Add m-esr52 at 52.6.0

1 files changed, 2961 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/Program.cpp b/gfx/angle/src/libANGLE/Program.cpp
new file mode 100755
index 000000000..06d8d1534
--- /dev/null
+++ b/gfx/angle/src/libANGLE/Program.cpp
@@ -0,0 +1,2961 @@
+//
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Program.cpp: Implements the gl::Program class. Implements GL program objects
+// and related functionality. [OpenGL ES 2.0.24] section 2.10.3 page 28.
+
+#include "libANGLE/Program.h"
+
+#include <algorithm>
+
+#include "common/BitSetIterator.h"
+#include "common/debug.h"
+#include "common/platform.h"
+#include "common/utilities.h"
+#include "common/version.h"
+#include "compiler/translator/blocklayout.h"
+#include "libANGLE/ContextState.h"
+#include "libANGLE/ResourceManager.h"
+#include "libANGLE/features.h"
+#include "libANGLE/renderer/GLImplFactory.h"
+#include "libANGLE/renderer/ProgramImpl.h"
+#include "libANGLE/queryconversions.h"
+#include "libANGLE/Uniform.h"
+
+namespace gl
+{
+
+namespace
+{
+
+void WriteShaderVar(BinaryOutputStream *stream, const sh::ShaderVariable &var)
+{
+    stream->writeInt(var.type);
+    stream->writeInt(var.precision);
+    stream->writeString(var.name);
+    stream->writeString(var.mappedName);
+    stream->writeInt(var.arraySize);
+    stream->writeInt(var.staticUse);
+    stream->writeString(var.structName);
+    ASSERT(var.fields.empty());
+}
+
+void LoadShaderVar(BinaryInputStream *stream, sh::ShaderVariable *var)
+{
+    var->type       = stream->readInt<GLenum>();
+    var->precision  = stream->readInt<GLenum>();
+    var->name       = stream->readString();
+    var->mappedName = stream->readString();
+    var->arraySize  = stream->readInt<unsigned int>();
+    var->staticUse  = stream->readBool();
+    var->structName = stream->readString();
+}
+
+// This simplified cast function doesn't need to worry about advanced concepts like
+// depth range values, or casting to bool.
+template <typename DestT, typename SrcT>
+DestT UniformStateQueryCast(SrcT value);
+
+// From-Float-To-Integer Casts
+template <>
+GLint UniformStateQueryCast(GLfloat value)
+{
+    return clampCast<GLint>(roundf(value));
+}
+
+template <>
+GLuint UniformStateQueryCast(GLfloat value)
+{
+    return clampCast<GLuint>(roundf(value));
+}
+
+// From-Integer-to-Integer Casts
+template <>
+GLint UniformStateQueryCast(GLuint value)
+{
+    return clampCast<GLint>(value);
+}
+
+template <>
+GLuint UniformStateQueryCast(GLint value)
+{
+    return clampCast<GLuint>(value);
+}
+
+// From-Boolean-to-Anything Casts
+template <>
+GLfloat UniformStateQueryCast(GLboolean value)
+{
+    return (value == GL_TRUE ? 1.0f : 0.0f);
+}
+
+template <>
+GLint UniformStateQueryCast(GLboolean value)
+{
+    return (value == GL_TRUE ? 1 : 0);
+}
+
+template <>
+GLuint UniformStateQueryCast(GLboolean value)
+{
+    return (value == GL_TRUE ? 1u : 0u);
+}
+
+// Default to static_cast
+template <typename DestT, typename SrcT>
+DestT UniformStateQueryCast(SrcT value)
+{
+    return static_cast<DestT>(value);
+}
+
+template <typename SrcT, typename DestT>
+void UniformStateQueryCastLoop(DestT *dataOut, const uint8_t *srcPointer, int components)
+{
+    for (int comp = 0; comp < components; ++comp)
+    {
+        // We only work with strides of 4 bytes for uniform components. (GLfloat/GLint)
+        // Don't use SrcT stride directly since GLboolean has a stride of 1 byte.
+        size_t offset               = comp * 4;
+        const SrcT *typedSrcPointer = reinterpret_cast<const SrcT *>(&srcPointer[offset]);
+        dataOut[comp]               = UniformStateQueryCast<DestT>(*typedSrcPointer);
+    }
+}
+
+bool UniformInList(const std::vector<LinkedUniform> &list, const std::string &name)
+{
+    for (const LinkedUniform &uniform : list)
+    {
+        if (uniform.name == name)
+            return true;
+    }
+
+    return false;
+}
+
+}  // anonymous namespace
+
+const char *const g_fakepath = "C:\\fakepath";
+
+InfoLog::InfoLog()
+{
+}
+
+InfoLog::~InfoLog()
+{
+}
+
+size_t InfoLog::getLength() const
+{
+    const std::string &logString = mStream.str();
+    return logString.empty() ? 0 : logString.length() + 1;
+}
+
+void InfoLog::getLog(GLsizei bufSize, GLsizei *length, char *infoLog) const
+{
+    size_t index = 0;
+
+    if (bufSize > 0)
+    {
+        const std::string str(mStream.str());
+
+        if (!str.empty())
+        {
+            index = std::min(static_cast<size_t>(bufSize) - 1, str.length());
+            memcpy(infoLog, str.c_str(), index);
+        }
+
+        infoLog[index] = '\0';
+    }
+
+    if (length)
+    {
+        *length = static_cast<GLsizei>(index);
+    }
+}
+
+// append a santized message to the program info log.
+// The D3D compiler includes a fake file path in some of the warning or error
+// messages, so lets remove all occurrences of this fake file path from the log.
+void InfoLog::appendSanitized(const char *message)
+{
+    std::string msg(message);
+
+    size_t found;
+    do
+    {
+        found = msg.find(g_fakepath);
+        if (found != std::string::npos)
+        {
+            msg.erase(found, strlen(g_fakepath));
+        }
+    }
+    while (found != std::string::npos);
+
+    mStream << message << std::endl;
+}
+
+void InfoLog::reset()
+{
+}
+
+VariableLocation::VariableLocation() : name(), element(0), index(0), used(false), ignored(false)
+{
+}
+
+VariableLocation::VariableLocation(const std::string &name,
+                                   unsigned int element,
+                                   unsigned int index)
+    : name(name), element(element), index(index), used(true), ignored(false)
+{
+}
+
+void Program::Bindings::bindLocation(GLuint index, const std::string &name)
+{
+    mBindings[name] = index;
+}
+
+int Program::Bindings::getBinding(const std::string &name) const
+{
+    auto iter = mBindings.find(name);
+    return (iter != mBindings.end()) ? iter->second : -1;
+}
+
+Program::Bindings::const_iterator Program::Bindings::begin() const
+{
+    return mBindings.begin();
+}
+
+Program::Bindings::const_iterator Program::Bindings::end() const
+{
+    return mBindings.end();
+}
+
+ProgramState::ProgramState()
+    : mLabel(),
+      mAttachedFragmentShader(nullptr),
+      mAttachedVertexShader(nullptr),
+      mAttachedComputeShader(nullptr),
+      mTransformFeedbackBufferMode(GL_INTERLEAVED_ATTRIBS),
+      mBinaryRetrieveableHint(false)
+{
+    mComputeShaderLocalSize.fill(1);
+}
+
+ProgramState::~ProgramState()
+{
+    if (mAttachedVertexShader != nullptr)
+    {
+        mAttachedVertexShader->release();
+    }
+
+    if (mAttachedFragmentShader != nullptr)
+    {
+        mAttachedFragmentShader->release();
+    }
+
+    if (mAttachedComputeShader != nullptr)
+    {
+        mAttachedComputeShader->release();
+    }
+}
+
+const std::string &ProgramState::getLabel()
+{
+    return mLabel;
+}
+
+const LinkedUniform *ProgramState::getUniformByName(const std::string &name) const
+{
+    for (const LinkedUniform &linkedUniform : mUniforms)
+    {
+        if (linkedUniform.name == name)
+        {
+            return &linkedUniform;
+        }
+    }
+
+    return nullptr;
+}
+
+GLint ProgramState::getUniformLocation(const std::string &name) const
+{
+    size_t subscript     = GL_INVALID_INDEX;
+    std::string baseName = gl::ParseUniformName(name, &subscript);
+
+    for (size_t location = 0; location < mUniformLocations.size(); ++location)
+    {
+        const VariableLocation &uniformLocation = mUniformLocations[location];
+        if (!uniformLocation.used)
+        {
+            continue;
+        }
+
+        const LinkedUniform &uniform = mUniforms[uniformLocation.index];
+
+        if (uniform.name == baseName)
+        {
+            if (uniform.isArray())
+            {
+                if (uniformLocation.element == subscript ||
+                    (uniformLocation.element == 0 && subscript == GL_INVALID_INDEX))
+                {
+                    return static_cast<GLint>(location);
+                }
+            }
+            else
+            {
+                if (subscript == GL_INVALID_INDEX)
+                {
+                    return static_cast<GLint>(location);
+                }
+            }
+        }
+    }
+
+    return -1;
+}
+
+GLuint ProgramState::getUniformIndex(const std::string &name) const
+{
+    size_t subscript     = GL_INVALID_INDEX;
+    std::string baseName = gl::ParseUniformName(name, &subscript);
+
+    // The app is not allowed to specify array indices other than 0 for arrays of basic types
+    if (subscript != 0 && subscript != GL_INVALID_INDEX)
+    {
+        return GL_INVALID_INDEX;
+    }
+
+    for (size_t index = 0; index < mUniforms.size(); index++)
+    {
+        const LinkedUniform &uniform = mUniforms[index];
+        if (uniform.name == baseName)
+        {
+            if (uniform.isArray() || subscript == GL_INVALID_INDEX)
+            {
+                return static_cast<GLuint>(index);
+            }
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+Program::Program(rx::GLImplFactory *factory, ResourceManager *manager, GLuint handle)
+    : mProgram(factory->createProgram(mState)),
+      mValidated(false),
+      mLinked(false),
+      mDeleteStatus(false),
+      mRefCount(0),
+      mResourceManager(manager),
+      mHandle(handle),
+      mSamplerUniformRange(0, 0)
+{
+    ASSERT(mProgram);
+
+    resetUniformBlockBindings();
+    unlink();
+}
+
+Program::~Program()
+{
+    unlink(true);
+
+    SafeDelete(mProgram);
+}
+
+void Program::setLabel(const std::string &label)
+{
+    mState.mLabel = label;
+}
+
+const std::string &Program::getLabel() const
+{
+    return mState.mLabel;
+}
+
+void Program::attachShader(Shader *shader)
+{
+    switch (shader->getType())
+    {
+        case GL_VERTEX_SHADER:
+        {
+            ASSERT(!mState.mAttachedVertexShader);
+            mState.mAttachedVertexShader = shader;
+            mState.mAttachedVertexShader->addRef();
+            break;
+        }
+        case GL_FRAGMENT_SHADER:
+        {
+            ASSERT(!mState.mAttachedFragmentShader);
+            mState.mAttachedFragmentShader = shader;
+            mState.mAttachedFragmentShader->addRef();
+            break;
+        }
+        case GL_COMPUTE_SHADER:
+        {
+            ASSERT(!mState.mAttachedComputeShader);
+            mState.mAttachedComputeShader = shader;
+            mState.mAttachedComputeShader->addRef();
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+}
+
+bool Program::detachShader(Shader *shader)
+{
+    switch (shader->getType())
+    {
+        case GL_VERTEX_SHADER:
+        {
+            if (mState.mAttachedVertexShader != shader)
+            {
+                return false;
+            }
+
+            shader->release();
+            mState.mAttachedVertexShader = nullptr;
+            break;
+        }
+        case GL_FRAGMENT_SHADER:
+        {
+            if (mState.mAttachedFragmentShader != shader)
+            {
+                return false;
+            }
+
+            shader->release();
+            mState.mAttachedFragmentShader = nullptr;
+            break;
+        }
+        case GL_COMPUTE_SHADER:
+        {
+            if (mState.mAttachedComputeShader != shader)
+            {
+                return false;
+            }
+
+            shader->release();
+            mState.mAttachedComputeShader = nullptr;
+            break;
+        }
+        default:
+            UNREACHABLE();
+    }
+
+    return true;
+}
+
+int Program::getAttachedShadersCount() const
+{
+    return (mState.mAttachedVertexShader ? 1 : 0) + (mState.mAttachedFragmentShader ? 1 : 0) +
+           (mState.mAttachedComputeShader ? 1 : 0);
+}
+
+void Program::bindAttributeLocation(GLuint index, const char *name)
+{
+    mAttributeBindings.bindLocation(index, name);
+}
+
+void Program::bindUniformLocation(GLuint index, const char *name)
+{
+    // Bind the base uniform name only since array indices other than 0 cannot be bound
+    mUniformBindings.bindLocation(index, ParseUniformName(name, nullptr));
+}
+
+void Program::bindFragmentInputLocation(GLint index, const char *name)
+{
+    mFragmentInputBindings.bindLocation(index, name);
+}
+
+BindingInfo Program::getFragmentInputBindingInfo(GLint index) const
+{
+    BindingInfo ret;
+    ret.type  = GL_NONE;
+    ret.valid = false;
+
+    const Shader *fragmentShader = mState.getAttachedFragmentShader();
+    ASSERT(fragmentShader);
+
+    // Find the actual fragment shader varying we're interested in
+    const std::vector<sh::Varying> &inputs = fragmentShader->getVaryings();
+
+    for (const auto &binding : mFragmentInputBindings)
+    {
+        if (binding.second != static_cast<GLuint>(index))
+            continue;
+
+        ret.valid = true;
+
+        std::string originalName = binding.first;
+        unsigned int arrayIndex  = ParseAndStripArrayIndex(&originalName);
+
+        for (const auto &in : inputs)
+        {
+            if (in.name == originalName)
+            {
+                if (in.isArray())
+                {
+                    // The client wants to bind either "name" or "name[0]".
