1 files changed, 0 insertions, 43 deletions
diff --git a/src/user/lib/draw/flush.c b/src/user/lib/draw/flush.c
deleted file mode 100644
index 88bf3d6..0000000
--- a/src/user/lib/draw/flush.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <camellia/execbuf.h>
-#include <camellia/syscalls.h>
-#include <draw.h>
-
-static void flush_combined(struct rect pix, struct framebuf *fb) {
-	size_t low  = fb->pitch * pix.y1 + 4 * pix.x1;
-	size_t high = fb->pitch * pix.y2 + 4 * pix.y2 + 4;
-	_sys_write(fb->fd, fb->b + low, high - low, low, 0);
-}
-
-static void flush_split(struct rect pix, struct framebuf *fb) {
-	static uint64_t execbuf[EXECBUF_MAX_LEN / sizeof(uint64_t)];
-	size_t epos = 0;
-	if (7 * (pix.y2 - pix.y1) * sizeof(uint64_t) >= sizeof execbuf) {
-		flush_combined(pix, fb);
-		return;
-	}
-
-	for (uint32_t y = pix.y1; y < pix.y2; y++) {
-		size_t low  = fb->pitch * y + 4 * pix.x1;
-		size_t high = fb->pitch * y + 4 * pix.x2 + 4;
-
-		execbuf[epos++] = EXECBUF_SYSCALL;
-		execbuf[epos++] = _SYS_WRITE;
-		execbuf[epos++] = fb->fd;
-		execbuf[epos++] = (uintptr_t)fb->b + low;
-		execbuf[epos++] = high - low;
-		execbuf[epos++] = low;
-		execbuf[epos++] = 0;
-	}
-	_sys_execbuf(execbuf, epos * sizeof(uint64_t));
-}
-
-void dirty_flush(struct rect *d, struct framebuf *fb) {
-	if (~d->x1 == 0) return;
-	if (d->x2 >= fb->width)  d->x2 = fb->width - 1;
-	if (d->y2 >= fb->height) d->y2 = fb->height - 1;
-
-	/* the threshold is mostly arbitrary, wasn't based on any real benchmarks */
-	if (d->x2 - d->x1 > fb->width - 600) flush_combined(*d, fb);
-	else flush_split(*d, fb);
-	dirty_reset(d);
-}