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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/gles2_query_manager.h"
#include <stddef.h>
#include <stdint.h>
#include "base/atomicops.h"
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/notreached.h"
#include "base/time/time.h"
#include "gpu/command_buffer/service/error_state.h"
#include "gpu/command_buffer/service/feature_info.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_fence.h"
#include "ui/gl/gpu_timing.h"
namespace gpu {
namespace gles2 {
namespace {
class AbstractIntegerQuery : public QueryManager::Query {
public:
AbstractIntegerQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void Begin() override;
void End(base::subtle::Atomic32 submit_count) override;
void QueryCounter(base::subtle::Atomic32 submit_count) override;
void Pause() override;
void Resume() override;
void Destroy(bool have_context) override;
protected:
~AbstractIntegerQuery() override;
bool AreAllResultsAvailable();
// Service side query ids.
std::vector<GLuint> service_ids_;
};
AbstractIntegerQuery::AbstractIntegerQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: Query(manager, target, std::move(buffer), sync) {
GLuint service_id = 0;
glGenQueries(1, &service_id);
DCHECK_NE(0u, service_id);
service_ids_.push_back(service_id);
}
void AbstractIntegerQuery::Begin() {
MarkAsActive();
// Delete all but the first one when beginning a new query.
if (service_ids_.size() > 1) {
glDeleteQueries(service_ids_.size() - 1, &service_ids_[1]);
service_ids_.resize(1);
}
BeginQueryHelper(target(), service_ids_.back());
}
void AbstractIntegerQuery::End(base::subtle::Atomic32 submit_count) {
EndQueryHelper(target());
AddToPendingQueue(submit_count);
}
void AbstractIntegerQuery::QueryCounter(base::subtle::Atomic32 submit_count) {
NOTREACHED();
}
void AbstractIntegerQuery::Pause() {
MarkAsPaused();
EndQueryHelper(target());
}
void AbstractIntegerQuery::Resume() {
MarkAsActive();
GLuint service_id = 0;
glGenQueries(1, &service_id);
DCHECK_NE(0u, service_id);
service_ids_.push_back(service_id);
BeginQueryHelper(target(), service_ids_.back());
}
void AbstractIntegerQuery::Destroy(bool have_context) {
if (have_context && !IsDeleted()) {
glDeleteQueries(service_ids_.size(), &service_ids_[0]);
service_ids_.clear();
MarkAsDeleted();
}
}
AbstractIntegerQuery::~AbstractIntegerQuery() = default;
bool AbstractIntegerQuery::AreAllResultsAvailable() {
GLuint available = 0;
glGetQueryObjectuiv(service_ids_.back(), GL_QUERY_RESULT_AVAILABLE_EXT,
&available);
return !!available;
}
class BooleanQuery : public AbstractIntegerQuery {
public:
BooleanQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void Process(bool did_finish) override;
protected:
~BooleanQuery() override;
};
BooleanQuery::BooleanQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: AbstractIntegerQuery(manager, target, std::move(buffer), sync) {}
BooleanQuery::~BooleanQuery() = default;
void BooleanQuery::Process(bool did_finish) {
if (!AreAllResultsAvailable())
return;
for (const GLuint& service_id : service_ids_) {
GLuint result = 0;
glGetQueryObjectuiv(service_id, GL_QUERY_RESULT_EXT, &result);
if (result != 0) {
MarkAsCompleted(1);
return;
}
}
MarkAsCompleted(0);
}
class SummedIntegerQuery : public AbstractIntegerQuery {
public:
SummedIntegerQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void Process(bool did_finish) override;
protected:
~SummedIntegerQuery() override;
};
SummedIntegerQuery::SummedIntegerQuery(QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: AbstractIntegerQuery(manager, target, std::move(buffer), sync) {}
SummedIntegerQuery::~SummedIntegerQuery() = default;
void SummedIntegerQuery::Process(bool did_finish) {
if (!AreAllResultsAvailable())
return;
GLuint summed_result = 0;
for (const GLuint& service_id : service_ids_) {
GLuint result = 0;
glGetQueryObjectuiv(service_id, GL_QUERY_RESULT_EXT, &result);
summed_result += result;
}
MarkAsCompleted(summed_result);
}
class AsyncReadPixelsCompletedQuery final
: public GLES2QueryManager::GLES2Query {
public:
AsyncReadPixelsCompletedQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void Begin() override;
void End(base::subtle::Atomic32 submit_count) override;
void QueryCounter(base::subtle::Atomic32 submit_count) override;
void Pause() override;
void Resume() override;
void Process(bool did_finish) override;
void Destroy(bool have_context) override;
protected:
void Complete();
~AsyncReadPixelsCompletedQuery() override;
base::WeakPtrFactory<AsyncReadPixelsCompletedQuery> weak_ptr_factory_{this};