+                    // GL ES 3.1 spec refers to active array names with language such as:
+                    // "if the string identifies the base name of an active array, where the
+                    // string would exactly match the name of the variable if the suffix "[0]"
+                    // were appended to the string".
+                    if (arrayIndex == GL_INVALID_INDEX)
+                        arrayIndex = 0;
+
+                    ret.name = in.mappedName + "[" + ToString(arrayIndex) + "]";
+                }
+                else
+                {
+                    ret.name = in.mappedName;
+                }
+                ret.type = in.type;
+                return ret;
+            }
+        }
+    }
+
+    return ret;
+}
+
+void Program::pathFragmentInputGen(GLint index,
+                                   GLenum genMode,
+                                   GLint components,
+                                   const GLfloat *coeffs)
+{
+    // If the location is -1 then the command is silently ignored
+    if (index == -1)
+        return;
+
+    const auto &binding = getFragmentInputBindingInfo(index);
+
+    // If the input doesn't exist then then the command is silently ignored
+    // This could happen through optimization for example, the shader translator
+    // decides that a variable is not actually being used and optimizes it away.
+    if (binding.name.empty())
+        return;
+
+    mProgram->setPathFragmentInputGen(binding.name, genMode, components, coeffs);
+}
+
+// The attached shaders are checked for linking errors by matching up their variables.
+// Uniform, input and output variables get collected.
+// The code gets compiled into binaries.
+Error Program::link(const ContextState &data)
+{
+    unlink(false);
+
+    mInfoLog.reset();
+    resetUniformBlockBindings();
+
+    const Caps &caps = data.getCaps();
+
+    bool isComputeShaderAttached = (mState.mAttachedComputeShader != nullptr);
+    bool nonComputeShadersAttached =
+        (mState.mAttachedVertexShader != nullptr || mState.mAttachedFragmentShader != nullptr);
+    // Check whether we both have a compute and non-compute shaders attached.
+    // If there are of both types attached, then linking should fail.
+    // OpenGL ES 3.10, 7.3 Program Objects, under LinkProgram
+    if (isComputeShaderAttached == true && nonComputeShadersAttached == true)
+    {
+        mInfoLog << "Both a compute and non-compute shaders are attached to the same program.";
+        return NoError();
+    }
+
+    if (mState.mAttachedComputeShader)
+    {
+        if (!mState.mAttachedComputeShader->isCompiled())
+        {
+            mInfoLog << "Attached compute shader is not compiled.";
+            return NoError();
+        }
+        ASSERT(mState.mAttachedComputeShader->getType() == GL_COMPUTE_SHADER);
+
+        mState.mComputeShaderLocalSize = mState.mAttachedComputeShader->getWorkGroupSize();
+
+        // GLSL ES 3.10, 4.4.1.1 Compute Shader Inputs
+        // If the work group size is not specified, a link time error should occur.
+        if (!mState.mComputeShaderLocalSize.isDeclared())
+        {
+            mInfoLog << "Work group size is not specified.";
+            return NoError();
+        }
+
+        if (!linkUniforms(mInfoLog, caps, mUniformBindings))
+        {
+            return NoError();
+        }
+
+        if (!linkUniformBlocks(mInfoLog, caps))
+        {
+            return NoError();
+        }
+
+        ANGLE_TRY_RESULT(mProgram->link(data, mInfoLog), mLinked);
+        if (!mLinked)
+        {
+            return NoError();
+        }
+    }
+    else
+    {
+        if (!mState.mAttachedFragmentShader || !mState.mAttachedFragmentShader->isCompiled())
+        {
+            return NoError();
+        }
+        ASSERT(mState.mAttachedFragmentShader->getType() == GL_FRAGMENT_SHADER);
+
+        if (!mState.mAttachedVertexShader || !mState.mAttachedVertexShader->isCompiled())
+        {
+            return NoError();
+        }
+        ASSERT(mState.mAttachedVertexShader->getType() == GL_VERTEX_SHADER);
+
+        if (mState.mAttachedFragmentShader->getShaderVersion() !=
+            mState.mAttachedVertexShader->getShaderVersion())
+        {
+            mInfoLog << "Fragment shader version does not match vertex shader version.";
+            return NoError();
+        }
+
+        if (!linkAttributes(data, mInfoLog, mAttributeBindings, mState.mAttachedVertexShader))
+        {
+            return NoError();
+        }
+
+        if (!linkVaryings(mInfoLog, mState.mAttachedVertexShader, mState.mAttachedFragmentShader))
+        {
+            return NoError();
+        }
+
+        if (!linkUniforms(mInfoLog, caps, mUniformBindings))
+        {
+            return NoError();
+        }
+
+        if (!linkUniformBlocks(mInfoLog, caps))
+        {
+            return NoError();
+        }
+
+        const auto &mergedVaryings = getMergedVaryings();
+
+        if (!linkValidateTransformFeedback(mInfoLog, mergedVaryings, caps))
+        {
+            return NoError();
+        }
+
+        linkOutputVariables();
+
+        ANGLE_TRY_RESULT(mProgram->link(data, mInfoLog), mLinked);
+        if (!mLinked)
+        {
+            return NoError();
+        }
+
+        gatherTransformFeedbackVaryings(mergedVaryings);
+    }
+
+    gatherInterfaceBlockInfo();
+
+    return NoError();
+}
+
+// Returns the program object to an unlinked state, before re-linking, or at destruction
+void Program::unlink(bool destroy)
+{
+    if (destroy)   // Object being destructed
+    {
+        if (mState.mAttachedFragmentShader)
+        {
+            mState.mAttachedFragmentShader->release();
+            mState.mAttachedFragmentShader = nullptr;
+        }
+
+        if (mState.mAttachedVertexShader)
+        {
+            mState.mAttachedVertexShader->release();
+            mState.mAttachedVertexShader = nullptr;
+        }
+
+        if (mState.mAttachedComputeShader)
+        {
+            mState.mAttachedComputeShader->release();
+            mState.mAttachedComputeShader = nullptr;
+        }
+    }
+
+    mState.mAttributes.clear();
+    mState.mActiveAttribLocationsMask.reset();
+    mState.mTransformFeedbackVaryingVars.clear();
+    mState.mUniforms.clear();
+    mState.mUniformLocations.clear();
+    mState.mUniformBlocks.clear();
+    mState.mOutputVariables.clear();
+    mState.mComputeShaderLocalSize.fill(1);
+
+    mValidated = false;
+
+    mLinked = false;
+}
+
+bool Program::isLinked() const
+{
+    return mLinked;
+}
+
+Error Program::loadBinary(GLenum binaryFormat, const void *binary, GLsizei length)
+{
+    unlink(false);
+
+#if ANGLE_PROGRAM_BINARY_LOAD != ANGLE_ENABLED
+    return Error(GL_NO_ERROR);
+#else
+    ASSERT(binaryFormat == GL_PROGRAM_BINARY_ANGLE);
+    if (binaryFormat != GL_PROGRAM_BINARY_ANGLE)
+    {
+        mInfoLog << "Invalid program binary format.";
+        return Error(GL_NO_ERROR);
+    }
+
+    BinaryInputStream stream(binary, length);
+
+    int majorVersion = stream.readInt<int>();
+    int minorVersion = stream.readInt<int>();
+    if (majorVersion != ANGLE_MAJOR_VERSION || minorVersion != ANGLE_MINOR_VERSION)
+    {
+        mInfoLog << "Invalid program binary version.";
+        return Error(GL_NO_ERROR);
+    }
+
+    unsigned char commitString[ANGLE_COMMIT_HASH_SIZE];
+    stream.readBytes(commitString, ANGLE_COMMIT_HASH_SIZE);
+    if (memcmp(commitString, ANGLE_COMMIT_HASH, sizeof(unsigned char) * ANGLE_COMMIT_HASH_SIZE) != 0)
+    {
+        mInfoLog << "Invalid program binary version.";
+        return Error(GL_NO_ERROR);
+    }
+
+    mState.mComputeShaderLocalSize[0] = stream.readInt<int>();
+    mState.mComputeShaderLocalSize[1] = stream.readInt<int>();
+    mState.mComputeShaderLocalSize[2] = stream.readInt<int>();
+
+    static_assert(MAX_VERTEX_ATTRIBS <= sizeof(unsigned long) * 8,
+                  "Too many vertex attribs for mask");
+    mState.mActiveAttribLocationsMask = stream.readInt<unsigned long>();
+
+    unsigned int attribCount = stream.readInt<unsigned int>();
+    ASSERT(mState.mAttributes.empty());
+    for (unsigned int attribIndex = 0; attribIndex < attribCount; ++attribIndex)
+    {
+        sh::Attribute attrib;
+        LoadShaderVar(&stream, &attrib);
+        attrib.location = stream.readInt<int>();
+        mState.mAttributes.push_back(attrib);
+    }
+
+    unsigned int uniformCount = stream.readInt<unsigned int>();
+    ASSERT(mState.mUniforms.empty());
+    for (unsigned int uniformIndex = 0; uniformIndex < uniformCount; ++uniformIndex)
+    {
+        LinkedUniform uniform;
+        LoadShaderVar(&stream, &uniform);
+
+        uniform.blockIndex                 = stream.readInt<int>();
+        uniform.blockInfo.offset           = stream.readInt<int>();
+        uniform.blockInfo.arrayStride      = stream.readInt<int>();
+        uniform.blockInfo.matrixStride     = stream.readInt<int>();
+        uniform.blockInfo.isRowMajorMatrix = stream.readBool();
+
+        mState.mUniforms.push_back(uniform);
+    }
+
+    const unsigned int uniformIndexCount = stream.readInt<unsigned int>();
+    ASSERT(mState.mUniformLocations.empty());
+    for (unsigned int uniformIndexIndex = 0; uniformIndexIndex < uniformIndexCount;
+         uniformIndexIndex++)
+    {
+        VariableLocation variable;
+        stream.readString(&variable.name);
+        stream.readInt(&variable.element);
+        stream.readInt(&variable.index);
+        stream.readBool(&variable.used);
+        stream.readBool(&variable.ignored);
+
+        mState.mUniformLocations.push_back(variable);
+    }
+
+    unsigned int uniformBlockCount = stream.readInt<unsigned int>();
+    ASSERT(mState.mUniformBlocks.empty());
+    for (unsigned int uniformBlockIndex = 0; uniformBlockIndex < uniformBlockCount;
+         ++uniformBlockIndex)
+    {
+        UniformBlock uniformBlock;
+        stream.readString(&uniformBlock.name);
+        stream.readBool(&uniformBlock.isArray);
+        stream.readInt(&uniformBlock.arrayElement);
+        stream.readInt(&uniformBlock.dataSize);
+        stream.readBool(&uniformBlock.vertexStaticUse);
+        stream.readBool(&uniformBlock.fragmentStaticUse);
+
+        unsigned int numMembers = stream.readInt<unsigned int>();
+        for (unsigned int blockMemberIndex = 0; blockMemberIndex < numMembers; blockMemberIndex++)
+        {
+            uniformBlock.memberUniformIndexes.push_back(stream.readInt<unsigned int>());
+        }
+
+        mState.mUniformBlocks.push_back(uniformBlock);
+    }
+
+    unsigned int transformFeedbackVaryingCount = stream.readInt<unsigned int>();
+    ASSERT(mState.mTransformFeedbackVaryingVars.empty());
+    for (unsigned int transformFeedbackVaryingIndex = 0;
+        transformFeedbackVaryingIndex < transformFeedbackVaryingCount;
+        ++transformFeedbackVaryingIndex)
+    {
+        sh::Varying varying;
+        stream.readInt(&varying.arraySize);
+        stream.readInt(&varying.type);
+        stream.readString(&varying.name);
+
+        mState.mTransformFeedbackVaryingVars.push_back(varying);
+    }
+
+    stream.readInt(&mState.mTransformFeedbackBufferMode);
+
+    unsigned int outputVarCount = stream.readInt<unsigned int>();
+    for (unsigned int outputIndex = 0; outputIndex < outputVarCount; ++outputIndex)
