diff --git a/src/tint/lang/wgsl/inspector/entry_point.h b/src/tint/lang/wgsl/inspector/entry_point.h
index 3709ade..3946e63 100644
--- a/src/tint/lang/wgsl/inspector/entry_point.h
+++ b/src/tint/lang/wgsl/inspector/entry_point.h
@@ -92,6 +92,8 @@
         std::optional<uint32_t> location;
         /// Value of the color attribute, if set.
         std::optional<uint32_t> color;
+        /// Value of the blend_src attribute, if set.
+        std::optional<uint32_t> blend_src;
     } attributes;
     /// Scalar type that the variable is composed of.
     ComponentType component_type = ComponentType::kUnknown;
diff --git a/src/tint/lang/wgsl/inspector/inspector.cc b/src/tint/lang/wgsl/inspector/inspector.cc
index d98ada7..9857271 100644
--- a/src/tint/lang/wgsl/inspector/inspector.cc
+++ b/src/tint/lang/wgsl/inspector/inspector.cc
@@ -49,6 +49,7 @@
 #include "src/tint/lang/core/type/u32.h"
 #include "src/tint/lang/core/type/vector.h"
 #include "src/tint/lang/core/type/void.h"
+#include "src/tint/lang/wgsl/ast/blend_src_attribute.h"
 #include "src/tint/lang/wgsl/ast/bool_literal_expression.h"
 #include "src/tint/lang/wgsl/ast/call_expression.h"
 #include "src/tint/lang/wgsl/ast/float_literal_expression.h"
@@ -613,6 +614,12 @@
     std::tie(stage_variable.component_type, stage_variable.composition_type) =
         CalculateComponentAndComposition(type);
 
+    if (auto* blend_src_attribute = ast::GetAttribute<ast::BlendSrcAttribute>(attributes)) {
+        TINT_ASSERT(blend_src_attribute->expr->Is<ast::IntLiteralExpression>());
+        stage_variable.attributes.blend_src = static_cast<uint32_t>(
+            blend_src_attribute->expr->As<ast::IntLiteralExpression>()->value);
+    }
+
     stage_variable.attributes.location = location;
     stage_variable.attributes.color = color;
 
diff --git a/src/tint/lang/wgsl/inspector/inspector_test.cc b/src/tint/lang/wgsl/inspector/inspector_test.cc
index 7468ccc..1a7c557 100644
--- a/src/tint/lang/wgsl/inspector/inspector_test.cc
+++ b/src/tint/lang/wgsl/inspector/inspector_test.cc
@@ -143,6 +143,8 @@
 
 class InspectorGetEnableDirectivesTest : public InspectorRunner, public testing::Test {};
 
+class InspectorGetBlendSrcTest : public InspectorBuilder, public testing::Test {};
+
 // This is a catch all for shaders that have demonstrated regressions/crashes in
 // the wild.
 class InspectorRegressionTest : public InspectorRunner, public testing::Test {};
@@ -4046,6 +4048,34 @@
     }
 }
 
+TEST_F(InspectorGetBlendSrcTest, Basic) {
+    Enable(wgsl::Extension::kChromiumInternalDualSourceBlending);
+
+    Structure("out_struct",
+              Vector{
+                  Member("output_color", ty.vec4<f32>(), Vector{Location(0_u), BlendSrc(0_u)}),
+                  Member("output_blend", ty.vec4<f32>(), Vector{Location(0_u), BlendSrc(1_u)}),
+              });
+
+    Func("ep_func", tint::Empty, ty("out_struct"),
+         Vector{
+             Decl(Var("out_var", ty("out_struct"))),
+             Return("out_var"),
+         },
+         Vector{
+             Stage(ast::PipelineStage::kFragment),
+         });
+
+    Inspector& inspector = Build();
+
+    auto result = inspector.GetEntryPoints();
+
+    ASSERT_EQ(1u, result.size());
+    ASSERT_EQ(2u, result[0].output_variables.size());
+    EXPECT_EQ(0u, result[0].output_variables[0].attributes.blend_src);
+    EXPECT_EQ(1u, result[0].output_variables[1].attributes.blend_src);
+}
+
 }  // namespace
 
 static std::ostream& operator<<(std::ostream& out, const Inspector::TextureQueryType& ty) {