diff --git a/internal/graphicsdriver/directx/pipeline_windows.go b/internal/graphicsdriver/directx/pipeline_windows.go
index 5fe13386b..1f5e7df8f 100644
--- a/internal/graphicsdriver/directx/pipeline_windows.go
+++ b/internal/graphicsdriver/directx/pipeline_windows.go
@@ -175,7 +175,7 @@ float4 PSMain(PSInput input) : SV_TARGET {
   float2 pos = input.texcoord;
   float2 texel_size = 1.0 / source_size;
 
-  // Shift 1/512 [texel] to avoid the tie-breaking issue.
+  // Shift 1/512 [texel] to avoid the tie-breaking issue (#1212).
   // As all the vertex positions are aligned to 1/16 [pixel], this shiting should work in most cases.
   float2 p0 = pos - (texel_size) / 2.0 + (texel_size / 512.0);
   float2 p1 = pos + (texel_size) / 2.0 + (texel_size / 512.0);
diff --git a/internal/graphicsdriver/metal/graphics_darwin.go b/internal/graphicsdriver/metal/graphics_darwin.go
index 30df6d051..351b638d1 100644
--- a/internal/graphicsdriver/metal/graphics_darwin.go
+++ b/internal/graphicsdriver/metal/graphics_darwin.go
@@ -129,7 +129,7 @@ struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
   inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, constant float4& source_region) {
     const float2 texel_size = 1 / source_size;
 
-    // Shift 1/512 [texel] to avoid the tie-breaking issue.
+    // Shift 1/512 [texel] to avoid the tie-breaking issue (#1212).
     // As all the vertex positions are aligned to 1/16 [pixel], this shiting should work in most cases.
     float2 p0 = v.tex - texel_size / 2.0 + (texel_size / 512.0);
     float2 p1 = v.tex + texel_size / 2.0 + (texel_size / 512.0);
@@ -149,7 +149,7 @@ struct ColorFromTexel<FILTER_LINEAR, address> {
   inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, constant float4& source_region) {
     const float2 texel_size = 1 / source_size;
 
-    // Shift 1/512 [texel] to avoid the tie-breaking issue.
+    // Shift 1/512 [texel] to avoid the tie-breaking issue (#1212).
     // As all the vertex positions are aligned to 1/16 [pixel], this shiting should work in most cases.
     float2 p0 = v.tex - texel_size / 2.0 + (texel_size / 512.0);
     float2 p1 = v.tex + texel_size / 2.0 + (texel_size / 512.0);
diff --git a/internal/graphicsdriver/opengl/defaultshader.go b/internal/graphicsdriver/opengl/defaultshader.go
index 9b0cf1ae6..148f9b1e0 100644
--- a/internal/graphicsdriver/opengl/defaultshader.go
+++ b/internal/graphicsdriver/opengl/defaultshader.go
@@ -192,7 +192,7 @@ void main(void) {
   vec4 color;
   highp vec2 texel_size = 1.0 / source_size;
 
-  // Shift 1/512 [texel] to avoid the tie-breaking issue.
+  // Shift 1/512 [texel] to avoid the tie-breaking issue (#1212).
   // As all the vertex positions are aligned to 1/16 [pixel], this shiting should work in most cases.
   highp vec2 p0 = pos - (texel_size) / 2.0 + (texel_size / 512.0);
   highp vec2 p1 = pos + (texel_size) / 2.0 + (texel_size / 512.0);