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Add SVGA multi-monitor support

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Cirrus Logic CL-GD5436/CL-GD5446 works as secondary video adapters
This commit is contained in:
Cacodemon345
2023-01-22 16:50:21 +06:00
parent b875e8518d
commit 7898109b66
10 changed files with 174 additions and 151 deletions
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82
src/video/vid_svga_render.c
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@@ -67,7 +67,7 @@ svga_render_blank(svga_t *svga)
break;
}
uint32_t *line_ptr = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
uint32_t *line_ptr = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
uint32_t line_width = (uint32_t) (svga->hdisp + svga->scrollcache) * char_width * sizeof(uint32_t);
memset(line_ptr, 0, line_width);
}
@@ -83,7 +83,7 @@ svga_render_overscan_left(svga_t *svga)
if (svga->scrblank || (svga->hdisp == 0))
return;
uint32_t *line_ptr = buffer32->line[svga->displine + svga->y_add];
uint32_t *line_ptr = svga->monitor->target_buffer->line[svga->displine + svga->y_add];
for (i = 0; i < svga->x_add; i++)
*line_ptr++ = svga->overscan_color;
}
@@ -99,7 +99,7 @@ svga_render_overscan_right(svga_t *svga)
if (svga->scrblank || (svga->hdisp == 0))
return;
uint32_t *line_ptr = &buffer32->line[svga->displine + svga->y_add][svga->x_add + svga->hdisp];
uint32_t *line_ptr = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add + svga->hdisp];
right = (overscan_x >> 1);
for (i = 0; i < right; i++)
*line_ptr++ = svga->overscan_color;
@@ -124,7 +124,7 @@ svga_render_text_40(svga_t *svga)
svga->lastline_draw = svga->displine;
if (svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
xinc = (svga->seqregs[1] & 1) ? 16 : 18;
for (x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
@@ -198,7 +198,7 @@ svga_render_text_80(svga_t *svga)
svga->lastline_draw = svga->displine;
if (svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
xinc = (svga->seqregs[1] & 1) ? 8 : 9;
for (x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
@@ -271,7 +271,7 @@ svga_render_text_80_ksc5601(svga_t *svga)
svga->lastline_draw = svga->displine;
if (svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
xinc = (svga->seqregs[1] & 1) ? 8 : 9;
@@ -394,7 +394,7 @@ svga_render_2bpp_lowres(svga_t *svga)
changed_offset = ((svga->ma << 1) + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -442,7 +442,7 @@ svga_render_2bpp_lowres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -491,7 +491,7 @@ svga_render_2bpp_highres(svga_t *svga)
changed_offset = ((svga->ma << 1) + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -539,7 +539,7 @@ svga_render_2bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -588,7 +588,7 @@ svga_render_2bpp_headland_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -641,7 +641,7 @@ svga_render_4bpp_lowres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -701,7 +701,7 @@ svga_render_4bpp_lowres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -759,7 +759,7 @@ svga_render_4bpp_highres(svga_t *svga)
changed_offset = (svga->ma + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -819,7 +819,7 @@ svga_render_4bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -874,7 +874,7 @@ svga_render_8bpp_lowres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -897,7 +897,7 @@ svga_render_8bpp_lowres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -946,7 +946,7 @@ svga_render_8bpp_highres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -974,7 +974,7 @@ svga_render_8bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1026,7 +1026,7 @@ svga_render_8bpp_tseng_lowres(svga_t *svga)
return;
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1068,7 +1068,7 @@ svga_render_8bpp_tseng_highres(svga_t *svga)
return;
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1129,7 +1129,7 @@ svga_render_15bpp_lowres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1153,7 +1153,7 @@ svga_render_15bpp_lowres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1200,7 +1200,7 @@ svga_render_15bpp_highres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1230,7 +1230,7 @@ svga_render_15bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1281,7 +1281,7 @@ svga_render_15bpp_mix_lowres(svga_t *svga)
return;
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1316,7 +1316,7 @@ svga_render_15bpp_mix_highres(svga_t *svga)
return;
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1361,7 +1361,7 @@ svga_render_16bpp_lowres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1383,7 +1383,7 @@ svga_render_16bpp_lowres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1430,7 +1430,7 @@ svga_render_16bpp_highres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1460,7 +1460,7 @@ svga_render_16bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1526,14 +1526,14 @@ 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;
buffer32->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = buffer32->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] = fg;
}
}
} else {
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1588,7 +1588,7 @@ svga_render_24bpp_highres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1615,7 +1615,7 @@ svga_render_24bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1677,14 +1677,14 @@ 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;
buffer32->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = buffer32->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] = dat;
}
}
} else {
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1724,7 +1724,7 @@ svga_render_32bpp_highres(svga_t *svga)
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->changedvram[(svga->ma >> 12) + 2] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1741,7 +1741,7 @@ svga_render_32bpp_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1781,7 +1781,7 @@ svga_render_ABGR8888_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
@@ -1820,7 +1820,7 @@ svga_render_RGBA8888_highres(svga_t *svga)
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;