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alloc off-screen bm as friend of screen bm

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This commit is contained in:
Chris Young 2012-08-04 17:46:56 +01:00
parent fce7026484
commit 6f64713977
1 changed files with 21 additions and 12 deletions
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33
amiga/plotters.c
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@ -120,20 +120,38 @@ void ami_init_layers(struct gui_globals *gg, ULONG width, ULONG height)
/* init shared bitmaps *
* Height is set to screen width to give enough space for thumbnails *
* Also applies to the further gfx/layers functions and memory below */
ULONG depth = 32;
struct DrawInfo *dri;
struct BitMap *friend = NULL; /* Required to be NULL for Cairo and ARGB bitmaps */
if(dri = GetScreenDrawInfo(scrn)) {
if(depth < 16) {
palette_mapped = true;
depth = dri->dri_Depth; /* this is always wrong */
friend = scrn->RastPort.BitMap;
} else {
palette_mapped = false;
}
FreeScreenDrawInfo(scrn, dri);
}
if(nsoption_int(redraw_tile_size_x) <= 0) nsoption_set_int(redraw_tile_size_x, scrn->Width);
if(nsoption_int(redraw_tile_size_y) <= 0) nsoption_set_int(redraw_tile_size_y, scrn->Height);
if(!width) width = nsoption_int(redraw_tile_size_x);
if(!height) height = nsoption_int(redraw_tile_size_y);
gg->layerinfo = NewLayerInfo();
gg->areabuf = AllocVec(100,MEMF_PRIVATE | MEMF_CLEAR);
gg->tmprasbuf = AllocVec(width*height,MEMF_PRIVATE | MEMF_CLEAR);
gg->areabuf = AllocVec(100, MEMF_PRIVATE | MEMF_CLEAR);
gg->tmprasbuf = AllocVec(width * height, MEMF_PRIVATE | MEMF_CLEAR);
gg->bm = p96AllocBitMap(width, height, 32,
if(palette_mapped ==false) {
gg->bm = p96AllocBitMap(width, height, 32,
BMF_INTERLEAVED, friend, RGBFB_A8R8G8B8);
} else {
gg->bm = AllocBitMap(width, height, depth, BMF_INTERLEAVED, friend);
}
if(!gg->bm) warn_user("NoMemory","");
gg->rp = AllocVec(sizeof(struct RastPort), MEMF_PRIVATE | MEMF_CLEAR);
@ -165,15 +183,6 @@ void ami_init_layers(struct gui_globals *gg, ULONG width, ULONG height)
gg->surface = cairo_amigaos_surface_create(gg->rp->BitMap);
gg->cr = cairo_create(gg->surface);
#endif
if(dri = GetScreenDrawInfo(scrn)) {
if(dri->dri_Depth < 16) { /* this is always true */
palette_mapped = true;
} else {
palette_mapped = false;
}
FreeScreenDrawInfo(scrn,dri);
}
}
void ami_free_layers(struct gui_globals *gg)