+    {
+        int locationIndex = stream.readInt<int>();
+        VariableLocation locationData;
+        stream.readInt(&locationData.element);
+        stream.readInt(&locationData.index);
+        stream.readString(&locationData.name);
+        mState.mOutputVariables[locationIndex] = locationData;
+    }
+
+    stream.readInt(&mSamplerUniformRange.start);
+    stream.readInt(&mSamplerUniformRange.end);
+
+    ANGLE_TRY_RESULT(mProgram->load(mInfoLog, &stream), mLinked);
+
+    return NoError();
+#endif // #if ANGLE_PROGRAM_BINARY_LOAD == ANGLE_ENABLED
+}
+
+Error Program::saveBinary(GLenum *binaryFormat, void *binary, GLsizei bufSize, GLsizei *length) const
+{
+    if (binaryFormat)
+    {
+        *binaryFormat = GL_PROGRAM_BINARY_ANGLE;
+    }
+
+    BinaryOutputStream stream;
+
+    stream.writeInt(ANGLE_MAJOR_VERSION);
+    stream.writeInt(ANGLE_MINOR_VERSION);
+    stream.writeBytes(reinterpret_cast<const unsigned char*>(ANGLE_COMMIT_HASH), ANGLE_COMMIT_HASH_SIZE);
+
+    stream.writeInt(mState.mComputeShaderLocalSize[0]);
+    stream.writeInt(mState.mComputeShaderLocalSize[1]);
+    stream.writeInt(mState.mComputeShaderLocalSize[2]);
+
+    stream.writeInt(mState.mActiveAttribLocationsMask.to_ulong());
+
+    stream.writeInt(mState.mAttributes.size());
+    for (const sh::Attribute &attrib : mState.mAttributes)
+    {
+        WriteShaderVar(&stream, attrib);
+        stream.writeInt(attrib.location);
+    }
+
+    stream.writeInt(mState.mUniforms.size());
+    for (const gl::LinkedUniform &uniform : mState.mUniforms)
+    {
+        WriteShaderVar(&stream, uniform);
+
+        // FIXME: referenced
+
+        stream.writeInt(uniform.blockIndex);
+        stream.writeInt(uniform.blockInfo.offset);
+        stream.writeInt(uniform.blockInfo.arrayStride);
+        stream.writeInt(uniform.blockInfo.matrixStride);
+        stream.writeInt(uniform.blockInfo.isRowMajorMatrix);
+    }
+
+    stream.writeInt(mState.mUniformLocations.size());
+    for (const auto &variable : mState.mUniformLocations)
+    {
+        stream.writeString(variable.name);
+        stream.writeInt(variable.element);
+        stream.writeInt(variable.index);
+        stream.writeInt(variable.used);
+        stream.writeInt(variable.ignored);
+    }
+
+    stream.writeInt(mState.mUniformBlocks.size());
+    for (const UniformBlock &uniformBlock : mState.mUniformBlocks)
+    {
+        stream.writeString(uniformBlock.name);
+        stream.writeInt(uniformBlock.isArray);
+        stream.writeInt(uniformBlock.arrayElement);
+        stream.writeInt(uniformBlock.dataSize);
+
+        stream.writeInt(uniformBlock.vertexStaticUse);
+        stream.writeInt(uniformBlock.fragmentStaticUse);
+
+        stream.writeInt(uniformBlock.memberUniformIndexes.size());
+        for (unsigned int memberUniformIndex : uniformBlock.memberUniformIndexes)
+        {
+            stream.writeInt(memberUniformIndex);
+        }
+    }
+
+    stream.writeInt(mState.mTransformFeedbackVaryingVars.size());
+    for (const sh::Varying &varying : mState.mTransformFeedbackVaryingVars)
+    {
+        stream.writeInt(varying.arraySize);
+        stream.writeInt(varying.type);
+        stream.writeString(varying.name);
+    }
+
+    stream.writeInt(mState.mTransformFeedbackBufferMode);
+
+    stream.writeInt(mState.mOutputVariables.size());
+    for (const auto &outputPair : mState.mOutputVariables)
+    {
+        stream.writeInt(outputPair.first);
+        stream.writeIntOrNegOne(outputPair.second.element);
+        stream.writeInt(outputPair.second.index);
+        stream.writeString(outputPair.second.name);
+    }
+
+    stream.writeInt(mSamplerUniformRange.start);
+    stream.writeInt(mSamplerUniformRange.end);
+
+    gl::Error error = mProgram->save(&stream);
+    if (error.isError())
+    {
+        return error;
+    }
+
+    GLsizei streamLength   = static_cast<GLsizei>(stream.length());
+    const void *streamState = stream.data();
+
+    if (streamLength > bufSize)
+    {
+        if (length)
+        {
+            *length = 0;
+        }
+
+        // TODO: This should be moved to the validation layer but computing the size of the binary before saving
+        // it causes the save to happen twice.  It may be possible to write the binary to a separate buffer, validate
+        // sizes and then copy it.
+        return Error(GL_INVALID_OPERATION);
+    }
+
+    if (binary)
+    {
+        char *ptr = reinterpret_cast<char*>(binary);
+
+        memcpy(ptr, streamState, streamLength);
+        ptr += streamLength;
+
+        ASSERT(ptr - streamLength == binary);
+    }
+
+    if (length)
+    {
+        *length = streamLength;
+    }
+
+    return Error(GL_NO_ERROR);
+}
+
+GLint Program::getBinaryLength() const
+{
+    GLint length;
+    Error error = saveBinary(nullptr, nullptr, std::numeric_limits<GLint>::max(), &length);
+    if (error.isError())
+    {
+        return 0;
+    }
+
+    return length;
+}
+
+void Program::setBinaryRetrievableHint(bool retrievable)
+{
+    // TODO(jmadill) : replace with dirty bits
+    mProgram->setBinaryRetrievableHint(retrievable);
+    mState.mBinaryRetrieveableHint = retrievable;
+}
+
+bool Program::getBinaryRetrievableHint() const
+{
+    return mState.mBinaryRetrieveableHint;
+}
+
+void Program::release()
+{
+    mRefCount--;
+
+    if (mRefCount == 0 && mDeleteStatus)
+    {
+        mResourceManager->deleteProgram(mHandle);
+    }
+}
+
+void Program::addRef()
+{
+    mRefCount++;
+}
+
+unsigned int Program::getRefCount() const
+{
+    return mRefCount;
+}
+
+int Program::getInfoLogLength() const
+{
+    return static_cast<int>(mInfoLog.getLength());
+}
+
+void Program::getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const
+{
+    return mInfoLog.getLog(bufSize, length, infoLog);
+}
+
+void Program::getAttachedShaders(GLsizei maxCount, GLsizei *count, GLuint *shaders) const
+{
+    int total = 0;
+
+    if (mState.mAttachedComputeShader)
+    {
+        if (total < maxCount)
+        {
+            shaders[total] = mState.mAttachedComputeShader->getHandle();
+            total++;
+        }
+    }
+
+    if (mState.mAttachedVertexShader)
+    {
+        if (total < maxCount)
+        {
+            shaders[total] = mState.mAttachedVertexShader->getHandle();
+            total++;
+        }
+    }
+
+    if (mState.mAttachedFragmentShader)
+    {
+        if (total < maxCount)
+        {
+            shaders[total] = mState.mAttachedFragmentShader->getHandle();
+            total++;
+        }
+    }
+
+    if (count)
+    {
+        *count = total;
+    }
+}
+
+GLuint Program::getAttributeLocation(const std::string &name) const
+{
+    for (const sh::Attribute &attribute : mState.mAttributes)
+    {
+        if (attribute.name == name && attribute.staticUse)
+        {
+            return attribute.location;
+        }
+    }
+
+    return static_cast<GLuint>(-1);
+}
+
+bool Program::isAttribLocationActive(size_t attribLocation) const
+{
+    ASSERT(attribLocation < mState.mActiveAttribLocationsMask.size());
+    return mState.mActiveAttribLocationsMask[attribLocation];
+}
+
+void Program::getActiveAttribute(GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name)
+{
+    if (!mLinked)
+    {
+        if (bufsize > 0)
+        {
+            name[0] = '\0';
+        }
+
+        if (length)
+        {
+            *length = 0;
+        }
+
+        *type = GL_NONE;
+        *size = 1;
+        return;
+    }
+
+    size_t attributeIndex = 0;
+
+    for (const sh::Attribute &attribute : mState.mAttributes)
+    {
+        // Skip over inactive attributes
+        if (attribute.staticUse)
+        {
+            if (static_cast<size_t>(index) == attributeIndex)
+            {
+                break;
+            }
+            attributeIndex++;
+        }
+    }
+
+    ASSERT(index == attributeIndex && attributeIndex < mState.mAttributes.size());
+    const sh::Attribute &attrib = mState.mAttributes[attributeIndex];
+
+    if (bufsize > 0)
+    {
+        const char *string = attrib.name.c_str();
+
+        strncpy(name, string, bufsize);
+        name[bufsize - 1] = '\0';
+
+        if (length)
+        {
+            *length = static_cast<GLsizei>(strlen(name));
+        }
+    }
+
+    // Always a single 'type' instance
+    *size = 1;
+    *type = attrib.type;
+}
+
+GLint Program::getActiveAttributeCount() const
+{
+    if (!mLinked)
+    {
+        return 0;
+    }
+
+    GLint count = 0;
+
+    for (const sh::Attribute &attrib : mState.mAttributes)
+    {
+        count += (attrib.staticUse ? 1 : 0);
+    }
+
+    return count;
+}
+
+GLint Program::getActiveAttributeMaxLength() const
+{
+    if (!mLinked)
+    {
+        return 0;
+    }
+
+    size_t maxLength = 0;
+
+    for (const sh::Attribute &attrib : mState.mAttributes)
+    {
+        if (attrib.staticUse)
+        {
+            maxLength = std::max(attrib.name.length() + 1, maxLength);
+        }
+    }
+
+    return static_cast<GLint>(maxLength);
+}
+
+GLint Program::getFragDataLocation(const std::string &name) const
+{
+    std::string baseName(name);
+    unsigned int arrayIndex = ParseAndStripArrayIndex(&baseName);
+    for (auto outputPair : mState.mOutputVariables)
+    {
+        const VariableLocation &outputVariable = outputPair.second;
+        if (outputVariable.name == baseName && (arrayIndex == GL_INVALID_INDEX || arrayIndex == outputVariable.element))
+        {
+            return static_cast<GLint>(outputPair.first);
+        }
+    }
+    return -1;
+}
+
+void Program::getActiveUniform(GLuint index,
+                               GLsizei bufsize,
+                               GLsizei *length,
+                               GLint *size,
+                               GLenum *type,
+                               GLchar *name) const
+{
+    if (mLinked)
+    {
+        // index must be smaller than getActiveUniformCount()
+        ASSERT(index < mState.mUniforms.size());
+        const LinkedUniform &uniform = mState.mUniforms[index];
+
+        if (bufsize > 0)
+        {
+            std::string string = uniform.name;
+            if (uniform.isArray())
+            {
+                string += "[0]";
+            }
+
+            strncpy(name, string.c_str(), bufsize);
+            name[bufsize - 1] = '\0';
+
+            if (length)
+            {
+                *length = static_cast<GLsizei>(strlen(name));
+            }
+        }
+
+        *size = uniform.elementCount();
+        *type = uniform.type;
+    }
+    else
+    {
+        if (bufsize > 0)
+        {
+            name[0] = '\0';
+        }
+
+        if (length)
+        {
+            *length = 0;
+        }
+
+        *size = 0;
+        *type = GL_NONE;
+    }
+}
+
+GLint Program::getActiveUniformCount() const
+{
+    if (mLinked)
+    {
+        return static_cast<GLint>(mState.mUniforms.size());
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+GLint Program::getActiveUniformMaxLength() const
+{
+    size_t maxLength = 0;
+
+    if (mLinked)
+    {
+        for (const LinkedUniform &uniform : mState.mUniforms)
+        {
+            if (!uniform.name.empty())
+            {
+                size_t length = uniform.name.length() + 1u;
+                if (uniform.isArray())
+                {
+                    length += 3;  // Counting in "[0]".
