diff --git a/src/include/86box/vid_svga.h b/src/include/86box/vid_svga.h index 682a66111b..52a9c9b0ac 100644 --- a/src/include/86box/vid_svga.h +++ b/src/include/86box/vid_svga.h @@ -268,6 +268,9 @@ typedef struct svga_t { /* Pointer to monitor */ monitor_t *monitor; + /* Enable LUT mapping of >= 24 bpp modes. */ + int lut_map; + void * dev8514; void * xga; } svga_t; diff --git a/src/include/86box/video.h b/src/include/86box/video.h index 396b391241..4d8302982b 100644 --- a/src/include/86box/video.h +++ b/src/include/86box/video.h @@ -32,6 +32,9 @@ using atomic_int = std::atomic_int; #define makecol(r, g, b) ((b) | ((g) << 8) | ((r) << 16)) #define makecol32(r, g, b) ((b) | ((g) << 8) | ((r) << 16)) +#define getcolr(color) (((color) >> 16) & 0xFF) +#define getcolg(color) (((color) >> 8) & 0xFF) +#define getcolb(color) ((color) & 0xFF) enum { VID_NONE = 0, diff --git a/src/video/vid_mga.c b/src/video/vid_mga.c index 45ecd012f2..1f93c339e6 100644 --- a/src/video/vid_mga.c +++ b/src/video/vid_mga.c @@ -914,6 +914,7 @@ mystique_recalctimings(svga_t *svga) svga->hdisp = (svga->crtc[1] + 1) << 3; svga->hdisp_time = svga->hdisp; svga->rowoffset = svga->crtc[0x13] | ((mystique->crtcext_regs[0] & CRTCX_R0_OFFSET_MASK) << 4); + svga->lut_map = 1; if (mystique->pci_regs[0x41] & (OPTION_INTERLEAVE >> 8)) { svga->rowoffset <<= 1; @@ -992,6 +993,7 @@ mystique_recalctimings(svga_t *svga) } else { svga->packed_chain4 = 0; svga->line_compare = NULL; + svga->lut_map = 0; if (mystique->type >= MGA_1064SG) svga->bpp = 8; else diff --git a/src/video/vid_svga_render.c b/src/video/vid_svga_render.c index 7a15dc1cfe..e94916fd5e 100644 --- a/src/video/vid_svga_render.c +++ b/src/video/vid_svga_render.c @@ -30,6 +30,20 @@ #include <86box/vid_svga_render.h> #include <86box/vid_svga_render_remap.h> +static inline uint32_t +lookup_lut_ram(svga_t* svga, uint32_t val) +{ + if (!svga->lut_map) + return val; + + uint8_t r = getcolr(svga->pallook[getcolr(val)]); + uint8_t g = getcolg(svga->pallook[getcolg(val)]); + uint8_t b = getcolb(svga->pallook[getcolb(val)]); + return makecol32(r, g, b) | (val & 0xFF000000); +} + +#define lookup_lut(val) lookup_lut_ram(svga, val) + void svga_render_null(svga_t *svga) { @@ -1422,7 +1436,7 @@ svga_render_24bpp_lowres(svga_t *svga) fg = svga->vram[svga->ma] | (svga->vram[svga->ma + 1] << 8) | (svga->vram[svga->ma + 2] << 16); svga->ma += 3; svga->ma &= svga->vram_display_mask; - svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = fg; + svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = lookup_lut(fg); } } } else { @@ -1441,10 +1455,10 @@ svga_render_24bpp_lowres(svga_t *svga) dat1 = *(uint32_t *) (&svga->vram[(svga->ma + 4) & svga->vram_display_mask]); dat2 = *(uint32_t *) (&svga->vram[(svga->ma + 8) & svga->vram_display_mask]); - p[0] = p[1] = dat0 & 0xffffff; - p[2] = p[3] = (dat0 >> 24) | ((dat1 & 0xffff) << 8); - p[4] = p[5] = (dat1 >> 16) | ((dat2 & 0xff) << 16); - p[6] = p[7] = dat2 >> 8; + p[0] = p[1] = lookup_lut(dat0 & 0xffffff); + p[2] = p[3] = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8)); + p[4] = p[5] = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16)); + p[6] = p[7] = lookup_lut(dat2 >> 8); svga->ma += 12; } @@ -1457,10 +1471,10 @@ svga_render_24bpp_lowres(svga_t *svga) addr = svga->remap_func(svga, svga->ma + 8); dat2 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - p[0] = p[1] = dat0 & 0xffffff; - p[2] = p[3] = (dat0 >> 24) | ((dat1 & 0xffff) << 8); - p[4] = p[5] = (dat1 >> 16) | ((dat2 & 0xff) << 16); - p[6] = p[7] = dat2 >> 8; + p[0] = p[1] = lookup_lut(dat0 & 0xffffff); + p[2] = p[3] = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8)); + p[4] = p[5] = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16)); + p[6] = p[7] = lookup_lut(dat2 >> 8); svga->ma += 12; } @@ -1495,16 +1509,16 @@ svga_render_24bpp_highres(svga_t *svga) for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) { dat = *(uint32_t *) (&svga->vram[svga->ma & svga->vram_display_mask]); - p[x] = dat & 0xffffff; + p[x] = lookup_lut(dat & 0xffffff); dat = *(uint32_t *) (&svga->vram[(svga->ma + 3) & svga->vram_display_mask]); - p[x + 1] = dat & 0xffffff; + p[x + 1] = lookup_lut(dat & 0xffffff); dat = *(uint32_t *) (&svga->vram[(svga->ma + 6) & svga->vram_display_mask]); - p[x + 2] = dat & 0xffffff; + p[x + 2] = lookup_lut(dat & 0xffffff); dat = *(uint32_t *) (&svga->vram[(svga->ma + 9) & svga->vram_display_mask]); - p[x + 3] = dat & 0xffffff; + p[x + 3] = lookup_lut(dat & 0xffffff); svga->ma += 12; } @@ -1526,10 +1540,10 @@ svga_render_24bpp_highres(svga_t *svga) dat1 = *(uint32_t *) (&svga->vram[(svga->ma + 4) & svga->vram_display_mask]); dat2 = *(uint32_t *) (&svga->vram[(svga->ma + 8) & svga->vram_display_mask]); - *p++ = dat0 & 0xffffff; - *p++ = (dat0 >> 24) | ((dat1 & 0xffff) << 8); - *p++ = (dat1 >> 16) | ((dat2 & 0xff) << 16); - *p++ = dat2 >> 8; + *p++ = lookup_lut(dat0 & 0xffffff); + *p++ = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8)); + *p++ = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16)); + *p++ = lookup_lut(dat2 >> 8); svga->ma += 12; } @@ -1542,10 +1556,10 @@ svga_render_24bpp_highres(svga_t *svga) addr = svga->remap_func(svga, svga->ma + 8); dat2 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - *p++ = dat0 & 0xffffff; - *p++ = (dat0 >> 24) | ((dat1 & 0xffff) << 8); - *p++ = (dat1 >> 16) | ((dat2 & 0xff) << 16); - *p++ = dat2 >> 8; + *p++ = lookup_lut(dat0 & 0xffffff); + *p++ = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8)); + *p++ = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16)); + *p++ = lookup_lut(dat2 >> 8); svga->ma += 12; } @@ -1577,7 +1591,7 @@ svga_render_32bpp_lowres(svga_t *svga) dat = svga->vram[svga->ma] | (svga->vram[svga->ma + 1] << 8) | (svga->vram[svga->ma + 2] << 16); svga->ma += 4; svga->ma &= svga->vram_display_mask; - svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = dat; + svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = lookup_lut(dat); } } } else { @@ -1593,16 +1607,16 @@ svga_render_32bpp_lowres(svga_t *svga) if (!svga->remap_required) { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { dat = *(uint32_t *) (&svga->vram[(svga->ma + (x << 2)) & svga->vram_display_mask]); - *p++ = dat & 0xffffff; - *p++ = dat & 0xffffff; + *p++ = lookup_lut(dat & 0xffffff); + *p++ = lookup_lut(dat & 0xffffff); } svga->ma += (x * 4); } else { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { addr = svga->remap_func(svga, svga->ma); dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - *p++ = dat & 0xffffff; - *p++ = dat & 0xffffff; + *p++ = lookup_lut(dat & 0xffffff); + *p++ = lookup_lut(dat & 0xffffff); svga->ma += 4; } svga->ma &= svga->vram_display_mask; @@ -1633,7 +1647,7 @@ svga_render_32bpp_highres(svga_t *svga) for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { dat = *(uint32_t *) (&svga->vram[(svga->ma + (x << 2)) & svga->vram_display_mask]); - p[x] = dat & 0xffffff; + p[x] = lookup_lut(dat & 0xffffff); } svga->ma += 4; svga->ma &= svga->vram_display_mask; @@ -1651,14 +1665,14 @@ svga_render_32bpp_highres(svga_t *svga) if (!svga->remap_required) { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { dat = *(uint32_t *) (&svga->vram[(svga->ma + (x << 2)) & svga->vram_display_mask]); - *p++ = dat & 0xffffff; + *p++ = lookup_lut(dat & 0xffffff); } svga->ma += (x * 4); } else { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { addr = svga->remap_func(svga, svga->ma); dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - *p++ = dat & 0xffffff; + *p++ = lookup_lut(dat & 0xffffff); svga->ma += 4; } @@ -1692,14 +1706,14 @@ svga_render_ABGR8888_highres(svga_t *svga) if (!svga->remap_required) { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { dat = *(uint32_t *) (&svga->vram[(svga->ma + (x << 2)) & svga->vram_display_mask]); - *p++ = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); + *p++ = lookup_lut(((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16)); } svga->ma += x * 4; } else { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { addr = svga->remap_func(svga, svga->ma); dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - *p++ = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); + *p++ = lookup_lut(((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16)); svga->ma += 4; } @@ -1732,14 +1746,14 @@ svga_render_RGBA8888_highres(svga_t *svga) if (!svga->remap_required) { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { dat = *(uint32_t *) (&svga->vram[(svga->ma + (x << 2)) & svga->vram_display_mask]); - *p++ = dat >> 8; + *p++ = lookup_lut(dat >> 8); } svga->ma += (x * 4); } else { for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) { addr = svga->remap_func(svga, svga->ma); dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]); - *p++ = dat >> 8; + *p++ = lookup_lut(dat >> 8); svga->ma += 4; }