/*
* QEMU Cirrus CLGD 54xx VGA Emulator.
- *
+ *
* Copyright (c) 2004 Fabrice Bellard
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
#define PUTPIXEL() ROP_OP(((uint32_t *)d)[0], col)
#else
#error unsupported DEPTH
-#endif
+#endif
static void
glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src,
- int dstpitch, int srcpitch,
+ 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 == 24
+ int skipleft = s->gr[0x2f] & 0x1f;
+#else
+ int skipleft = (s->gr[0x2f] & 0x07) * (DEPTH / 8);
+#endif
#if DEPTH == 8
pattern_pitch = 8;
pattern_pitch = 32;
#endif
pattern_y = s->cirrus_blt_srcaddr & 7;
- pattern_x = 0;
for(y = 0; y < bltheight; y++) {
- d = dst;
+ pattern_x = skipleft;
+ d = dst + skipleft;
src1 = src + pattern_y * pattern_pitch;
- for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
+ for (x = skipleft; 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;
+#elif DEPTH == 24
+ {
+ const uint8_t *src2 = src1 + pattern_x * 3;
+ col = src2[0] | (src2[1] << 8) | (src2[2] << 16);
+ pattern_x = (pattern_x + 1) & 7;
+ }
#else
col = ((uint32_t *)(src1 + pattern_x))[0];
pattern_x = (pattern_x + 4) & 31;
static void
glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src,
- int dstpitch, int srcpitch,
+ const uint8_t * src,
+ int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
uint8_t *d;
int x, y;
- unsigned bits;
+ unsigned bits, bits_xor;
unsigned int col;
unsigned bitmask;
unsigned index;
- int srcskipleft = 0;
+#if DEPTH == 24
+ int dstskipleft = s->gr[0x2f] & 0x1f;
+ int srcskipleft = dstskipleft / 3;
+#else
+ int srcskipleft = s->gr[0x2f] & 0x07;
+ int dstskipleft = srcskipleft * (DEPTH / 8);
+#endif
+
+ if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
+ bits_xor = 0xff;
+ col = s->cirrus_blt_bgcol;
+ } else {
+ bits_xor = 0x00;
+ col = s->cirrus_blt_fgcol;
+ }
- col = s->cirrus_blt_fgcol;
for(y = 0; y < bltheight; y++) {
bitmask = 0x80 >> srcskipleft;
- bits = *src++;
- d = dst;
- for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
+ bits = *src++ ^ bits_xor;
+ d = dst + dstskipleft;
+ for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) {
if ((bitmask & 0xff) == 0) {
bitmask = 0x80;
- bits = *src++;
+ bits = *src++ ^ bits_xor;
}
index = (bits & bitmask);
if (index) {
}
}
-/* NOTE: srcpitch is ignored */
static void
-glue(glue(glue(cirrus_colorexpand_transp_inv_, ROP_NAME), _),DEPTH)
+glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src,
- int dstpitch, int srcpitch,
+ const uint8_t * src,
+ int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
+ uint32_t colors[2];
uint8_t *d;
int x, y;
unsigned bits;
unsigned int col;
unsigned bitmask;
- unsigned index;
- int srcskipleft = 0;
+ int srcskipleft = s->gr[0x2f] & 0x07;
+ int dstskipleft = srcskipleft * (DEPTH / 8);
- col = s->cirrus_blt_bgcol;
+ colors[0] = s->cirrus_blt_bgcol;
+ colors[1] = s->cirrus_blt_fgcol;
for(y = 0; y < bltheight; y++) {
bitmask = 0x80 >> srcskipleft;
bits = *src++;
- d = dst;
- for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
+ d = dst + dstskipleft;
+ for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) {
if ((bitmask & 0xff) == 0) {
bitmask = 0x80;
bits = *src++;
}
- index = (bits & bitmask);
- if (!index) {
+ col = colors[!!(bits & bitmask)];
+ PUTPIXEL();
+ d += (DEPTH / 8);
+ bitmask >>= 1;
+ }
+ dst += dstpitch;
+ }
+}
+
+static void
+glue(glue(glue(cirrus_colorexpand_pattern_transp_, 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, bitpos, pattern_y;
+ unsigned int bits, bits_xor;
+ unsigned int col;
+#if DEPTH == 24
+ int dstskipleft = s->gr[0x2f] & 0x1f;
+ int srcskipleft = dstskipleft / 3;
+#else
+ int srcskipleft = s->gr[0x2f] & 0x07;
+ int dstskipleft = srcskipleft * (DEPTH / 8);
+#endif
+
+ if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
+ bits_xor = 0xff;
+ col = s->cirrus_blt_bgcol;
+ } else {
+ bits_xor = 0x00;
+ col = s->cirrus_blt_fgcol;
+ }
+ pattern_y = s->cirrus_blt_srcaddr & 7;
+
+ for(y = 0; y < bltheight; y++) {
+ bits = src[pattern_y] ^ bits_xor;
+ bitpos = 7 - srcskipleft;
+ d = dst + dstskipleft;
+ for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) {
+ if ((bits >> bitpos) & 1) {
PUTPIXEL();
}
d += (DEPTH / 8);
- bitmask >>= 1;
+ bitpos = (bitpos - 1) & 7;
}
+ pattern_y = (pattern_y + 1) & 7;
dst += dstpitch;
}
}
static void
-glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
+glue(glue(glue(cirrus_colorexpand_pattern_, ROP_NAME), _),DEPTH)
(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src,
- int dstpitch, int srcpitch,
+ const uint8_t * src,
+ int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
uint32_t colors[2];
uint8_t *d;
- int x, y;
- unsigned bits;
+ int x, y, bitpos, pattern_y;
+ unsigned int bits;
unsigned int col;
- unsigned bitmask;
- int srcskipleft = 0;
+ int srcskipleft = s->gr[0x2f] & 0x07;
+ int dstskipleft = srcskipleft * (DEPTH / 8);
colors[0] = s->cirrus_blt_bgcol;
colors[1] = s->cirrus_blt_fgcol;
+ pattern_y = s->cirrus_blt_srcaddr & 7;
+
for(y = 0; y < bltheight; y++) {
- bitmask = 0x80 >> srcskipleft;
- bits = *src++;
- d = dst;
- for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
- if ((bitmask & 0xff) == 0) {
- bitmask = 0x80;
- bits = *src++;
- }
- col = colors[!!(bits & bitmask)];
+ bits = src[pattern_y];
+ bitpos = 7 - srcskipleft;
+ d = dst + dstskipleft;
+ for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) {
+ col = colors[(bits >> bitpos) & 1];
PUTPIXEL();
d += (DEPTH / 8);
- bitmask >>= 1;
+ bitpos = (bitpos - 1) & 7;
}
+ pattern_y = (pattern_y + 1) & 7;
dst += dstpitch;
}
}
-static void
+static void
glue(glue(glue(cirrus_fill_, ROP_NAME), _),DEPTH)
(CirrusVGAState *s,
- uint8_t *dst, int dst_pitch,
+ uint8_t *dst, int dst_pitch,
int width, int height)
{
uint8_t *d, *d1;
projects / qemu / blobdiff