Roll SwiftShader from 598c7cddf07f to 103a69bd6c82 (1 revision) am: 9389240843

Original change: https://android-review.googlesource.com/c/platform/external/swiftshader/+/2064810

Change-Id: I488fb5ae9f32b8679641c798611c6e85710e81db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed, 0 insertions, 3068 deletions

diff --git a/tests/GLESUnitTests/main.cpp b/tests/GLESUnitTests/main.cpp
deleted file mode 100644
index 8f7e13f32..000000000
--- a/tests/GLESUnitTests/main.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2017 The SwiftShader Authors. All Rights Reserved.

-//

-// Licensed under the Apache License, Version 2.0 (the "License");

-// you may not use this file except in compliance with the License.

-// You may obtain a copy of the License at

-//

-//    http://www.apache.org/licenses/LICENSE-2.0

-//

-// Unless required by applicable law or agreed to in writing, software

-// distributed under the License is distributed on an "AS IS" BASIS,

-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-// See the License for the specific language governing permissions and

-// limitations under the License.

-

-#include "gtest/gtest.h"

-

-int main(int argc, char **argv)

-{

-	::testing::InitGoogleTest(&argc, argv);

-	return RUN_ALL_TESTS();

-}

diff --git a/tests/GLESUnitTests/unittests.cpp b/tests/GLESUnitTests/unittests.cpp
deleted file mode 100644
index f9bea45ac..000000000
--- a/tests/GLESUnitTests/unittests.cpp
+++ /dev/null
@@ -1,3047 +0,0 @@
-// Copyright 2017 The SwiftShader Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// OpenGL ES unit tests that provide coverage for functionality not tested by
-// the dEQP test suite. Also used as a smoke test.
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-
-#include <EGL/egl.h>
-#include <GL/glcorearb.h>
-#include <GL/glext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#include <GLES3/gl3.h>
-
-#if defined(_WIN32)
-#	include <Windows.h>
-#endif
-
-#include <string.h>
-#include <cstdint>
-
-#define EXPECT_GLENUM_EQ(expected, actual) EXPECT_EQ(static_cast<GLenum>(expected), static_cast<GLenum>(actual))
-
-#define EXPECT_NO_GL_ERROR() EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError())
-#define EXPECT_NO_EGL_ERROR() EXPECT_EQ(EGL_SUCCESS, eglGetError())
-
-class SwiftShaderTest : public testing::Test
-{
-protected:
-	void SetUp() override
-	{
-#if defined(_WIN32) && !defined(STANDALONE)
-		// The DLLs are delay loaded (see BUILD.gn), so we can load
-		// the correct ones from Chrome's swiftshader subdirectory.
-		HMODULE libEGL = LoadLibraryA("swiftshader\\libEGL.dll");
-		EXPECT_NE((HMODULE)NULL, libEGL);
-
-		HMODULE libGLESv2 = LoadLibraryA("swiftshader\\libGLESv2.dll");
-		EXPECT_NE((HMODULE)NULL, libGLESv2);
-#endif
-	}
-
-	void expectFramebufferColor(const unsigned char referenceColor[4], GLint x = 0, GLint y = 0)
-	{
-		unsigned char color[4] = { 0 };
-		glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &color);
-		EXPECT_NO_GL_ERROR();
-		EXPECT_EQ(color[0], referenceColor[0]);
-		EXPECT_EQ(color[1], referenceColor[1]);
-		EXPECT_EQ(color[2], referenceColor[2]);
-		EXPECT_EQ(color[3], referenceColor[3]);
-	}
-
-	void expectFramebufferColor(const float referenceColor[4], GLint x = 0, GLint y = 0)
-	{
-		float color[4] = { 0 };
-		glReadPixels(x, y, 1, 1, GL_RGBA, GL_FLOAT, &color);
-		EXPECT_NO_GL_ERROR();
-		EXPECT_EQ(color[0], referenceColor[0]);
-		EXPECT_EQ(color[1], referenceColor[1]);
-		EXPECT_EQ(color[2], referenceColor[2]);
-		EXPECT_EQ(color[3], referenceColor[3]);
-	}
-
-	void Initialize(int version, bool withChecks)
-	{
-		EXPECT_NO_EGL_ERROR();
-
-		display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-
-		if(withChecks)
-		{
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_NE(EGL_NO_DISPLAY, display);
-
-			eglQueryString(display, EGL_VENDOR);
-			EXPECT_EQ(EGL_NOT_INITIALIZED, eglGetError());
-		}
-
-		EGLint major;
-		EGLint minor;
-		EGLBoolean initialized = eglInitialize(display, &major, &minor);
-
-		if(withChecks)
-		{
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_EQ((EGLBoolean)EGL_TRUE, initialized);
-			EXPECT_EQ(1, major);
-			EXPECT_EQ(4, minor);
-
-			const char *eglVendor = eglQueryString(display, EGL_VENDOR);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_STREQ("Google Inc.", eglVendor);
-
-			const char *eglVersion = eglQueryString(display, EGL_VERSION);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_THAT(eglVersion, testing::HasSubstr("1.4 SwiftShader "));
-		}
-
-		eglBindAPI(EGL_OPENGL_ES_API);
-		EXPECT_NO_EGL_ERROR();
-
-		const EGLint configAttributes[] = {
-			EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
-			EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-			EGL_ALPHA_SIZE, 8,
-			EGL_NONE
-		};
-
-		EGLint num_config = -1;
-		EGLBoolean success = eglChooseConfig(display, configAttributes, &config, 1, &num_config);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ(num_config, 1);
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-
-		if(withChecks)
-		{
-			EGLint conformant = 0;
-			eglGetConfigAttrib(display, config, EGL_CONFORMANT, &conformant);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_TRUE(conformant & EGL_OPENGL_ES2_BIT);
-
-			EGLint renderableType = 0;
-			eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_TRUE(renderableType & EGL_OPENGL_ES2_BIT);
-
-			EGLint surfaceType = 0;
-			eglGetConfigAttrib(display, config, EGL_SURFACE_TYPE, &surfaceType);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_TRUE(surfaceType & EGL_WINDOW_BIT);
-		}
-
-		EGLint surfaceAttributes[] = {
-			EGL_WIDTH, 1920,
-			EGL_HEIGHT, 1080,
-			EGL_NONE
-		};
-
-		surface = eglCreatePbufferSurface(display, config, surfaceAttributes);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_NE(EGL_NO_SURFACE, surface);
-
-		EGLint contextAttributes[] = {
-			EGL_CONTEXT_CLIENT_VERSION, version,
-			EGL_NONE
-		};
-
-		context = eglCreateContext(display, config, NULL, contextAttributes);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_NE(EGL_NO_CONTEXT, context);
-
-		success = eglMakeCurrent(display, surface, surface, context);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-
-		if(withChecks)
-		{
-			EGLDisplay currentDisplay = eglGetCurrentDisplay();
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_EQ(display, currentDisplay);
-
-			EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_EQ(surface, currentDrawSurface);
-
-			EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_EQ(surface, currentReadSurface);
-
-			EGLContext currentContext = eglGetCurrentContext();
-			EXPECT_NO_EGL_ERROR();
-			EXPECT_EQ(context, currentContext);
-		}
-
-		EXPECT_NO_GL_ERROR();
-	}
-
-	void Uninitialize()
-	{
-		EXPECT_NO_GL_ERROR();
-
-		EGLBoolean success = eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-
-		EGLDisplay currentDisplay = eglGetCurrentDisplay();
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ(EGL_NO_DISPLAY, currentDisplay);
-
-		EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ(EGL_NO_SURFACE, currentDrawSurface);
-
-		EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ(EGL_NO_SURFACE, currentReadSurface);
-
-		EGLContext currentContext = eglGetCurrentContext();
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ(EGL_NO_CONTEXT, currentContext);
-
-		success = eglDestroyContext(display, context);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-
-		success = eglDestroySurface(display, surface);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-
-		success = eglTerminate(display);
-		EXPECT_NO_EGL_ERROR();
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
-	}
-
-	struct ProgramHandles
-	{
-		GLuint program;
-		GLuint vertexShader;
-		GLuint fragmentShader;
-	};
-
-	GLuint MakeShader(const std::string &source, GLenum shaderType)
-	{
-		GLuint shader = glCreateShader(shaderType);
-		const char *c_source[1] = { source.c_str() };
-		glShaderSource(shader, 1, c_source, nullptr);
-		glCompileShader(shader);
-		EXPECT_NO_GL_ERROR();
-
-		GLchar buf[1024];
-		GLint compileStatus = 0;
-		glGetShaderiv(shader, GL_COMPILE_STATUS, &compileStatus);
-		glGetShaderInfoLog(shader, sizeof(buf), nullptr, buf);
-		EXPECT_EQ(compileStatus, GL_TRUE) << "Compile status: " << std::endl
-		                                  << buf;
-
-		return shader;
-	}
-
-	GLuint MakeProgram(GLuint vs, GLuint fs)
-	{
-		GLuint program;
-
-		program = glCreateProgram();
-		EXPECT_NO_GL_ERROR();
-
-		glAttachShader(program, vs);
-		glAttachShader(program, fs);
-		EXPECT_NO_GL_ERROR();
-
-		return program;
-	}
-
-	void LinkProgram(GLuint program)
-	{
-		GLchar buf[1024];
-		glLinkProgram(program);
-
-		GLint linkStatus = 0;
-		glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
-		glGetProgramInfoLog(program, sizeof(buf), nullptr, buf);
-		EXPECT_NE(linkStatus, 0) << "Link status: " << std::endl
-		                         << buf;
-
-		EXPECT_NO_GL_ERROR();
-	}
-
-	ProgramHandles createProgram(const std::string &vs, const std::string &fs)
-	{
-		ProgramHandles ph;
