sksl support for static ifs & switches

Bug: skia:
Change-Id: Ic9e01a3a18efddb19bab26e92bfb473cad294fc1
Reviewed-on: https://skia-review.googlesource.com/16144
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/SkSLSPIRVTest.cpp b/tests/SkSLSPIRVTest.cpp
new file mode 100644
index 0000000000..4d5457f339
--- /dev/null
+++ b/tests/SkSLSPIRVTest.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSLCompiler.h"
+
+#include "Test.h"
+
+#if SK_SUPPORT_GPU
+
+static void test_failure(skiatest::Reporter* r, const char* src, const char* error) {
+    SkSL::Compiler compiler;
+    SkSL::Program::Settings settings;
+    sk_sp<GrShaderCaps> caps = SkSL::ShaderCapsFactory::Default();
+    settings.fCaps = caps.get();
+    std::unique_ptr<SkSL::Program> program = compiler.convertProgram(SkSL::Program::kFragment_Kind,
+                                                                     SkString(src), settings);
+    if (program) {
+        SkSL::String ignored;
+        compiler.toSPIRV(*program, &ignored);
+    }
+    SkSL::String skError(error);
+    if (compiler.errorText() != skError) {
+        SkDebugf("SKSL ERROR:\n    source: %s\n    expected: %s    received: %s", src, error,
+                 compiler.errorText().c_str());
+    }
+    REPORTER_ASSERT(r, compiler.errorText() == skError);
+}
+
+DEF_TEST(SkSLBadOffset, r) {
+    test_failure(r,
+                 "struct Bad { layout (offset = 5) int x; } bad; void main() { bad.x = 5; }",
+                 "error: 1: offset of field 'x' must be a multiple of 4\n1 error\n");
+    test_failure(r,
+                 "struct Bad { int x; layout (offset = 0) int y; } bad; void main() { bad.x = 5; }",
+                 "error: 1: offset of field 'y' must be at least 4\n1 error\n");
+}
+
+#endif