wgsl: Replace [[decoration]] with @decoration

Deprecate the old syntax. Migrate everything to the new syntax.

Bug: tint:1382
Change-Id: Ide12b2e927b17dc93b9714c7049090864cc568d3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/77260
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>

test/intrinsics/gen/textureSampleGrad/21402b.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_3d<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_3d<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_3d<f32>, sampler: sampler, coords: vec3<f32>, ddx: vec3<f32>, ddy: vec3<f32>) -> vec4<f32>
 fn textureSampleGrad_21402b() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_21402b();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_21402b();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_21402b();
 }

test/intrinsics/gen/textureSampleGrad/21402b.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_3d<f32>;
+@group(1) @binding(0) var arg_0 : texture_3d<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_21402b() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_21402b();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_21402b();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_21402b();
 }

test/intrinsics/gen/textureSampleGrad/2ecd8f.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_2d_array<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_2d_array<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_2d_array<f32>, sampler: sampler, coords: vec2<f32>, array_index: i32, ddx: vec2<f32>, ddy: vec2<f32>) -> vec4<f32>
 fn textureSampleGrad_2ecd8f() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), 1, vec2<f32>(), vec2<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_2ecd8f();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_2ecd8f();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_2ecd8f();
 }

test/intrinsics/gen/textureSampleGrad/2ecd8f.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_2d_array<f32>;
+@group(1) @binding(0) var arg_0 : texture_2d_array<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_2ecd8f() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), 1, vec2<f32>(), vec2<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_2ecd8f();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_2ecd8f();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_2ecd8f();
 }

test/intrinsics/gen/textureSampleGrad/468f88.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_2d<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_2d<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_2d<f32>, sampler: sampler, coords: vec2<f32>, ddx: vec2<f32>, ddy: vec2<f32>, offset: vec2<i32>) -> vec4<f32>
 fn textureSampleGrad_468f88() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), vec2<f32>(), vec2<f32>(), vec2<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_468f88();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_468f88();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_468f88();
 }

test/intrinsics/gen/textureSampleGrad/468f88.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_2d<f32>;
+@group(1) @binding(0) var arg_0 : texture_2d<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_468f88() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), vec2<f32>(), vec2<f32>(), vec2<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_468f88();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_468f88();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_468f88();
 }

test/intrinsics/gen/textureSampleGrad/521263.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_2d<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_2d<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_2d<f32>, sampler: sampler, coords: vec2<f32>, ddx: vec2<f32>, ddy: vec2<f32>) -> vec4<f32>
 fn textureSampleGrad_521263() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), vec2<f32>(), vec2<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_521263();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_521263();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_521263();
 }

test/intrinsics/gen/textureSampleGrad/521263.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_2d<f32>;
+@group(1) @binding(0) var arg_0 : texture_2d<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_521263() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), vec2<f32>(), vec2<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_521263();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_521263();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_521263();
 }

test/intrinsics/gen/textureSampleGrad/5312f4.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_cube<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_cube<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_cube<f32>, sampler: sampler, coords: vec3<f32>, ddx: vec3<f32>, ddy: vec3<f32>) -> vec4<f32>
 fn textureSampleGrad_5312f4() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_5312f4();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_5312f4();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_5312f4();
 }

test/intrinsics/gen/textureSampleGrad/5312f4.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_cube<f32>;
+@group(1) @binding(0) var arg_0 : texture_cube<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_5312f4() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_5312f4();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_5312f4();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_5312f4();
 }

test/intrinsics/gen/textureSampleGrad/872f00.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_2d_array<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_2d_array<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_2d_array<f32>, sampler: sampler, coords: vec2<f32>, array_index: i32, ddx: vec2<f32>, ddy: vec2<f32>, offset: vec2<i32>) -> vec4<f32>
 fn textureSampleGrad_872f00() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), 1, vec2<f32>(), vec2<f32>(), vec2<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_872f00();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_872f00();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_872f00();
 }

test/intrinsics/gen/textureSampleGrad/872f00.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_2d_array<f32>;
+@group(1) @binding(0) var arg_0 : texture_2d_array<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_872f00() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec2<f32>(), 1, vec2<f32>(), vec2<f32>(), vec2<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_872f00();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_872f00();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_872f00();
 }

test/intrinsics/gen/textureSampleGrad/e383db.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_cube_array<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_cube_array<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_cube_array<f32>, sampler: sampler, coords: vec3<f32>, array_index: i32, ddx: vec3<f32>, ddy: vec3<f32>) -> vec4<f32>
 fn textureSampleGrad_e383db() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), 1, vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_e383db();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_e383db();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_e383db();
 }

test/intrinsics/gen/textureSampleGrad/e383db.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_cube_array<f32>;
+@group(1) @binding(0) var arg_0 : texture_cube_array<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_e383db() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), 1, vec3<f32>(), vec3<f32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_e383db();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_e383db();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_e383db();
 }

test/intrinsics/gen/textureSampleGrad/e9a2f7.wgsl

@@ -22,26 +22,26 @@
 // Do not modify this file directly
 ////////////////////////////////////////////////////////////////////////////////
 
-[[group(1), binding(0)]] var arg_0: texture_3d<f32>;
-[[group(1), binding(1)]] var arg_1: sampler;
+@group(1) @binding(0) var arg_0: texture_3d<f32>;
+@group(1) @binding(1) var arg_1: sampler;
 
 // fn textureSampleGrad(texture: texture_3d<f32>, sampler: sampler, coords: vec3<f32>, ddx: vec3<f32>, ddy: vec3<f32>, offset: vec3<i32>) -> vec4<f32>
 fn textureSampleGrad_e9a2f7() {
   var res: vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>(), vec3<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_e9a2f7();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_e9a2f7();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_e9a2f7();
 }

test/intrinsics/gen/textureSampleGrad/e9a2f7.wgsl.expected.wgsl

@@ -1,23 +1,23 @@
-[[group(1), binding(0)]] var arg_0 : texture_3d<f32>;
+@group(1) @binding(0) var arg_0 : texture_3d<f32>;
 
-[[group(1), binding(1)]] var arg_1 : sampler;
+@group(1) @binding(1) var arg_1 : sampler;
 
 fn textureSampleGrad_e9a2f7() {
   var res : vec4<f32> = textureSampleGrad(arg_0, arg_1, vec3<f32>(), vec3<f32>(), vec3<f32>(), vec3<i32>());
 }
 
-[[stage(vertex)]]
-fn vertex_main() -> [[builtin(position)]] vec4<f32> {
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
   textureSampleGrad_e9a2f7();
   return vec4<f32>();
 }
 
-[[stage(fragment)]]
+@stage(fragment)
 fn fragment_main() {
   textureSampleGrad_e9a2f7();
 }
 
-[[stage(compute), workgroup_size(1)]]
+@stage(compute) @workgroup_size(1)
 fn compute_main() {
   textureSampleGrad_e9a2f7();
 }