The Tor Browser / file comparison
comparison: gfx/gl/GfxTexturesReporter.cpp
gfx/gl/GfxTexturesReporter.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:fa22f6d21194 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* vim: set ts=8 sts=4 et sw=4 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "GfxTexturesReporter.h" | |
| 8 #include "GLDefs.h" | |
| 9 | |
| 10 using namespace mozilla; | |
| 11 using namespace mozilla::gl; | |
| 12 | |
| 13 NS_IMPL_ISUPPORTS(GfxTexturesReporter, nsIMemoryReporter) | |
| 14 | |
| 15 int64_t GfxTexturesReporter::sAmount = 0; | |
| 16 | |
| 17 static uint32_t | |
| 18 GetBitsPerTexel(GLenum format, GLenum type) | |
| 19 { | |
| 20 // If there is no defined format or type, we're not taking up any memory | |
| 21 if (!format || !type) { | |
| 22 return 0; | |
| 23 } | |
| 24 | |
| 25 if (format == LOCAL_GL_DEPTH_COMPONENT) { | |
| 26 if (type == LOCAL_GL_UNSIGNED_SHORT) | |
| 27 return 2*8; | |
| 28 else if (type == LOCAL_GL_UNSIGNED_INT) | |
| 29 return 4*8; | |
| 30 } else if (format == LOCAL_GL_DEPTH_STENCIL) { | |
| 31 if (type == LOCAL_GL_UNSIGNED_INT_24_8_EXT) | |
| 32 return 4*8; | |
| 33 } | |
| 34 | |
| 35 if (type == LOCAL_GL_UNSIGNED_BYTE || type == LOCAL_GL_FLOAT) { | |
| 36 uint32_t multiplier = type == LOCAL_GL_FLOAT ? 32 : 8; | |
| 37 switch (format) { | |
| 38 case LOCAL_GL_ALPHA: | |
| 39 case LOCAL_GL_LUMINANCE: | |
| 40 return 1 * multiplier; | |
| 41 case LOCAL_GL_LUMINANCE_ALPHA: | |
| 42 return 2 * multiplier; | |
| 43 case LOCAL_GL_RGB: | |
| 44 return 3 * multiplier; | |
| 45 case LOCAL_GL_RGBA: | |
| 46 return 4 * multiplier; | |
| 47 case LOCAL_GL_COMPRESSED_RGB_PVRTC_2BPPV1: | |
| 48 case LOCAL_GL_COMPRESSED_RGBA_PVRTC_2BPPV1: | |
| 49 return 2; | |
| 50 case LOCAL_GL_COMPRESSED_RGB_S3TC_DXT1_EXT: | |
| 51 case LOCAL_GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: | |
| 52 case LOCAL_GL_ATC_RGB: | |
| 53 case LOCAL_GL_COMPRESSED_RGB_PVRTC_4BPPV1: | |
| 54 case LOCAL_GL_COMPRESSED_RGBA_PVRTC_4BPPV1: | |
| 55 case LOCAL_GL_ETC1_RGB8_OES: | |
| 56 return 4; | |
| 57 case LOCAL_GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: | |
| 58 case LOCAL_GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: | |
| 59 case LOCAL_GL_ATC_RGBA_EXPLICIT_ALPHA: | |
| 60 case LOCAL_GL_ATC_RGBA_INTERPOLATED_ALPHA: | |
| 61 return 8; | |
| 62 default: | |
| 63 break; | |
| 64 } | |
| 65 } else if (type == LOCAL_GL_UNSIGNED_SHORT_4_4_4_4 || | |
| 66 type == LOCAL_GL_UNSIGNED_SHORT_5_5_5_1 || | |
| 67 type == LOCAL_GL_UNSIGNED_SHORT_5_6_5) | |
| 68 { | |
| 69 return 2*8; | |
| 70 } | |
| 71 | |
| 72 MOZ_ASSERT(false); | |
| 73 return 0; | |
| 74 } | |
| 75 | |
| 76 /* static */ void | |
| 77 GfxTexturesReporter::UpdateAmount(MemoryUse action, GLenum format, | |
| 78 GLenum type, int32_t tileWidth, | |
| 79 int32_t tileHeight) | |
| 80 { | |
| 81 int64_t bitsPerTexel = GetBitsPerTexel(format, type); | |
| 82 int64_t bytes = int64_t(tileWidth) * int64_t(tileHeight) * bitsPerTexel/8; | |
| 83 if (action == MemoryFreed) { | |
| 84 sAmount -= bytes; | |
| 85 } else { | |
| 86 sAmount += bytes; | |
| 87 } | |
| 88 } |
