GLSL: only emit default precision qualifier for frag shader.

Other shader types don't need this.
Also fix code style of member var.

Bug: tint:1360
Change-Id: Ic3600ec7c6da9b85b57655fabbf1f2e44b0ea7d3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/79640
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>

src/writer/glsl/generator_impl.cc

@@ -181,7 +181,7 @@ bool GeneratorImpl::Generate() {
 
   TextBuffer extensions;
 
-  if (requires_oes_sample_variables) {
+  if (requires_oes_sample_variables_) {
     extensions.Append("#extension GL_OES_sample_variables : require");
   }
 
@@ -192,8 +192,10 @@ bool GeneratorImpl::Generate() {
     helpers_insertion_point += extensions.lines.size();
   }
 
-  current_buffer_->Insert("precision mediump float;", helpers_insertion_point++,
-                          indent);
+  if (requires_default_precision_qualifier_) {
+    current_buffer_->Insert("precision mediump float;",
+                            helpers_insertion_point++, indent);
+  }
 
   if (!helpers_.lines.empty()) {
     current_buffer_->Insert("", helpers_insertion_point++, indent);
@@ -1831,7 +1833,7 @@ bool GeneratorImpl::EmitIOVariable(const sem::Variable* var) {
   if (auto* b = ast::GetAttribute<ast::BuiltinAttribute>(decl->attributes)) {
     // Use of gl_SampleID requires the GL_OES_sample_variables extension
     if (RequiresOESSampleVariables(b->builtin)) {
-      requires_oes_sample_variables = true;
+      requires_oes_sample_variables_ = true;
     }
     // Do not emit builtin (gl_) variables.
     return true;
@@ -1906,6 +1908,10 @@ bool GeneratorImpl::EmitAttributes(std::ostream& out,
 bool GeneratorImpl::EmitEntryPointFunction(const ast::Function* func) {
   auto* func_sem = builder_.Sem().Get(func);
 
+  if (func->PipelineStage() == ast::PipelineStage::kFragment) {
+    requires_default_precision_qualifier_ = true;
+  }
+
   if (func->PipelineStage() == ast::PipelineStage::kCompute) {
     auto out = line();
     // Emit the layout(local_size) attributes.

src/writer/glsl/generator_impl.h

@@ -473,7 +473,8 @@ class GeneratorImpl : public TextGenerator {
   std::unordered_map<const sem::Struct*, std::string> structure_builders_;
   std::unordered_map<const sem::Vector*, std::string> dynamic_vector_write_;
   std::unordered_map<const sem::Vector*, std::string> int_dot_funcs_;
-  bool requires_oes_sample_variables = false;
+  bool requires_oes_sample_variables_ = false;
+  bool requires_default_precision_qualifier_ = false;
 };
 
 }  // namespace glsl

src/writer/glsl/generator_impl_builtin_test.cc

@@ -385,7 +385,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, Degrees_Scalar) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 float tint_degrees(float param_0) {
   return param_0 * 57.295779513082322865;
@@ -414,7 +413,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, Degrees_Vector) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 vec3 tint_degrees(vec3 param_0) {
   return param_0 * 57.295779513082322865;
@@ -443,7 +441,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, Radians_Scalar) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 float tint_radians(float param_0) {
   return param_0 * 0.017453292519943295474;
@@ -472,7 +469,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, Radians_Vector) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 vec3 tint_radians(vec3 param_0) {
   return param_0 * 0.017453292519943295474;
@@ -659,7 +655,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, StorageBarrier) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void main() {
@@ -681,7 +676,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, WorkgroupBarrier) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void main() {
@@ -699,7 +693,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, DotI32) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 int tint_int_dot(ivec3 a, ivec3 b) {
   return a[0]*b[0] + a[1]*b[1] + a[2]*b[2];
@@ -726,7 +719,6 @@ TEST_F(GlslGeneratorImplTest_Builtin, DotU32) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 uint tint_int_dot(uvec3 a, uvec3 b) {
   return a[0]*b[0] + a[1]*b[1] + a[2]*b[2];

src/writer/glsl/generator_impl_function_test.cc

@@ -40,7 +40,6 @@ TEST_F(GlslGeneratorImplTest_Function, Emit_Function) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(  #version 310 es
-  precision mediump float;
 
   void my_func() {
     return;
@@ -78,7 +77,6 @@ TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithParams) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(  #version 310 es
-  precision mediump float;
 
