michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // angleutils.h: Common ANGLE utilities.
michael@0: 
michael@0: #ifndef COMMON_ANGLEUTILS_H_
michael@0: #define COMMON_ANGLEUTILS_H_
michael@0: 
michael@0: #include <stddef.h>
michael@0: 
michael@0: // A macro to disallow the copy constructor and operator= functions
michael@0: // This must be used in the private: declarations for a class
michael@0: #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
michael@0:   TypeName(const TypeName&);               \
michael@0:   void operator=(const TypeName&)
michael@0: 
michael@0: template <typename T, unsigned int N>
michael@0: inline unsigned int ArraySize(T(&)[N])
michael@0: {
michael@0:     return N;
michael@0: }
michael@0: 
michael@0: template <typename T, unsigned int N>
michael@0: void SafeRelease(T (&resourceBlock)[N])
michael@0: {
michael@0:     for (unsigned int i = 0; i < N; i++)
michael@0:     {
michael@0:         SafeRelease(resourceBlock[i]);
michael@0:     }
michael@0: }
michael@0: 
michael@0: template <typename T>
michael@0: void SafeRelease(T& resource)
michael@0: {
michael@0:     if (resource)
michael@0:     {
michael@0:         resource->Release();
michael@0:         resource = NULL;
michael@0:     }
michael@0: }
michael@0: 
michael@0: #if defined(_MSC_VER)
michael@0: #define snprintf _snprintf
michael@0: #endif
michael@0: 
michael@0: #define VENDOR_ID_AMD 0x1002
michael@0: #define VENDOR_ID_INTEL 0x8086
michael@0: #define VENDOR_ID_NVIDIA 0x10DE
michael@0: 
michael@0: #define GL_BGRA4_ANGLEX 0x6ABC
michael@0: #define GL_BGR5_A1_ANGLEX 0x6ABD
michael@0: 
michael@0: #endif // COMMON_ANGLEUTILS_H_