-		ph.vertexShader = MakeShader(vs, GL_VERTEX_SHADER);
-		ph.fragmentShader = MakeShader(fs, GL_FRAGMENT_SHADER);
-		ph.program = MakeProgram(ph.vertexShader, ph.fragmentShader);
-		LinkProgram(ph.program);
-
-		return ph;
-	}
-
-	void deleteProgram(const ProgramHandles &ph)
-	{
-		glDeleteShader(ph.fragmentShader);
-		glDeleteShader(ph.vertexShader);
-		glDeleteProgram(ph.program);
-
-		EXPECT_NO_GL_ERROR();
-	}
-
-	void drawQuad(GLuint program, const char *textureName = nullptr)
-	{
-		GLint prevProgram = 0;
-		glGetIntegerv(GL_CURRENT_PROGRAM, &prevProgram);
-
-		glUseProgram(program);
-		EXPECT_NO_GL_ERROR();
-
-		GLint posLoc = glGetAttribLocation(program, "position");
-		EXPECT_NO_GL_ERROR();
-
-		if(textureName)
-		{
-			GLint location = glGetUniformLocation(program, textureName);
-			ASSERT_NE(-1, location);
-			glUniform1i(location, 0);
-		}
-
-		float vertices[18] = { -1.0f, 1.0f, 0.5f,
-			                   -1.0f, -1.0f, 0.5f,
-			                   1.0f, -1.0f, 0.5f,
-			                   -1.0f, 1.0f, 0.5f,
-			                   1.0f, -1.0f, 0.5f,
-			                   1.0f, 1.0f, 0.5f };
-
-		glVertexAttribPointer(posLoc, 3, GL_FLOAT, GL_FALSE, 0, vertices);
-		glEnableVertexAttribArray(posLoc);
-		glDrawArrays(GL_TRIANGLES, 0, 6);
-		EXPECT_NO_GL_ERROR();
-
-		glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, nullptr);
-		glDisableVertexAttribArray(posLoc);
-		glUseProgram(prevProgram);
-		EXPECT_NO_GL_ERROR();
-	}
-
-	std::string replace(std::string str, const std::string &substr, const std::string &replacement)
-	{
-		size_t pos = 0;
-		while((pos = str.find(substr, pos)) != std::string::npos)
-		{
-			str.replace(pos, substr.length(), replacement);
-			pos += replacement.length();
-		}
-		return str;
-	}
-
-	void checkCompiles(std::string v, std::string f)
-	{
-		Initialize(3, false);
-
-		std::string vs =
-		    R"(#version 300 es
-			in vec4 position;
-			out float unfoldable;
-			$INSERT
-			void main()
-			{
-			    unfoldable = position.x;
-			    gl_Position = vec4(position.xy, 0.0, 1.0);
-			    gl_Position.x += F(unfoldable);\
-			})";
-
-		std::string fs =
-		    R"(#version 300 es
-			precision mediump float;
-			in float unfoldable;
-			out vec4 fragColor;
-			$INSERT
-			void main()
-			{
-			    fragColor = vec4(1.0, 1.0, 1.0, 1.0);
-			    fragColor.x += F(unfoldable);
-			})";
-
-		vs = replace(vs, "$INSERT", (v.length() > 0) ? v : "float F(float ignored) { return 0.0; }");
-		fs = replace(fs, "$INSERT", (f.length() > 0) ? f : "float F(float ignored) { return 0.0; }");
-
-		const ProgramHandles ph = createProgram(vs, fs);
-
-		glUseProgram(ph.program);
-
-		drawQuad(ph.program);
-
-		deleteProgram(ph);
-
-		EXPECT_NO_GL_ERROR();
-
-		Uninitialize();
-	}
-
-	void checkCompiles(std::string s)
-	{
-		checkCompiles(s, "");
-		checkCompiles("", s);
-	}
-
-	std::string checkCompileFails(std::string source, GLenum glShaderType)
-	{
-		Initialize(3, false);
-
-		GLint compileStatus = 0;
-		const char *c_source[1] = { source.c_str() };
-		GLuint glShader = glCreateShader(glShaderType);
-
-		glShaderSource(glShader, 1, c_source, nullptr);
-		glCompileShader(glShader);
-		EXPECT_NO_GL_ERROR();
-
-		std::string log;
-		char *buf;
-		GLsizei length = 0;
-		GLsizei written = 0;
-
-		glGetShaderiv(glShader, GL_COMPILE_STATUS, &compileStatus);
-		EXPECT_EQ(compileStatus, GL_FALSE);
-
-		glGetShaderiv(glShader, GL_INFO_LOG_LENGTH, &length);
-		EXPECT_NO_GL_ERROR();
-		EXPECT_NE(length, 0);
-		buf = new char[length];
-
-		glGetShaderInfoLog(glShader, length, &written, buf);
-		EXPECT_NO_GL_ERROR();
-		EXPECT_EQ(length, written + 1);
-		log.assign(buf, length);
-		delete[] buf;
-
-		glDeleteShader(glShader);
-
-		Uninitialize();
-
-		return log;
-	}
-
-	void checkCompileFails(std::string s)
-	{
-		std::string vs =
-		    R"(#version 300 es
-			in vec4 position;
-			out float unfoldable;
-			$INSERT
-			void main()
-			{
-			    unfoldable = position.x;
-			    gl_Position = vec4(position.xy, 0.0, 1.0);
-			    gl_Position.x += F(unfoldable);
-			})";
-
-		std::string fs =
-		    R"(#version 300 es
-			precision mediump float;
-			in float unfoldable;
-			out vec4 fragColor;
-			$INSERT
-			void main()
-			{
-			    fragColor = vec4(1.0, 1.0, 1.0, 1.0);
-			    fragColor.x += F(unfoldable);
-			})";
-
-		vs = replace(vs, "$INSERT", s);
-		fs = replace(fs, "$INSERT", s);
-
-		checkCompileFails(vs, GL_VERTEX_SHADER);
-		checkCompileFails(fs, GL_FRAGMENT_SHADER);
-	}
-
-	EGLDisplay getDisplay() const { return display; }
-	EGLConfig getConfig() const { return config; }
-	EGLSurface getSurface() const { return surface; }
-	EGLContext getContext() const { return context; }
-
-private:
-	EGLDisplay display;
-	EGLConfig config;
-	EGLSurface surface;
-	EGLContext context;
-};
-
-TEST_F(SwiftShaderTest, Initalization)
-{
-	Initialize(2, true);
-
-	const GLubyte *glVendor = glGetString(GL_VENDOR);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_STREQ("Google Inc.", (const char *)glVendor);
-
-	const GLubyte *glRenderer = glGetString(GL_RENDERER);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_STREQ("Google SwiftShader", (const char *)glRenderer);
-
-	// SwiftShader return an OpenGL ES 3.0 context when a 2.0 context is requested, as allowed by the spec.
-	const GLubyte *glVersion = glGetString(GL_VERSION);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_THAT((const char *)glVersion, testing::HasSubstr("OpenGL ES 3.0 SwiftShader "));
-
-	Uninitialize();
-}
-
-// Test attempting to clear an incomplete framebuffer
-TEST_F(SwiftShaderTest, ClearIncomplete)
-{
-	Initialize(3, false);
-
-	GLfloat zero_float = 0;
-	GLuint renderbuffer;
-	glGenRenderbuffers(1, &renderbuffer);
-	GLuint framebuffer;
-	glGenFramebuffers(1, &framebuffer);
-
-	glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
-	EXPECT_NO_GL_ERROR();
-	glRenderbufferStorage(GL_RENDERBUFFER, GL_R8I, 43, 27);
-	EXPECT_NO_GL_ERROR();
-	glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer);
-	EXPECT_NO_GL_ERROR();
-	glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, renderbuffer);
-	EXPECT_NO_GL_ERROR();
-	glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
-	EXPECT_NO_GL_ERROR();
-	glClearBufferfv(GL_DEPTH, 0, &zero_float);
-	EXPECT_GLENUM_EQ(GL_INVALID_FRAMEBUFFER_OPERATION, glGetError());
-
-	Uninitialize();
-}
-
-// Test unrolling of a loop
-TEST_F(SwiftShaderTest, UnrollLoop)
-{
-	Initialize(3, false);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		out vec4 color;
-		void main()
-		{
-		   for(int i = 0; i < 4; i++)
-		   {
-		       color[i] = (i % 2 == 0) ? 0.0 : 1.0;
-		   }
-			gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		in vec4 color;
-		out vec4 fragColor;
-		void main()
-		{
-			fragColor = color;
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	// Expect the info log to contain "unrolled". This is not a spec requirement.
-	GLsizei length = 0;
-	glGetShaderiv(ph.vertexShader, GL_INFO_LOG_LENGTH, &length);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_NE(length, 0);
-	char *log = new char[length];
-	GLsizei written = 0;
-	glGetShaderInfoLog(ph.vertexShader, length, &written, log);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_EQ(length, written + 1);
-	EXPECT_NE(strstr(log, "unrolled"), nullptr);
-	delete[] log;
-
-	glUseProgram(ph.program);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program);
-
-	deleteProgram(ph);
-
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test non-canonical or non-deterministic loops do not get unrolled
-TEST_F(SwiftShaderTest, DynamicLoop)
-{
-	Initialize(3, false);
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		out vec4 color;
-		void main()
-		{
-		   for(int i = 0; i < 4; )
-		   {
-		       color[i] = (i % 2 == 0) ? 0.0 : 1.0;
-		       i++;
-		   }
-			gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		in vec4 color;
-		out vec4 fragColor;
-		void main()
-		{
-		   vec4 temp;
-		   for(int i = 0; i < 4; i++)
-		   {
-		       if(color.x < 0.0) return;
-		       temp[i] = color[i];
-		   }
-			fragColor = vec4(temp[0], temp[1], temp[2], temp[3]);
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	// Expect the info logs to be empty. This is not a spec requirement.
-	GLsizei length = 0;
-	glGetShaderiv(ph.vertexShader, GL_INFO_LOG_LENGTH, &length);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_EQ(length, 0);
-	glGetShaderiv(ph.fragmentShader, GL_INFO_LOG_LENGTH, &length);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_EQ(length, 0);
-
-	glUseProgram(ph.program);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program);
-
-	deleteProgram(ph);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test dynamic indexing
-TEST_F(SwiftShaderTest, DynamicIndexing)
-{
-	Initialize(3, false);
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		out float color[4];
-		void main()
-		{
-		   for(int i = 0; i < 4; )
-		   {
-		       int j = (gl_VertexID + i) % 4;
-		       color[j] = (j % 2 == 0) ? 0.0 : 1.0;
-		       i++;
-		   }