   void my_func(float a, int b) {
     return;
@@ -786,7 +784,6 @@ TEST_F(GlslGeneratorImplTest_Function, Emit_Attribute_EntryPoint_Compute) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void main() {
@@ -807,7 +804,6 @@ TEST_F(GlslGeneratorImplTest_Function,
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 layout(local_size_x = 2, local_size_y = 4, local_size_z = 6) in;
 void main() {
@@ -831,7 +827,6 @@ TEST_F(GlslGeneratorImplTest_Function,
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 const int width = int(2);
 const int height = int(3);
@@ -858,7 +853,6 @@ TEST_F(GlslGeneratorImplTest_Function,
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 #ifndef WGSL_SPEC_CONSTANT_7
 #define WGSL_SPEC_CONSTANT_7 int(2)
@@ -889,7 +883,6 @@ TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithArrayParams) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 void my_func(float a[5]) {
   return;
@@ -908,7 +901,6 @@ TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithArrayReturn) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 float[5] my_func() {
   return float[5](0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
@@ -974,7 +966,6 @@ TEST_F(GlslGeneratorImplTest_Function,
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 struct Data {
   float d;

src/writer/glsl/generator_impl_member_accessor_test.cc

@@ -133,7 +133,6 @@ TEST_F(GlslGeneratorImplTest_MemberAccessor, EmitExpression_MemberAccessor) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 struct Data {
   float mem;

src/writer/glsl/generator_impl_test.cc

@@ -29,7 +29,6 @@ TEST_F(GlslGeneratorImplTest, Generate) {
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
   EXPECT_EQ(gen.result(), R"(#version 310 es
-precision mediump float;
 
 void my_func() {
 }

test/access/let/matrix.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void main_1() {
   float x_24 = mat3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f), vec3(7.0f, 8.0f, 9.0f))[1u].y;

test/access/let/matrix.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   mat3 m = mat3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f), vec3(7.0f, 8.0f, 9.0f));

test/access/let/vector.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void main_1() {
   float x_11 = vec3(1.0f, 2.0f, 3.0f).y;

test/access/let/vector.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec3 v = vec3(1.0f, 2.0f, 3.0f);

test/access/var/matrix.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void main_1() {
   mat3 m = mat3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);

test/access/var/matrix.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   mat3 m = mat3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);

test/access/var/vector.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void main_1() {
   vec3 v = vec3(0.0f, 0.0f, 0.0f);

test/access/var/vector.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec3 v = vec3(0.0f, 0.0f, 0.0f);

test/array/assign_to_function_var.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/array/assign_to_private_var.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/array/assign_to_storage_var.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/array/assign_to_subexpr.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/array/assign_to_workgroup_var.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/array/function_parameter.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 float f1(float a[4]) {
   return a[3];

test/array/function_return_type.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 float[4] f1() {
   float tint_symbol_1[4] = float[4](0.0f, 0.0f, 0.0f, 0.0f);

test/array/strides.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct strided_arr {
   float el;

test/array/type_constructor.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   int x = 42;

test/benchmark/animometer.wgsl.expected.glsl

@@ -1,7 +1,6 @@
 SKIP: FAILED
 
 #version 310 es
-precision mediump float;
 
 layout(location = 0) in vec4 position_1;
 layout(location = 1) in vec4 color_1;
@@ -64,8 +63,8 @@ void main() {
   return;
 }
 Error parsing GLSL shader:
-ERROR: 0:37: '%' :  wrong operand types: no operation '%' exists that takes a left-hand operand of type ' temp mediump float' and a right operand of type ' const float' (or there is no acceptable conversion)
-ERROR: 0:37: '' : compilation terminated 
+ERROR: 0:36: '%' :  wrong operand types: no operation '%' exists that takes a left-hand operand of type ' temp highp float' and a right operand of type ' const float' (or there is no acceptable conversion)
+ERROR: 0:36: '' : compilation terminated 
 ERROR: 2 compilation errors.  No code generated.
 
 

test/benchmark/particles.wgsl.expected.glsl

@@ -1,7 +1,6 @@
 SKIP: FAILED
 
 #version 310 es
-precision mediump float;
 
 layout(location = 0) in vec3 position_1;
 layout(location = 1) in vec4 color_1;
@@ -121,7 +120,6 @@ void main() {
   return;
 }
 #version 310 es
-precision mediump float;
 
 vec2 rand_seed = vec2(0.0f, 0.0f);
 float rand() {
@@ -210,14 +208,13 @@ void main() {
   return;
 }
 Error parsing GLSL shader:
-ERROR: 0:6: 'frac' : no matching overloaded function found 
-ERROR: 0:6: '' : compilation terminated 
+ERROR: 0:5: 'frac' : no matching overloaded function found 
+ERROR: 0:5: '' : compilation terminated 
 ERROR: 2 compilation errors.  No code generated.
 