+                }
+                maxLength = std::max(length, maxLength);
+            }
+        }
+    }
+
+    return static_cast<GLint>(maxLength);
+}
+
+GLint Program::getActiveUniformi(GLuint index, GLenum pname) const
+{
+    ASSERT(static_cast<size_t>(index) < mState.mUniforms.size());
+    const gl::LinkedUniform &uniform = mState.mUniforms[index];
+    switch (pname)
+    {
+      case GL_UNIFORM_TYPE:         return static_cast<GLint>(uniform.type);
+      case GL_UNIFORM_SIZE:         return static_cast<GLint>(uniform.elementCount());
+      case GL_UNIFORM_NAME_LENGTH:  return static_cast<GLint>(uniform.name.size() + 1 + (uniform.isArray() ? 3 : 0));
+      case GL_UNIFORM_BLOCK_INDEX:  return uniform.blockIndex;
+      case GL_UNIFORM_OFFSET:       return uniform.blockInfo.offset;
+      case GL_UNIFORM_ARRAY_STRIDE: return uniform.blockInfo.arrayStride;
+      case GL_UNIFORM_MATRIX_STRIDE: return uniform.blockInfo.matrixStride;
+      case GL_UNIFORM_IS_ROW_MAJOR: return static_cast<GLint>(uniform.blockInfo.isRowMajorMatrix);
+      default:
+        UNREACHABLE();
+        break;
+    }
+    return 0;
+}
+
+bool Program::isValidUniformLocation(GLint location) const
+{
+    ASSERT(angle::IsValueInRangeForNumericType<GLint>(mState.mUniformLocations.size()));
+    return (location >= 0 && static_cast<size_t>(location) < mState.mUniformLocations.size() &&
+            mState.mUniformLocations[static_cast<size_t>(location)].used);
+}
+
+bool Program::isIgnoredUniformLocation(GLint location) const
+{
+    // Location is ignored if it is -1 or it was bound but non-existant in the shader or optimized
+    // out
+    return location == -1 ||
+           (location >= 0 && static_cast<size_t>(location) < mState.mUniformLocations.size() &&
+            mState.mUniformLocations[static_cast<size_t>(location)].ignored);
+}
+
+const LinkedUniform &Program::getUniformByLocation(GLint location) const
+{
+    ASSERT(location >= 0 && static_cast<size_t>(location) < mState.mUniformLocations.size());
+    return mState.mUniforms[mState.mUniformLocations[location].index];
+}
+
+GLint Program::getUniformLocation(const std::string &name) const
+{
+    return mState.getUniformLocation(name);
+}
+
+GLuint Program::getUniformIndex(const std::string &name) const
+{
+    return mState.getUniformIndex(name);
+}
+
+void Program::setUniform1fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 1, v);
+    mProgram->setUniform1fv(location, clampedCount, v);
+}
+
+void Program::setUniform2fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 2, v);
+    mProgram->setUniform2fv(location, clampedCount, v);
+}
+
+void Program::setUniform3fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 3, v);
+    mProgram->setUniform3fv(location, clampedCount, v);
+}
+
+void Program::setUniform4fv(GLint location, GLsizei count, const GLfloat *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 4, v);
+    mProgram->setUniform4fv(location, clampedCount, v);
+}
+
+void Program::setUniform1iv(GLint location, GLsizei count, const GLint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 1, v);
+    mProgram->setUniform1iv(location, clampedCount, v);
+}
+
+void Program::setUniform2iv(GLint location, GLsizei count, const GLint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 2, v);
+    mProgram->setUniform2iv(location, clampedCount, v);
+}
+
+void Program::setUniform3iv(GLint location, GLsizei count, const GLint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 3, v);
+    mProgram->setUniform3iv(location, clampedCount, v);
+}
+
+void Program::setUniform4iv(GLint location, GLsizei count, const GLint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 4, v);
+    mProgram->setUniform4iv(location, clampedCount, v);
+}
+
+void Program::setUniform1uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 1, v);
+    mProgram->setUniform1uiv(location, clampedCount, v);
+}
+
+void Program::setUniform2uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 2, v);
+    mProgram->setUniform2uiv(location, clampedCount, v);
+}
+
+void Program::setUniform3uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 3, v);
+    mProgram->setUniform3uiv(location, clampedCount, v);
+}
+
+void Program::setUniform4uiv(GLint location, GLsizei count, const GLuint *v)
+{
+    GLsizei clampedCount = setUniformInternal(location, count, 4, v);
+    mProgram->setUniform4uiv(location, clampedCount, v);
+}
+
+void Program::setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<2, 2>(location, count, transpose, v);
+    mProgram->setUniformMatrix2fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<3, 3>(location, count, transpose, v);
+    mProgram->setUniformMatrix3fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<4, 4>(location, count, transpose, v);
+    mProgram->setUniformMatrix4fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<2, 3>(location, count, transpose, v);
+    mProgram->setUniformMatrix2x3fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<2, 4>(location, count, transpose, v);
+    mProgram->setUniformMatrix2x4fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<3, 2>(location, count, transpose, v);
+    mProgram->setUniformMatrix3x2fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<3, 4>(location, count, transpose, v);
+    mProgram->setUniformMatrix3x4fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<4, 2>(location, count, transpose, v);
+    mProgram->setUniformMatrix4x2fv(location, clampedCount, transpose, v);
+}
+
+void Program::setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *v)
+{
+    GLsizei clampedCount = setMatrixUniformInternal<4, 3>(location, count, transpose, v);
+    mProgram->setUniformMatrix4x3fv(location, clampedCount, transpose, v);
+}
+
+void Program::getUniformfv(GLint location, GLfloat *v) const
+{
+    getUniformInternal(location, v);
+}
+
+void Program::getUniformiv(GLint location, GLint *v) const
+{
+    getUniformInternal(location, v);
+}
+
+void Program::getUniformuiv(GLint location, GLuint *v) const
+{
+    getUniformInternal(location, v);
+}
+
+void Program::flagForDeletion()
+{
+    mDeleteStatus = true;
+}
+
+bool Program::isFlaggedForDeletion() const
+{
+    return mDeleteStatus;
+}
+
+void Program::validate(const Caps &caps)
+{
+    mInfoLog.reset();
+
+    if (mLinked)
+    {
+        mValidated = (mProgram->validate(caps, &mInfoLog) == GL_TRUE);
+    }
+    else
+    {
+        mInfoLog << "Program has not been successfully linked.";
+    }
+}
+
+bool Program::validateSamplers(InfoLog *infoLog, const Caps &caps)
+{
+    // Skip cache if we're using an infolog, so we get the full error.
+    // Also skip the cache if the sample mapping has changed, or if we haven't ever validated.
+    if (infoLog == nullptr && mCachedValidateSamplersResult.valid())
+    {
+        return mCachedValidateSamplersResult.value();
+    }
+
+    if (mTextureUnitTypesCache.empty())
+    {
+        mTextureUnitTypesCache.resize(caps.maxCombinedTextureImageUnits, GL_NONE);
+    }
+    else
+    {
+        std::fill(mTextureUnitTypesCache.begin(), mTextureUnitTypesCache.end(), GL_NONE);
+    }
+
+    // if any two active samplers in a program are of different types, but refer to the same
+    // texture image unit, and this is the current program, then ValidateProgram will fail, and
+    // DrawArrays and DrawElements will issue the INVALID_OPERATION error.
+    for (unsigned int samplerIndex = mSamplerUniformRange.start;
+         samplerIndex < mSamplerUniformRange.end; ++samplerIndex)
+    {
+        const LinkedUniform &uniform = mState.mUniforms[samplerIndex];
+        ASSERT(uniform.isSampler());
+
+        if (!uniform.staticUse)
+            continue;
+
+        const GLuint *dataPtr = reinterpret_cast<const GLuint *>(uniform.getDataPtrToElement(0));
+        GLenum textureType    = SamplerTypeToTextureType(uniform.type);
+
+        for (unsigned int arrayElement = 0; arrayElement < uniform.elementCount(); ++arrayElement)
+        {
+            GLuint textureUnit = dataPtr[arrayElement];
+
+            if (textureUnit >= caps.maxCombinedTextureImageUnits)
+            {
+                if (infoLog)
+                {
+                    (*infoLog) << "Sampler uniform (" << textureUnit
+                               << ") exceeds GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS ("
+                               << caps.maxCombinedTextureImageUnits << ")";
+                }
+
+                mCachedValidateSamplersResult = false;
+                return false;
+            }
+
+            if (mTextureUnitTypesCache[textureUnit] != GL_NONE)
+            {
+                if (textureType != mTextureUnitTypesCache[textureUnit])
+                {
+                    if (infoLog)
+                    {
+                        (*infoLog) << "Samplers of conflicting types refer to the same texture "
+                                      "image unit ("
+                                   << textureUnit << ").";
+                    }
+
+                    mCachedValidateSamplersResult = false;
+                    return false;
+                }
+            }
+            else
+            {
+                mTextureUnitTypesCache[textureUnit] = textureType;
+            }
+        }
+    }
+
+    mCachedValidateSamplersResult = true;
+    return true;
+}
+
+bool Program::isValidated() const
+{
+    return mValidated;
+}
+
+GLuint Program::getActiveUniformBlockCount() const
+{
+    return static_cast<GLuint>(mState.mUniformBlocks.size());
+}
+
+void Program::getActiveUniformBlockName(GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName) const
+{
+    ASSERT(
+        uniformBlockIndex <
+        mState.mUniformBlocks.size());  // index must be smaller than getActiveUniformBlockCount()
+
+    const UniformBlock &uniformBlock = mState.mUniformBlocks[uniformBlockIndex];
+
+    if (bufSize > 0)
+    {
+        std::string string = uniformBlock.name;
+
+        if (uniformBlock.isArray)
+        {
+            string += ArrayString(uniformBlock.arrayElement);
+        }
+
+        strncpy(uniformBlockName, string.c_str(), bufSize);
+        uniformBlockName[bufSize - 1] = '\0';
+
+        if (length)
+        {
+            *length = static_cast<GLsizei>(strlen(uniformBlockName));
+        }
+    }
+}
+
+GLint Program::getActiveUniformBlockMaxLength() const
+{
+    int maxLength = 0;
+
+    if (mLinked)
+    {
+        unsigned int numUniformBlocks = static_cast<unsigned int>(mState.mUniformBlocks.size());
+        for (unsigned int uniformBlockIndex = 0; uniformBlockIndex < numUniformBlocks; uniformBlockIndex++)
+        {
+            const UniformBlock &uniformBlock = mState.mUniformBlocks[uniformBlockIndex];
+            if (!uniformBlock.name.empty())
+            {
+                const int length = static_cast<int>(uniformBlock.name.length()) + 1;
+
+                // Counting in "[0]".
