diff options
author | bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-06-22 12:34:22 +0000 |
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committer | bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-06-22 12:34:22 +0000 |
commit | 5e2412983183f9c4075a795278f3ca4ffee0ed79 (patch) | |
tree | 0cbd270ba4a640bb1f021a55f7508d0699379bd5 /include/gpu | |
parent | 9e553c6e7cff5fd699ed4dee1d52317362ea30d0 (diff) |
Move GrTemplates.h to src
Review URL: http://codereview.appspot.com/6333053/
git-svn-id: http://skia.googlecode.com/svn/trunk@4300 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'include/gpu')
-rw-r--r-- | include/gpu/GrTemplates.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/include/gpu/GrTemplates.h b/include/gpu/GrTemplates.h deleted file mode 100644 index 4378d70949..0000000000 --- a/include/gpu/GrTemplates.h +++ /dev/null @@ -1,70 +0,0 @@ - -/* - * Copyright 2010 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - - -#ifndef GrTemplates_DEFINED -#define GrTemplates_DEFINED - -#include "GrNoncopyable.h" - -/** - * Use to cast a ptr to a different type, and maintain strict-aliasing - */ -template <typename Dst, typename Src> Dst GrTCast(Src src) { - union { - Src src; - Dst dst; - } data; - data.src = src; - return data.dst; -} - -/** - * takes a T*, saves the value it points to, in and restores the value in the - * destructor - * e.g.: - * { - * GrAutoTRestore<int*> autoCountRestore; - * if (useExtra) { - * autoCountRestore.reset(&fCount); - * fCount += fExtraCount; - * } - * ... - * } // fCount is restored - */ -template <typename T> class GrAutoTRestore : public GrNoncopyable { -public: - GrAutoTRestore() : fPtr(NULL), fVal() {} - - GrAutoTRestore(T* ptr) { - fPtr = ptr; - if (NULL != ptr) { - fVal = *ptr; - } - } - - ~GrAutoTRestore() { - if (NULL != fPtr) { - *fPtr = fVal; - } - } - - // restores previously saved value (if any) and saves value for passed T* - void reset(T* ptr) { - if (NULL != fPtr) { - *fPtr = fVal; - } - fPtr = ptr; - fVal = *ptr; - } -private: - T* fPtr; - T fVal; -}; - -#endif |