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render: use pointers to rgba foreground/background colors

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This is faster, since we don't have to copy several large doubles when
swapping the colors.
This commit is contained in:
Daniel Eklöf 2019-07-08 15:27:44 +02:00
parent 4e25019ba6
commit 587a9c6ffe
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GPG key ID: 5BBD4992C116573F
1 changed files with 13 additions and 11 deletions
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24
render.c
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@ -47,28 +47,28 @@ render_cell(struct terminal *term, struct buffer *buf, const struct cell *cell,
int x = col * width;
int y = row * height;
struct rgba foreground = cell->attrs.have_foreground
? cell->attrs.foreground
: !term->reverse ? term->foreground : term->background;
struct rgba background = cell->attrs.have_background
? cell->attrs.background
: !term->reverse ? term->background : term->foreground;
const struct rgba *foreground = cell->attrs.have_foreground
? &cell->attrs.foreground
: !term->reverse ? &term->foreground : &term->background;
const struct rgba *background = cell->attrs.have_background
? &cell->attrs.background
: !term->reverse ? &term->background : &term->foreground;
if (has_cursor) {
struct rgba swap = foreground;
const struct rgba *swap = foreground;
foreground = background;
background = swap;
}
if (cell->attrs.reverse) {
struct rgba swap = foreground;
const struct rgba *swap = foreground;
foreground = background;
background = swap;
}
/* Background */
cairo_set_source_rgba(
buf->cairo, background.r, background.g, background.b, background.a);
buf->cairo, background->r, background->g, background->b, background->a);
cairo_rectangle(buf->cairo, x, y, width, height);
cairo_fill(buf->cairo);
@ -89,10 +89,11 @@ render_cell(struct terminal *term, struct buffer *buf, const struct cell *cell,
if (memcmp(&cell->attrs, &gseq.attrs, sizeof(cell->attrs)) != 0 ||
gseq.count >= sizeof(gseq.glyphs) / sizeof(gseq.glyphs[0]) - 10 ||
memcmp(&gseq.foreground, &foreground, sizeof(foreground)) != 0)
memcmp(&gseq.foreground, foreground, sizeof(*foreground)) != 0)
{
if (gseq.count >= sizeof(gseq.glyphs) / sizeof(gseq.glyphs[0]) - 10)
LOG_WARN("hit glyph limit");
cairo_set_scaled_font(buf->cairo, attrs_to_font(term, &gseq.attrs));
cairo_set_source_rgba(
buf->cairo, gseq.foreground.r, gseq.foreground.g,
@ -104,7 +105,7 @@ render_cell(struct terminal *term, struct buffer *buf, const struct cell *cell,
gseq.g = gseq.glyphs;
gseq.count = 0;
gseq.attrs = cell->attrs;
gseq.foreground = foreground;
gseq.foreground = *foreground;
}
int new_glyphs
@ -606,6 +607,7 @@ grid_render(struct terminal *term)
cairo_show_glyphs(buf->cairo, gseq.glyphs, gseq.count);
}
assert(term->grid->offset >= 0 && term->grid->offset < term->grid->num_rows);
#if 0
term->grid->offset %= term->grid->size;
if (term->grid->offset < 0)