+                const int arrayLength = (uniformBlock.isArray ? 3 : 0);
+
+                maxLength = std::max(length + arrayLength, maxLength);
+            }
+        }
+    }
+
+    return maxLength;
+}
+
+GLuint Program::getUniformBlockIndex(const std::string &name) const
+{
+    size_t subscript     = GL_INVALID_INDEX;
+    std::string baseName = gl::ParseUniformName(name, &subscript);
+
+    unsigned int numUniformBlocks = static_cast<unsigned int>(mState.mUniformBlocks.size());
+    for (unsigned int blockIndex = 0; blockIndex < numUniformBlocks; blockIndex++)
+    {
+        const gl::UniformBlock &uniformBlock = mState.mUniformBlocks[blockIndex];
+        if (uniformBlock.name == baseName)
+        {
+            const bool arrayElementZero =
+                (subscript == GL_INVALID_INDEX &&
+                 (!uniformBlock.isArray || uniformBlock.arrayElement == 0));
+            if (subscript == uniformBlock.arrayElement || arrayElementZero)
+            {
+                return blockIndex;
+            }
+        }
+    }
+
+    return GL_INVALID_INDEX;
+}
+
+const UniformBlock &Program::getUniformBlockByIndex(GLuint index) const
+{
+    ASSERT(index < static_cast<GLuint>(mState.mUniformBlocks.size()));
+    return mState.mUniformBlocks[index];
+}
+
+void Program::bindUniformBlock(GLuint uniformBlockIndex, GLuint uniformBlockBinding)
+{
+    mState.mUniformBlockBindings[uniformBlockIndex] = uniformBlockBinding;
+    mProgram->setUniformBlockBinding(uniformBlockIndex, uniformBlockBinding);
+}
+
+GLuint Program::getUniformBlockBinding(GLuint uniformBlockIndex) const
+{
+    return mState.getUniformBlockBinding(uniformBlockIndex);
+}
+
+void Program::resetUniformBlockBindings()
+{
+    for (unsigned int blockId = 0; blockId < IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS; blockId++)
+    {
+        mState.mUniformBlockBindings[blockId] = 0;
+    }
+    mState.mActiveUniformBlockBindings.reset();
+}
+
+void Program::setTransformFeedbackVaryings(GLsizei count, const GLchar *const *varyings, GLenum bufferMode)
+{
+    mState.mTransformFeedbackVaryingNames.resize(count);
+    for (GLsizei i = 0; i < count; i++)
+    {
+        mState.mTransformFeedbackVaryingNames[i] = varyings[i];
+    }
+
+    mState.mTransformFeedbackBufferMode = bufferMode;
+}
+
+void Program::getTransformFeedbackVarying(GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name) const
+{
+    if (mLinked)
+    {
+        ASSERT(index < mState.mTransformFeedbackVaryingVars.size());
+        const sh::Varying &varying = mState.mTransformFeedbackVaryingVars[index];
+        GLsizei lastNameIdx = std::min(bufSize - 1, static_cast<GLsizei>(varying.name.length()));
+        if (length)
+        {
+            *length = lastNameIdx;
+        }
+        if (size)
+        {
+            *size = varying.elementCount();
+        }
+        if (type)
+        {
+            *type = varying.type;
+        }
+        if (name)
+        {
+            memcpy(name, varying.name.c_str(), lastNameIdx);
+            name[lastNameIdx] = '\0';
+        }
+    }
+}
+
+GLsizei Program::getTransformFeedbackVaryingCount() const
+{
+    if (mLinked)
+    {
+        return static_cast<GLsizei>(mState.mTransformFeedbackVaryingVars.size());
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+GLsizei Program::getTransformFeedbackVaryingMaxLength() const
+{
+    if (mLinked)
+    {
+        GLsizei maxSize = 0;
+        for (const sh::Varying &varying : mState.mTransformFeedbackVaryingVars)
+        {
+            maxSize = std::max(maxSize, static_cast<GLsizei>(varying.name.length() + 1));
+        }
+
+        return maxSize;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+GLenum Program::getTransformFeedbackBufferMode() const
+{
+    return mState.mTransformFeedbackBufferMode;
+}
+
+bool Program::linkVaryings(InfoLog &infoLog,
+                           const Shader *vertexShader,
+                           const Shader *fragmentShader) const
+{
+    ASSERT(vertexShader->getShaderVersion() == fragmentShader->getShaderVersion());
+
+    const std::vector<sh::Varying> &vertexVaryings   = vertexShader->getVaryings();
+    const std::vector<sh::Varying> &fragmentVaryings = fragmentShader->getVaryings();
+
+    std::map<GLuint, std::string> staticFragmentInputLocations;
+
+    for (const sh::Varying &output : fragmentVaryings)
+    {
+        bool matched = false;
+
+        // Built-in varyings obey special rules
+        if (output.isBuiltIn())
+        {
+            continue;
+        }
+
+        for (const sh::Varying &input : vertexVaryings)
+        {
+            if (output.name == input.name)
+            {
+                ASSERT(!input.isBuiltIn());
+                if (!linkValidateVaryings(infoLog, output.name, input, output,
+                                          vertexShader->getShaderVersion()))
+                {
+                    return false;
+                }
+
+                matched = true;
+                break;
+            }
+        }
+
+        // We permit unmatched, unreferenced varyings
+        if (!matched && output.staticUse)
+        {
+            infoLog << "Fragment varying " << output.name << " does not match any vertex varying";
+            return false;
+        }
+
+        // Check for aliased path rendering input bindings (if any).
+        // If more than one binding refer statically to the same
+        // location the link must fail.
+
+        if (!output.staticUse)
+            continue;
+
+        const auto inputBinding = mFragmentInputBindings.getBinding(output.name);
+        if (inputBinding == -1)
+            continue;
+
+        const auto it = staticFragmentInputLocations.find(inputBinding);
+        if (it == std::end(staticFragmentInputLocations))
+        {
+            staticFragmentInputLocations.insert(std::make_pair(inputBinding, output.name));
+        }
+        else
+        {
+            infoLog << "Binding for fragment input " << output.name << " conflicts with "
+                    << it->second;
+            return false;
+        }
+    }
+
+    // TODO(jmadill): verify no unmatched vertex varyings?
+
+    return true;
+}
+
+bool Program::validateVertexAndFragmentUniforms(InfoLog &infoLog) const
+{
+    // Check that uniforms defined in the vertex and fragment shaders are identical
+    std::map<std::string, LinkedUniform> linkedUniforms;
+    const std::vector<sh::Uniform> &vertexUniforms = mState.mAttachedVertexShader->getUniforms();
+    const std::vector<sh::Uniform> &fragmentUniforms =
+        mState.mAttachedFragmentShader->getUniforms();
+
+    for (const sh::Uniform &vertexUniform : vertexUniforms)
+    {
+        linkedUniforms[vertexUniform.name] = LinkedUniform(vertexUniform);
+    }
+
+    for (const sh::Uniform &fragmentUniform : fragmentUniforms)
+    {
+        auto entry = linkedUniforms.find(fragmentUniform.name);
+        if (entry != linkedUniforms.end())
+        {
+            LinkedUniform *vertexUniform   = &entry->second;
+            const std::string &uniformName = "uniform '" + vertexUniform->name + "'";
+            if (!linkValidateUniforms(infoLog, uniformName, *vertexUniform, fragmentUniform))
+            {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+bool Program::linkUniforms(gl::InfoLog &infoLog,
+                           const gl::Caps &caps,
+                           const Bindings &uniformBindings)
+{
+    if (mState.mAttachedVertexShader && mState.mAttachedFragmentShader)
+    {
+        ASSERT(mState.mAttachedComputeShader == nullptr);
+        if (!validateVertexAndFragmentUniforms(infoLog))
+        {
+            return false;
+        }
+    }
+
+    // Flatten the uniforms list (nested fields) into a simple list (no nesting).
+    // Also check the maximum uniform vector and sampler counts.
+    if (!flattenUniformsAndCheckCaps(caps, infoLog))
+    {
+        return false;
+    }
+
+    if (!indexUniforms(infoLog, caps, uniformBindings))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::indexUniforms(gl::InfoLog &infoLog,
+                            const gl::Caps &caps,
+                            const Bindings &uniformBindings)
+{
+    // Uniforms awaiting a location
+    std::vector<VariableLocation> unboundUniforms;
+    std::map<GLuint, VariableLocation> boundUniforms;
+    int maxUniformLocation = -1;
+
+    // Gather bound and unbound uniforms
+    for (size_t uniformIndex = 0; uniformIndex < mState.mUniforms.size(); uniformIndex++)
+    {
+        const gl::LinkedUniform &uniform = mState.mUniforms[uniformIndex];
+
+        if (uniform.isBuiltIn())
+        {
+            continue;
+        }
+
+        int bindingLocation = uniformBindings.getBinding(uniform.name);
+
+        // Verify that this location isn't bound twice
+        if (bindingLocation != -1 && boundUniforms.find(bindingLocation) != boundUniforms.end())
+        {
+            infoLog << "Multiple uniforms bound to location " << bindingLocation << ".";
+            return false;
+        }
+
+        for (unsigned int arrayIndex = 0; arrayIndex < uniform.elementCount(); arrayIndex++)
+        {
+            VariableLocation location(uniform.name, arrayIndex,
+                                      static_cast<unsigned int>(uniformIndex));
+
+            if (arrayIndex == 0 && bindingLocation != -1)
+            {
+                boundUniforms[bindingLocation] = location;
+                maxUniformLocation             = std::max(maxUniformLocation, bindingLocation);
+            }
+            else
+            {
+                unboundUniforms.push_back(location);
+            }
+        }
+    }
+
+    // Gather the reserved bindings, ones that are bound but not referenced.  Other uniforms should
+    // not be assigned to those locations.
+    std::set<GLuint> reservedLocations;
+    for (const auto &binding : uniformBindings)
+    {
+        GLuint location = binding.second;
+        if (boundUniforms.find(location) == boundUniforms.end())
+        {
+            reservedLocations.insert(location);
+            maxUniformLocation = std::max(maxUniformLocation, static_cast<int>(location));
+        }
+    }
+
+    // Make enough space for all uniforms, bound and unbound
+    mState.mUniformLocations.resize(
+        std::max(unboundUniforms.size() + boundUniforms.size() + reservedLocations.size(),
+                 static_cast<size_t>(maxUniformLocation + 1)));
+
+    // Assign bound uniforms
+    for (const auto &boundUniform : boundUniforms)
+    {
+        mState.mUniformLocations[boundUniform.first] = boundUniform.second;
+    }
+
+    // Assign reserved uniforms
+    for (const auto &reservedLocation : reservedLocations)
+    {
+        mState.mUniformLocations[reservedLocation].ignored = true;
+    }
+
+    // Assign unbound uniforms
+    size_t nextUniformLocation = 0;
+    for (const auto &unboundUniform : unboundUniforms)
+    {
+        while (mState.mUniformLocations[nextUniformLocation].used ||
+               mState.mUniformLocations[nextUniformLocation].ignored)
+        {
+            nextUniformLocation++;
+        }
+
+        ASSERT(nextUniformLocation < mState.mUniformLocations.size());
+        mState.mUniformLocations[nextUniformLocation] = unboundUniform;
+        nextUniformLocation++;
+    }
+
+    return true;
+}
+
+bool Program::linkValidateInterfaceBlockFields(InfoLog &infoLog,
+                                               const std::string &uniformName,
+                                               const sh::InterfaceBlockField &vertexUniform,
+                                               const sh::InterfaceBlockField &fragmentUniform)
+{
+    // We don't validate precision on UBO fields. See resolution of Khronos bug 10287.
