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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GL_UTILS_H
#define GL_UTILS_H
#include <inttypes.h>
#include <assert.h>
typedef enum{
GLES_1_1 = 1,
GLES_2_0 = 2,
MAX_GLES_VERSION //Must be last
}GLESVersion;
template <class T>
void swap(T& x,T& y) {
T temp;
temp=x;
x=y;
y=temp;
}
bool isPowerOf2(int num);
inline
unsigned int ToTargetCompatibleHandle(uintptr_t hostHandle)
{
// The host and target handles can have different sizes (e.g. 32-bit
// target handle for ARM, and 64-bit host handle on x86_64).
// This function checks that the input host handle value can be
// converted into a target handle one without losing any bits.
//
unsigned int targetHandle = (unsigned int)hostHandle;
assert(sizeof(targetHandle) == sizeof(hostHandle) || targetHandle == hostHandle);
return targetHandle;
}
#endif
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