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Implement non-poly lines in Banshee/V3 blitter.

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This commit is contained in:
SarahW 2020-12-01 15:21:44 +00:00
commit 4adb34078d
1 changed files with 19 additions and 6 deletions
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25
src/vid_voodoo_banshee_blitter.c
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@ -890,7 +890,7 @@ static void step_line(voodoo_t *voodoo)
voodoo->banshee_blt.line_pix_pos++;
}
static void banshee_do_line(voodoo_t *voodoo)
static void banshee_do_line(voodoo_t *voodoo, int draw_last_pixel)
{
clip_t *clip = &voodoo->banshee_blt.clip[(voodoo->banshee_blt.command & COMMAND_CLIP_SEL) ? 1 : 0];
uint8_t rop = voodoo->banshee_blt.command >> 24;
@ -947,6 +947,15 @@ static void banshee_do_line(voodoo_t *voodoo)
}
}
if (draw_last_pixel)
{
int mask = stipple & (1 << voodoo->banshee_blt.line_bit_pos);
int pattern_trans = (voodoo->banshee_blt.command & COMMAND_TRANS_MONO) ? mask : 1;
if (y >= clip->y_min && y < clip->y_max && x >= clip->x_min && x < clip->x_max && pattern_trans)
PLOT_LINE(voodoo, x, y, rop, mask ? voodoo->banshee_blt.colorFore : voodoo->banshee_blt.colorBack, COLORKEY_32);
}
voodoo->banshee_blt.srcXY = (x & 0xffff) | (y << 16);
voodoo->banshee_blt.srcX = x;
voodoo->banshee_blt.srcY = y;
@ -1084,8 +1093,12 @@ static void banshee_do_2d_blit(voodoo_t *voodoo, int count, uint32_t data)
banshee_do_rectfill(voodoo);
break;
case COMMAND_CMD_LINE:
banshee_do_line(voodoo, 1);
break;
case COMMAND_CMD_POLYLINE:
banshee_do_line(voodoo);
banshee_do_line(voodoo, 0);
break;
default:
@ -1358,18 +1371,18 @@ void voodoo_2d_reg_writel(voodoo_t *voodoo, uint32_t addr, uint32_t val)
banshee_do_rectfill(voodoo);
break;
/* case COMMAND_CMD_LINE:
case COMMAND_CMD_LINE:
voodoo->banshee_blt.dstXY = val;
voodoo->banshee_blt.dstX = ((int32_t)(val << 19)) >> 19;
voodoo->banshee_blt.dstY = ((int32_t)(val << 3)) >> 19;
banshee_do_line(voodoo);
break;*/
banshee_do_line(voodoo, 1);
break;
case COMMAND_CMD_POLYLINE:
voodoo->banshee_blt.dstXY = val;
voodoo->banshee_blt.dstX = ((int32_t)(val << 19)) >> 19;
voodoo->banshee_blt.dstY = ((int32_t)(val << 3)) >> 19;
banshee_do_line(voodoo);
banshee_do_line(voodoo, 0);
break;
case COMMAND_CMD_POLYFILL: