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Diffstat (limited to 'gfx/angle/src/libANGLE/AttributeMap.cpp')
-rwxr-xr-x | gfx/angle/src/libANGLE/AttributeMap.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/AttributeMap.cpp b/gfx/angle/src/libANGLE/AttributeMap.cpp new file mode 100755 index 000000000..73d94924d --- /dev/null +++ b/gfx/angle/src/libANGLE/AttributeMap.cpp @@ -0,0 +1,93 @@ +// +// Copyright (c) 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" + +namespace egl +{ + +AttributeMap::AttributeMap() +{ +} + +void AttributeMap::insert(EGLAttrib key, EGLAttrib value) +{ + mAttributes[key] = value; +} + +bool AttributeMap::contains(EGLAttrib key) const +{ + return (mAttributes.find(key) != mAttributes.end()); +} + +EGLAttrib AttributeMap::get(EGLAttrib key, EGLAttrib defaultValue) const +{ + std::map<EGLAttrib, EGLAttrib>::const_iterator iter = mAttributes.find(key); + return (mAttributes.find(key) != mAttributes.end()) ? iter->second : defaultValue; +} + +EGLint AttributeMap::getAsInt(EGLAttrib key, EGLint defaultValue) const +{ + return static_cast<EGLint>( + get(static_cast<EGLAttrib>(key), static_cast<EGLAttrib>(defaultValue))); +} + +bool AttributeMap::isEmpty() const +{ + return mAttributes.empty(); +} + +std::vector<EGLint> AttributeMap::toIntVector() const +{ + std::vector<EGLint> ret; + for (const auto &pair : mAttributes) + { + 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 mAttributes.begin(); +} + +AttributeMap::const_iterator AttributeMap::end() const +{ + return mAttributes.end(); +} + +// static +AttributeMap AttributeMap::CreateFromIntArray(const EGLint *attributes) +{ + AttributeMap map; + if (attributes) + { + for (const EGLint *curAttrib = attributes; curAttrib[0] != EGL_NONE; curAttrib += 2) + { + map.insert(static_cast<EGLAttrib>(curAttrib[0]), static_cast<EGLAttrib>(curAttrib[1])); + } + } + return map; +} + +// static +AttributeMap AttributeMap::CreateFromAttribArray(const EGLAttrib *attributes) +{ + AttributeMap map; + if (attributes) + { + for (const EGLAttrib *curAttrib = attributes; curAttrib[0] != EGL_NONE; curAttrib += 2) + { + map.insert(curAttrib[0], curAttrib[1]); + } + } + return map; +} +} |