-			gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		in float color[4];
-		out vec4 fragColor;
-		void main()
-		{
-		   float temp[4];
-		   for(int i = 0; i < 4; )
-		   {
-		       temp[i] = color[i];
-		       i++;
-		   }
-			fragColor = vec4(temp[0], temp[1], temp[2], temp[3]);
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	glUseProgram(ph.program);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program);
-
-	deleteProgram(ph);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test vertex attribute location linking
-TEST_F(SwiftShaderTest, AttributeLocation)
-{
-	Initialize(3, false);
-
-	const std::string vs =
-	    R"(#version 300 es
-		layout(location = 0) in vec4 a0;   // Explicitly bound in GLSL
-		layout(location = 2) in vec4 a2;   // Explicitly bound in GLSL
-		in vec4 a5;                        // Bound to location 5 by API
-		in mat2 a3;                        // Implicit location
-		in vec4 a1;                        // Implicit location
-		in vec4 a6;                        // Implicit location
-		out vec4 color;
-		void main()
-		{
-		   vec4 a34 = vec4(a3[0], a3[1]);
-			gl_Position = a0;
-		   color = (a2 == vec4(1.0, 2.0, 3.0, 4.0) &&
-		            a34 == vec4(5.0, 6.0, 7.0, 8.0) &&
-		            a5 == vec4(9.0, 10.0, 11.0, 12.0) &&
-		            a1 == vec4(13.0, 14.0, 15.0, 16.0) &&
-		            a6 == vec4(17.0, 18.0, 19.0, 20.0)) ?
-		           vec4(0.0, 1.0, 0.0, 1.0) :
-		           vec4(1.0, 0.0, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		in vec4 color;
-		out vec4 fragColor;
-		void main()
-		{
-			fragColor = color;
-		})";
-
-	ProgramHandles ph;
-	ph.vertexShader = MakeShader(vs, GL_VERTEX_SHADER);
-	ph.fragmentShader = MakeShader(fs, GL_FRAGMENT_SHADER);
-	ph.program = glCreateProgram();
-	EXPECT_NO_GL_ERROR();
-
-	// Not assigned a layout location in GLSL. Bind it explicitly with the API.
-	glBindAttribLocation(ph.program, 5, "a5");
-	EXPECT_NO_GL_ERROR();
-
-	// Should not override GLSL layout location qualifier
-	glBindAttribLocation(ph.program, 8, "a2");
-	EXPECT_NO_GL_ERROR();
-
-	glAttachShader(ph.program, ph.vertexShader);
-	glAttachShader(ph.program, ph.fragmentShader);
-	glLinkProgram(ph.program);
-	EXPECT_NO_GL_ERROR();
-
-	// Changes after linking should have no effect
-	glBindAttribLocation(ph.program, 0, "a1");
-	glBindAttribLocation(ph.program, 6, "a2");
-	glBindAttribLocation(ph.program, 2, "a6");
-
-	GLint linkStatus = 0;
-	glGetProgramiv(ph.program, GL_LINK_STATUS, &linkStatus);
-	EXPECT_NE(linkStatus, 0);
-	EXPECT_NO_GL_ERROR();
-
-	float vertices[6][3] = { { -1.0f, 1.0f, 0.5f },
-		                     { -1.0f, -1.0f, 0.5f },
-		                     { 1.0f, -1.0f, 0.5f },
-		                     { -1.0f, 1.0f, 0.5f },
-		                     { 1.0f, -1.0f, 0.5f },
-		                     { 1.0f, 1.0f, 0.5f } };
-
-	float attributes[5][4] = { { 1.0f, 2.0f, 3.0f, 4.0f },
-		                       { 5.0f, 6.0f, 7.0f, 8.0f },
-		                       { 9.0f, 10.0f, 11.0f, 12.0f },
-		                       { 13.0f, 14.0f, 15.0f, 16.0f },
-		                       { 17.0f, 18.0f, 19.0f, 20.0f } };
-
-	GLint a0 = glGetAttribLocation(ph.program, "a0");
-	EXPECT_EQ(a0, 0);
-	glVertexAttribPointer(a0, 3, GL_FLOAT, GL_FALSE, 0, vertices);
-	glEnableVertexAttribArray(a0);
-	EXPECT_NO_GL_ERROR();
-
-	GLint a2 = glGetAttribLocation(ph.program, "a2");
-	EXPECT_EQ(a2, 2);
-	glVertexAttribPointer(a2, 4, GL_FLOAT, GL_FALSE, 0, attributes[0]);
-	glVertexAttribDivisor(a2, 1);
-	glEnableVertexAttribArray(a2);
-	EXPECT_NO_GL_ERROR();
-
-	GLint a3 = glGetAttribLocation(ph.program, "a3");
-	EXPECT_EQ(a3, 3);  // Note: implementation specific
-	glVertexAttribPointer(a3 + 0, 2, GL_FLOAT, GL_FALSE, 0, &attributes[1][0]);
-	glVertexAttribPointer(a3 + 1, 2, GL_FLOAT, GL_FALSE, 0, &attributes[1][2]);
-	glVertexAttribDivisor(a3 + 0, 1);
-	glVertexAttribDivisor(a3 + 1, 1);
-	glEnableVertexAttribArray(a3 + 0);
-	glEnableVertexAttribArray(a3 + 1);
-	EXPECT_NO_GL_ERROR();
-
-	GLint a5 = glGetAttribLocation(ph.program, "a5");
-	EXPECT_EQ(a5, 5);
-	glVertexAttribPointer(a5, 4, GL_FLOAT, GL_FALSE, 0, attributes[2]);
-	glVertexAttribDivisor(a5, 1);
-	glEnableVertexAttribArray(a5);
-	EXPECT_NO_GL_ERROR();
-
-	GLint a1 = glGetAttribLocation(ph.program, "a1");
-	EXPECT_EQ(a1, 1);  // Note: implementation specific
-	glVertexAttribPointer(a1, 4, GL_FLOAT, GL_FALSE, 0, attributes[3]);
-	glVertexAttribDivisor(a1, 1);
-	glEnableVertexAttribArray(a1);
-	EXPECT_NO_GL_ERROR();
-
-	GLint a6 = glGetAttribLocation(ph.program, "a6");
-	EXPECT_EQ(a6, 6);  // Note: implementation specific
-	glVertexAttribPointer(a6, 4, GL_FLOAT, GL_FALSE, 0, attributes[4]);
-	glVertexAttribDivisor(a6, 1);
-	glEnableVertexAttribArray(a6);
-	EXPECT_NO_GL_ERROR();
-
-	glUseProgram(ph.program);
-	glDrawArrays(GL_TRIANGLES, 0, 6);
-	EXPECT_NO_GL_ERROR();
-
-	deleteProgram(ph);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test negative layout locations
-TEST_F(SwiftShaderTest, NegativeLocation)
-{
-	const std::string vs =
-	    R"(#version 300 es
-		layout(location = 0x86868686u) in vec4 a0;   // Explicitly bound in GLSL
-		layout(location = 0x96969696u) in vec4 a2;   // Explicitly bound in GLSL
-		in vec4 a5;                        // Bound to location 5 by API
-		in mat2 a3;                        // Implicit location
-		in vec4 a1;                        // Implicit location
-		in vec4 a6;                        // Implicit location
-		out vec4 color;
-		float F(float f)
-		{
-		   vec4 a34 = vec4(a3[0], a3[1]);\n"
-			gl_Position = a0;\n"
-		   color = (a2 == vec4(1.0, 2.0, 3.0, 4.0) &&
-		            a34 == vec4(5.0, 6.0, 7.0, 8.0) &&
-		            a5 == vec4(9.0, 10.0, 11.0, 12.0) &&
-		            a1 == vec4(13.0, 14.0, 15.0, 16.0) &&
-		            a6 == vec4(17.0, 18.0, 19.0, 20.0)) ?
-		           vec4(0.0, 1.0, 0.0, 1.0) :
-		           vec4(1.0, 0.0, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		in vec4 color;
-		layout(location = 0xA6A6A6A6u) out vec4 fragColor;
-		float F main()
-		{
-			fragColor = color;
-		})";
-
-	{
-		std::string log = checkCompileFails(vs, GL_VERTEX_SHADER);
-		EXPECT_NE(strstr(log.c_str(), "out of range: location must be non-negative"), nullptr);
-	}
-
-	{
-		std::string log = checkCompileFails(fs, GL_FRAGMENT_SHADER);
-		EXPECT_NE(strstr(log.c_str(), "out of range: location must be non-negative"), nullptr);
-	}
-}
-
-// Tests clearing of a texture with 'dirty' content.
-TEST_F(SwiftShaderTest, ClearDirtyTexture)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_2D, tex);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_R11F_G11F_B10F, 256, 256, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, nullptr);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
-
-	float dirty_color[3] = { 128 / 255.0f, 64 / 255.0f, 192 / 255.0f };
-	GLint dirty_x = 8;
-	GLint dirty_y = 12;
-	glTexSubImage2D(GL_TEXTURE_2D, 0, dirty_x, dirty_y, 1, 1, GL_RGB, GL_FLOAT, dirty_color);
-
-	const float clear_color[4] = { 1.0f, 32.0f, 0.5f, 1.0f };
-	glClearColor(clear_color[0], clear_color[1], clear_color[2], 1.0f);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	expectFramebufferColor(clear_color, dirty_x, dirty_y);
-
-	Uninitialize();
-}
-
-// Tests copying between textures of different floating-point formats using a framebuffer object.
-TEST_F(SwiftShaderTest, CopyTexImage)
-{
-	Initialize(3, false);
-
-	GLuint tex1 = 1;
-	float green[4] = { 0.0f, 1.0f, 0.0f, 1.0f };
-	glBindTexture(GL_TEXTURE_2D, tex1);
-	glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, 16, 16);
-	glTexSubImage2D(GL_TEXTURE_2D, 0, 5, 10, 1, 1, GL_RGBA, GL_FLOAT, &green);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex1, 0);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint tex2 = 2;
-	glBindTexture(GL_TEXTURE_2D, tex2);
-	glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 2, 6, 8, 8, 0);
-	EXPECT_NO_GL_ERROR();
-
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex2, 0);
-	expectFramebufferColor(green, 3, 4);
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Tests copying to a texture from a pixel buffer object
-TEST_F(SwiftShaderTest, CopyTexImageFromPixelBuffer)
-{
-	Initialize(3, false);
-	const GLuint red = 0xff0000ff;
-	const GLuint green = 0x00ff00ff;
-	const GLuint blue = 0x0000ffff;
-	// Set up texture
-	GLuint texture = 0;
-	glGenTextures(1, &texture);
-	EXPECT_NO_GL_ERROR();
-	GLuint tex_data[4][4] = {
-		{ red, red, red, red },
-		{ red, red, red, red },
-		{ red, red, red, red },
-		{ red, red, red, red }
-	};
-	glBindTexture(GL_TEXTURE_2D, texture);
-	EXPECT_NO_GL_ERROR();
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, (void *)tex_data[0]);
-	EXPECT_NO_GL_ERROR();
-	// Set up Pixel Buffer Object
-	GLuint pixelBuffer = 0;
-	glGenBuffers(1, &pixelBuffer);
-	glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixelBuffer);
-	EXPECT_NO_GL_ERROR();
-	glPixelStorei(GL_UNPACK_ROW_LENGTH, 4);
-	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-	EXPECT_NO_GL_ERROR();
-	GLuint pixel_data[4][4] = {
