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Diffstat (limited to 'distrib/android-emugl/host/libs/Translator/include/GLcommon/GLutils.h')
-rw-r--r-- | distrib/android-emugl/host/libs/Translator/include/GLcommon/GLutils.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/distrib/android-emugl/host/libs/Translator/include/GLcommon/GLutils.h b/distrib/android-emugl/host/libs/Translator/include/GLcommon/GLutils.h new file mode 100644 index 000000000..974b9be52 --- /dev/null +++ b/distrib/android-emugl/host/libs/Translator/include/GLcommon/GLutils.h @@ -0,0 +1,52 @@ +/* +* 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 <assert.h> +#include <inttypes.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); + +// <EGL/egl.h> defines many types as 'void*' while they're really +// implemented as unsigned integers. These convenience template functions +// help casting between them safely without generating compiler warnings. +inline void* SafePointerFromUInt(unsigned int handle) { + return (void*)(uintptr_t)(handle); +} + +inline unsigned int SafeUIntFromPointer(const void* ptr) { + // Assertion error if the pointer contains a value that does not fit + // in an unsigned integer! + assert((uintptr_t)(ptr) == (unsigned int)(uintptr_t)(ptr)); + return (unsigned int)(uintptr_t)(ptr); +} + +#endif |