| // Copyright 2015 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 "base/command_line.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gl/gl_gl_api_implementation.h" |
| #include "ui/gl/gl_implementation.h" |
| #include "ui/gl/gl_switches.h" |
| |
| namespace gfx { |
| |
| class GLApiTest : public testing::Test { |
| public: |
| void SetUp() override { |
| fake_extension_string_ = ""; |
| num_fake_extension_strings_ = 0; |
| fake_extension_strings_ = nullptr; |
| |
| driver_.reset(new DriverGL()); |
| api_.reset(new RealGLApi()); |
| |
| driver_->fn.glGetStringFn = &FakeGetString; |
| driver_->fn.glGetStringiFn = &FakeGetStringi; |
| driver_->fn.glGetIntegervFn = &FakeGetIntegervFn; |
| } |
| |
| void TearDown() override { |
| api_.reset(nullptr); |
| driver_.reset(nullptr); |
| |
| SetGLImplementation(kGLImplementationNone); |
| fake_extension_string_ = ""; |
| num_fake_extension_strings_ = 0; |
| fake_extension_strings_ = nullptr; |
| } |
| |
| void InitializeAPI(base::CommandLine* command_line) { |
| api_.reset(new RealGLApi()); |
| if (command_line) |
| api_->InitializeWithCommandLine(driver_.get(), command_line); |
| else |
| api_->Initialize(driver_.get()); |
| api_->InitializeWithContext(); |
| } |
| |
| void SetFakeExtensionString(const char* fake_string) { |
| SetGLImplementation(kGLImplementationDesktopGL); |
| fake_extension_string_ = fake_string; |
| } |
| |
| void SetFakeExtensionStrings(const char** fake_strings, uint32_t count) { |
| SetGLImplementation(kGLImplementationDesktopGLCoreProfile); |
| num_fake_extension_strings_ = count; |
| fake_extension_strings_ = fake_strings; |
| } |
| |
| static const GLubyte* GL_BINDING_CALL FakeGetString(GLenum name) { |
| return reinterpret_cast<const GLubyte*>(fake_extension_string_); |
| } |
| |
| static void GL_BINDING_CALL FakeGetIntegervFn(GLenum pname, GLint* params) { |
| *params = num_fake_extension_strings_; |
| } |
| |
| static const GLubyte* GL_BINDING_CALL FakeGetStringi(GLenum name, |
| GLuint index) { |
| return (index < num_fake_extension_strings_) ? |
| reinterpret_cast<const GLubyte*>(fake_extension_strings_[index]) : |
| nullptr; |
| } |
| |
| const char* GetExtensions() { |
| return reinterpret_cast<const char*>(api_->glGetStringFn(GL_EXTENSIONS)); |
| } |
| |
| uint32_t GetNumExtensions() { |
| GLint num_extensions = 0; |
| api_->glGetIntegervFn(GL_NUM_EXTENSIONS, &num_extensions); |
| return static_cast<uint32_t>(num_extensions); |
| } |
| |
| const char* GetExtensioni(uint32_t index) { |
| return reinterpret_cast<const char*>(api_->glGetStringiFn(GL_EXTENSIONS, |
| index)); |
| } |
| |
| protected: |
| static const char* fake_extension_string_; |
| |
| static uint32_t num_fake_extension_strings_; |
| static const char** fake_extension_strings_; |
| |
| scoped_ptr<DriverGL> driver_; |
| scoped_ptr<RealGLApi> api_; |
| }; |
| |
| const char* GLApiTest::fake_extension_string_ = ""; |
| |
| uint32_t GLApiTest::num_fake_extension_strings_ = 0; |
| const char** GLApiTest::fake_extension_strings_ = nullptr; |
| |
| TEST_F(GLApiTest, DisabledExtensionStringTest) { |
| static const char* kFakeExtensions = "GL_EXT_1 GL_EXT_2 GL_EXT_3 GL_EXT_4"; |
| static const char* kFakeDisabledExtensions = "GL_EXT_1,GL_EXT_2,GL_FAKE"; |
| static const char* kFilteredExtensions = "GL_EXT_3 GL_EXT_4"; |
| |
| SetFakeExtensionString(kFakeExtensions); |
| InitializeAPI(nullptr); |
| |
| EXPECT_STREQ(kFakeExtensions, GetExtensions()); |
| |
| base::CommandLine command_line(base::CommandLine::NO_PROGRAM); |
| command_line.AppendSwitchASCII(switches::kDisableGLExtensions, |
| kFakeDisabledExtensions); |
| InitializeAPI(&command_line); |
| |
| EXPECT_STREQ(kFilteredExtensions, GetExtensions()); |
| } |
| |
| TEST_F(GLApiTest, DisabledExtensionStringIndexTest) { |
| static const char* kFakeExtensions[] = { |
| "GL_EXT_1", |
| "GL_EXT_2", |
| "GL_EXT_3", |
| "GL_EXT_4" |
| }; |
| static const char* kFakeDisabledExtensions = "GL_EXT_1,GL_EXT_2,GL_FAKE"; |
| static const char* kFilteredExtensions[] = { |
| "GL_EXT_3", |
| "GL_EXT_4" |
| }; |
| |
| SetFakeExtensionStrings(kFakeExtensions, arraysize(kFakeExtensions)); |
| InitializeAPI(nullptr); |
| |
| EXPECT_EQ(arraysize(kFakeExtensions), GetNumExtensions()); |
| for (uint32_t i = 0; i < arraysize(kFakeExtensions); ++i) { |
| EXPECT_STREQ(kFakeExtensions[i], GetExtensioni(i)); |
| } |
| |
| base::CommandLine command_line(base::CommandLine::NO_PROGRAM); |
| command_line.AppendSwitchASCII(switches::kDisableGLExtensions, |
| kFakeDisabledExtensions); |
| InitializeAPI(&command_line); |
| |
| EXPECT_EQ(arraysize(kFilteredExtensions), GetNumExtensions()); |
| for (uint32_t i = 0; i < arraysize(kFilteredExtensions); ++i) { |
| EXPECT_STREQ(kFilteredExtensions[i], GetExtensioni(i)); |
| } |
| } |
| |
| } // namespace gfx |