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coarse.comp: extract area commands into function

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No functional changes.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur 2021-03-30 19:56:09 +02:00
parent d916a9e2c4
commit e6b535d942
2 changed files with 20 additions and 44 deletions
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64
piet-gpu/shader/coarse.comp
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@ -91,6 +91,23 @@ bool alloc_cmd(inout Alloc cmd_alloc, inout CmdRef cmd_ref, inout uint cmd_limit
return true;
}
void write_fill(Alloc alloc, inout CmdRef cmd_ref, uint flags, Tile tile, float linewidth) {
if (fill_mode_from_flags(flags) == MODE_NONZERO) {
if (tile.tile.offset != 0) {
CmdFill cmd_fill = CmdFill(tile.tile.offset, tile.backdrop);
Cmd_Fill_write(alloc, cmd_ref, cmd_fill);
cmd_ref.offset += 4 + CmdFill_size;
} else {
Cmd_Solid_write(alloc, cmd_ref);
cmd_ref.offset += 4;
}
} else {
CmdStroke cmd_stroke = CmdStroke(tile.tile.offset, 0.5 * linewidth);
Cmd_Stroke_write(alloc, cmd_ref, cmd_stroke);
cmd_ref.offset += 4 + CmdStroke_size;
}
}
void main() {
if (mem_error != NO_ERROR) {
return;
@ -320,20 +337,7 @@ void main() {
if (!alloc_cmd(cmd_alloc, cmd_ref, cmd_limit)) {
break;
}
if (fill_mode_from_flags(tag.flags) == MODE_NONZERO) {
if (tile.tile.offset != 0) {
CmdFill cmd_fill = CmdFill(tile.tile.offset, tile.backdrop);
Cmd_Fill_write(cmd_alloc, cmd_ref, cmd_fill);
cmd_ref.offset += 4 + CmdFill_size;
} else {
Cmd_Solid_write(cmd_alloc, cmd_ref);
cmd_ref.offset += 4;
}
} else {
CmdStroke cmd_stroke = CmdStroke(tile.tile.offset, 0.5 * fill.linewidth);
Cmd_Stroke_write(cmd_alloc, cmd_ref, cmd_stroke);
cmd_ref.offset += 4 + CmdStroke_size;
}
write_fill(cmd_alloc, cmd_ref, tag.flags, tile, fill.linewidth);
Cmd_Color_write(cmd_alloc, cmd_ref, CmdColor(fill.rgba_color));
cmd_ref.offset += 4 + CmdColor_size;
break;
@ -344,20 +348,7 @@ void main() {
if (!alloc_cmd(cmd_alloc, cmd_ref, cmd_limit)) {
break;
}
if (fill_mode_from_flags(tag.flags) == MODE_NONZERO) {
if (tile.tile.offset != 0) {
CmdFill cmd_fill = CmdFill(tile.tile.offset, tile.backdrop);
Cmd_Fill_write(cmd_alloc, cmd_ref, cmd_fill);
cmd_ref.offset += 4 + CmdFill_size;
} else {
Cmd_Solid_write(cmd_alloc, cmd_ref);
cmd_ref.offset += 4;
}
} else {
CmdStroke cmd_stroke = CmdStroke(tile.tile.offset, 0.5 * fill_img.linewidth);
Cmd_Stroke_write(cmd_alloc, cmd_ref, cmd_stroke);
cmd_ref.offset += 4 + CmdStroke_size;
}
write_fill(cmd_alloc, cmd_ref, tag.flags, tile, fill_img.linewidth);
Cmd_Image_write(cmd_alloc, cmd_ref, CmdImage(fill_img.index, fill_img.offset));
cmd_ref.offset += 4 + CmdImage_size;
break;
@ -373,22 +364,7 @@ void main() {
if (!alloc_cmd(cmd_alloc, cmd_ref, cmd_limit)) {
break;
}
if (fill_mode_from_flags(tag.flags) == MODE_NONZERO) {
if (tile.tile.offset != 0) {
CmdFill cmd_fill = CmdFill(tile.tile.offset, tile.backdrop);
Cmd_Fill_write(cmd_alloc, cmd_ref, cmd_fill);
cmd_ref.offset += 4 + CmdFill_size;
} else {
// TODO: here is where a bunch of optimization magic should happen
float alpha = tile.backdrop == 0 ? 0.0 : 1.0;
Cmd_Alpha_write(cmd_alloc, cmd_ref, CmdAlpha(alpha));
cmd_ref.offset += 4 + CmdAlpha_size;
}
} else {
CmdStroke cmd_stroke = CmdStroke(tile.tile.offset, 0.5 * begin_clip.linewidth);
Cmd_Stroke_write(cmd_alloc, cmd_ref, cmd_stroke);
cmd_ref.offset += 4 + CmdStroke_size;
}
write_fill(cmd_alloc, cmd_ref, tag.flags, tile, begin_clip.linewidth);
Cmd_BeginClip_write(cmd_alloc, cmd_ref);
cmd_ref.offset += 4;
if (clip_depth < 32) {

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piet-gpu/shader/coarse.spv
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