bytemedia

commit: c2eeca02aa928cf763ff5062d797cf86ec58a2b1
parent b9a421087eedd6541d0fdab179b7e80599f65880
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Tue, 14 Dec 2021 02:22:49 +0100

C/wayland: optimise rendering loop

Diffstat:
M
C/wayland.c
14
+++++++++-----

1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/C/wayland.c b/C/wayland.c
@@ -91,9 +91,11 @@ draw_frame(struct client_state *state)
 {
 	int t = (int)state->offset;
 	/* Let the fun begin! */
-	for(int y = 0; y < state->height; ++y)
+	for(int y = 0; y < state->height; y++)
 	{
-		for(int x = 0; x < state->width; ++x)
+		int x_base = y * state->width;
+
+		for(int x = 0; x < state->width; x++)
 		{
 			//if (((x + offset) + (y + offset) / 8 * 8) % 16 < 8)
 			//	data[y * WIDTH + x] = 0xFF666666;
@@ -101,13 +103,15 @@ draw_frame(struct client_state *state)
 			//	data[y * WIDTH + x] = 0xFFEEEEEE;
 
 			// munching squares
-			//state->shm_data[y * WIDTH + x] = (x - t | y - t) + t << t % 16;
+			//state->shm_data[y * state->width + x] = (x - t | y - t) + t << 16;
+
+			state->shm_data[x_base + x] = (x|y) * t <<16;
 
 			//glichy munching squares
-			state->shm_data[y * state->width + x] = (x | y) * t;
+			//state->shm_data[y * state->width + x] = (x | y) * t;
 
 			// color enumeration
-			//data[y * WIDTH + x] = t*2|t*4<<8|t*8<<16;
+			//state->shm_data[y * state->width + x] = t*2|t*4<<8|t*8<<16;
 		}
 	}
 }