1 files changed, 52 insertions, 0 deletions
diff --git a/tests/SkSLGLSLTest.cpp b/tests/SkSLGLSLTest.cpp
index a40b72c2e8..d815b8c439 100644
--- a/tests/SkSLGLSLTest.cpp
+++ b/tests/SkSLGLSLTest.cpp
@@ -1673,4 +1673,56 @@ DEF_TEST(SkSLForceHighPrecision, r) {
          &inputs);
 }
 
+DEF_TEST(SkSLNormalization, r) {
+    test(r,
+         "uniform float4 sk_RTAdjust; void main() { sk_Position = half4(1); }",
+         *SkSL::ShaderCapsFactory::Default(),
+         "#version 400\n"
+         "uniform vec4 sk_RTAdjust;\n"
+         "void main() {\n"
+         "    gl_Position = vec4(1.0);\n"
+         "    gl_Position = vec4(gl_Position.x * sk_RTAdjust.x + gl_Position.w * sk_RTAdjust.y, "
+                                "gl_Position.y * sk_RTAdjust.z + gl_Position.w * sk_RTAdjust.w, "
+                                "0, "
+                                "gl_Position.w);\n"
+         "}\n",
+         SkSL::Program::kVertex_Kind);
+    test(r,
+         "uniform float4 sk_RTAdjust;"
+         "layout(points) in;"
+         "layout(invocations = 2) in;"
+         "layout(line_strip, max_vertices = 2) out;"
+         "void main() {"
+         "sk_Position = sk_in[0].sk_Position + float4(-0.5, 0, 0, sk_InvocationID);"
+         "EmitVertex();"
+         "sk_Position = sk_in[0].sk_Position + float4(0.5, 0, 0, sk_InvocationID);"
+         "EmitVertex();"
+         "EndPrimitive();"
+         "}",
+         *SkSL::ShaderCapsFactory::Default(),
+         "#version 400\n"
+         "uniform vec4 sk_RTAdjust;\n"
+         "layout (points) in ;\n"
+         "layout (invocations = 2) in ;\n"
+         "layout (line_strip, max_vertices = 2) out ;\n"
+         "void main() {\n"
+         "    gl_Position = gl_in[0].gl_Position + vec4(-0.5, 0.0, 0.0, float(gl_InvocationID));\n"
+         "    {\n"
+         "        gl_Position = vec4(gl_Position.x * sk_RTAdjust.x + gl_Position.w * "
+                               "sk_RTAdjust.y, gl_Position.y * sk_RTAdjust.z + gl_Position.w * "
+                               "sk_RTAdjust.w, 0, gl_Position.w);\n"
+         "        EmitVertex();\n"
+         "    }\n"
+         "    gl_Position = gl_in[0].gl_Position + vec4(0.5, 0.0, 0.0, float(gl_InvocationID));\n"
+         "    {\n"
+         "        gl_Position = vec4(gl_Position.x * sk_RTAdjust.x + gl_Position.w * "
+                               "sk_RTAdjust.y, gl_Position.y * sk_RTAdjust.z + gl_Position.w * "
+                               "sk_RTAdjust.w, 0, gl_Position.w);\n"
+         "        EmitVertex();\n"
+         "    }\n"
+         "    EndPrimitive();\n"
+         "}\n",
+         SkSL::Program::kGeometry_Kind);
+}
+
 #endif