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//
// Copyright 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.
//
#include "libANGLE/AttributeMap.h"
#include "common/debug.h"
namespace egl
{
AttributeMap::AttributeMap() = default;
AttributeMap::AttributeMap(const AttributeMap &other) = default;
AttributeMap &AttributeMap::operator=(const AttributeMap &other) = default;
AttributeMap::~AttributeMap() = default;
void AttributeMap::insert(EGLAttrib key, EGLAttrib value)
{
mValidatedAttributes[key] = value;
}
bool AttributeMap::contains(EGLAttrib key) const
{
return (attribs().find(key) != attribs().end());
}
EGLAttrib AttributeMap::get(EGLAttrib key) const
{
auto iter = attribs().find(key);
ASSERT(iter != attribs().end());
return iter->second;
}
EGLAttrib AttributeMap::get(EGLAttrib key, EGLAttrib defaultValue) const
{
auto iter = attribs().find(key);
return (iter != attribs().end()) ? iter->second : defaultValue;
}
EGLint AttributeMap::getAsInt(EGLAttrib key) const
{
return static_cast<EGLint>(get(key));
}
EGLint AttributeMap::getAsInt(EGLAttrib key, EGLint defaultValue) const
{
return static_cast<EGLint>(get(key, static_cast<EGLAttrib>(defaultValue)));
}
bool AttributeMap::isEmpty() const
{
return attribs().empty();
}
std::vector<EGLint> AttributeMap::toIntVector() const
{
std::vector<EGLint> ret;
for (const auto &pair : attribs())
{
ret.push_back(static_cast<EGLint>(pair.first));
ret.push_back(static_cast<EGLint>(pair.second));
}
ret.push_back(EGL_NONE);
return ret;
}
AttributeMap::const_iterator AttributeMap::begin() const
{
return attribs().begin();
}
AttributeMap::const_iterator AttributeMap::end() const
{
return attribs().end();
}
bool AttributeMap::validate(const ValidationContext *val,
const egl::Display *display,
AttributeValidationFunc validationFunc) const
{
if (mIntPointer)
{
for (const EGLint *curAttrib = mIntPointer; curAttrib[0] != EGL_NONE; curAttrib += 2)
{
if (!validationFunc(val, display, curAttrib[0]))
{
return false;
}
mValidatedAttributes[static_cast<EGLAttrib>(curAttrib[0])] =
static_cast<EGLAttrib>(curAttrib[1]);
}
mIntPointer = nullptr;
}
if (mAttribPointer)
{
for (const EGLAttrib *curAttrib = mAttribPointer; curAttrib[0] != EGL_NONE; curAttrib += 2)
{
if (!validationFunc(val, display, curAttrib[0]))
{
return false;
}
mValidatedAttributes[curAttrib[0]] = curAttrib[1];
}
mAttribPointer = nullptr;
}
return true;
}
void AttributeMap::initializeWithoutValidation() const
{
auto alwaysTrue = [](const ValidationContext *, const egl::Display *, EGLAttrib) {
return true;
};
(void)validate(nullptr, nullptr, alwaysTrue);
}
// static
AttributeMap AttributeMap::CreateFromIntArray(const EGLint *attributes)
{
AttributeMap map;
map.mIntPointer = attributes;
return map;
}
// static
AttributeMap AttributeMap::CreateFromAttribArray(const EGLAttrib *attributes)
{
AttributeMap map;
map.mAttribPointer = attributes;
return map;
}
bool AttributeMap::isValidated() const
{
return mIntPointer == nullptr && mAttribPointer == nullptr;
}
} // namespace egl
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