DPI scaling fixes

draw/shaders/generated/backdrop_blur.vert.metal

@@ -55,18 +55,18 @@ struct Uniforms
 struct Gaussian_Blur_Primitive
 {
     float4 bounds;
-    float4 radii;
-    float2 half_size;
-    float half_feather;
+    float4 radii_ppx;
+    float2 half_size_ppx;
+    float half_feather_ppx;
     uint color;
 };
 
 struct Gaussian_Blur_Primitive_1
 {
     float4 bounds;
-    float4 radii;
-    float2 half_size;
-    float half_feather;
+    float4 radii_ppx;
+    float2 half_size_ppx;
+    float half_feather_ppx;
     uint color;
 };
 
@@ -81,9 +81,9 @@ struct main0_out
 {
     float2 p_local [[user(locn0)]];
     float4 f_color [[user(locn1)]];
-    float2 f_half_size [[user(locn2)]];
-    float4 f_radii [[user(locn3)]];
-    float f_half_feather [[user(locn4)]];
+    float2 f_half_size_ppx [[user(locn2)]];
+    float4 f_radii_ppx [[user(locn3)]];
+    float f_half_feather_ppx [[user(locn4)]];
     float4 gl_Position [[position]];
 };
 
@@ -96,26 +96,26 @@ vertex main0_out main0(constant Uniforms& _13 [[buffer(0)]], const device Gaussi
         out.gl_Position = float4(ndc, 0.0, 1.0);
         out.p_local = float2(0.0);
         out.f_color = float4(0.0);
-        out.f_half_size = float2(0.0);
-        out.f_radii = float4(0.0);
-        out.f_half_feather = 0.0;
+        out.f_half_size_ppx = float2(0.0);
+        out.f_radii_ppx = float4(0.0);
+        out.f_half_feather_ppx = 0.0;
     }
     else
     {
         Gaussian_Blur_Primitive p;
         p.bounds = _69.primitives[int(gl_InstanceIndex)].bounds;
-        p.radii = _69.primitives[int(gl_InstanceIndex)].radii;
-        p.half_size = _69.primitives[int(gl_InstanceIndex)].half_size;
-        p.half_feather = _69.primitives[int(gl_InstanceIndex)].half_feather;
+        p.radii_ppx = _69.primitives[int(gl_InstanceIndex)].radii_ppx;
+        p.half_size_ppx = _69.primitives[int(gl_InstanceIndex)].half_size_ppx;
+        p.half_feather_ppx = _69.primitives[int(gl_InstanceIndex)].half_feather_ppx;
         p.color = _69.primitives[int(gl_InstanceIndex)].color;
         float2 corner = _97[int(gl_VertexIndex)];
         float2 world_pos = mix(p.bounds.xy, p.bounds.zw, corner);
         float2 center = (p.bounds.xy + p.bounds.zw) * 0.5;
         out.p_local = (world_pos - center) * _13.dpi_scale;
         out.f_color = unpack_unorm4x8_to_float(p.color);
-        out.f_half_size = p.half_size;
-        out.f_radii = p.radii;
-        out.f_half_feather = p.half_feather;
+        out.f_half_size_ppx = p.half_size_ppx;
+        out.f_radii_ppx = p.radii_ppx;
+        out.f_half_feather_ppx = p.half_feather_ppx;
         out.gl_Position = _13.projection * float4(world_pos * _13.dpi_scale, 0.0, 1.0);
     }
     return out;