+    if (!linkValidateVariablesBase(infoLog, uniformName, vertexUniform, fragmentUniform, false))
+    {
+        return false;
+    }
+
+    if (vertexUniform.isRowMajorLayout != fragmentUniform.isRowMajorLayout)
+    {
+        infoLog << "Matrix packings for " << uniformName << " differ between vertex and fragment shaders";
+        return false;
+    }
+
+    return true;
+}
+
+// Determines the mapping between GL attributes and Direct3D 9 vertex stream usage indices
+bool Program::linkAttributes(const ContextState &data,
+                             InfoLog &infoLog,
+                             const Bindings &attributeBindings,
+                             const Shader *vertexShader)
+{
+    unsigned int usedLocations = 0;
+    mState.mAttributes         = vertexShader->getActiveAttributes();
+    GLuint maxAttribs          = data.getCaps().maxVertexAttributes;
+
+    // TODO(jmadill): handle aliasing robustly
+    if (mState.mAttributes.size() > maxAttribs)
+    {
+        infoLog << "Too many vertex attributes.";
+        return false;
+    }
+
+    std::vector<sh::Attribute *> usedAttribMap(maxAttribs, nullptr);
+
+    // Link attributes that have a binding location
+    for (sh::Attribute &attribute : mState.mAttributes)
+    {
+        // TODO(jmadill): do staticUse filtering step here, or not at all
+        ASSERT(attribute.staticUse);
+
+        int bindingLocation = attributeBindings.getBinding(attribute.name);
+        if (attribute.location == -1 && bindingLocation != -1)
+        {
+            attribute.location = bindingLocation;
+        }
+
+        if (attribute.location != -1)
+        {
+            // Location is set by glBindAttribLocation or by location layout qualifier
+            const int regs = VariableRegisterCount(attribute.type);
+
+            if (static_cast<GLuint>(regs + attribute.location) > maxAttribs)
+            {
+                infoLog << "Active attribute (" << attribute.name << ") at location "
+                        << attribute.location << " is too big to fit";
+
+                return false;
+            }
+
+            for (int reg = 0; reg < regs; reg++)
+            {
+                const int regLocation               = attribute.location + reg;
+                sh::ShaderVariable *linkedAttribute = usedAttribMap[regLocation];
+
+                // In GLSL 3.00, attribute aliasing produces a link error
+                // In GLSL 1.00, attribute aliasing is allowed, but ANGLE currently has a bug
+                if (linkedAttribute)
+                {
+                    // TODO(jmadill): fix aliasing on ES2
+                    // if (mProgram->getShaderVersion() >= 300)
+                    {
+                        infoLog << "Attribute '" << attribute.name << "' aliases attribute '"
+                                << linkedAttribute->name << "' at location " << regLocation;
+                        return false;
+                    }
+                }
+                else
+                {
+                    usedAttribMap[regLocation] = &attribute;
+                }
+
+                usedLocations |= 1 << regLocation;
+            }
+        }
+    }
+
+    // Link attributes that don't have a binding location
+    for (sh::Attribute &attribute : mState.mAttributes)
+    {
+        ASSERT(attribute.staticUse);
+
+        // Not set by glBindAttribLocation or by location layout qualifier
+        if (attribute.location == -1)
+        {
+            int regs           = VariableRegisterCount(attribute.type);
+            int availableIndex = AllocateFirstFreeBits(&usedLocations, regs, maxAttribs);
+
+            if (availableIndex == -1 || static_cast<GLuint>(availableIndex + regs) > maxAttribs)
+            {
+                infoLog << "Too many active attributes (" << attribute.name << ")";
+                return false;
+            }
+
+            attribute.location = availableIndex;
+        }
+    }
+
+    for (const sh::Attribute &attribute : mState.mAttributes)
+    {
+        ASSERT(attribute.staticUse);
+        ASSERT(attribute.location != -1);
+        int regs = VariableRegisterCount(attribute.type);
+
+        for (int r = 0; r < regs; r++)
+        {
+            mState.mActiveAttribLocationsMask.set(attribute.location + r);
+        }
+    }
+
+    return true;
+}
+
+bool Program::validateUniformBlocksCount(GLuint maxUniformBlocks,
+                                         const std::vector<sh::InterfaceBlock> &intefaceBlocks,
+                                         const std::string &errorMessage,
+                                         InfoLog &infoLog) const
+{
+    GLuint blockCount = 0;
+    for (const sh::InterfaceBlock &block : intefaceBlocks)
+    {
+        if (block.staticUse || block.layout != sh::BLOCKLAYOUT_PACKED)
+        {
+            if (++blockCount > maxUniformBlocks)
+            {
+                infoLog << errorMessage << maxUniformBlocks << ")";
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+bool Program::validateVertexAndFragmentInterfaceBlocks(
+    const std::vector<sh::InterfaceBlock> &vertexInterfaceBlocks,
+    const std::vector<sh::InterfaceBlock> &fragmentInterfaceBlocks,
+    InfoLog &infoLog) const
+{
+    // Check that interface blocks defined in the vertex and fragment shaders are identical
+    typedef std::map<std::string, const sh::InterfaceBlock *> UniformBlockMap;
+    UniformBlockMap linkedUniformBlocks;
+
+    for (const sh::InterfaceBlock &vertexInterfaceBlock : vertexInterfaceBlocks)
+    {
+        linkedUniformBlocks[vertexInterfaceBlock.name] = &vertexInterfaceBlock;
+    }
+
+    for (const sh::InterfaceBlock &fragmentInterfaceBlock : fragmentInterfaceBlocks)
+    {
+        auto entry = linkedUniformBlocks.find(fragmentInterfaceBlock.name);
+        if (entry != linkedUniformBlocks.end())
+        {
+            const sh::InterfaceBlock &vertexInterfaceBlock = *entry->second;
+            if (!areMatchingInterfaceBlocks(infoLog, vertexInterfaceBlock, fragmentInterfaceBlock))
+            {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+bool Program::linkUniformBlocks(InfoLog &infoLog, const Caps &caps)
+{
+    if (mState.mAttachedComputeShader)
+    {
+        const Shader &computeShader        = *mState.mAttachedComputeShader;
+        const auto &computeInterfaceBlocks = computeShader.getInterfaceBlocks();
+
+        if (!validateUniformBlocksCount(
+                caps.maxComputeUniformBlocks, computeInterfaceBlocks,
+                "Compute shader uniform block count exceeds GL_MAX_COMPUTE_UNIFORM_BLOCKS (",
+                infoLog))
+        {
+            return false;
+        }
+        return true;
+    }
+
+    const Shader &vertexShader   = *mState.mAttachedVertexShader;
+    const Shader &fragmentShader = *mState.mAttachedFragmentShader;
+
+    const auto &vertexInterfaceBlocks   = vertexShader.getInterfaceBlocks();
+    const auto &fragmentInterfaceBlocks = fragmentShader.getInterfaceBlocks();
+
+    if (!validateUniformBlocksCount(
+            caps.maxVertexUniformBlocks, vertexInterfaceBlocks,
+            "Vertex shader uniform block count exceeds GL_MAX_VERTEX_UNIFORM_BLOCKS (", infoLog))
+    {
+        return false;
+    }
+    if (!validateUniformBlocksCount(
+            caps.maxFragmentUniformBlocks, fragmentInterfaceBlocks,
+            "Fragment shader uniform block count exceeds GL_MAX_FRAGMENT_UNIFORM_BLOCKS (",
+            infoLog))
+    {
+
+        return false;
+    }
+    if (!validateVertexAndFragmentInterfaceBlocks(vertexInterfaceBlocks, fragmentInterfaceBlocks,
+                                                  infoLog))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::areMatchingInterfaceBlocks(gl::InfoLog &infoLog,
+                                         const sh::InterfaceBlock &vertexInterfaceBlock,
+                                         const sh::InterfaceBlock &fragmentInterfaceBlock) const
+{
+    const char* blockName = vertexInterfaceBlock.name.c_str();
+    // validate blocks for the same member types
+    if (vertexInterfaceBlock.fields.size() != fragmentInterfaceBlock.fields.size())
+    {
+        infoLog << "Types for interface block '" << blockName
+                << "' differ between vertex and fragment shaders";
+        return false;
+    }
+    if (vertexInterfaceBlock.arraySize != fragmentInterfaceBlock.arraySize)
+    {
+        infoLog << "Array sizes differ for interface block '" << blockName
+                << "' between vertex and fragment shaders";
+        return false;
+    }
+    if (vertexInterfaceBlock.layout != fragmentInterfaceBlock.layout || vertexInterfaceBlock.isRowMajorLayout != fragmentInterfaceBlock.isRowMajorLayout)
+    {
+        infoLog << "Layout qualifiers differ for interface block '" << blockName
+                << "' between vertex and fragment shaders";
+        return false;
+    }
+    const unsigned int numBlockMembers =
+        static_cast<unsigned int>(vertexInterfaceBlock.fields.size());
+    for (unsigned int blockMemberIndex = 0; blockMemberIndex < numBlockMembers; blockMemberIndex++)
+    {
+        const sh::InterfaceBlockField &vertexMember = vertexInterfaceBlock.fields[blockMemberIndex];
+        const sh::InterfaceBlockField &fragmentMember = fragmentInterfaceBlock.fields[blockMemberIndex];
+        if (vertexMember.name != fragmentMember.name)
+        {
+            infoLog << "Name mismatch for field " << blockMemberIndex
+                    << " of interface block '" << blockName
+                    << "': (in vertex: '" << vertexMember.name
+                    << "', in fragment: '" << fragmentMember.name << "')";
+            return false;
+        }
+        std::string memberName = "interface block '" + vertexInterfaceBlock.name + "' member '" + vertexMember.name + "'";
+        if (!linkValidateInterfaceBlockFields(infoLog, memberName, vertexMember, fragmentMember))
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool Program::linkValidateVariablesBase(InfoLog &infoLog, const std::string &variableName, const sh::ShaderVariable &vertexVariable,
+                                              const sh::ShaderVariable &fragmentVariable, bool validatePrecision)
+{
+    if (vertexVariable.type != fragmentVariable.type)
+    {
+        infoLog << "Types for " << variableName << " differ between vertex and fragment shaders";
+        return false;
+    }
+    if (vertexVariable.arraySize != fragmentVariable.arraySize)
+    {
+        infoLog << "Array sizes for " << variableName << " differ between vertex and fragment shaders";
+        return false;
+    }
+    if (validatePrecision && vertexVariable.precision != fragmentVariable.precision)
+    {
+        infoLog << "Precisions for " << variableName << " differ between vertex and fragment shaders";
+        return false;
+    }
+
+    if (vertexVariable.fields.size() != fragmentVariable.fields.size())
+    {
+        infoLog << "Structure lengths for " << variableName << " differ between vertex and fragment shaders";
+        return false;
+    }
+    const unsigned int numMembers = static_cast<unsigned int>(vertexVariable.fields.size());
+    for (unsigned int memberIndex = 0; memberIndex < numMembers; memberIndex++)
+    {
+        const sh::ShaderVariable &vertexMember = vertexVariable.fields[memberIndex];
+        const sh::ShaderVariable &fragmentMember = fragmentVariable.fields[memberIndex];
+
+        if (vertexMember.name != fragmentMember.name)
+        {
+            infoLog << "Name mismatch for field '" << memberIndex
+                    << "' of " << variableName
+                    << ": (in vertex: '" << vertexMember.name
+                    << "', in fragment: '" << fragmentMember.name << "')";
+            return false;
+        }
+
+        const std::string memberName = variableName.substr(0, variableName.length() - 1) + "." +
+                                       vertexMember.name + "'";
+
+        if (!linkValidateVariablesBase(infoLog, vertexMember.name, vertexMember, fragmentMember, validatePrecision))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool Program::linkValidateUniforms(InfoLog &infoLog, const std::string &uniformName, const sh::Uniform &vertexUniform, const sh::Uniform &fragmentUniform)
+{
+#if ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION == ANGLE_ENABLED
+    const bool validatePrecision = true;
+#else
+    const bool validatePrecision = false;
+#endif
+
+    if (!linkValidateVariablesBase(infoLog, uniformName, vertexUniform, fragmentUniform, validatePrecision))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::linkValidateVaryings(InfoLog &infoLog,
+                                   const std::string &varyingName,
+                                   const sh::Varying &vertexVarying,
+                                   const sh::Varying &fragmentVarying,
+                                   int shaderVersion)
+{
+    if (!linkValidateVariablesBase(infoLog, varyingName, vertexVarying, fragmentVarying, false))
+    {
+        return false;
+    }
+
+    if (!sh::InterpolationTypesMatch(vertexVarying.interpolation, fragmentVarying.interpolation))
+    {
+        infoLog << "Interpolation types for " << varyingName
+                << " differ between vertex and fragment shaders.";
+        return false;
+    }
+
+    if (shaderVersion == 100 && vertexVarying.isInvariant != fragmentVarying.isInvariant)
+    {
+        infoLog << "Invariance for " << varyingName
+                << " differs between vertex and fragment shaders.";
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::linkValidateTransformFeedback(InfoLog &infoLog,
+                                            const std::vector<const sh::Varying *> &varyings,
+                                            const Caps &caps) const
+{
+    size_t totalComponents = 0;
+
+    std::set<std::string> uniqueNames;
+
+    for (const std::string &tfVaryingName : mState.mTransformFeedbackVaryingNames)
+    {
+        bool found = false;
+        for (const sh::Varying *varying : varyings)
+        {
+            if (tfVaryingName == varying->name)
+            {
+                if (uniqueNames.count(tfVaryingName) > 0)
+                {
+                    infoLog << "Two transform feedback varyings specify the same output variable ("
+                            << tfVaryingName << ").";
+                    return false;
+                }
+                uniqueNames.insert(tfVaryingName);
+
+                if (varying->isArray())
+                {
+                    infoLog << "Capture of arrays is undefined and not supported.";
+                    return false;
+                }
+
+                // TODO(jmadill): Investigate implementation limits on D3D11
+                size_t componentCount = gl::VariableComponentCount(varying->type);
+                if (mState.mTransformFeedbackBufferMode == GL_SEPARATE_ATTRIBS &&
+                    componentCount > caps.maxTransformFeedbackSeparateComponents)
+                {
+                    infoLog << "Transform feedback varying's " << varying->name << " components ("
+                            << componentCount << ") exceed the maximum separate components ("
+                            << caps.maxTransformFeedbackSeparateComponents << ").";
+                    return false;
+                }
+
+                totalComponents += componentCount;
+                found = true;
+                break;
+            }
+        }
+
+        if (tfVaryingName.find('[') != std::string::npos)
+        {
+            infoLog << "Capture of array elements is undefined and not supported.";
+            return false;
+        }
+
+        // All transform feedback varyings are expected to exist since packVaryings checks for them.