-		{ blue, blue, green, green },
-		{ blue, blue, green, green },
-		{ blue, blue, green, green },
-		{ blue, blue, green, green },
-	};
-	glBufferData(GL_PIXEL_UNPACK_BUFFER, sizeof(pixel_data), (void *)pixel_data, GL_STREAM_DRAW);
-	// Should set the 2-rightmost columns of the currently bound texture to the
-	// 2-rightmost columns of the PBO;
-	GLintptr offset = 2 * sizeof(GLuint);
-	glTexSubImage2D(GL_TEXTURE_2D, 0, 2, 0, 2, 4, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<void *>(offset));
-	EXPECT_NO_GL_ERROR();
-	// Create an off-screen framebuffer to render the texture data to.
-	GLuint fbo = 0;
-	glGenFramebuffers(1, &fbo);
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
-	EXPECT_NO_GL_ERROR();
-	unsigned int color[4][4] = {
-		{ 0, 0, 0, 0 },
-		{ 0, 0, 0, 0 },
-		{ 0, 0, 0, 0 },
-		{ 0, 0, 0, 0 }
-	};
-	glReadPixels(0, 0, 4, 4, GL_RGBA, GL_UNSIGNED_BYTE, &color);
-	EXPECT_NO_GL_ERROR();
-	bool allEqual = true;
-	for(int i = 0; i < 4; i++)
-	{
-		for(int j = 0; j < 2; j++)
-		{
-			allEqual = allEqual && (color[i][j] == tex_data[i][j]);
-			allEqual = allEqual && (color[i][j + 2] == pixel_data[i][j + 2]);
-			if(!allEqual)
-				break;
-		}
-		if(!allEqual)
-			break;
-	}
-	EXPECT_EQ(allEqual, true);
-	// We can't use an offset of 3 GLuints or more, because the PBO is not large
-	// enough to satisfy such a request with the current GL_UNPACK_ROW_LENGTH.
-	offset = 3 * sizeof(GLuint);
-	glTexSubImage2D(GL_TEXTURE_2D, 0, 2, 0, 2, 4, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<void *>(offset));
-	GLenum error = glGetError();
-	EXPECT_GLENUM_EQ(GL_INVALID_OPERATION, error);
-	Uninitialize();
-}
-
-// Tests reading of half-float textures.
-TEST_F(SwiftShaderTest, ReadHalfFloat)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_2D, tex);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB16F, 256, 256, 0, GL_RGB, GL_HALF_FLOAT, nullptr);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
-
-	const float clear_color[4] = { 1.0f, 32.0f, 0.5f, 1.0f };
-	glClearColor(clear_color[0], clear_color[1], clear_color[2], 1.0f);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	uint16_t pixel[3] = { 0x1234, 0x3F80, 0xAAAA };
-	GLint x = 6;
-	GLint y = 3;
-	glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, 1, 1, GL_RGB, GL_HALF_FLOAT, pixel);
-
-	// This relies on GL_HALF_FLOAT being a valid type for read-back,
-	// which isn't guaranteed by the spec but is supported by SwiftShader.
-	uint16_t read_color[3] = { 0, 0, 0 };
-	glReadPixels(x, y, 1, 1, GL_RGB, GL_HALF_FLOAT, &read_color);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_EQ(read_color[0], pixel[0]);
-	EXPECT_EQ(read_color[1], pixel[1]);
-	EXPECT_EQ(read_color[2], pixel[2]);
-
-	Uninitialize();
-}
-
-// Tests construction of a structure containing a single matrix
-TEST_F(SwiftShaderTest, MatrixInStruct)
-{
-	Initialize(2, false);
-
-	const std::string fs =
-	    R"(#version 100
-		precision mediump float;
-		struct S
-		{
-			mat2 rotation;
-		};
-		void main(void)
-		{
-			float angle = 1.0;
-			S(mat2(1.0, angle, 1.0, 1.0));
-		})";
-
-	MakeShader(fs, GL_FRAGMENT_SHADER);
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, TestMat4Uniform)
-{
-	Initialize(3, false);
-	const std::string vs = R"(#version 300 es
-	    precision highp float;
-	    uniform mat4 UniformMatrix;
-	    out vec4 color;
-	    void main()
-        {
-		    const vec4 pos[] = vec4[](
-		        vec4( 1.,  1., .0, 1.),
-		        vec4(-1.,  1., .0, 1.),
-		        vec4(-1., -1., .0, 1.),
-		        vec4( 1.,  1., .0, 1.),
-		        vec4(-1., -1., .0, 1.),
-		        vec4( 1., -1., .0, 1.));
-		        gl_Position = pos[gl_VertexID];
-		      color = vec4(vec3(UniformMatrix[0].xyz), 1.);
-	    }
-	)";
-	const std::string ps = R"(#version 300 es
-	    precision  highp float;
-	    in vec4 color;
-	    out vec4 fragColor;
-	    void main() 
-        {
-		    fragColor = color;
-	    })";
-	const ProgramHandles ph = createProgram(vs, ps);
-
-	glUseProgram(ph.program);
-	GLint location = glGetUniformLocation(ph.program, "UniformMatrix");
-	ASSERT_NE(-1, location);
-	constexpr float unit_mat[] = {
-		1., 0., 0., 0.,
-		0., 1., 0., 0.,
-		0., 0., 1., 0.,
-		0., 0., 0., 1.
-	};
-	glUniformMatrix4fv(location, 1, GL_FALSE, unit_mat);
-	glClearColor(0.0, 0.0, 0.0, 1.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	GLuint dummyvao = GL_NONE;
-	glGenVertexArrays(1, &dummyvao);
-	glBindVertexArray(dummyvao);
-	glDrawArrays(GL_TRIANGLES, 0, 6);
-
-	EXPECT_NO_GL_ERROR();
-
-	unsigned char red[4] = { 255, 0, 0, 255 };
-	expectFramebufferColor(red);
-
-	Uninitialize();
-}
-
-// Test sampling from a sampler in a struct as a function argument
-TEST_F(SwiftShaderTest, SamplerArrayInStructArrayAsFunctionArg)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_2D, tex);
-	EXPECT_NO_GL_ERROR();
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, green);
-	EXPECT_NO_GL_ERROR();
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		void main()
-		{
-			gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		struct SamplerStruct{ sampler2D tex[2]; };
-		vec4 doSample(in SamplerStruct s[2])
-		{
-			return texture(s[1].tex[1], vec2(0.0));
-		}
-		uniform SamplerStruct samplerStruct[2];
-		out vec4 fragColor;
-		void main()
-		{
-			fragColor = doSample(samplerStruct);
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	glUseProgram(ph.program);
-	GLint location = glGetUniformLocation(ph.program, "samplerStruct[1].tex[1]");
-	ASSERT_NE(-1, location);
-	glUniform1i(location, 0);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program, "samplerStruct[1].tex[1]");
-
-	deleteProgram(ph);
-
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test sampling from a sampler in a struct as a function argument
-TEST_F(SwiftShaderTest, AtanCornerCases)
-{
-	Initialize(3, false);
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		void main()
-		{
-			gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		precision mediump float;
-		const float kPI = 3.14159265358979323846;
-		uniform float positive_value;
-		uniform float negative_value;
-		out vec4 fragColor;
-		void main()
-		{
-			// Should yield vec4(0, pi, pi/2, -pi/2)
-			vec4 result = atan(vec4(0.0, 0.0, positive_value, negative_value),
-			                   vec4(positive_value, negative_value, 0.0, 0.0));
-			fragColor = (result / vec4(kPI)) + vec4(0.5, -0.5, 0.0, 1.0) + vec4(0.5 / 255.0);
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	glUseProgram(ph.program);
-	GLint positive_value = glGetUniformLocation(ph.program, "positive_value");
-	ASSERT_NE(-1, positive_value);
-	GLint negative_value = glGetUniformLocation(ph.program, "negative_value");
-	ASSERT_NE(-1, negative_value);
-
-	float value = 1.0f;
-	glUniform1fv(positive_value, 1, &value);
-	value = -1.0f;
-	glUniform1fv(negative_value, 1, &value);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program, nullptr);
-
-	deleteProgram(ph);
-
-	unsigned char grey[4] = { 128, 128, 128, 128 };
-	expectFramebufferColor(grey);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, TransformFeedback_DrawArraysInstanced)
-{
-	Initialize(3, false);
-
-	std::string fs =
-	    R"(#version 300 es
-		in mediump vec2 vary;
-		out mediump vec4 color;
-		void main()
-		{
-			color = vec4(vary, 0.0, 1.0);
-		})";
-	std::string vs =
-	    R"(#version 300 es
-		layout(location=0) in mediump vec2 pos;
-		out mediump vec2 vary;
-		void main()
-		{
-			vary = pos;
-			gl_Position = vec4(pos, 0.0, 1.0);
-		})";
-
-	GLuint vert = MakeShader(vs, GL_VERTEX_SHADER);
-	GLuint frag = MakeShader(fs, GL_FRAGMENT_SHADER);
-	GLuint program = MakeProgram(vert, frag);
-	LinkProgram(program);
-	glBeginTransformFeedback(GL_POINTS);
-	glDrawArraysInstanced(GL_POINTS, 0, 1, 1);
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, TransformFeedback_BadViewport)
-{
-	Initialize(3, false);
-
-	GLuint tfBuffer;
-	glGenBuffers(1, &tfBuffer);
-	glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, tfBuffer);
-	glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER, 1 << 12, nullptr, GL_STATIC_DRAW);
-
-	std::string vsSource =
-	    R"(#version 300 es
-		in vec4 a_position;
-		void main()
-		{
-			gl_Position = a_position;
-		})";
-	std::string fsSource =
-	    R"(#version 300 es
-		precision highp float;
-		out vec4 my_FragColor;
-		void main()
-		{
-			my_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
-		})";
-
-	const char *varyings[] = { "gl_Position" };
-
-	GLuint vs = MakeShader(vsSource, GL_VERTEX_SHADER);
-	GLuint fs = MakeShader(fsSource, GL_FRAGMENT_SHADER);
-	GLuint program = MakeProgram(vs, fs);
-
-	glTransformFeedbackVaryings(program, 1,
-	                            &varyings[0], GL_INTERLEAVED_ATTRIBS);
-	LinkProgram(program);
-	glUseProgram(program);
-
-	glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfBuffer);
-	glBeginTransformFeedback(GL_TRIANGLES);
-
-	GLuint primitivesWrittenQuery = 0;
-	glGenQueries(1, &primitivesWrittenQuery);
-	glBeginQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, primitivesWrittenQuery);
