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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/raster/raster_query_queue.h"
#include <utility>
#include "base/strings/stringprintf.h"
#include "cc/base/histograms.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/raster_interface.h"
namespace cc {
RasterQuery::RasterQuery() = default;
RasterQuery::~RasterQuery() = default;
RasterQueryQueue::RasterQueryQueue(
viz::RasterContextProvider* const worker_context_provider)
: worker_context_provider_(worker_context_provider) {}
RasterQueryQueue::~RasterQueryQueue() = default;
void RasterQueryQueue::Append(RasterQuery raster_query) {
// It is important for this method to not be called with the raster context
// lock to avoid a deadlock in CheckRasterFinishedQueries, which acquired
// the raster context lock while holding this lock.
base::AutoLock hold(pending_raster_queries_lock_);
pending_raster_queries_.push_back(std::move(raster_query));
}
#define UMA_HISTOGRAM_RASTER_TIME_CUSTOM_MICROSECONDS(name, total_time) \
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES( \
name, total_time, base::Microseconds(1), base::Milliseconds(100), 100);
bool RasterQueryQueue::CheckRasterFinishedQueries() {
base::AutoLock hold(pending_raster_queries_lock_);
if (pending_raster_queries_.empty())
return false;
viz::RasterContextProvider::ScopedRasterContextLock scoped_context(
worker_context_provider_);
auto* ri = scoped_context.RasterInterface();
auto it = pending_raster_queries_.begin();
while (it != pending_raster_queries_.end()) {
GLuint complete = 0;
ri->GetQueryObjectuivEXT(it->raster_duration_query_id,
GL_QUERY_RESULT_AVAILABLE_NO_FLUSH_CHROMIUM_EXT,
&complete);
if (!complete)
break;
GLuint gpu_raster_duration = 0u;
ri->GetQueryObjectuivEXT(it->raster_duration_query_id, GL_QUERY_RESULT_EXT,
&gpu_raster_duration);
ri->DeleteQueriesEXT(1, &it->raster_duration_query_id);
base::TimeDelta raster_duration =
it->worker_raster_duration + base::Microseconds(gpu_raster_duration);
// It is safe to use the UMA macros here with runtime generated strings
// because the client name should be initialized once in the process, before
// recording any metrics here.
const char* client_name = GetClientNameForMetrics();
UMA_HISTOGRAM_RASTER_TIME_CUSTOM_MICROSECONDS(
base::StringPrintf("Renderer4.%s.RasterTaskTotalDuration.Oop",
client_name),
raster_duration);
it = pending_raster_queries_.erase(it);
}
return pending_raster_queries_.size() > 0u;
}
} // namespace cc
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