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Let the compiler use a register for blanking cpu cells when drawing text

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Kovid Goyal 2024-10-28 14:13:13 +05:30
parent aae50f9a99
commit 0f7878f1e9
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GPG key ID: 06BC317B515ACE7C
1 changed files with 4 additions and 5 deletions
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9
kitty/screen.c
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@ -597,8 +597,7 @@ move_widened_char(Screen *self, text_loop_state *s, CPUCell* cpu_cell, GPUCell *
self->cursor->x = xpos; self->cursor->y = ypos;
CPUCell src_cpu = *cpu_cell, *dest_cpu;
GPUCell src_gpu = *gpu_cell, *dest_gpu;
memcpy(cpu_cell, &s->cc, sizeof(s->cc));
memcpy(gpu_cell, &s->g, sizeof(s->g));
*cpu_cell = s->cc; *gpu_cell = s->g;
if (self->modes.mDECAWM) { // overflow goes onto next line
continue_to_next_line(self);
@ -611,7 +610,7 @@ move_widened_char(Screen *self, text_loop_state *s, CPUCell* cpu_cell, GPUCell *
self->cursor->x = self->columns;
}
*dest_cpu = src_cpu; *dest_gpu = src_gpu;
memcpy(dest_cpu + 1 , &s->cc, sizeof(s->cc));
*(dest_cpu + 1) = s->cc; *(dest_gpu + 1) = s->g;
memcpy(dest_gpu + 1, &s->g, sizeof(s->g));
dest_gpu[1].attrs.width = 0;
}
@ -653,8 +652,8 @@ draw_second_flag_codepoint(Screen *self, char_type ch) {
static void
zero_cells(text_loop_state *s, CPUCell *c, GPUCell *g) {
memcpy(c, &s->cc, sizeof(s->cc));
memcpy(g, &s->g, sizeof(s->g));
*c = s->cc;
*g = s->g;
}
static void