-
-	glViewport(0, 10000000, 300, 300);
-
-	GLint positionLocation = glGetAttribLocation(program, "a_position");
-	GLfloat quadVertices[] = {
-		-1.0f,
-		1.0f,
-		0.5f,
-		-1.0f,
-		-1.0f,
-		0.5f,
-		1.0f,
-		-1.0f,
-		0.5f,
-		-1.0f,
-		1.0f,
-		0.5f,
-		1.0f,
-		-1.0f,
-		0.5f,
-		1.0f,
-		1.0f,
-		0.5f,
-	};
-
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-
-	glVertexAttribPointer(positionLocation, 3, GL_FLOAT, GL_FALSE, 0, &quadVertices[0]);
-
-	glDrawArrays(GL_TRIANGLES, 0, 6);
-	glDisableVertexAttribArray(positionLocation);
-	glVertexAttribPointer(positionLocation, 4, GL_FLOAT, GL_FALSE, 0, nullptr);
-
-	glEndQuery(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN);
-	glEndTransformFeedback();
-
-	GLuint primitivesWritten = 0;
-	glGetQueryObjectuiv(primitivesWrittenQuery, GL_QUERY_RESULT_EXT, &primitivesWritten);
-	EXPECT_NO_GL_ERROR();
-
-	EXPECT_EQ(2u, primitivesWritten);
-
-	Uninitialize();
-}
-
-// Test conditions that should result in a GL_OUT_OF_MEMORY and not crash
-TEST_F(SwiftShaderTest, OutOfMemory)
-{
-	// Image sizes are assumed to fit in a 32-bit signed integer by the renderer,
-	// so test that we can't create a 2+ GiB image.
-	{
-		Initialize(3, false);
-
-		GLuint tex = 1;
-		glBindTexture(GL_TEXTURE_3D, tex);
-
-		const int width = 0xC2;
-		const int height = 0x541;
-		const int depth = 0x404;
-		glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA32F, width, height, depth, 0, GL_RGBA, GL_FLOAT, nullptr);
-		EXPECT_GLENUM_EQ(GL_OUT_OF_MEMORY, glGetError());
-
-		// b/145229887: Allocating an image of exactly 1 GiB should succeed.
-		const int width8k = 8192;
-		const int height8k = 8192;
-		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width8k, height8k, 0, GL_RGBA, GL_FLOAT, nullptr);
-		EXPECT_NO_GL_ERROR();
-
-		// The spec states that the GL is in an undefined state when GL_OUT_OF_MEMORY
-		// is returned, and the context must be recreated before attempting more rendering.
-		Uninitialize();
-	}
-}
-
-TEST_F(SwiftShaderTest, ViewportBounds)
-{
-	auto doRenderWithViewportSettings = [&](GLint x, GLint y, GLsizei w, GLsizei h) {
-		Initialize(3, false);
-
-		std::string vs =
-		    R"(#version 300 es
-			in vec4 position;
-			out float unfoldable;
-			void main()
-			{
-			    unfoldable = position.x;
-			    gl_Position = vec4(position.xy, 0.0, 1.0);
-			})";
-
-		std::string fs =
-		    R"(#version 300 es
-			precision mediump float;
-			in float unfoldable;
-			out vec4 fragColor;
-			void main()
-			{
-			    fragColor = vec4(1.0, 1.0, 1.0, 1.0);
-			})";
-
-		const ProgramHandles ph = createProgram(vs, fs);
-
-		glUseProgram(ph.program);
-
-		glViewport(x, y, w, h);
-
-		drawQuad(ph.program);
-		EXPECT_NO_GL_ERROR();
-
-		deleteProgram(ph);
-		Uninitialize();
-	};
-
-	GLsizei w = 100;
-	GLsizei h = 100;
-	GLint minPos = -2000;
-
-	doRenderWithViewportSettings(0, 0, 0, 0);
-	doRenderWithViewportSettings(0, 0, w, h);
-
-	// Negative positions
-	doRenderWithViewportSettings(minPos, 0, w, h);
-	doRenderWithViewportSettings(0, minPos, w, h);
-	doRenderWithViewportSettings(minPos, minPos, w, h);
-}
-
-// Test using TexImage2D to define a rectangle texture
-
-TEST_F(SwiftShaderTest, TextureRectangle_TexImage2D)
-{
-	Initialize(2, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-
-	// Defining level 0 is allowed
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-	EXPECT_NO_GL_ERROR();
-
-	// Defining level other than 0 is not allowed
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-
-	GLint maxSize = 0;
-	glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &maxSize);
-
-	// Defining a texture of the max size is allowed
-	{
-		glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-		GLenum error = glGetError();
-		ASSERT_TRUE(error == GL_NO_ERROR || error == GL_OUT_OF_MEMORY);
-	}
-
-	// Defining a texture larger than the max size is disallowed
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize + 1, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize, maxSize + 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-
-	Uninitialize();
-}
-
-// Test using CompressedTexImage2D cannot be used on a retangle texture
-TEST_F(SwiftShaderTest, TextureRectangle_CompressedTexImage2DDisallowed)
-{
-	Initialize(2, false);
-
-	const char data[128] = { 0 };
-
-	// Control case: 2D texture
-	{
-		GLuint tex = 1;
-		glBindTexture(GL_TEXTURE_2D, tex);
-		glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16, 0, 128, data);
-		EXPECT_NO_GL_ERROR();
-	}
-
-	// Rectangle textures cannot be compressed
-	{
-		GLuint tex = 2;
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-		glCompressedTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16, 0, 128, data);
-		EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	}
-
-	Uninitialize();
-}
-
-// Test using TexStorage2D to define a rectangle texture (ES3)
-TEST_F(SwiftShaderTest, TextureRectangle_TexStorage2D)
-{
-	Initialize(3, false);
-
-	// Defining one level is allowed
-	{
-		GLuint tex = 1;
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-		glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, 16, 16);
-		EXPECT_NO_GL_ERROR();
-	}
-
-	// Having more than one level is not allowed
-	{
-		GLuint tex = 2;
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-		// Use 5 levels because the EXT_texture_storage extension requires a mip chain all the way
-		// to a 1x1 mip.
-		glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 5, GL_RGBA8UI, 16, 16);
-		EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-	}
-
-	GLint maxSize = 0;
-	glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &maxSize);
-
-	// Defining a texture of the max size is allowed but still allow for OOM
-	{
-		GLuint tex = 3;
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-		glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize, maxSize);
-		GLenum error = glGetError();
-		ASSERT_TRUE(error == GL_NO_ERROR || error == GL_OUT_OF_MEMORY);
-	}
-
-	// Defining a texture larger than the max size is disallowed
-	{
-		GLuint tex = 4;
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-		glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize + 1, maxSize);
-		EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-		glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize, maxSize + 1);
-		EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-	}
-
-	// Compressed formats are disallowed
-	GLuint tex = 5;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	Uninitialize();
-}
-
-// Test validation of disallowed texture parameters
-TEST_F(SwiftShaderTest, TextureRectangle_TexParameterRestriction)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-
-	// Only wrap mode CLAMP_TO_EDGE is supported
-	// Wrap S
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	EXPECT_NO_GL_ERROR();
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_REPEAT);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	// Wrap T
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	EXPECT_NO_GL_ERROR();
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_REPEAT);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	// Min filter has to be nearest or linear
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	EXPECT_NO_GL_ERROR();
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	EXPECT_NO_GL_ERROR();
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	// Base level has to be 0
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_BASE_LEVEL, 0);
-	EXPECT_NO_GL_ERROR();
-	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_BASE_LEVEL, 1);
-	EXPECT_GLENUM_EQ(GL_INVALID_OPERATION, glGetError());
-
-	Uninitialize();
-}
-
-// Test validation of "level" in FramebufferTexture2D
-TEST_F(SwiftShaderTest, TextureRectangle_FramebufferTexture2DLevel)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-
-	// Using level 0 of a rectangle texture is valid.
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
-	EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
-	EXPECT_NO_GL_ERROR();
-
-	// Setting level != 0 is invalid
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 1);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-
-	Uninitialize();
-}
-
-// Test sampling from a rectangle texture
-TEST_F(SwiftShaderTest, TextureRectangle_SamplingFromRectangle)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	EXPECT_NO_GL_ERROR();
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, green);
-	EXPECT_NO_GL_ERROR();
-
-	const std::string vs =
-	    R"(attribute vec4 position;
-		void main()
-		{
-		    gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#extension GL_ARB_texture_rectangle : require
-		precision mediump float;
-		uniform sampler2DRect tex;
-		void main()
-		{
-		    gl_FragColor = texture2DRect(tex, vec2(0, 0));
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	glUseProgram(ph.program);
-	GLint location = glGetUniformLocation(ph.program, "tex");
-	ASSERT_NE(-1, location);
-	glUniform1i(location, 0);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program, "tex");
