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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include "ui/gl/angle_platform_impl.h"
#include "base/base64.h"
#include "base/compiler_specific.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/lazy_instance.h"
#include "base/metrics/histogram.h"
#include "base/metrics/histogram_functions.h"
#include "base/no_destructor.h"
#include "base/task/thread_pool.h"
#include "base/task/thread_pool/thread_pool_instance.h"
#include "base/trace_event/trace_event.h"
#include "third_party/angle/include/platform/PlatformMethods.h"
#include "ui/gl/gl_bindings.h"
namespace angle {
namespace {
ResetDisplayPlatformFunc g_angle_reset_platform = nullptr;
double ANGLEPlatformImpl_currentTime(PlatformMethods* platform) {
return base::Time::Now().InSecondsFSinceUnixEpoch();
}
double ANGLEPlatformImpl_monotonicallyIncreasingTime(
PlatformMethods* platform) {
return (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
}
const unsigned char* ANGLEPlatformImpl_getTraceCategoryEnabledFlag(
PlatformMethods* platform,
const char* category_group) {
return TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_group);
}
void ANGLEPlatformImpl_logError(PlatformMethods* platform,
const char* errorMessage) {
LOG(ERROR) << errorMessage;
}
void ANGLEPlatformImpl_logWarning(PlatformMethods* platform,
const char* warningMessage) {
LOG(WARNING) << warningMessage;
}
TraceEventHandle ANGLEPlatformImpl_addTraceEvent(
PlatformMethods* platform,
char phase,
const unsigned char* category_group_enabled,
const char* name,
unsigned long long id,
double timestamp,
int num_args,
const char** arg_names,
const unsigned char* arg_types,
const unsigned long long* arg_values,
unsigned char flags) {
base::TimeTicks timestamp_tt = base::TimeTicks() + base::Seconds(timestamp);
base::trace_event::TraceArguments args(num_args, arg_names, arg_types,
arg_values);
base::trace_event::TraceEventHandle handle =
TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP(
phase, category_group_enabled, name,
trace_event_internal::kGlobalScope, id, trace_event_internal::kNoId,
base::PlatformThread::CurrentId(), timestamp_tt, &args, flags);
TraceEventHandle result;
memcpy(&result, &handle, sizeof(result));
return result;
}
void ANGLEPlatformImpl_updateTraceEventDuration(
PlatformMethods* platform,
const unsigned char* category_group_enabled,
const char* name,
TraceEventHandle handle) {
base::trace_event::TraceEventHandle trace_event_handle;
memcpy(&trace_event_handle, &handle, sizeof(handle));
TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION(category_group_enabled, name,
trace_event_handle);
}
void ANGLEPlatformImpl_histogramCustomCounts(PlatformMethods* platform,
const char* name,
int sample,
int min,
int max,
int bucket_count) {
// Copied from histogram macro, but without the static variable caching
// the histogram because name is dynamic.
base::HistogramBase* counter = base::Histogram::FactoryGet(
name, min, max, bucket_count,
base::HistogramBase::kUmaTargetedHistogramFlag);
counter->Add(sample);
}
void ANGLEPlatformImpl_histogramEnumeration(PlatformMethods* platform,
const char* name,
int sample,
int boundary_value) {
// Copied from histogram macro, but without the static variable caching
// the histogram because name is dynamic.
base::HistogramBase* counter = base::LinearHistogram::FactoryGet(
name, 1, boundary_value, boundary_value + 1,
base::HistogramBase::kUmaTargetedHistogramFlag);
counter->Add(sample);
}
void ANGLEPlatformImpl_histogramSparse(PlatformMethods* platform,
const char* name,
int sample) {
base::UmaHistogramSparse(name, sample);
}
void ANGLEPlatformImpl_histogramBoolean(PlatformMethods* platform,
const char* name,
bool sample) {
ANGLEPlatformImpl_histogramEnumeration(platform, name, sample ? 1 : 0, 2);
}
NO_SANITIZE("cfi-icall")
void AnglePlatformImpl_runWorkerTask(PostWorkerTaskCallback callback, void* user_data) {
TRACE_EVENT0("toplevel", "ANGLEPlatformImpl::RunWorkerTask");
callback(user_data);
}
void ANGLEPlatformImpl_postWorkerTask(PlatformMethods* platform,
PostWorkerTaskCallback callback,
void* user_data) {
base::ThreadPool::PostTask(
FROM_HERE, {base::TaskPriority::USER_BLOCKING},
base::BindOnce(&AnglePlatformImpl_runWorkerTask, callback, user_data));
}
void ANGLEPlatformImpl_recordShaderCacheUse(bool in_cache) {
// Metrics were no longer required, we can remove once Angle no longer
// requires the method.
}
} // anonymous namespace
NO_SANITIZE("cfi-icall")
bool InitializePlatform(EGLDisplay display) {
GetDisplayPlatformFunc angle_get_platform =
reinterpret_cast<GetDisplayPlatformFunc>(
eglGetProcAddress("ANGLEGetDisplayPlatform"));
if (!angle_get_platform)
return false;
// Save the pointer to the destroy function here to avoid crash.
g_angle_reset_platform = reinterpret_cast<ResetDisplayPlatformFunc>(
eglGetProcAddress("ANGLEResetDisplayPlatform"));
PlatformMethods* platformMethods = nullptr;
if (!angle_get_platform(static_cast<EGLDisplayType>(display),
g_PlatformMethodNames, g_NumPlatformMethods, nullptr,
&platformMethods))
return false;
platformMethods->currentTime = ANGLEPlatformImpl_currentTime;
platformMethods->addTraceEvent = ANGLEPlatformImpl_addTraceEvent;
platformMethods->getTraceCategoryEnabledFlag =
ANGLEPlatformImpl_getTraceCategoryEnabledFlag;
platformMethods->histogramBoolean = ANGLEPlatformImpl_histogramBoolean;
platformMethods->histogramCustomCounts =
ANGLEPlatformImpl_histogramCustomCounts;
platformMethods->histogramEnumeration =
ANGLEPlatformImpl_histogramEnumeration;
platformMethods->histogramSparse = ANGLEPlatformImpl_histogramSparse;
platformMethods->logError = ANGLEPlatformImpl_logError;
platformMethods->logWarning = ANGLEPlatformImpl_logWarning;
platformMethods->monotonicallyIncreasingTime =
ANGLEPlatformImpl_monotonicallyIncreasingTime;
platformMethods->updateTraceEventDuration =
ANGLEPlatformImpl_updateTraceEventDuration;
platformMethods->recordShaderCacheUse =
ANGLEPlatformImpl_recordShaderCacheUse;
// Initialize the delegate to allow posting tasks in the Chromium thread pool.
// The thread pool is not available in some unittests.
if (base::ThreadPoolInstance::Get())
platformMethods->postWorkerTask = ANGLEPlatformImpl_postWorkerTask;
return true;
}
NO_SANITIZE("cfi-icall")
void ResetPlatform(EGLDisplay display) {
if (!g_angle_reset_platform)
return;
g_angle_reset_platform(static_cast<EGLDisplayType>(display));
}
} // namespace angle
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