webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 120 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/tests/compiler_tests/Pack_Unpack_test.cpp b/Source/ThirdParty/ANGLE/src/tests/compiler_tests/Pack_Unpack_test.cpp
new file mode 100644
index 000000000..85673d5f7
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+++ b/Source/ThirdParty/ANGLE/src/tests/compiler_tests/Pack_Unpack_test.cpp
@@ -0,0 +1,120 @@
+//
+// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Pack_Unpack_test.cpp:
+//   Tests for the emulating pack_unpack functions for GLSL.
+//
+
+#include "angle_gl.h"
+#include "gtest/gtest.h"
+#include "GLSLANG/ShaderLang.h"
+#include "tests/test_utils/compiler_test.h"
+
+namespace
+{
+
+class PackUnpackTest : public MatchOutputCodeTest
+{
+  public:
+    PackUnpackTest() : MatchOutputCodeTest(GL_FRAGMENT_SHADER, 0, SH_GLSL_400_CORE_OUTPUT) {}
+};
+
+// Check if PackSnorm2x16 Emulation for GLSL < 4.2 compile correctly.
+TEST_F(PackUnpackTest, PackSnorm2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   vec2 v;\n"
+        "   uint u = packSnorm2x16(v);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("uint webgl_packSnorm2x16_emu(vec2 v)"));
+}
+
+// Check if UnpackSnorm2x16 Emulation for GLSL < 4.2 compile correctly.
+TEST_F(PackUnpackTest, UnpackSnorm2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   uint u;\n"
+        "   vec2 v=unpackSnorm2x16(u);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("vec2 webgl_unpackSnorm2x16_emu(uint u)"));
+}
+
+// Check if PackUnorm2x16 Emulation for GLSL < 4.1 compiles correctly.
+TEST_F(PackUnpackTest, PackUnorm2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   vec2 v;\n"
+        "   uint u = packUnorm2x16(v);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("uint webgl_packUnorm2x16_emu(vec2 v)"));
+}
+
+// Check if UnpackSnorm2x16 Emulation for GLSL < 4.1 compiles correctly.
+TEST_F(PackUnpackTest, UnpackUnorm2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   uint u;\n"
+        "   vec2 v=unpackUnorm2x16(u);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("vec2 webgl_unpackUnorm2x16_emu(uint u)"));
+}
+
+// Check if PackHalf2x16 Emulation for GLSL < 4.2 compiles correctly.
+TEST_F(PackUnpackTest, PackHalf2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   vec2 v;\n"
+        "   uint u=packHalf2x16(v);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("uint webgl_packHalf2x16_emu(vec2 v)"));
+}
+
+// Check if UnpackHalf2x16 Emulation for GLSL < 4.2 compiles correctly.
+TEST_F(PackUnpackTest, UnpackHalf2x16Emulation)
+{
+    const std::string &shaderString =
+        "#version 300 es\n"
+        "precision mediump float;\n"
+        "layout(location = 0) out mediump vec4 fragColor;"
+        "void main() {\n"
+        "   uint u;\n"
+        "   vec2 v=unpackHalf2x16(u);\n"
+        "   fragColor = vec4(0.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("vec2 webgl_unpackHalf2x16_emu(uint u)"));
+}
+
+} // namespace