-
-	deleteProgram(ph);
-
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test sampling from a rectangle texture
-TEST_F(SwiftShaderTest, TextureRectangle_SamplingFromRectangleESSL3)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	EXPECT_NO_GL_ERROR();
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, green);
-	EXPECT_NO_GL_ERROR();
-
-	const std::string vs =
-	    R"(#version 300 es
-		in vec4 position;
-		void main()
-		{
-		    gl_Position = vec4(position.xy, 0.0, 1.0);
-		})";
-
-	const std::string fs =
-	    R"(#version 300 es
-		#extension GL_ARB_texture_rectangle : require
-		precision mediump float;
-		uniform sampler2DRect tex;
-		out vec4 fragColor;
-		void main()
-		{
-		    fragColor = texture(tex, vec2(0, 0));
-		})";
-
-	const ProgramHandles ph = createProgram(vs, fs);
-
-	glUseProgram(ph.program);
-	GLint location = glGetUniformLocation(ph.program, "tex");
-	ASSERT_NE(-1, location);
-	glUniform1i(location, 0);
-
-	glClearColor(0.0, 0.0, 0.0, 0.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	drawQuad(ph.program, "tex");
-
-	deleteProgram(ph);
-
-	expectFramebufferColor(green);
-
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test attaching a rectangle texture and rendering to it.
-TEST_F(SwiftShaderTest, TextureRectangle_RenderToRectangle)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	unsigned char black[4] = { 0, 0, 0, 255 };
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, black);
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
-	EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
-	EXPECT_NO_GL_ERROR();
-
-	// Clearing a texture is just as good as checking we can render to it, right?
-	glClearColor(0.0, 1.0, 0.0, 1.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, TextureRectangle_DefaultSamplerParameters)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-
-	GLint minFilter = 0;
-	glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, &minFilter);
-	EXPECT_GLENUM_EQ(GL_LINEAR, minFilter);
-
-	GLint wrapS = 0;
-	glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, &wrapS);
-	EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, wrapS);
-
-	GLint wrapT = 0;
-	glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, &wrapT);
-	EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, wrapT);
-
-	Uninitialize();
-}
-
-// Test glCopyTexImage with rectangle textures (ES3)
-TEST_F(SwiftShaderTest, TextureRectangle_CopyTexImage)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	glClearColor(0, 1, 0, 1);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	// Error case: level != 0
-	glCopyTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8, 0, 0, 1, 1, 0);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-
-	// level = 0 works and defines the texture.
-	glCopyTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, 0, 0, 1, 1, 0);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-// Test glCopyTexSubImage with rectangle textures (ES3)
-TEST_F(SwiftShaderTest, TextureRectangle_CopyTexSubImage)
-{
-	Initialize(3, false);
-
-	GLuint tex = 1;
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
-	unsigned char black[4] = { 0, 0, 0, 255 };
-	glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, black);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	glClearColor(0, 1, 0, 1);
-	glClear(GL_COLOR_BUFFER_BIT);
-	EXPECT_NO_GL_ERROR();
-
-	// Error case: level != 0
-	glCopyTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, 0, 0, 0, 0, 1, 1);
-	EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
-
-	// level = 0 works and defines the texture.
-	glCopyTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, 0, 0, 1, 1);
-	EXPECT_NO_GL_ERROR();
-
-	GLuint fbo = 1;
-	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
-
-	unsigned char green[4] = { 0, 255, 0, 255 };
-	expectFramebufferColor(green);
-	EXPECT_NO_GL_ERROR();
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, BlitTest)
-{
-	Initialize(3, false);
-
-	GLuint fbos[] = { 0, 0 };
-	glGenFramebuffers(2, fbos);
-
-	glBindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
-	glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
-
-	GLuint textures[] = { 0, 0 };
-	glGenTextures(2, textures);
-
-	glBindTexture(GL_TEXTURE_2D, textures[0]);
-	unsigned char red[4][4] = {
-		{ 255, 0, 0, 255 },
-		{ 255, 0, 0, 255 },
-		{ 255, 0, 0, 255 },
-		{ 255, 0, 0, 255 }
-	};
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, red);
-	EXPECT_NO_GL_ERROR();
-
-	glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textures[0], 0);
-	EXPECT_NO_GL_ERROR();
-
-	glBindTexture(GL_TEXTURE_2D, textures[1]);
-	unsigned char black[4][4] = {
-		{ 0, 0, 0, 255 },
-		{ 0, 0, 0, 255 },
-		{ 0, 0, 0, 255 },
-		{ 0, 0, 0, 255 }
-	};
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, black);
-	EXPECT_NO_GL_ERROR();
-	glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textures[1], 0);
-
-	// Test that glBlitFramebuffer works as expected for the normal case.
-	glBlitFramebuffer(0, 0, 1, 1, 0, 0, 1, 1, GL_COLOR_BUFFER_BIT, GL_NEAREST);
-	EXPECT_NO_GL_ERROR();
-	EXPECT_EQ(red[0][1], black[0][1]);
-
-	// Check that glBlitFramebuffer doesn't crash with ugly input.
-	const int big = (int)2e9;
-	const int small = 200;
-	const int neg_small = -small;
-	const int neg_big = -big;
-	int max = 0x7fffffff;
-	int data[][8] = {
-		// sx0, sy0, sx1, sy1, dx0, dy0, dx1, dy1
-		{ 0, 0, 0, 0, 0, 0, 0, 0 },
-		{ -1, -1, -1, -1, -1, -1, -1, -1 },
-		{ 1, 1, 1, 1, 1, 1, 1, 1 },
-		{ -1, -1, 1, 1, -1, -1, 1, 1 },
-		{ 0, 0, 127, (int)2e9, 10, 10, 200, 200 },
-		{ -2, -2, 127, 2147483470, 10, 10, 200, 200 },
-		{ big, small, small, big, big, big, small, small },
-		{ neg_small, small, neg_small, neg_small, neg_small, big, small },
-		{ big, big - 1, big - 2, big - 3, big - 4, big - 5, big - 6, big - 7 },
-		{ big, neg_big, neg_big, big, small, big, 0, neg_small },
-		{ 323479648, 21931, 1769809195, 32733, 0, 0, -161640504, 32766 },
-		{ 0, 0, max, max, 0, 0, 8, 8 },
-		{ 0, 0, 8, 8, 0, 0, max, max },
-		{ 0, 0, max, max, 0, 0, max, max },
-		{ -1, -1, max, max, 0, 0, 8, 8 },
-		{ 0, 0, 8, 8, -1, -1, max, max },
-		{ -1, -1, max, max, -1, -1, max, max },
-		{ -max - 1, -max - 1, max, max, -max - 1, -max - 1, max, max }
-	};
-
-	for(int i = 0; i < (int)(sizeof(data) / sizeof(data[0])); i++)
-	{
-		glBlitFramebuffer(
-		    data[i][0], data[i][1], data[i][2], data[i][3],
-		    data[i][4], data[i][5], data[i][6], data[i][7],
-		    GL_COLOR_BUFFER_BIT, GL_NEAREST);
-		// Ignore error state, just make sure that we don't crash on these inputs.
-	}
-
-	// Clear the error state before uninitializing test.
-	glGetError();
-
-	glDeleteFramebuffers(2, fbos);
-	glDeleteTextures(2, textures);
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, InvalidEnum_TexImage2D)
-{
-	Initialize(3, false);
-
-	const GLenum invalidTarget = GL_TEXTURE_3D;
-
-	glTexImage2D(invalidTarget, 0, GL_R11F_G11F_B10F, 256, 256, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, nullptr);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	float pixels[3] = { 0.0f, 0.0f, 0.0f };
-	glTexSubImage2D(invalidTarget, 0, 0, 0, 1, 1, GL_RGB, GL_FLOAT, pixels);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	glCopyTexImage2D(invalidTarget, 0, GL_RGB, 2, 6, 8, 8, 0);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	glCopyTexSubImage2D(invalidTarget, 0, 0, 0, 0, 0, 1, 1);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	const char data[128] = { 0 };
-	glCompressedTexImage2D(invalidTarget, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16, 0, 128, data);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	glCompressedTexSubImage2D(invalidTarget, 0, 0, 0, 0, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0, 0);
-	EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
-
-	Uninitialize();
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_DeepNestedIfs)
-{
-	std::string body = "return 1.0;";
-	for(int i = 0; i < 16; i++)
-	{
-		body = "  if (f > " + std::to_string(i * 0.1f) + ") {\n" + body + "}\n";
-	}
-
-	checkCompiles(
-	    "float F(float f) {\n" + body + "  return 0.0f;\n}\n");
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_DeepNestedSwitches)
-{
-	std::string body = "return 1.0;";
-	for(int i = 0; i < 16; i++)
-	{
-		body = "  switch (int(f)) {\n case 1:\n  f *= 2.0;\n" + body + "}\n";
-	}
-
-	checkCompiles("float F(float f) {\n" + body + "  return 0.0f;\n}\n");
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_DeepNestedLoops)
-{
-	std::string loops = "f = f + f * 2.0;";
-	for(int i = 0; i < 16; i++)
-	{
-		auto it = "l" + std::to_string(i);
-		loops = "  for (int " + it + " = 0; " + it + " < i; " + it + "++) {\n" + loops + "}\n";
-	}
-
-	checkCompiles(
-	    "float F(float f) {\n"
-	    "  int i = (f > 0.0) ? 1 : 0;\n" +
-	    loops +
-	    "  return f;\n"
-	    "}\n");
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_DeepNestedCalls)
-{
-	std::string funcs = "float E(float f) { return f * 2.0f; }\n";
-	std::string last = "E";
-	for(int i = 0; i < 16; i++)
