From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Sun, 24 Sep 2017 16:42:10 +0000 (+0200)
Subject: Stop hardcoding blocks per row in the shader.
X-Git-Url: https://git.sesse.net/?p=narabu;a=commitdiff_plain;h=df875b27feed0684ef6b469ceda368fdbf2a2043

Stop hardcoding blocks per row in the shader.
---

diff --git a/decoder.shader b/decoder.shader
index 7136e03..724a2f5 100644
--- a/decoder.shader
+++ b/decoder.shader
@@ -203,6 +203,8 @@ void main()
 	local_timing[0] = start;
 #endif
 
+	const uint blocks_per_row = (imageSize(out_tex).x + 7) / 8;
+
 	const uint local_x = gl_LocalInvocationID.x % 8;
 	const uint local_y = (gl_LocalInvocationID.x / 8) % 8;
 	const uint local_z = gl_LocalInvocationID.x / 64;
@@ -306,8 +308,8 @@ void main()
 		pick_timer(start, local_timing[6]);
 
 		uint global_block_idx = (block_row * 40 + block_idx) * 8 + local_y;
-		uint block_x = global_block_idx % 160;
-		uint block_y = global_block_idx / 160;
+		uint block_x = global_block_idx % blocks_per_row;
+		uint block_y = global_block_idx / blocks_per_row;
 
 		uint y = block_y * 8;
 		uint x = block_x * 8 + local_x;