 
 
 #version 310 es
-precision mediump float;
 
 struct RenderParams {
   mat4 modelViewProjectionMatrix;
@@ -275,7 +272,6 @@ void main() {
   return;
 }
 #version 310 es
-precision mediump float;
 
 struct RenderParams {
   mat4 modelViewProjectionMatrix;

test/buffer/storage/dynamic_index/read.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   ivec3 a;

test/buffer/storage/dynamic_index/write.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   ivec3 a;

test/buffer/storage/static_index/read.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   int x;

test/buffer/storage/static_index/write.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   int x;

test/buffer/storage/types/array.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   float inner[4];

test/buffer/storage/types/f32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   float inner;

test/buffer/storage/types/i32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   int inner;

test/buffer/storage/types/mat2x2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   mat2 inner;

test/buffer/storage/types/mat2x3.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   mat2x3 inner;

test/buffer/storage/types/mat3x2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   mat3x2 inner;

test/buffer/storage/types/mat4x4.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   mat4 inner;

test/buffer/storage/types/runtime_array.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct S {
   float f;

test/buffer/storage/types/struct.wgsl.expected.glsl

@@ -1,7 +1,6 @@
 SKIP: FAILED
 
 #version 310 es
-precision mediump float;
 
 struct Inner {
   float f;
@@ -27,8 +26,8 @@ void main() {
   return;
 }
 Error parsing GLSL shader:
-ERROR: 0:19: 'assign' :  cannot convert from 'layout( binding=0 column_major std430) buffer block{layout( column_major std430 offset=0) buffer structure{ global mediump float f} inner}' to 'layout( binding=1 column_major std430) buffer block{layout( column_major std430 offset=0) buffer structure{ global mediump float f} inner}'
-ERROR: 0:19: '' : compilation terminated 
+ERROR: 0:18: 'assign' :  cannot convert from 'layout( binding=0 column_major std430) buffer block{layout( column_major std430 offset=0) buffer structure{ global highp float f} inner}' to 'layout( binding=1 column_major std430) buffer block{layout( column_major std430 offset=0) buffer structure{ global highp float f} inner}'
+ERROR: 0:18: '' : compilation terminated 
 ERROR: 2 compilation errors.  No code generated.
 
 

test/buffer/storage/types/u32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   uint inner;

test/buffer/storage/types/vec2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   ivec2 inner;

test/buffer/storage/types/vec3.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   uvec3 inner;

test/buffer/storage/types/vec4.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct tint_symbol_block {
   vec4 inner;

test/buffer/uniform/dynamic_index/read.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   ivec3 a;

test/buffer/uniform/static_index/read.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Inner {
   int x;

test/buffer/uniform/types/array.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   vec4 inner[4];

test/buffer/uniform/types/f32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   float inner;

test/buffer/uniform/types/i32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   int inner;

test/buffer/uniform/types/mat2x2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   mat2 inner;

test/buffer/uniform/types/mat2x3.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   mat2x3 inner;

test/buffer/uniform/types/mat3x2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   mat3x2 inner;

test/buffer/uniform/types/mat4x4.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   mat4 inner;

test/buffer/uniform/types/struct.wgsl.expected.glsl

@@ -1,7 +1,6 @@
 SKIP: FAILED
 
 #version 310 es
-precision mediump float;
 
 struct Inner {
   float f;
@@ -25,8 +24,8 @@ void main() {
   return;
 }
 Error parsing GLSL shader:
-ERROR: 0:17: '=' :  cannot convert from 'layout( binding=0 column_major shared) uniform block{layout( column_major shared) uniform structure{ global mediump float f} inner}' to ' temp structure{ global structure{ global mediump float f} inner}'
-ERROR: 0:17: '' : compilation terminated 
+ERROR: 0:16: '=' :  cannot convert from 'layout( binding=0 column_major shared) uniform block{layout( column_major shared) uniform structure{ global highp float f} inner}' to ' temp structure{ global structure{ global highp float f} inner}'
+ERROR: 0:16: '' : compilation terminated 
 ERROR: 2 compilation errors.  No code generated.
 
