netsurf/frontends/amiga/rtg.c
2016-05-15 13:44:34 +01:00

73 lines
1.9 KiB
C

/*
* Copyright 2015 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Abstract RTG functions for newer/older/non-P96 systems
*/
#include "amiga/rtg.h"
struct BitMap *ami_rtg_allocbitmap(ULONG width, ULONG height, ULONG depth,
ULONG flags, struct BitMap *friend, RGBFTYPE format)
{
if(P96Base == NULL) {
#ifndef __amigaos4__
if(depth > 8) depth = 8;
#endif
return AllocBitMap(width, height, depth, flags, friend);
} else {
return p96AllocBitMap(width, height, depth, flags, friend, format);
}
}
void ami_rtg_freebitmap(struct BitMap *bm)
{
if(P96Base == NULL) {
return FreeBitMap(bm);
} else {
return p96FreeBitMap(bm);
}
}
void ami_rtg_writepixelarray(UBYTE *pixdata, struct BitMap *bm,
ULONG width, ULONG height, ULONG bpr, ULONG format)
{
struct RastPort trp;
InitRastPort(&trp);
trp.BitMap = bm;
/* This requires P96 or gfx.lib v54 currently */
if(P96Base == NULL) {
#ifdef __amigaos4__
if(GfxBase->LibNode.lib_Version >= 54) {
WritePixelArray(pixdata, 0, 0, bpr, PIXF_R8G8B8A8, &trp, 0, 0, width, height);
}
#endif
} else {
struct RenderInfo ri;
ri.Memory = pixdata;
ri.BytesPerRow = bpr;
ri.RGBFormat = format;
p96WritePixelArray((struct RenderInfo *)&ri, 0, 0, &trp, 0, 0, width, height);
}
}