-	{
-		std::string f = "C" + std::to_string(i);
-		funcs += "float " + f + "(float f) { return " + last + "(f) + 1.0f; }\n";
-		last = f;
-	}
-
-	checkCompiles(funcs +
-	              "float F(float f) { return " + last + "(f); }\n");
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_ManyCallSites)
-{
-	std::string calls;
-	for(int i = 0; i < 256; i++)
-	{
-		calls += "  f += C(f);\n";
-	}
-
-	checkCompiles(
-	    "float C(float f) { return f * 2.0f; }\n"
-	    "float F(float f) {\n" +
-	    calls + "  return f;\n}\n");
-}
-
-TEST_F(SwiftShaderTest, CompilerLimits_DeepNestedCallsInUnusedFunction)
-{
-	std::string funcs = "float E(float f) { return f * 2.0f; }\n";
-	std::string last = "E";
-	for(int i = 0; i < 16; i++)
-	{
-		std::string f = "C" + std::to_string(i);
-		funcs += "float " + f + "(float f) { return " + last + "(f) + 1.0f; }\n";
-		last = f;
-	}
-
-	checkCompiles(funcs +
-	              "float F(float f) { return f; }\n");
-}
-
-// Test that the compiler correctly handles functions being stripped.
-// The frontend will strip the Dead functions, but may keep the their function
-// labels reserved. This produces labels that are greater than the number of
-// live functions.
-TEST_F(SwiftShaderTest, CompilerLimits_SparseLabels)
-{
-	checkCompiles(
-	    R"(void Dead1() {}
-		void Dead2() {}
-		void Dead3() {}
-		void Dead4() {}
-		void Dead5() { Dead1(); Dead2(); Dead3(); Dead4(); }
-		float F(float f) { for(int i = 0; i < -1; ++i) { Dead5(); } return f; })");
-}
-
-// Test that the compiler doesn't compile arrays larger than
-// GL_MAX_{VERTEX/FRAGMENT}_UNIFORM_VECTOR.
-TEST_F(SwiftShaderTest, CompilerLimits_ArraySize)
-{
-	checkCompileFails(
-	    R"(uniform float u_var[100000000];
-		float F(float f) { return u_var[2]; })");
-	checkCompileFails(
-	    R"(struct structType { mediump sampler2D m0; mediump samplerCube m1; };
-		uniform structType u_var[100000000];
-		float F(float f) { return texture(u_var[2].m1, vec3(0.0)), vec4(0.26, 1.72, 0.60, 0.12).x; })");
-}
-
-// Test that the compiler rejects negations of things that can't be negated.
-TEST_F(SwiftShaderTest, BadNegation)
-{
-	checkCompileFails(
-	    R"(uniform samplerCube m;
-		float F (float f) { vec4 ret = texture(-m, vec3(f)); return ret.x; })");
-	checkCompileFails(
-	    R"(uniform sampler2D m[9];
-		vec4 G (sampler2D X[9]) { return texture(X[0], vec2(0.0f)); }
-		float F (float f) { vec4 ret = G(-m); return ret.x; })");
-	checkCompileFails(
-	    R"(struct structType { int a; float b; };
-		uniform structType m;
-		float F (float f) { structType n = -m; return f; })");
-	checkCompileFails(
-	    R"(struct structType { int a; float b; };
-		uniform structType m[4];
-		float F (float f) { structType n[4] = -m; return f; })");
-	checkCompileFails(
-	    R"(uniform float m[4];
-		float G (float f[4]) { return f[0]; }
-		float F (float f) { return G(-m); })");
-}
-
-TEST_F(SwiftShaderTest, SwitchDefaultOnly)
-{
-	checkCompiles(R"(
-		float F (float f) {
-			switch (0u) {
-			default:
-				return -f;
-			}
-			return f;
-		})");
-}
-
-#ifndef EGL_ANGLE_iosurface_client_buffer
-#	define EGL_ANGLE_iosurface_client_buffer 1
-#	define EGL_IOSURFACE_ANGLE 0x3454
-#	define EGL_IOSURFACE_PLANE_ANGLE 0x345A
-#	define EGL_TEXTURE_RECTANGLE_ANGLE 0x345B
-#	define EGL_TEXTURE_TYPE_ANGLE 0x345C
-#	define EGL_TEXTURE_INTERNAL_FORMAT_ANGLE 0x345D
-#endif /* EGL_ANGLE_iosurface_client_buffer */
-
-#if defined(__APPLE__)
-#	include <CoreFoundation/CoreFoundation.h>
-#	include <IOSurface/IOSurface.h>
-
-namespace {
-void AddIntegerValue(CFMutableDictionaryRef dictionary, const CFStringRef key, int32_t value)
-{
-	CFNumberRef number = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value);
-	CFDictionaryAddValue(dictionary, key, number);
-	CFRelease(number);
-}
-}  // anonymous namespace
-
-class EGLClientBufferWrapper
-{
-public:
-	EGLClientBufferWrapper(int width = 1, int height = 1)
-	{
-		// Create a 1 by 1 BGRA8888 IOSurface
-		ioSurface = nullptr;
-
-		CFMutableDictionaryRef dict = CFDictionaryCreateMutable(
-		    kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-		AddIntegerValue(dict, kIOSurfaceWidth, width);
-		AddIntegerValue(dict, kIOSurfaceHeight, height);
-		AddIntegerValue(dict, kIOSurfacePixelFormat, 'BGRA');
-		AddIntegerValue(dict, kIOSurfaceBytesPerElement, 4);
-
-		ioSurface = IOSurfaceCreate(dict);
-		CFRelease(dict);
-
-		EXPECT_NE(nullptr, ioSurface);
-	}
-
-	~EGLClientBufferWrapper()
-	{
-		IOSurfaceUnlock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
-
-		CFRelease(ioSurface);
-	}
-
-	EGLClientBuffer getClientBuffer() const
-	{
-		return ioSurface;
-	}
-
-	const unsigned char *lockColor()
-	{
-		IOSurfaceLock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
-		return reinterpret_cast<const unsigned char *>(IOSurfaceGetBaseAddress(ioSurface));
-	}
-
-	void unlockColor()
-	{
-		IOSurfaceUnlock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
-	}
-
-	void writeColor(void *data, size_t dataSize)
-	{
-		// Write the data to the IOSurface
-		IOSurfaceLock(ioSurface, 0, nullptr);
-		memcpy(IOSurfaceGetBaseAddress(ioSurface), data, dataSize);
-		IOSurfaceUnlock(ioSurface, 0, nullptr);
-	}
-
-private:
-	IOSurfaceRef ioSurface;
-};
-
-#else  // __APPLE__
-
-class EGLClientBufferWrapper
-{
-public:
-	EGLClientBufferWrapper(int width = 1, int height = 1)
-	{
-		clientBuffer = new unsigned char[4 * width * height];
-	}
-
-	~EGLClientBufferWrapper()
-	{
-		delete[] clientBuffer;
-	}
-
-	EGLClientBuffer getClientBuffer() const
-	{
-		return clientBuffer;
-	}
-
-	const unsigned char *lockColor()
-	{
-		return clientBuffer;
-	}
-
-	void unlockColor()
-	{
-	}
-
-	void writeColor(void *data, size_t dataSize)
-	{
-		memcpy(clientBuffer, data, dataSize);
-	}
-
-private:
-	unsigned char *clientBuffer;
-};
-
-#endif
-
-class IOSurfaceClientBufferTest : public SwiftShaderTest
-{
-protected:
-	EGLSurface createIOSurfacePbuffer(EGLClientBuffer buffer, EGLint width, EGLint height, EGLint plane, GLenum internalFormat, GLenum type) const
-	{
-		// Make a PBuffer from it using the EGL_ANGLE_iosurface_client_buffer extension
-		const EGLint attribs[] = {
-			EGL_WIDTH,
-			width,
-			EGL_HEIGHT,
-			height,
-			EGL_IOSURFACE_PLANE_ANGLE,
-			plane,
-			EGL_TEXTURE_TARGET,
-			EGL_TEXTURE_RECTANGLE_ANGLE,
-			EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-			(EGLint)internalFormat,
-			EGL_TEXTURE_FORMAT,
-			EGL_TEXTURE_RGBA,
-			EGL_TEXTURE_TYPE_ANGLE,
-			(EGLint)type,
-			EGL_NONE,
-			EGL_NONE,
-		};
-
-		EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, buffer, getConfig(), attribs);
-		EXPECT_NE(EGL_NO_SURFACE, pbuffer);
-		return pbuffer;
-	}
-
-	void bindIOSurfaceToTexture(EGLClientBuffer buffer, EGLint width, EGLint height, EGLint plane, GLenum internalFormat, GLenum type, EGLSurface *pbuffer, GLuint *texture) const
-	{
-		*pbuffer = createIOSurfacePbuffer(buffer, width, height, plane, internalFormat, type);
-
-		// Bind the pbuffer
-		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, *texture);
-		EGLBoolean result = eglBindTexImage(getDisplay(), *pbuffer, EGL_BACK_BUFFER);
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-		EXPECT_NO_EGL_ERROR();
-	}
-
-	void doClear(GLenum internalFormat, bool clearToZero)
-	{
-		if(internalFormat == GL_R16UI)
-		{
-			GLuint color = clearToZero ? 0 : 257;
-			glClearBufferuiv(GL_COLOR, 0, &color);
-			EXPECT_NO_GL_ERROR();
-		}
-		else
-		{
-			glClearColor(clearToZero ? 0.0f : 1.0f / 255.0f,
-			             clearToZero ? 0.0f : 2.0f / 255.0f,
-			             clearToZero ? 0.0f : 3.0f / 255.0f,
-			             clearToZero ? 0.0f : 4.0f / 255.0f);
-			EXPECT_NO_GL_ERROR();
-			glClear(GL_COLOR_BUFFER_BIT);
-			EXPECT_NO_GL_ERROR();
-		}
-	}
-
-	void doClearTest(EGLClientBufferWrapper &clientBufferWrapper, GLenum internalFormat, GLenum type, void *data, size_t dataSize)
-	{
-		ASSERT_TRUE(dataSize <= 4);
-
-		// Bind the IOSurface to a texture and clear it.
-		GLuint texture = 1;
-		EGLSurface pbuffer;
-		bindIOSurfaceToTexture(clientBufferWrapper.getClientBuffer(), 1, 1, 0, internalFormat, type, &pbuffer, &texture);
-
-		// glClear the pbuffer
-		GLuint fbo = 2;
-		glBindFramebuffer(GL_FRAMEBUFFER, fbo);
-		EXPECT_NO_GL_ERROR();
-		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, texture, 0);
-		EXPECT_NO_GL_ERROR();
-		EXPECT_GLENUM_EQ(glCheckFramebufferStatus(GL_FRAMEBUFFER), GL_FRAMEBUFFER_COMPLETE);
-		EXPECT_NO_GL_ERROR();
-
-		doClear(internalFormat, false);
-
-		// Unbind pbuffer and check content.
-		EGLBoolean result = eglReleaseTexImage(getDisplay(), pbuffer, EGL_BACK_BUFFER);
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-		EXPECT_NO_EGL_ERROR();
-
-		const unsigned char *color = clientBufferWrapper.lockColor();
-		for(size_t i = 0; i < dataSize; ++i)
-		{
-			EXPECT_EQ(color[i], reinterpret_cast<unsigned char *>(data)[i]);
-		}
-
-		result = eglDestroySurface(getDisplay(), pbuffer);
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-		EXPECT_NO_EGL_ERROR();
-	}
-