+        ASSERT(found);
+    }
+
+    if (mState.mTransformFeedbackBufferMode == GL_INTERLEAVED_ATTRIBS &&
+        totalComponents > caps.maxTransformFeedbackInterleavedComponents)
+    {
+        infoLog << "Transform feedback varying total components (" << totalComponents
+                << ") exceed the maximum interleaved components ("
+                << caps.maxTransformFeedbackInterleavedComponents << ").";
+        return false;
+    }
+
+    return true;
+}
+
+void Program::gatherTransformFeedbackVaryings(const std::vector<const sh::Varying *> &varyings)
+{
+    // Gather the linked varyings that are used for transform feedback, they should all exist.
+    mState.mTransformFeedbackVaryingVars.clear();
+    for (const std::string &tfVaryingName : mState.mTransformFeedbackVaryingNames)
+    {
+        for (const sh::Varying *varying : varyings)
+        {
+            if (tfVaryingName == varying->name)
+            {
+                mState.mTransformFeedbackVaryingVars.push_back(*varying);
+                break;
+            }
+        }
+    }
+}
+
+std::vector<const sh::Varying *> Program::getMergedVaryings() const
+{
+    std::set<std::string> uniqueNames;
+    std::vector<const sh::Varying *> varyings;
+
+    for (const sh::Varying &varying : mState.mAttachedVertexShader->getVaryings())
+    {
+        if (uniqueNames.count(varying.name) == 0)
+        {
+            uniqueNames.insert(varying.name);
+            varyings.push_back(&varying);
+        }
+    }
+
+    for (const sh::Varying &varying : mState.mAttachedFragmentShader->getVaryings())
+    {
+        if (uniqueNames.count(varying.name) == 0)
+        {
+            uniqueNames.insert(varying.name);
+            varyings.push_back(&varying);
+        }
+    }
+
+    return varyings;
+}
+
+void Program::linkOutputVariables()
+{
+    const Shader *fragmentShader = mState.mAttachedFragmentShader;
+    ASSERT(fragmentShader != nullptr);
+
+    // Skip this step for GLES2 shaders.
+    if (fragmentShader->getShaderVersion() == 100)
+        return;
+
+    const auto &shaderOutputVars = fragmentShader->getActiveOutputVariables();
+
+    // TODO(jmadill): any caps validation here?
+
+    for (unsigned int outputVariableIndex = 0; outputVariableIndex < shaderOutputVars.size();
+         outputVariableIndex++)
+    {
+        const sh::OutputVariable &outputVariable = shaderOutputVars[outputVariableIndex];
+
+        // Don't store outputs for gl_FragDepth, gl_FragColor, etc.
+        if (outputVariable.isBuiltIn())
+            continue;
+
+        // Since multiple output locations must be specified, use 0 for non-specified locations.
+        int baseLocation = (outputVariable.location == -1 ? 0 : outputVariable.location);
+
+        ASSERT(outputVariable.staticUse);
+
+        for (unsigned int elementIndex = 0; elementIndex < outputVariable.elementCount();
+             elementIndex++)
+        {
+            const int location = baseLocation + elementIndex;
+            ASSERT(mState.mOutputVariables.count(location) == 0);
+            unsigned int element = outputVariable.isArray() ? elementIndex : GL_INVALID_INDEX;
+            mState.mOutputVariables[location] =
+                VariableLocation(outputVariable.name, element, outputVariableIndex);
+        }
+    }
+}
+
+bool Program::flattenUniformsAndCheckCapsForShader(const gl::Shader &shader,
+                                                   GLuint maxUniformComponents,
+                                                   GLuint maxTextureImageUnits,
+                                                   const std::string &componentsErrorMessage,
+                                                   const std::string &samplerErrorMessage,
+                                                   std::vector<LinkedUniform> &samplerUniforms,
+                                                   InfoLog &infoLog)
+{
+    VectorAndSamplerCount vasCount;
+    for (const sh::Uniform &uniform : shader.getUniforms())
+    {
+        if (uniform.staticUse)
+        {
+            vasCount += flattenUniform(uniform, uniform.name, &samplerUniforms);
+        }
+    }
+
+    if (vasCount.vectorCount > maxUniformComponents)
+    {
+        infoLog << componentsErrorMessage << maxUniformComponents << ").";
+        return false;
+    }
+
+    if (vasCount.samplerCount > maxTextureImageUnits)
+    {
+        infoLog << samplerErrorMessage << maxTextureImageUnits << ").";
+        return false;
+    }
+
+    return true;
+}
+
+bool Program::flattenUniformsAndCheckCaps(const Caps &caps, InfoLog &infoLog)
+{
+    std::vector<LinkedUniform> samplerUniforms;
+
+    if (mState.mAttachedComputeShader)
+    {
+        const gl::Shader *computeShader = mState.getAttachedComputeShader();
+
+        // TODO (mradev): check whether we need finer-grained component counting
+        if (!flattenUniformsAndCheckCapsForShader(
+                *computeShader, caps.maxComputeUniformComponents / 4,
+                caps.maxComputeTextureImageUnits,
+                "Compute shader active uniforms exceed MAX_COMPUTE_UNIFORM_COMPONENTS (",
+                "Compute shader sampler count exceeds MAX_COMPUTE_TEXTURE_IMAGE_UNITS (",
+                samplerUniforms, infoLog))
+        {
+            return false;
+        }
+    }
+    else
+    {
+        const gl::Shader *vertexShader = mState.getAttachedVertexShader();
+
+        if (!flattenUniformsAndCheckCapsForShader(
+                *vertexShader, caps.maxVertexUniformVectors, caps.maxVertexTextureImageUnits,
+                "Vertex shader active uniforms exceed MAX_VERTEX_UNIFORM_VECTORS (",
+                "Vertex shader sampler count exceeds MAX_VERTEX_TEXTURE_IMAGE_UNITS (",
+                samplerUniforms, infoLog))
+        {
+            return false;
+        }
+        const gl::Shader *fragmentShader = mState.getAttachedFragmentShader();
+
+        if (!flattenUniformsAndCheckCapsForShader(
+                *fragmentShader, caps.maxFragmentUniformVectors, caps.maxTextureImageUnits,
+                "Fragment shader active uniforms exceed MAX_FRAGMENT_UNIFORM_VECTORS (",
+                "Fragment shader sampler count exceeds MAX_TEXTURE_IMAGE_UNITS (", samplerUniforms,
+                infoLog))
+        {
+            return false;
+        }
+    }
+
+    mSamplerUniformRange.start = static_cast<unsigned int>(mState.mUniforms.size());
+    mSamplerUniformRange.end =
+        mSamplerUniformRange.start + static_cast<unsigned int>(samplerUniforms.size());
+
+    mState.mUniforms.insert(mState.mUniforms.end(), samplerUniforms.begin(), samplerUniforms.end());
+
+    return true;
+}
+
+Program::VectorAndSamplerCount Program::flattenUniform(const sh::ShaderVariable &uniform,
+                                                       const std::string &fullName,
+                                                       std::vector<LinkedUniform> *samplerUniforms)
+{
+    VectorAndSamplerCount vectorAndSamplerCount;
+
+    if (uniform.isStruct())
+    {
+        for (unsigned int elementIndex = 0; elementIndex < uniform.elementCount(); elementIndex++)
+        {
+            const std::string &elementString = (uniform.isArray() ? ArrayString(elementIndex) : "");
+
+            for (size_t fieldIndex = 0; fieldIndex < uniform.fields.size(); fieldIndex++)
+            {
+                const sh::ShaderVariable &field  = uniform.fields[fieldIndex];
+                const std::string &fieldFullName = (fullName + elementString + "." + field.name);
+
+                vectorAndSamplerCount += flattenUniform(field, fieldFullName, samplerUniforms);
+            }
+        }
+
+        return vectorAndSamplerCount;
+    }
+
+    // Not a struct
+    bool isSampler = IsSamplerType(uniform.type);
+    if (!UniformInList(mState.getUniforms(), fullName) &&
+        !UniformInList(*samplerUniforms, fullName))
+    {
+        gl::LinkedUniform linkedUniform(uniform.type, uniform.precision, fullName,
+                                        uniform.arraySize, -1,
+                                        sh::BlockMemberInfo::getDefaultBlockInfo());
+        linkedUniform.staticUse = true;
+
+        // Store sampler uniforms separately, so we'll append them to the end of the list.
+        if (isSampler)
+        {
+            samplerUniforms->push_back(linkedUniform);
+        }
+        else
+        {
+            mState.mUniforms.push_back(linkedUniform);
+        }
+    }
+
+    unsigned int elementCount          = uniform.elementCount();
+
+    // Samplers aren't "real" uniforms, so they don't count towards register usage.
