The Tor Browser / file comparison
comparison: widget/android/AndroidGraphicBuffer.h
widget/android/AndroidGraphicBuffer.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5f12f90fa878 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef AndroidGraphicBuffer_h_ | |
| 7 #define AndroidGraphicBuffer_h_ | |
| 8 | |
| 9 #include "gfxTypes.h" | |
| 10 | |
| 11 typedef void* EGLImageKHR; | |
| 12 typedef void* EGLClientBuffer; | |
| 13 | |
| 14 struct nsIntRect; | |
| 15 | |
| 16 namespace mozilla { | |
| 17 | |
| 18 /** | |
| 19 * This class allows access to Android's direct texturing mechanism. Locking | |
| 20 * the buffer gives you a pointer you can read/write to directly. It is fully | |
| 21 * threadsafe, but you probably really want to use the AndroidDirectTexture | |
| 22 * class which will handle double buffering. | |
| 23 * | |
| 24 * In order to use the buffer in OpenGL, just call Bind() and it will attach | |
| 25 * to whatever texture is bound to GL_TEXTURE_2D. | |
| 26 */ | |
| 27 class AndroidGraphicBuffer | |
| 28 { | |
| 29 public: | |
| 30 enum { | |
| 31 UsageSoftwareRead = 1, | |
| 32 UsageSoftwareWrite = 1 << 1, | |
| 33 UsageTexture = 1 << 2, | |
| 34 UsageTarget = 1 << 3, | |
| 35 Usage2D = 1 << 4 | |
| 36 }; | |
| 37 | |
| 38 AndroidGraphicBuffer(uint32_t width, uint32_t height, uint32_t usage, gfxImageFormat format); | |
| 39 virtual ~AndroidGraphicBuffer(); | |
| 40 | |
| 41 int Lock(uint32_t usage, unsigned char **bits); | |
| 42 int Lock(uint32_t usage, const nsIntRect& rect, unsigned char **bits); | |
| 43 int Unlock(); | |
| 44 bool Reallocate(uint32_t aWidth, uint32_t aHeight, gfxImageFormat aFormat); | |
| 45 | |
| 46 uint32_t Width() { return mWidth; } | |
| 47 uint32_t Height() { return mHeight; } | |
| 48 | |
| 49 bool Bind(); | |
| 50 | |
| 51 static bool IsBlacklisted(); | |
| 52 | |
| 53 private: | |
| 54 uint32_t mWidth; | |
| 55 uint32_t mHeight; | |
| 56 uint32_t mUsage; | |
| 57 gfxImageFormat mFormat; | |
| 58 | |
| 59 bool EnsureInitialized(); | |
| 60 bool EnsureEGLImage(); | |
| 61 | |
| 62 void DestroyBuffer(); | |
| 63 bool EnsureBufferCreated(); | |
| 64 | |
| 65 uint32_t GetAndroidUsage(uint32_t aUsage); | |
| 66 uint32_t GetAndroidFormat(gfxImageFormat aFormat); | |
| 67 | |
| 68 void *mHandle; | |
| 69 void *mEGLImage; | |
| 70 }; | |
| 71 | |
| 72 } /* mozilla */ | |
| 73 #endif /* AndroidGraphicBuffer_h_ */ |
