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pattern fill fixes and optimization 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@917 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-09 23:12:09 +00:00
parent 7f647cf68f
commit e69390cee7
2 changed files with 71 additions and 21 deletions
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49
hw/cirrus_vga.c
View File

@ -31,9 +31,7 @@
/*
* TODO:
* - fix 24 bpp pattern fills (source is 32 bpp in that case)
* - add support for WRITEMASK (GR2F)
* - add support for scanline modulo in pattern fill
* - optimize linear mappings
* - optimize bitblt functions
*/
@ -420,6 +418,25 @@ static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
func,\
}
static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = {
ROP2(cirrus_patternfill_0),
ROP2(cirrus_patternfill_src_and_dst),
ROP_NOP2(cirrus_bitblt_rop_nop),
ROP2(cirrus_patternfill_src_and_notdst),
ROP2(cirrus_patternfill_notdst),
ROP2(cirrus_patternfill_src),
ROP2(cirrus_patternfill_1),
ROP2(cirrus_patternfill_notsrc_and_dst),
ROP2(cirrus_patternfill_src_xor_dst),
ROP2(cirrus_patternfill_src_or_dst),
ROP2(cirrus_patternfill_notsrc_or_notdst),
ROP2(cirrus_patternfill_src_notxor_dst),
ROP2(cirrus_patternfill_src_or_notdst),
ROP2(cirrus_patternfill_notsrc),
ROP2(cirrus_patternfill_notsrc_or_dst),
ROP2(cirrus_patternfill_notsrc_and_notdst),
};
static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = {
ROP2(cirrus_colorexpand_transp_0),
ROP2(cirrus_colorexpand_transp_src_and_dst),
@ -569,9 +586,6 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
{
uint8_t work_colorexp[256];
uint8_t *dst;
uint8_t *dstc;
int x, y;
int tilewidth, tileheight;
int patternbytes = s->cirrus_blt_pixelwidth * 8;
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
@ -592,21 +606,12 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
}
dst = s->vram_ptr + s->cirrus_blt_dstaddr;
for (y = 0; y < s->cirrus_blt_height; y += 8) {
dstc = dst;
tileheight = qemu_MIN(8, s->cirrus_blt_height - y);
for (x = 0; x < s->cirrus_blt_width; x += patternbytes) {
tilewidth = qemu_MIN(patternbytes, s->cirrus_blt_width - x);
(*s->cirrus_rop) (s, dstc, src,
s->cirrus_blt_dstpitch, patternbytes,
tilewidth, tileheight);
dstc += patternbytes;
}
dst += s->cirrus_blt_dstpitch * 8;
}
(*s->cirrus_rop) (s, dst, src,
s->cirrus_blt_dstpitch, 0,
s->cirrus_blt_width, s->cirrus_blt_height);
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_width,
s->cirrus_blt_height);
s->cirrus_blt_dstpitch, s->cirrus_blt_width,
s->cirrus_blt_height);
return 1;
}
@ -636,8 +641,8 @@ static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop)
static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s)
{
return cirrus_bitblt_common_patterncopy(s,
s->vram_ptr +
s->cirrus_blt_srcaddr);
s->vram_ptr +
(s->cirrus_blt_srcaddr & ~7));
}
static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
@ -855,6 +860,8 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
cirrus_bitblt_bgcol(s);
s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
}
} else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
} else {
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;

43
hw/cirrus_vga_rop2.h
View File

@ -36,6 +36,49 @@
#error unsupported DEPTH
#endif
static void
glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
const uint8_t * src,
int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
uint8_t *d;
int x, y, pattern_y, pattern_pitch, pattern_x;
unsigned int col;
const uint8_t *src1;
#if DEPTH == 8
pattern_pitch = 8;
#elif DEPTH == 16
pattern_pitch = 16;
#else
pattern_pitch = 32;
#endif
pattern_y = s->cirrus_blt_srcaddr & 7;
pattern_x = 0;
for(y = 0; y < bltheight; y++) {
d = dst;
src1 = src + pattern_y * pattern_pitch;
for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
#if DEPTH == 8
col = src1[pattern_x];
pattern_x = (pattern_x + 1) & 7;
#elif DEPTH == 16
col = ((uint16_t *)(src1 + pattern_x))[0];
pattern_x = (pattern_x + 2) & 15;
#else
col = ((uint32_t *)(src1 + pattern_x))[0];
pattern_x = (pattern_x + 4) & 31;
#endif
PUTPIXEL();
d += (DEPTH / 8);
}
pattern_y = (pattern_y + 1) & 7;
dst += dstpitch;
}
}
/* NOTE: srcpitch is ignored */
static void
glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)