1 files changed, 171 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/Uniform.cpp b/gfx/angle/checkout/src/libANGLE/Uniform.cpp
new file mode 100644
index 0000000000..614f5018e9
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Uniform.cpp
@@ -0,0 +1,171 @@
+//
+// Copyright 2010 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.
+//
+
+#include "libANGLE/Uniform.h"
+
+#include <cstring>
+
+namespace gl
+{
+
+ActiveVariable::ActiveVariable() {}
+
+ActiveVariable::~ActiveVariable() {}
+
+ActiveVariable::ActiveVariable(const ActiveVariable &rhs) = default;
+ActiveVariable &ActiveVariable::operator=(const ActiveVariable &rhs) = default;
+
+void ActiveVariable::setActive(ShaderType shaderType, bool used)
+{
+    ASSERT(shaderType != ShaderType::InvalidEnum);
+    mActiveUseBits.set(shaderType, used);
+}
+
+void ActiveVariable::unionReferencesWith(const ActiveVariable &other)
+{
+    mActiveUseBits |= other.mActiveUseBits;
+}
+
+ShaderType ActiveVariable::getFirstShaderTypeWhereActive() const
+{
+    return static_cast<ShaderType>(ScanForward(mActiveUseBits.bits()));
+}
+
+GLuint ActiveVariable::activeShaderCount() const
+{
+    return static_cast<GLuint>(mActiveUseBits.count());
+}
+
+LinkedUniform::LinkedUniform()
+    : typeInfo(nullptr), bufferIndex(-1), blockInfo(sh::kDefaultBlockMemberInfo)
+{}
+
+LinkedUniform::LinkedUniform(GLenum typeIn,
+                             GLenum precisionIn,
+                             const std::string &nameIn,
+                             const std::vector<unsigned int> &arraySizesIn,
+                             const int bindingIn,
+                             const int offsetIn,
+                             const int locationIn,
+                             const int bufferIndexIn,
+                             const sh::BlockMemberInfo &blockInfoIn)
+    : typeInfo(&GetUniformTypeInfo(typeIn)), bufferIndex(bufferIndexIn), blockInfo(blockInfoIn)
+{
+    type       = typeIn;
+    precision  = precisionIn;
+    name       = nameIn;
+    arraySizes = arraySizesIn;
+    binding    = bindingIn;
+    offset     = offsetIn;
+    location   = locationIn;
+    ASSERT(!isArrayOfArrays());
+    ASSERT(!isArray() || !isStruct());
+}
+
+LinkedUniform::LinkedUniform(const sh::ShaderVariable &uniform)
+    : sh::ShaderVariable(uniform),
+      typeInfo(&GetUniformTypeInfo(type)),
+      bufferIndex(-1),
+      blockInfo(sh::kDefaultBlockMemberInfo)
+{
+    ASSERT(!isArrayOfArrays());
+    ASSERT(!isArray() || !isStruct());
+}
+
+LinkedUniform::LinkedUniform(const LinkedUniform &uniform)
+    : sh::ShaderVariable(uniform),
+      ActiveVariable(uniform),
+      typeInfo(uniform.typeInfo),
+      bufferIndex(uniform.bufferIndex),
+      blockInfo(uniform.blockInfo),
+      outerArraySizes(uniform.outerArraySizes)
+{}
+
+LinkedUniform &LinkedUniform::operator=(const LinkedUniform &uniform)
+{
+    sh::ShaderVariable::operator=(uniform);
+    ActiveVariable::operator    =(uniform);
+    typeInfo                    = uniform.typeInfo;
+    bufferIndex                 = uniform.bufferIndex;
+    blockInfo                   = uniform.blockInfo;
+    outerArraySizes             = uniform.outerArraySizes;
+    return *this;
+}
+
+LinkedUniform::~LinkedUniform() {}
+
+BufferVariable::BufferVariable()
+    : bufferIndex(-1), blockInfo(sh::kDefaultBlockMemberInfo), topLevelArraySize(-1)
+{}
+
+BufferVariable::BufferVariable(GLenum typeIn,
+                               GLenum precisionIn,
+                               const std::string &nameIn,
+                               const std::vector<unsigned int> &arraySizesIn,
+                               const int bufferIndexIn,
+                               const sh::BlockMemberInfo &blockInfoIn)
+    : bufferIndex(bufferIndexIn), blockInfo(blockInfoIn), topLevelArraySize(-1)
+{
+    type       = typeIn;
+    precision  = precisionIn;
+    name       = nameIn;
+    arraySizes = arraySizesIn;
+}
+
+BufferVariable::~BufferVariable() {}
+
+ShaderVariableBuffer::ShaderVariableBuffer() : binding(0), dataSize(0) {}
+
+ShaderVariableBuffer::ShaderVariableBuffer(const ShaderVariableBuffer &other) = default;
+
+ShaderVariableBuffer::~ShaderVariableBuffer() {}
+
+int ShaderVariableBuffer::numActiveVariables() const
+{
+    return static_cast<int>(memberIndexes.size());
+}
+
+InterfaceBlock::InterfaceBlock() : isArray(false), arrayElement(0) {}
+
+InterfaceBlock::InterfaceBlock(const std::string &nameIn,
+                               const std::string &mappedNameIn,
+                               bool isArrayIn,
+                               unsigned int arrayElementIn,
+                               unsigned int firstFieldArraySizeIn,
+                               int bindingIn)
+    : name(nameIn),
+      mappedName(mappedNameIn),
+      isArray(isArrayIn),
+      arrayElement(arrayElementIn),
+      firstFieldArraySize(firstFieldArraySizeIn)
+{
+    binding = bindingIn;
+}
+
+std::string InterfaceBlock::nameWithArrayIndex() const
+{
+    std::stringstream fullNameStr;
+    fullNameStr << name;
+    if (isArray)
+    {
+        fullNameStr << "[" << arrayElement << "]";
+    }
+
+    return fullNameStr.str();
+}
+
+std::string InterfaceBlock::mappedNameWithArrayIndex() const
+{
+    std::stringstream fullNameStr;
+    fullNameStr << mappedName;
+    if (isArray)
+    {
+        fullNameStr << "[" << arrayElement << "]";
+    }
+
+    return fullNameStr.str();
+}
+}  // namespace gl