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Added Voodoo Banshee/3 YUV -> 16/24/32-bit RGB blits, fixes #2246.

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OBattler
2022-11-06 23:54:36 +01:00
parent f88fbd6fd2
commit b2c22c9f4a
1 changed files with 138 additions and 5 deletions
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143
src/video/vid_voodoo_banshee_blitter.c
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@@ -1,6 +1,6 @@
/*Current issues :
- missing screen->screen scaled blits with format conversion
- missing YUV blits
- missing YUV blits (YUV -> 32-bit, 24-bit, or 16-bit RGB now done)
- missing linestyle
- missing wait for vsync
- missing reversible lines
@@ -303,6 +303,7 @@ update_src_stride(voodoo_t *voodoo)
bpp = 24;
break;
case SRC_FORMAT_COL_32_BPP:
case SRC_FORMAT_COL_YUYV:
bpp = 32;
break;
@@ -399,6 +400,86 @@ banshee_do_rectfill(voodoo_t *voodoo)
end_command(voodoo);
}
void DECODE_YUYV422(uint32_t *buf, uint8_t *src)
{
do {
int wp = 0;
uint8_t y1, y2;
int8_t Cr, Cb;
int dR, dG, dB;
int r, g, b;
y1 = src[0];
Cr = src[1] - 0x80;
y2 = src[2];
Cb = src[3] - 0x80;
dR = (359 * Cr) >> 8;
dG = (88 * Cb + 183 * Cr) >> 8;
dB = (453 * Cb) >> 8;
r = y1 + dR;
r = CLAMP(r);
g = y1 - dG;
g = CLAMP(g);
b = y1 + dB;
b = CLAMP(b);
buf[wp++] = r | (g << 8) | (b << 16);
r = y2 + dR;
r = CLAMP(r);
g = y2 - dG;
g = CLAMP(g);
b = y2 + dB;
b = CLAMP(b);
buf[wp++] = r | (g << 8) | (b << 16);
} while (0);
}
void DECODE_YUYV422_16BPP(uint16_t *buf, uint8_t *src)
{
do {
int wp = 0;
uint8_t y1, y2;
int8_t Cr, Cb;
int dR, dG, dB;
int r, g, b;
y1 = src[0];
Cr = src[1] - 0x80;
y2 = src[2];
Cb = src[3] - 0x80;
dR = (359 * Cr) >> 8;
dG = (88 * Cb + 183 * Cr) >> 8;
dB = (453 * Cb) >> 8;
r = y1 + dR;
r = CLAMP(r);
r >>= 3;
g = y1 - dG;
g = CLAMP(g);
g >>= 2;
b = y1 + dB;
b = CLAMP(b);
b >>= 3;
buf[wp++] = r | (g << 5) | (b << 11);
r = y2 + dR;
r = CLAMP(r);
r >>= 3;
g = y2 - dG;
g = CLAMP(g);
g >>= 2;
b = y2 + dB;
b = CLAMP(b);
b >>= 3;
buf[wp++] = r | (g << 5) | (b << 11);
} while (0);
}
static void
do_screen_to_screen_line(voodoo_t *voodoo, uint8_t *src_p, int use_x_dir, int src_x, int src_tiled)
{
@@ -513,8 +594,9 @@ do_screen_to_screen_line(voodoo_t *voodoo, uint8_t *src_p, int use_x_dir, int sr
src_x_real = (src_x_real & 127) + ((src_x_real >> 7) * 128 * 32);
if (dst_x >= clip->x_min && dst_x < clip->x_max && pattern_trans) {
uint32_t src_data = 0;
int transparent = 0;
uint32_t src_data = 0;
uint32_t src_data_yuv = 0; /* Used in YUYV-to-RGB convesions. */
int transparent = 0;
switch (voodoo->banshee_blt.srcFormat & SRC_FORMAT_COL_MASK) {
case SRC_FORMAT_COL_1_BPP:
@@ -554,6 +636,11 @@ do_screen_to_screen_line(voodoo_t *voodoo, uint8_t *src_p, int use_x_dir, int sr
src_data = *(uint32_t *) &src_p[src_x_real];
break;
}
case SRC_FORMAT_COL_YUYV:
{
src_data_yuv = *(uint32_t *) &src_p[src_x_real];
break;
}
default:
fatal("banshee_do_screen_to_screen_blt: unknown srcFormat %08x\n", voodoo->banshee_blt.srcFormat);
@@ -567,9 +654,54 @@ do_screen_to_screen_line(voodoo_t *voodoo, uint8_t *src_p, int use_x_dir, int sr
src_data = (b >> 3) | ((g >> 2) << 5) | ((r >> 3) << 11);
}
if (!transparent)
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, src_data, src_colorkey);
if ((voodoo->banshee_blt.srcFormat & SRC_FORMAT_COL_MASK) == SRC_FORMAT_COL_YUYV) {
if (((voodoo->banshee_blt.dstFormat & DST_FORMAT_COL_MASK) == DST_FORMAT_COL_24_BPP) ||
((voodoo->banshee_blt.dstFormat & DST_FORMAT_COL_MASK) == DST_FORMAT_COL_32_BPP)) {
uint32_t rgbcol[2] = { 0, 0 };
DECODE_YUYV422(rgbcol, (uint8_t *) &src_data_yuv);
bansheeblt_log("YUV -> 24 bpp or 32 bpp\n");
if (!transparent) {
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, rgbcol[0], src_colorkey);
}
if (use_x_dir) {
dst_x += (voodoo->banshee_blt.command & COMMAND_DX) ? -1 : 1;
} else {
dst_x++;
}
if (!transparent) {
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, rgbcol[1], src_colorkey);
}
} else if ((voodoo->banshee_blt.dstFormat & DST_FORMAT_COL_MASK) == DST_FORMAT_COL_16_BPP) {
uint32_t rgbcol = 0;
DECODE_YUYV422_16BPP((uint16_t *) &rgbcol, (uint8_t *) &src_data_yuv);
bansheeblt_log("YUV -> 16 bpp\n");
if (!transparent) {
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, rgbcol & 0xffff, src_colorkey);
}
if (use_x_dir) {
dst_x += (voodoo->banshee_blt.command & COMMAND_DX) ? -1 : 1;
} else {
dst_x++;
}
if (!transparent) {
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, rgbcol >> 16, src_colorkey);
}
} else
fatal("banshee_do_screen_to_screen_blt: unknown dstFormat %08x\n", voodoo->banshee_blt.dstFormat);
} else {
if (!transparent)
PLOT(voodoo, dst_x, dst_y, pat_x, pat_y, pattern_mask, rop, src_data, src_colorkey);
}
}
if (use_x_dir) {
src_x += (voodoo->banshee_blt.command & COMMAND_DX) ? -1 : 1;
dst_x += (voodoo->banshee_blt.command & COMMAND_DX) ? -1 : 1;
@@ -1183,6 +1315,7 @@ voodoo_2d_reg_writel(voodoo_t *voodoo, uint32_t addr, uint32_t val)
voodoo->banshee_blt.src_bpp = 24;
break;
case SRC_FORMAT_COL_32_BPP:
case SRC_FORMAT_COL_YUYV:
voodoo->banshee_blt.src_bpp = 32;
break;
case SRC_FORMAT_COL_16_BPP: