1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/WebGLContextReporter.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,149 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "WebGLContext.h"
1.10 +#include "WebGLMemoryTracker.h"
1.11 +
1.12 +using namespace mozilla;
1.13 +
1.14 +NS_IMPL_ISUPPORTS(WebGLMemoryPressureObserver, nsIObserver)
1.15 +
1.16 +NS_IMETHODIMP
1.17 +WebGLMemoryTracker::CollectReports(nsIHandleReportCallback* aHandleReport,
1.18 + nsISupports* aData)
1.19 +{
1.20 +#define REPORT(_path, _kind, _units, _amount, _desc) \
1.21 + do { \
1.22 + nsresult rv; \
1.23 + rv = aHandleReport->Callback(EmptyCString(), NS_LITERAL_CSTRING(_path), \
1.24 + _kind, _units, _amount, \
1.25 + NS_LITERAL_CSTRING(_desc), aData); \
1.26 + NS_ENSURE_SUCCESS(rv, rv); \
1.27 + } while (0)
1.28 +
1.29 + REPORT("webgl-texture-memory",
1.30 + KIND_OTHER, UNITS_BYTES, GetTextureMemoryUsed(),
1.31 + "Memory used by WebGL textures.The OpenGL"
1.32 + " implementation is free to store these textures in either video"
1.33 + " memory or main memory. This measurement is only a lower bound,"
1.34 + " actual memory usage may be higher for example if the storage"
1.35 + " is strided.");
1.36 +
1.37 + REPORT("webgl-texture-count",
1.38 + KIND_OTHER, UNITS_COUNT, GetTextureCount(),
1.39 + "Number of WebGL textures.");
1.40 +
1.41 + REPORT("webgl-buffer-memory",
1.42 + KIND_OTHER, UNITS_BYTES, GetBufferMemoryUsed(),
1.43 + "Memory used by WebGL buffers. The OpenGL"
1.44 + " implementation is free to store these buffers in either video"
1.45 + " memory or main memory. This measurement is only a lower bound,"
1.46 + " actual memory usage may be higher for example if the storage"
1.47 + " is strided.");
1.48 +
1.49 + REPORT("explicit/webgl/buffer-cache-memory",
1.50 + KIND_HEAP, UNITS_BYTES, GetBufferCacheMemoryUsed(),
1.51 + "Memory used by WebGL buffer caches. The WebGL"
1.52 + " implementation caches the contents of element array buffers"
1.53 + " only.This adds up with the webgl-buffer-memory value, but"
1.54 + " contrary to it, this one represents bytes on the heap,"
1.55 + " not managed by OpenGL.");
1.56 +
1.57 + REPORT("webgl-buffer-count",
1.58 + KIND_OTHER, UNITS_COUNT, GetBufferCount(),
1.59 + "Number of WebGL buffers.");
1.60 +
1.61 + REPORT("webgl-renderbuffer-memory",
1.62 + KIND_OTHER, UNITS_BYTES, GetRenderbufferMemoryUsed(),
1.63 + "Memory used by WebGL renderbuffers. The OpenGL"
1.64 + " implementation is free to store these renderbuffers in either"
1.65 + " video memory or main memory. This measurement is only a lower"
1.66 + " bound, actual memory usage may be higher for example if the"
1.67 + " storage is strided.");
1.68 +
1.69 + REPORT("webgl-renderbuffer-count",
1.70 + KIND_OTHER, UNITS_COUNT, GetRenderbufferCount(),
1.71 + "Number of WebGL renderbuffers.");
1.72 +
1.73 + REPORT("explicit/webgl/shader",
1.74 + KIND_HEAP, UNITS_BYTES, GetShaderSize(),
1.75 + "Combined size of WebGL shader ASCII sources and translation"
1.76 + " logs cached on the heap.");
1.77 +
1.78 + REPORT("webgl-shader-count",
1.79 + KIND_OTHER, UNITS_COUNT, GetShaderCount(),
1.80 + "Number of WebGL shaders.");
1.81 +
1.82 + REPORT("webgl-context-count",
1.83 + KIND_OTHER, UNITS_COUNT, GetContextCount(),
1.84 + "Number of WebGL contexts.");
1.85 +
1.86 +#undef REPORT
1.87 +
1.88 + return NS_OK;
1.89 +}
1.90 +
1.91 +NS_IMPL_ISUPPORTS(WebGLMemoryTracker, nsIMemoryReporter)
1.92 +
1.93 +StaticRefPtr<WebGLMemoryTracker> WebGLMemoryTracker::sUniqueInstance;
1.94 +
1.95 +WebGLMemoryTracker* WebGLMemoryTracker::UniqueInstance()
1.96 +{
1.97 + if (!sUniqueInstance) {
1.98 + sUniqueInstance = new WebGLMemoryTracker;
1.99 + sUniqueInstance->InitMemoryReporter();
1.100 + }
1.101 + return sUniqueInstance;
1.102 +}
1.103 +
1.104 +WebGLMemoryTracker::WebGLMemoryTracker()
1.105 +{
1.106 +}
1.107 +
1.108 +void
1.109 +WebGLMemoryTracker::InitMemoryReporter()
1.110 +{
1.111 + RegisterWeakMemoryReporter(this);
1.112 +}
1.113 +
1.114 +WebGLMemoryTracker::~WebGLMemoryTracker()
1.115 +{
1.116 + UnregisterWeakMemoryReporter(this);
1.117 +}
1.118 +
1.119 +MOZ_DEFINE_MALLOC_SIZE_OF(WebGLBufferMallocSizeOf)
1.120 +
1.121 +int64_t
1.122 +WebGLMemoryTracker::GetBufferCacheMemoryUsed() {
1.123 + const ContextsArrayType & contexts = Contexts();
1.124 + int64_t result = 0;
1.125 + for(size_t i = 0; i < contexts.Length(); ++i) {
1.126 + for (const WebGLBuffer *buffer = contexts[i]->mBuffers.getFirst();
1.127 + buffer;
1.128 + buffer = buffer->getNext())
1.129 + {
1.130 + if (buffer->Target() == LOCAL_GL_ELEMENT_ARRAY_BUFFER)
1.131 + result += buffer->SizeOfIncludingThis(WebGLBufferMallocSizeOf);
1.132 + }
1.133 + }
1.134 + return result;
1.135 +}
1.136 +
1.137 +MOZ_DEFINE_MALLOC_SIZE_OF(WebGLShaderMallocSizeOf)
1.138 +
1.139 +int64_t
1.140 +WebGLMemoryTracker::GetShaderSize() {
1.141 + const ContextsArrayType & contexts = Contexts();
1.142 + int64_t result = 0;
1.143 + for(size_t i = 0; i < contexts.Length(); ++i) {
1.144 + for (const WebGLShader *shader = contexts[i]->mShaders.getFirst();
1.145 + shader;
1.146 + shader = shader->getNext())
1.147 + {
1.148 + result += shader->SizeOfIncludingThis(WebGLShaderMallocSizeOf);
1.149 + }
1.150 + }
1.151 + return result;
1.152 +}
