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optimization of output was ruining display effects

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nhmall
2018-05-07 20:20:36 -04:00
parent b524c26da5
commit e90b20a3a9
1 changed files with 12 additions and 0 deletions
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sys/winnt/nttty.c
+12
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@@ -252,6 +252,8 @@ cell_t undefined_cell;
static boolean buffer_flipping_initialized = FALSE; static boolean buffer_flipping_initialized = FALSE;
boolean do_immediate_flips = FALSE;
static void check_buffer_size(int width, int height); static void check_buffer_size(int width, int height);
static cell_t * buffer_get_cell(console_buffer_t * buffer, int x, int y); static cell_t * buffer_get_cell(console_buffer_t * buffer, int x, int y);
@@ -367,12 +369,18 @@ static void buffer_fill_to_end(console_buffer_t * buffer, cell_t * src,
cell_t * sentinel = buffer_get_cell(buffer, 0, buffer_height); cell_t * sentinel = buffer_get_cell(buffer, 0, buffer_height);
while (dst != sentinel) while (dst != sentinel)
*dst++ = clear_cell; *dst++ = clear_cell;
if (do_immediate_flips && buffer == &back_buffer)
back_buffer_flip();
} }
static void back_buffer_write(cell_t * cell, int x, int y) static void back_buffer_write(cell_t * cell, int x, int y)
{ {
cell_t * dst = buffer_get_cell(&back_buffer, x, y); cell_t * dst = buffer_get_cell(&back_buffer, x, y);
*dst = *cell; *dst = *cell;
if (do_immediate_flips)
back_buffer_flip();
} }
static void back_buffer_clear_to_end_of_line(int x, int y) static void back_buffer_clear_to_end_of_line(int x, int y)
@@ -384,6 +392,9 @@ static void back_buffer_clear_to_end_of_line(int x, int y)
sentinel = buffer_get_cell(&back_buffer, 0, y+1); sentinel = buffer_get_cell(&back_buffer, 0, y+1);
while (cell != sentinel) while (cell != sentinel)
*cell++ = clear_cell; *cell++ = clear_cell;
if (do_immediate_flips)
back_buffer_flip();
} }
/* /*
@@ -922,6 +933,7 @@ tty_delay_output()
int k; int k;
goal = 50 + clock(); goal = 50 + clock();
back_buffer_flip();
while (goal > clock()) { while (goal > clock()) {
k = junk; /* Do nothing */ k = junk; /* Do nothing */
} }