+    // Likewise, don't count "real" uniforms towards sampler count.
+    vectorAndSamplerCount.vectorCount =
+        (isSampler ? 0 : (VariableRegisterCount(uniform.type) * elementCount));
+    vectorAndSamplerCount.samplerCount = (isSampler ? elementCount : 0);
+
+    return vectorAndSamplerCount;
+}
+
+void Program::gatherInterfaceBlockInfo()
+{
+    ASSERT(mState.mUniformBlocks.empty());
+
+    if (mState.mAttachedComputeShader)
+    {
+        const gl::Shader *computeShader = mState.getAttachedComputeShader();
+
+        for (const sh::InterfaceBlock &computeBlock : computeShader->getInterfaceBlocks())
+        {
+
+            // Only 'packed' blocks are allowed to be considered inactive.
+            if (!computeBlock.staticUse && computeBlock.layout == sh::BLOCKLAYOUT_PACKED)
+                continue;
+
+            for (gl::UniformBlock &block : mState.mUniformBlocks)
+            {
+                if (block.name == computeBlock.name)
+                {
+                    block.computeStaticUse = computeBlock.staticUse;
+                }
+            }
+
+            defineUniformBlock(computeBlock, GL_COMPUTE_SHADER);
+        }
+        return;
+    }
+
+    std::set<std::string> visitedList;
+
+    const gl::Shader *vertexShader = mState.getAttachedVertexShader();
+
+    for (const sh::InterfaceBlock &vertexBlock : vertexShader->getInterfaceBlocks())
+    {
+        // Only 'packed' blocks are allowed to be considered inactive.
+        if (!vertexBlock.staticUse && vertexBlock.layout == sh::BLOCKLAYOUT_PACKED)
+            continue;
+
+        if (visitedList.count(vertexBlock.name) > 0)
+            continue;
+
+        defineUniformBlock(vertexBlock, GL_VERTEX_SHADER);
+        visitedList.insert(vertexBlock.name);
+    }
+
+    const gl::Shader *fragmentShader = mState.getAttachedFragmentShader();
+
+    for (const sh::InterfaceBlock &fragmentBlock : fragmentShader->getInterfaceBlocks())
+    {
+        // Only 'packed' blocks are allowed to be considered inactive.
+        if (!fragmentBlock.staticUse && fragmentBlock.layout == sh::BLOCKLAYOUT_PACKED)
+            continue;
+
+        if (visitedList.count(fragmentBlock.name) > 0)
+        {
+            for (gl::UniformBlock &block : mState.mUniformBlocks)
+            {
+                if (block.name == fragmentBlock.name)
+                {
+                    block.fragmentStaticUse = fragmentBlock.staticUse;
+                }
+            }
+
+            continue;
+        }
+
+        defineUniformBlock(fragmentBlock, GL_FRAGMENT_SHADER);
+        visitedList.insert(fragmentBlock.name);
+    }
+}
+
+template <typename VarT>
+void Program::defineUniformBlockMembers(const std::vector<VarT> &fields,
+                                        const std::string &prefix,
+                                        int blockIndex)
+{
+    for (const VarT &field : fields)
+    {
+        const std::string &fullName = (prefix.empty() ? field.name : prefix + "." + field.name);
+
+        if (field.isStruct())
+        {
+            for (unsigned int arrayElement = 0; arrayElement < field.elementCount(); arrayElement++)
+            {
+                const std::string uniformElementName =
+                    fullName + (field.isArray() ? ArrayString(arrayElement) : "");
+                defineUniformBlockMembers(field.fields, uniformElementName, blockIndex);
+            }
+        }
+        else
+        {
+            // If getBlockMemberInfo returns false, the uniform is optimized out.
+            sh::BlockMemberInfo memberInfo;
+            if (!mProgram->getUniformBlockMemberInfo(fullName, &memberInfo))
+            {
+                continue;
+            }
+
+            LinkedUniform newUniform(field.type, field.precision, fullName, field.arraySize,
+                                     blockIndex, memberInfo);
+
+            // Since block uniforms have no location, we don't need to store them in the uniform
+            // locations list.
+            mState.mUniforms.push_back(newUniform);
+        }
+    }
+}
+
+void Program::defineUniformBlock(const sh::InterfaceBlock &interfaceBlock, GLenum shaderType)
+{
+    int blockIndex   = static_cast<int>(mState.mUniformBlocks.size());
+    size_t blockSize = 0;
+
+    // Don't define this block at all if it's not active in the implementation.
+    std::stringstream blockNameStr;
+    blockNameStr << interfaceBlock.name;
+    if (interfaceBlock.arraySize > 0)
+    {
+        blockNameStr << "[0]";
+    }
+    if (!mProgram->getUniformBlockSize(blockNameStr.str(), &blockSize))
+    {
+        return;
+    }
+
+    // Track the first and last uniform index to determine the range of active uniforms in the
+    // block.
+    size_t firstBlockUniformIndex = mState.mUniforms.size();
+    defineUniformBlockMembers(interfaceBlock.fields, interfaceBlock.fieldPrefix(), blockIndex);
+    size_t lastBlockUniformIndex = mState.mUniforms.size();
+
+    std::vector<unsigned int> blockUniformIndexes;
+    for (size_t blockUniformIndex = firstBlockUniformIndex;
+         blockUniformIndex < lastBlockUniformIndex; ++blockUniformIndex)
+    {
+        blockUniformIndexes.push_back(static_cast<unsigned int>(blockUniformIndex));
+    }
+
+    if (interfaceBlock.arraySize > 0)
+    {
+        for (unsigned int arrayElement = 0; arrayElement < interfaceBlock.arraySize; ++arrayElement)
+        {
+            UniformBlock block(interfaceBlock.name, true, arrayElement);
+            block.memberUniformIndexes = blockUniformIndexes;
+
+            switch (shaderType)
+            {
+                case GL_VERTEX_SHADER:
+                {
+                    block.vertexStaticUse = interfaceBlock.staticUse;
+                    break;
+                }
+                case GL_FRAGMENT_SHADER:
+                {
+                    block.fragmentStaticUse = interfaceBlock.staticUse;
+                    break;
+                }
+                case GL_COMPUTE_SHADER:
+                {
+                    block.computeStaticUse = interfaceBlock.staticUse;
+                    break;
+                }
+                default:
+                    UNREACHABLE();
+            }
+
+            // Since all block elements in an array share the same active uniforms, they will all be
+            // active once any uniform member is used. So, since interfaceBlock.name[0] was active,
+            // here we will add every block element in the array.
+            block.dataSize = static_cast<unsigned int>(blockSize);
+            mState.mUniformBlocks.push_back(block);
+        }
+    }
+    else
+    {
+        UniformBlock block(interfaceBlock.name, false, 0);
+        block.memberUniformIndexes = blockUniformIndexes;
+
+        switch (shaderType)
+        {
+            case GL_VERTEX_SHADER:
+            {
+                block.vertexStaticUse = interfaceBlock.staticUse;
+                break;
+            }
+            case GL_FRAGMENT_SHADER:
+            {
+                block.fragmentStaticUse = interfaceBlock.staticUse;
+                break;
+            }
+            case GL_COMPUTE_SHADER:
+            {
+                block.computeStaticUse = interfaceBlock.staticUse;
+                break;
+            }
+            default:
+                UNREACHABLE();
+        }
+
+        block.dataSize = static_cast<unsigned int>(blockSize);
+        mState.mUniformBlocks.push_back(block);
+    }
+}
+
+template <typename T>
+GLsizei Program::setUniformInternal(GLint location, GLsizei countIn, int vectorSize, const T *v)
+{
+    const VariableLocation &locationInfo = mState.mUniformLocations[location];
+    LinkedUniform *linkedUniform         = &mState.mUniforms[locationInfo.index];
+    uint8_t *destPointer                 = linkedUniform->getDataPtrToElement(locationInfo.element);
+
+    // OpenGL ES 3.0.4 spec pg 67: "Values for any array element that exceeds the highest array
+    // element index used, as reported by GetActiveUniform, will be ignored by the GL."
+    unsigned int remainingElements = linkedUniform->elementCount() - locationInfo.element;
+    GLsizei maxElementCount =
+        static_cast<GLsizei>(remainingElements * linkedUniform->getElementComponents());
+
+    GLsizei count        = countIn;
+    GLsizei clampedCount = count * vectorSize;
+    if (clampedCount > maxElementCount)
+    {
+        clampedCount = maxElementCount;
+        count        = maxElementCount / vectorSize;
+    }
+
+    if (VariableComponentType(linkedUniform->type) == GL_BOOL)
+    {
+        // Do a cast conversion for boolean types. From the spec:
+        // "The uniform is set to FALSE if the input value is 0 or 0.0f, and set to TRUE otherwise."
+        GLint *destAsInt = reinterpret_cast<GLint *>(destPointer);
+        for (GLsizei component = 0; component < clampedCount; ++component)
+        {
+            destAsInt[component] = (v[component] != static_cast<T>(0) ? GL_TRUE : GL_FALSE);
+        }
+    }
+    else
+    {
+        // Invalide the validation cache if we modify the sampler data.
+        if (linkedUniform->isSampler() && memcmp(destPointer, v, sizeof(T) * clampedCount) != 0)
+        {
+            mCachedValidateSamplersResult.reset();
+        }
+
+        memcpy(destPointer, v, sizeof(T) * clampedCount);
+    }
+
+    return count;
+}
+
+template <size_t cols, size_t rows, typename T>
+GLsizei Program::setMatrixUniformInternal(GLint location,
+                                          GLsizei count,
+                                          GLboolean transpose,
+                                          const T *v)
+{
+    if (!transpose)
+    {
+        return setUniformInternal(location, count, cols * rows, v);
+    }
+
+    // Perform a transposing copy.
+    const VariableLocation &locationInfo = mState.mUniformLocations[location];
+    LinkedUniform *linkedUniform         = &mState.mUniforms[locationInfo.index];
+    T *destPtr = reinterpret_cast<T *>(linkedUniform->getDataPtrToElement(locationInfo.element));
+
+    // OpenGL ES 3.0.4 spec pg 67: "Values for any array element that exceeds the highest array
+    // element index used, as reported by GetActiveUniform, will be ignored by the GL."
+    unsigned int remainingElements = linkedUniform->elementCount() - locationInfo.element;
+    GLsizei clampedCount           = std::min(count, static_cast<GLsizei>(remainingElements));
+
+    for (GLsizei element = 0; element < clampedCount; ++element)
+    {
+        size_t elementOffset = element * rows * cols;
+
+        for (size_t row = 0; row < rows; ++row)
+        {
+            for (size_t col = 0; col < cols; ++col)
+            {
+                destPtr[col * rows + row + elementOffset] = v[row * cols + col + elementOffset];
+            }
+        }
+    }
+
+    return clampedCount;
+}
+
+template <typename DestT>
+void Program::getUniformInternal(GLint location, DestT *dataOut) const
+{
+    const VariableLocation &locationInfo = mState.mUniformLocations[location];
+    const LinkedUniform &uniform         = mState.mUniforms[locationInfo.index];
+
+    const uint8_t *srcPointer = uniform.getDataPtrToElement(locationInfo.element);
+
+    GLenum componentType = VariableComponentType(uniform.type);
+    if (componentType == GLTypeToGLenum<DestT>::value)
+    {
+        memcpy(dataOut, srcPointer, uniform.getElementSize());
+        return;
+    }
+
+    int components = VariableComponentCount(uniform.type);
+
+    switch (componentType)
+    {
+        case GL_INT:
+            UniformStateQueryCastLoop<GLint>(dataOut, srcPointer, components);
+            break;
+        case GL_UNSIGNED_INT:
+            UniformStateQueryCastLoop<GLuint>(dataOut, srcPointer, components);
+            break;
+        case GL_BOOL:
+            UniformStateQueryCastLoop<GLboolean>(dataOut, srcPointer, components);
+            break;
+        case GL_FLOAT:
+            UniformStateQueryCastLoop<GLfloat>(dataOut, srcPointer, components);
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+}