gfx/skia/trunk/include/gpu/gl/GrGLExtensions.h@deefc01c0e14 (annotated)
gfx/skia/trunk/include/gpu/gl/GrGLExtensions.h
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef GrGLExtensions_DEFINED |
| michael@0 | 9 | #define GrGLExtensions_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "GrGLFunctions.h" |
| michael@0 | 12 | #include "SkString.h" |
| michael@0 | 13 | #include "SkTArray.h" |
| michael@0 | 14 | |
| michael@0 | 15 | struct GrGLInterface; |
| michael@0 | 16 | |
| michael@0 | 17 | /** |
| michael@0 | 18 | * This helper queries the current GL context for its extensions, remembers them, and can be |
| michael@0 | 19 | * queried. It supports both glGetString- and glGetStringi-style extension string APIs and will |
| michael@0 | 20 | * use the latter if it is available. |
| michael@0 | 21 | */ |
| michael@0 | 22 | class SK_API GrGLExtensions { |
| michael@0 | 23 | public: |
| michael@0 | 24 | GrGLExtensions() : fInitialized(false), fStrings(SkNEW(SkTArray<SkString>)) {} |
| michael@0 | 25 | |
| michael@0 | 26 | GrGLExtensions(const GrGLExtensions&); |
| michael@0 | 27 | |
| michael@0 | 28 | GrGLExtensions& operator=(const GrGLExtensions&); |
| michael@0 | 29 | |
| michael@0 | 30 | void swap(GrGLExtensions* that) { |
| michael@0 | 31 | fStrings.swap(&that->fStrings); |
| michael@0 | 32 | SkTSwap(fInitialized, that->fInitialized); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | /** |
| michael@0 | 36 | * We sometimes need to use this class without having yet created a GrGLInterface. This version |
| michael@0 | 37 | * of init expects that getString is always non-NULL while getIntegerv and getStringi are non- |
| michael@0 | 38 | * NULL if on desktop GL with version 3.0 or higher. Otherwise it will fail. |
| michael@0 | 39 | */ |
| michael@0 | 40 | bool init(GrGLStandard standard, |
| michael@0 | 41 | GrGLGetStringProc getString, |
| michael@0 | 42 | GrGLGetStringiProc getStringi, |
| michael@0 | 43 | GrGLGetIntegervProc getIntegerv); |
| michael@0 | 44 | |
| michael@0 | 45 | bool isInitialized() const { return fInitialized; } |
| michael@0 | 46 | |
| michael@0 | 47 | /** |
| michael@0 | 48 | * Queries whether an extension is present. This will fail if init() has not been called. |
| michael@0 | 49 | */ |
| michael@0 | 50 | bool has(const char[]) const; |
| michael@0 | 51 | |
| michael@0 | 52 | /** |
| michael@0 | 53 | * Removes an extension if present. Returns true if the extension was present before the call. |
| michael@0 | 54 | */ |
| michael@0 | 55 | bool remove(const char[]); |
| michael@0 | 56 | |
| michael@0 | 57 | /** |
| michael@0 | 58 | * Adds an extension to list |
| michael@0 | 59 | */ |
| michael@0 | 60 | void add(const char[]); |
| michael@0 | 61 | |
| michael@0 | 62 | void reset() { fStrings->reset(); } |
| michael@0 | 63 | |
| michael@0 | 64 | void print(const char* sep = "\n") const; |
| michael@0 | 65 | |
| michael@0 | 66 | private: |
| michael@0 | 67 | bool fInitialized; |
| michael@0 | 68 | SkAutoTDelete<SkTArray<SkString> > fStrings; |
| michael@0 | 69 | }; |
| michael@0 | 70 | |
| michael@0 | 71 | #endif |
