Added Vulkan Shader Modules with GLSL->SPIR-V translation.

gpu/vulkan/tests/shader_module_unittest.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "gpu/vulkan/tests/basic_vulkan_test.h"
+#include "gpu/vulkan/vulkan_shader_module.h"
+
+// This file tests basic shader module functionality.
+
+namespace gpu {
+
+class ShaderModuleTest : public BasicVulkanTest {};
+
+TEST_F(ShaderModuleTest, BasicGLSLVertexShader) {
+  const VulkanShaderModule::ShaderType kShaderType =
+      VulkanShaderModule::ShaderType::VERTEX;
+  const std::string kShaderName = "Basic Vertex Shader";
+  const std::string kShaderEntry = "main";
+  const std::string kShaderSource =
+      "#version 150\n"
+      "void main() {\n"
+      "  gl_Position = vec4(1.0, 1.0, 1.0, 1.0);\n"
+      "}";
+
+  VulkanShaderModule vertex_shader_module(GetDeviceQueue());
+  EXPECT_TRUE(vertex_shader_module.InitializeGLSL(kShaderType, kShaderName,
+                                                  kShaderEntry, kShaderSource));
+  EXPECT_TRUE(vertex_shader_module.IsValid());
+  EXPECT_EQ(kShaderType, vertex_shader_module.shader_type());
+  EXPECT_EQ(kShaderName, vertex_shader_module.name());
+  EXPECT_EQ(kShaderEntry, vertex_shader_module.entry_point());
+  vertex_shader_module.Destroy();
+
+  EXPECT_FALSE(vertex_shader_module.IsValid());
+}
+
+TEST_F(ShaderModuleTest, BasicGLSLFragmentShader) {
+  const VulkanShaderModule::ShaderType kShaderType =
+      VulkanShaderModule::ShaderType::FRAGMENT;
+  const std::string kShaderName = "Basic Fragment Shader";
+  const std::string kShaderEntry = "main";
+  const std::string kShaderSource =
+      "#version 150\n"
+      "out vec4 colorOut;\n"
+      "void main() {\n"
+      "  colorOut = vec4(1.0, 1.0, 1.0, 1.0);\n"
+      "}";
+
+  VulkanShaderModule frag_shader_module(GetDeviceQueue());
+  EXPECT_TRUE(frag_shader_module.InitializeGLSL(kShaderType, kShaderName,
+                                                kShaderEntry, kShaderSource));
+  EXPECT_TRUE(frag_shader_module.IsValid());
+  EXPECT_EQ(kShaderType, frag_shader_module.shader_type());
+  EXPECT_EQ(kShaderName, frag_shader_module.name());
+  EXPECT_EQ(kShaderEntry, frag_shader_module.entry_point());
+  frag_shader_module.Destroy();
+
+  EXPECT_FALSE(frag_shader_module.IsValid());
+}
+
+TEST_F(ShaderModuleTest, BasicGLSLError) {
+  const VulkanShaderModule::ShaderType kShaderType =
+      VulkanShaderModule::ShaderType::VERTEX;
+  const std::string kShaderName = "Basic Fragment Shader";
+  const std::string kShaderEntry = "main";
+  const std::string kShaderSource =
+      "#version 150\n"
+      "void main() {\n"
+      "  typo\n"
+      "}";
+
+  VulkanShaderModule vertex_shader_module(GetDeviceQueue());
+  EXPECT_FALSE(vertex_shader_module.InitializeGLSL(
+      kShaderType, kShaderName, kShaderEntry, kShaderSource));
+  EXPECT_FALSE(vertex_shader_module.IsValid());
+  EXPECT_FALSE(vertex_shader_module.GetErrorMessages().empty());
+  vertex_shader_module.Destroy();
+}
+
+}  // namespace gpu