 

test/buffer/uniform/types/u32.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   uint inner;

test/buffer/uniform/types/vec2.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   ivec2 inner;

test/buffer/uniform/types/vec3.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   uvec3 inner;

test/buffer/uniform/types/vec4.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct u_block {
   vec4 inner;

test/bug/chromium/1221120.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/bug/chromium/1236161.wgsl.expected.glsl

@@ -1,7 +1,6 @@
 SKIP: FAILED
 
 #version 310 es
-precision mediump float;
 
 struct modf_result {
   float fract;
@@ -25,8 +24,8 @@ void i() {
 }
 
 Error parsing GLSL shader:
-ERROR: 0:12: '{ } style initializers' : not supported with this profile: es
-ERROR: 0:12: '' : compilation terminated 
+ERROR: 0:11: '{ } style initializers' : not supported with this profile: es
+ERROR: 0:11: '' : compilation terminated 
 ERROR: 2 compilation errors.  No code generated.
 
 

test/bug/chromium/1251009.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(location = 0) in int loc0_1;
 layout(location = 1) in uint loc1_1;

test/bug/chromium/1273230.wgsl.expected.glsl

@@ -19,7 +19,6 @@ bug/chromium/1273230.wgsl:12:9 warning: use of deprecated builtin
         ^^^^^^^^
 
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint numTriangles;

test/bug/chromium/1273451.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/bug/chromium/1290107.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct S {
   float f;

test/bug/dawn/947.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(location = 0) out vec2 texcoords_1;
 struct Uniforms {

test/bug/fxc/dyn_array_idx/read/function.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/read/private.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/read/storage.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/read/uniform.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   ivec4 data[4];

test/bug/fxc/dyn_array_idx/read/workgroup.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/function.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/function_via_param.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/private.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/private_via_param.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/storage.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/dyn_array_idx/write/workgroup.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct UBO {
   int dynamic_idx;

test/bug/fxc/indexed_assign_to_array_in_struct/1206.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Simulation {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/local_assign_scalar_x.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/local_assign_scalar_xy.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/local_assign_scalar_y.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/local_assign_vector.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/module_assign_scalar_x.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/module_assign_scalar_xy.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/module_assign_scalar_y.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/matrix_assignment_dynamic_index/module_assign_vector.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint i;

test/bug/fxc/vector_assignment_in_loop/loop_call_with_loop.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 vec2 v2f = vec2(0.0f, 0.0f);
 ivec3 v3i = ivec3(0, 0, 0);

test/bug/fxc/vector_assignment_in_loop/loop_call_with_no_loop.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 vec2 v2f = vec2(0.0f, 0.0f);
 ivec3 v3i = ivec3(0, 0, 0);

test/bug/fxc/vector_assignment_in_loop/loop_types_all.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec2 v2f = vec2(0.0f, 0.0f);

test/bug/fxc/vector_assignment_in_loop/loop_types_repeated.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec2 v2f = vec2(0.0f, 0.0f);

test/bug/fxc/vector_assignment_in_loop/loop_types_some.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec2 v2f = vec2(0.0f, 0.0f);

test/bug/fxc/vector_assignment_in_loop/no_loop.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void tint_symbol() {
   vec2 v2f = vec2(0.0f, 0.0f);

test/bug/tint/1083.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 void f() {
   int c = (1 / 0);

test/bug/tint/1088.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(location = 0) in vec3 position_param_1;
 layout(location = 2) in vec2 uv_param_1;

test/bug/tint/1113.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint numTriangles;
@@ -121,7 +120,6 @@ void main() {
   return;
 }
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint numTriangles;
@@ -212,7 +210,6 @@ void main() {
   return;
 }
 #version 310 es
-precision mediump float;
 
 struct Uniforms {
   uint numTriangles;

test/bug/tint/1121.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct LightData {
   vec4 position;

test/bug/tint/1136.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/bug/tint/1385.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(binding = 1, std430) buffer data_block_1 {
   int inner[];

test/bug/tint/219.spvasm.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 float x_200(inout vec2 x_201) {
   float x_212 = x_201.x;

test/bug/tint/221.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 struct Buf {
   uint count;

test/bug/tint/292.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 vec4 tint_symbol() {
   vec3 light = vec3(1.200000048f, 1.0f, 2.0f);

test/bug/tint/294.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {

test/bug/tint/369.wgsl.expected.glsl

@@ -1,5 +1,4 @@
 #version 310 es
-precision mediump float;
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void unused_entry_point() {