-	void doSampleTest(EGLClientBufferWrapper &clientBufferWrapper, GLenum internalFormat, GLenum type, void *data, size_t dataSize)
-	{
-		ASSERT_TRUE(dataSize <= 4);
-
-		clientBufferWrapper.writeColor(data, dataSize);
-
-		// Bind the IOSurface to a texture and clear it.
-		GLuint texture = 1;
-		EGLSurface pbuffer;
-		bindIOSurfaceToTexture(clientBufferWrapper.getClientBuffer(), 1, 1, 0, internalFormat, type, &pbuffer, &texture);
-
-		doClear(internalFormat, true);
-
-		// Create program and draw quad using it
-		const std::string vs =
-		    R"(attribute vec4 position;
-			void main()
-			{
-			    gl_Position = vec4(position.xy, 0.0, 1.0);
-			})";
-
-		const std::string fs =
-		    R"(#extension GL_ARB_texture_rectangle : require
-			precision mediump float;
-			uniform sampler2DRect tex;
-			void main()
-			{
-			    gl_FragColor = texture2DRect(tex, vec2(0, 0));
-			})";
-
-		const ProgramHandles ph = createProgram(vs, fs);
-
-		drawQuad(ph.program, "tex");
-
-		deleteProgram(ph);
-		EXPECT_NO_GL_ERROR();
-
-		// Unbind pbuffer and check content.
-		EGLBoolean result = eglReleaseTexImage(getDisplay(), pbuffer, EGL_BACK_BUFFER);
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-		EXPECT_NO_EGL_ERROR();
-
-		const unsigned char *color = clientBufferWrapper.lockColor();
-		for(size_t i = 0; i < dataSize; ++i)
-		{
-			EXPECT_EQ(color[i], reinterpret_cast<unsigned char *>(data)[i]);
-		}
-		clientBufferWrapper.unlockColor();
-	}
-};
-
-// Tests for the EGL_ANGLE_iosurface_client_buffer extension
-TEST_F(IOSurfaceClientBufferTest, RenderToBGRA8888IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[4] = { 3, 2, 1, 4 };
-		doClearTest(clientBufferWrapper, GL_BGRA_EXT, GL_UNSIGNED_BYTE, data, 4);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test reading from BGRA8888 IOSurfaces
-TEST_F(IOSurfaceClientBufferTest, ReadFromBGRA8888IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[4] = { 3, 2, 1, 4 };
-		doSampleTest(clientBufferWrapper, GL_BGRA_EXT, GL_UNSIGNED_BYTE, data, 4);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test using RGBX8888 IOSurfaces for rendering
-TEST_F(IOSurfaceClientBufferTest, RenderToRGBX8888IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[3] = { 1, 2, 3 };
-		doClearTest(clientBufferWrapper, GL_RGB, GL_UNSIGNED_BYTE, data, 3);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test reading from RGBX8888 IOSurfaces
-TEST_F(IOSurfaceClientBufferTest, ReadFromRGBX8888IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[3] = { 1, 2, 3 };
-		doSampleTest(clientBufferWrapper, GL_RGB, GL_UNSIGNED_BYTE, data, 3);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test using RG88 IOSurfaces for rendering
-TEST_F(IOSurfaceClientBufferTest, RenderToRG88IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[2] = { 1, 2 };
-		doClearTest(clientBufferWrapper, GL_RG, GL_UNSIGNED_BYTE, data, 2);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test reading from RG88 IOSurfaces
-TEST_F(IOSurfaceClientBufferTest, ReadFromRG88IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[2] = { 1, 2 };
-		doSampleTest(clientBufferWrapper, GL_RG, GL_UNSIGNED_BYTE, data, 2);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test using R8 IOSurfaces for rendering
-TEST_F(IOSurfaceClientBufferTest, RenderToR8IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[1] = { 1 };
-		doClearTest(clientBufferWrapper, GL_RED, GL_UNSIGNED_BYTE, data, 1);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test reading from R8 IOSurfaces
-TEST_F(IOSurfaceClientBufferTest, ReadFromR8IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		unsigned char data[1] = { 1 };
-		doSampleTest(clientBufferWrapper, GL_RED, GL_UNSIGNED_BYTE, data, 1);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test using R16 IOSurfaces for rendering
-TEST_F(IOSurfaceClientBufferTest, RenderToR16IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		uint16_t data[1] = { 257 };
-		doClearTest(clientBufferWrapper, GL_R16UI, GL_UNSIGNED_SHORT, data, 2);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test reading from R8 IOSurfaces
-TEST_F(IOSurfaceClientBufferTest, ReadFromR16IOSurface)
-{
-	Initialize(3, false);
-
-	{  // EGLClientBufferWrapper scope
-		EGLClientBufferWrapper clientBufferWrapper;
-		uint16_t data[1] = { 257 };
-		doSampleTest(clientBufferWrapper, GL_R16UI, GL_UNSIGNED_SHORT, data, 1);
-	}  // end of EGLClientBufferWrapper scope
-
-	Uninitialize();
-}
-
-// Test the validation errors for missing attributes for eglCreatePbufferFromClientBuffer with
-// IOSurface
-TEST_F(IOSurfaceClientBufferTest, NegativeValidationMissingAttributes)
-{
-	Initialize(3, false);
-
-	{
-		EGLClientBufferWrapper clientBufferWrapper(10, 10);
-
-		// Success case
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_NE(EGL_NO_SURFACE, pbuffer);
-
-			EGLBoolean result = eglDestroySurface(getDisplay(), pbuffer);
-			EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-			EXPECT_NO_EGL_ERROR();
-		}
-
-		// Missing EGL_WIDTH
-		{
-			const EGLint attribs[] = {
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
-		}
-
-		// Missing EGL_HEIGHT
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
-		}
-
-		// Missing EGL_IOSURFACE_PLANE_ANGLE
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
-		}
-
-		// Missing EGL_TEXTURE_TARGET - EGL_BAD_MATCH from the base spec of
-		// eglCreatePbufferFromClientBuffer
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_MATCH, eglGetError());
-		}
-
-		// Missing EGL_TEXTURE_INTERNAL_FORMAT_ANGLE
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
-		}
-
-		// Missing EGL_TEXTURE_FORMAT - EGL_BAD_MATCH from the base spec of
-		// eglCreatePbufferFromClientBuffer
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_MATCH, eglGetError());
-		}
-
-		// Missing EGL_TEXTURE_TYPE_ANGLE
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
-		}
-	}
-
-	Uninitialize();
-}
-
-// Test the validation errors for bad parameters for eglCreatePbufferFromClientBuffer with IOSurface
-TEST_F(IOSurfaceClientBufferTest, NegativeValidationBadAttributes)
-{
-	Initialize(3, false);
-
-	{
-		EGLClientBufferWrapper clientBufferWrapper(10, 10);
-
-		// Success case
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_NE(EGL_NO_SURFACE, pbuffer);
-
-			EGLBoolean result = eglDestroySurface(getDisplay(), pbuffer);
-			EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-			EXPECT_NO_EGL_ERROR();
-		}
-
-		// EGL_TEXTURE_FORMAT must be EGL_TEXTURE_RGBA
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGB,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// EGL_WIDTH must be at least 1
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				0,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// EGL_HEIGHT must be at least 1
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				0,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-#if defined(__APPLE__)
-		// EGL_WIDTH must be at most the width of the IOSurface
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				11,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// EGL_HEIGHT must be at most the height of the IOSurface
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				11,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// EGL_IOSURFACE_PLANE_ANGLE must less than the number of planes of the IOSurface
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				1,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-#endif
-
-		// EGL_TEXTURE_FORMAT must be at EGL_TEXTURE_RECTANGLE_ANGLE
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_2D,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// EGL_IOSURFACE_PLANE_ANGLE must be at least 0
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				-1,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_BGRA_EXT,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-
-		// The internal format / type most be listed in the table
-		{
-			const EGLint attribs[] = {
-				EGL_WIDTH,
-				10,
-				EGL_HEIGHT,
-				10,
-				EGL_IOSURFACE_PLANE_ANGLE,
-				0,
-				EGL_TEXTURE_TARGET,
-				EGL_TEXTURE_RECTANGLE_ANGLE,
-				EGL_TEXTURE_INTERNAL_FORMAT_ANGLE,
-				GL_RGBA,
-				EGL_TEXTURE_FORMAT,
-				EGL_TEXTURE_RGBA,
-				EGL_TEXTURE_TYPE_ANGLE,
-				GL_UNSIGNED_BYTE,
-				EGL_NONE,
-				EGL_NONE,
-			};
-
-			EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
-			EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
-			EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
-		}
-	}
-
-	Uninitialize();
-}
-
-// Test IOSurface pbuffers can be made current
-TEST_F(IOSurfaceClientBufferTest, MakeCurrentAllowed)
-{
-	Initialize(3, false);
-
-	{
-		EGLClientBufferWrapper clientBufferWrapper(10, 10);
-
-		EGLSurface pbuffer = createIOSurfacePbuffer(clientBufferWrapper.getClientBuffer(), 10, 10, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE);
-
-		EGLBoolean result = eglMakeCurrent(getDisplay(), pbuffer, pbuffer, getContext());
-		EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
-		EXPECT_NO_EGL_ERROR();
-	}
-
-	Uninitialize();
-}