = AllocVecTags(sizeof(struct Hook), AVT_ClearWithValue, 0, TAG_DONE); /* NB: Was not MEMF_PRIVATE */ bfh = ami_misc_allocvec_clear(sizeof(struct Hook), 0); /* NB: Was not MEMF_PRIVATE */
bfh->h_Entry = (HOOKFUNC)ami_bitmap_tile_hook; bfh->h_Entry = (HOOKFUNC)ami_bitmap_tile_hook;
bfh->h_SubEntry = 0; bfh->h_SubEntry = 0;
bfh->h_Data = &bfbm; bfh->h_Data = &bfbm;
} }
InstallLayerHook(glob->rp->Layer,bfh); InstallLayerHook(glob->rp->Layer,bfh);
EraseRect(glob->rp,xm,ym,xf,yf); EraseRect(glob->rp,xm,ym,xf,yf);
InstallLayerHook(glob->rp->Layer,LAYERS_NOBACKFILL); InstallLayerHook(glob->rp->Layer,LAYERS_NOBACKFILL);
#ifdef __amigaos4__
if(bitmap->opaque) DeleteBackFillHook(bfh); if(bitmap->opaque) DeleteBackFillHook(bfh);
else FreeVec(bfh); else
#else
/* 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) {
ULONG tag, tag_data = NULL, minterm = 0xc0;
if(bitmap->opaque) {
minterm = 0xc0;
} else {
if((tag_data = (ULONG)ami_bitmap_get_mask(bitmap, width, height, tbm)))
minterm = (ABC|ABNC|ANBC);
}
if(tag_data) {
BltMaskBitMapRastPort(tbm, 0, 0, glob->rp, x, y, width, height, minterm, tag_data);
} else {
BltBitMapRastPort(tbm, 0, 0, glob->rp, x, y, width, height, 0xc0);
}
}
}
#endif #endif
FreeVec(bfh);
if((bitmap->dto == NULL) && (tbm != bitmap->nativebm)) if((bitmap->dto == NULL) && (tbm != bitmap->nativebm)) {
{
ami_rtg_freebitmap(tbm); ami_rtg_freebitmap(tbm);
} }
return true; return true;
} }
#ifdef __amigaos4__ HOOKF(void, ami_bitmap_tile_hook, struct RastPort *, rp, struct BackFillMessage *)
static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct BackFillMessage *bfmsg)
{ {
int xf,yf; int xf,yf;
struct bfbitmap *bfbm = (struct bfbitmap *)hook->h_Data; struct bfbitmap *bfbm = (struct bfbitmap *)hook->h_Data;
/* tile down and across to extents (bfmsg->Bounds.MinX)*/ /* tile down and across to extents (msg->Bounds.MinX)*/
for (xf = -bfbm->offsetx; xf < bfmsg->Bounds.MaxX; xf += bfbm->width) { for (xf = -bfbm->offsetx; xf < msg->Bounds.MaxX; xf += bfbm->width) {
for (yf = -bfbm->offsety; yf < bfmsg->Bounds.MaxY; yf += bfbm->height) { for (yf = -bfbm->offsety; yf < msg->Bounds.MaxY; yf += bfbm->height) {
#ifdef __amigaos4__ #ifdef __amigaos4__
if(__builtin_expect((GfxBase->LibNode.lib_Version >= 53) && if(__builtin_expect((GfxBase->LibNode.lib_Version >= 53) &&
(palette_mapped == false), 1)) { (palette_mapped == false), 1)) {
CompositeTags(COMPOSITE_Src_Over_Dest, bfbm->bm, rp->BitMap, CompositeTags(COMPOSITE_Src_Over_Dest, bfbm->bm, rp->BitMap,
COMPTAG_Flags, COMPFLAG_IgnoreDestAlpha, COMPTAG_Flags, COMPFLAG_IgnoreDestAlpha,
COMPTAG_DestX,bfmsg->Bounds.MinX, COMPTAG_DestX, msg->Bounds.MinX,
COMPTAG_DestY,bfmsg->Bounds.MinY, COMPTAG_DestY, msg->Bounds.MinY,
COMPTAG_DestWidth,bfmsg->Bounds.MaxX - bfmsg->Bounds.MinX + 1, COMPTAG_DestWidth, msg->Bounds.MaxX - msg->Bounds.MinX + 1,
COMPTAG_DestHeight,bfmsg->Bounds.MaxY - bfmsg->Bounds.MinY + 1, COMPTAG_DestHeight, msg->Bounds.MaxY - msg->Bounds.MinY + 1,
COMPTAG_SrcWidth, bfbm->width, COMPTAG_SrcWidth, bfbm->width,
COMPTAG_SrcHeight, bfbm->height, COMPTAG_SrcHeight, bfbm->height,
COMPTAG_OffsetX, xf, COMPTAG_OffsetX, xf,
@ -761,7 +728,7 @@ static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct Ba
if((tag_data = (ULONG)bfbm->mask)) if((tag_data = (ULONG)bfbm->mask))
minterm = MINTERM_SRCMASK; minterm = MINTERM_SRCMASK;
} }
#ifdef __amigaos4__
BltBitMapTags(BLITA_Width, bfbm->width, BltBitMapTags(BLITA_Width, bfbm->width,
BLITA_Height, bfbm->height, BLITA_Height, bfbm->height,
BLITA_Source, bfbm->bm, BLITA_Source, bfbm->bm,
@ -773,11 +740,19 @@ static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct Ba
BLITA_Minterm, minterm, BLITA_Minterm, minterm,
tag, tag_data, tag, tag_data,
TAG_DONE); TAG_DONE);
} #else
} if(tag_data) {
} BltMaskBitMapRastPort(bfbm->bm, 0, 0, rp, xf, yf,
bfbm->width, bfbm->height, minterm, tag_data);
} else {
BltBitMapRastPort(bfbm->bm, 0, 0, rp, xf, yf,
bfbm->width, bfbm->height, minterm);
} }
#endif #endif
}
}
}
}
static void ami_bezier(struct bez_point *a, struct bez_point *b, struct bez_point *c, static void ami_bezier(struct bez_point *a, struct bez_point *b, struct bez_point *c,
struct bez_point *d, double t, struct bez_point *p) { struct bez_point *d, double t, struct bez_point *p) {