diff --git a/src/tint/lang/glsl/writer/constant_test.cc b/src/tint/lang/glsl/writer/constant_test.cc
index a93d1a9..99739f8 100644
--- a/src/tint/lang/glsl/writer/constant_test.cc
+++ b/src/tint/lang/glsl/writer/constant_test.cc
@@ -43,7 +43,7 @@
   return false;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -58,7 +58,7 @@
   return true;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -73,7 +73,7 @@
   return -12345;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -88,7 +88,7 @@
   return (-2147483647 - 1);
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -103,7 +103,7 @@
   return 56779u;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -119,7 +119,7 @@
   return 1073741824.0f;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
@@ -136,7 +136,7 @@
   return 32752.0hf;
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
diff --git a/src/tint/lang/glsl/writer/function_test.cc b/src/tint/lang/glsl/writer/function_test.cc
index 8b005f9..91a5564 100644
--- a/src/tint/lang/glsl/writer/function_test.cc
+++ b/src/tint/lang/glsl/writer/function_test.cc
@@ -53,7 +53,7 @@
 void my_func(float a, int b) {
 }
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void unused_entry_point() {
+void main() {
 }
 )");
 }
diff --git a/src/tint/lang/glsl/writer/printer/printer.cc b/src/tint/lang/glsl/writer/printer/printer.cc
index ec54a22..855db24 100644
--- a/src/tint/lang/glsl/writer/printer/printer.cc
+++ b/src/tint/lang/glsl/writer/printer/printer.cc
@@ -185,7 +185,18 @@
             // TODO(dsinclair): Handle return type attributes
 
             EmitType(out, func->ReturnType());
-            out << " " << ir_.NameOf(func).Name() << "(";
+            out << " ";
+
+            // Switch the entry point name to `main`. This makes the assumption that single entry
+            // point is always run for GLSL, which is has to be, there can be only one entry point.
+            // So, we swap the entry point name to `main` which is required for GLSL.
+            if (func->Stage() != core::ir::Function::PipelineStage::kUndefined) {
+                out << "main";
+            } else {
+                out << ir_.NameOf(func).Name();
+            }
+
+            out << "(";
 
             size_t i = 0;
             for (auto* param : func->Params()) {
diff --git a/src/tint/lang/glsl/writer/type_test.cc b/src/tint/lang/glsl/writer/type_test.cc
index e717b37..b90b222 100644
--- a/src/tint/lang/glsl/writer/type_test.cc
+++ b/src/tint/lang/glsl/writer/type_test.cc
@@ -55,7 +55,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   bool a[4] = bool[4](false, false, false, false);
 }
 )");
@@ -72,7 +72,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   bool a[5][4] = bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false));
 }
 )");
@@ -90,7 +90,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   bool a[6][5][4] = bool[6][5][4](bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)), bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)), bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)), bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)), bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)), bool[5][4](bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false), bool[4](false, false, false, false)));
 }
 )");
@@ -107,7 +107,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   bool a = false;
 }
 )");
@@ -124,7 +124,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   float a = 0.0f;
 }
 )");
@@ -142,7 +142,7 @@
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(#extension GL_AMD_gpu_shader_half_float: require
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   float16_t a = 0.0hf;
 }
 )");
@@ -159,7 +159,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   int a = 0;
 }
 )");
@@ -176,7 +176,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   mat2x3 a = mat2x3(vec3(0.0f), vec3(0.0f));
 }
 )");
@@ -193,7 +193,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   mat2 a = mat2(vec2(0.0f), vec2(0.0f));
 }
 )");
@@ -211,7 +211,7 @@
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(#extension GL_AMD_gpu_shader_half_float: require
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   f16mat2x3 a = f16mat2x3(f16vec3(0.0hf), f16vec3(0.0hf));
 }
 )");
@@ -228,7 +228,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   uint a = 0u;
 }
 )");
@@ -245,7 +245,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo(inout uint a) {
+void main(inout uint a) {
 }
 )");
 }
@@ -261,7 +261,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo(inout int a) {
+void main(inout int a) {
 }
 )");
 }
@@ -277,7 +277,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   vec3 a = vec3(0.0f);
 }
 )");
@@ -295,7 +295,7 @@
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(#extension GL_AMD_gpu_shader_half_float: require
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   f16vec3 a = f16vec3(0.0hf);
 }
 )");
@@ -312,7 +312,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   ivec2 a = ivec2(0);
 }
 )");
@@ -329,7 +329,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   uvec4 a = uvec4(0u);
 }
 )");
@@ -346,7 +346,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   bvec3 a = bvec3(false);
 }
 )");
@@ -361,7 +361,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
 }
 )");
 }
@@ -386,7 +386,7 @@
 };
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   S a = S(0, 0.0f);
 }
 )");
@@ -413,7 +413,7 @@
 };
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   S a = S(0, 0.0f);
   S b = S(0, 0.0f);
 }
@@ -451,7 +451,7 @@
 };
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
   S a = S(0, Inner(0u, vec4(0.0f)));
 }
 )");
@@ -468,7 +468,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
 }
 )");
 }
@@ -484,7 +484,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo() {
+void main() {
 }
 )");
 }
@@ -514,7 +514,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, GlslHeader() + R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo()" + params.result +
+void main()" + params.result +
                                 R"( a) {
 }
 )");
@@ -540,7 +540,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo(sampler2DMS a) {
+void main(sampler2DMS a) {
 }
 )");
 }
@@ -590,7 +590,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo()" + params.result +
+void main()" + params.result +
                                 R"( a) {
 }
 )");
@@ -638,7 +638,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo(usampler2DMS a) {
+void main(usampler2DMS a) {
 }
 )");
 }
@@ -669,7 +669,7 @@
     ASSERT_TRUE(Generate()) << err_ << output_.glsl;
     EXPECT_EQ(output_.glsl, R"(
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-void foo()" + params.result +
+void main()" + params.result +
                                 R"( a) {
 }
 )");