};
AsyncReadPixelsCompletedQuery::AsyncReadPixelsCompletedQuery(
GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: GLES2Query(manager, target, std::move(buffer), sync) {}
void AsyncReadPixelsCompletedQuery::Begin() {
MarkAsActive();
}
void AsyncReadPixelsCompletedQuery::Pause() {
MarkAsPaused();
}
void AsyncReadPixelsCompletedQuery::Resume() {
MarkAsActive();
}
void AsyncReadPixelsCompletedQuery::End(base::subtle::Atomic32 submit_count) {
MarkAsPending(submit_count);
gles2_query_manager()->decoder()->WaitForReadPixels(
base::BindOnce(&AsyncReadPixelsCompletedQuery::Complete,
weak_ptr_factory_.GetWeakPtr()));
}
void AsyncReadPixelsCompletedQuery::QueryCounter(
base::subtle::Atomic32 submit_count) {
NOTREACHED();
}
void AsyncReadPixelsCompletedQuery::Complete() {
MarkAsCompleted(1);
}
void AsyncReadPixelsCompletedQuery::Process(bool did_finish) {
NOTREACHED();
}
void AsyncReadPixelsCompletedQuery::Destroy(bool /* have_context */) {
if (!IsDeleted()) {
MarkAsDeleted();
}
}
AsyncReadPixelsCompletedQuery::~AsyncReadPixelsCompletedQuery() = default;
class GetErrorQuery : public GLES2QueryManager::GLES2Query {
public:
GetErrorQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void Begin() override;
void End(base::subtle::Atomic32 submit_count) override;
void QueryCounter(base::subtle::Atomic32 submit_count) override;
void Pause() override;
void Resume() override;
void Process(bool did_finish) override;
void Destroy(bool have_context) override;
protected:
~GetErrorQuery() override;
};
GetErrorQuery::GetErrorQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: GLES2Query(manager, target, std::move(buffer), sync) {}
void GetErrorQuery::Begin() {
MarkAsActive();
}
void GetErrorQuery::Pause() {
MarkAsPaused();
}
void GetErrorQuery::Resume() {
MarkAsActive();
}
void GetErrorQuery::End(base::subtle::Atomic32 submit_count) {
MarkAsPending(submit_count);
MarkAsCompleted(
gles2_query_manager()->decoder()->GetErrorState()->GetGLError());
}
void GetErrorQuery::QueryCounter(base::subtle::Atomic32 submit_count) {
NOTREACHED();
}
void GetErrorQuery::Process(bool did_finish) {
NOTREACHED();
}
void GetErrorQuery::Destroy(bool /* have_context */) {
if (!IsDeleted()) {
MarkAsDeleted();
}
}
GetErrorQuery::~GetErrorQuery() = default;
class TimeElapsedQuery : public GLES2QueryManager::GLES2Query {
public:
TimeElapsedQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
// Overridden from QueryManager::Query:
void Begin() override;
void End(base::subtle::Atomic32 submit_count) override;
void QueryCounter(base::subtle::Atomic32 submit_count) override;
void Pause() override;
void Resume() override;
void Process(bool did_finish) override;
void Destroy(bool have_context) override;
protected:
~TimeElapsedQuery() override;
private:
std::unique_ptr<gl::GPUTimer> gpu_timer_;
};
TimeElapsedQuery::TimeElapsedQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: GLES2Query(manager, target, std::move(buffer), sync),
gpu_timer_(manager->CreateGPUTimer(true)) {}
void TimeElapsedQuery::Begin() {
// Reset the disjoint value before the query begins if it is safe.
SafelyResetDisjointValue();
MarkAsActive();
gpu_timer_->Start();
}
void TimeElapsedQuery::End(base::subtle::Atomic32 submit_count) {
gpu_timer_->End();
AddToPendingQueue(submit_count);
}
void TimeElapsedQuery::QueryCounter(base::subtle::Atomic32 submit_count) {
NOTREACHED();
}
void TimeElapsedQuery::Pause() {
MarkAsPaused();
}
void TimeElapsedQuery::Resume() {
MarkAsActive();
}
void TimeElapsedQuery::Process(bool did_finish) {
if (!gpu_timer_->IsAvailable())
return;
// Make sure disjoint value is up to date. This disjoint check is the only one
// that needs to be done to validate that this query is valid. If a disjoint
// occurs before the client checks the query value we will just hide the
// disjoint state since it did not affect this query.
UpdateDisjointValue();
const uint64_t nano_seconds =
gpu_timer_->GetDeltaElapsed() * base::Time::kNanosecondsPerMicrosecond;
MarkAsCompleted(nano_seconds);
}
void TimeElapsedQuery::Destroy(bool have_context) {
gpu_timer_->Destroy(have_context);
}
TimeElapsedQuery::~TimeElapsedQuery() = default;
class TimeStampQuery : public GLES2QueryManager::GLES2Query {
public:
TimeStampQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
// Overridden from QueryManager::Query:
void Begin() override;
void End(base::subtle::Atomic32 submit_count) override;
void QueryCounter(base::subtle::Atomic32 submit_count) override;
void Pause() override;
void Resume() override;
void Process(bool did_finish) override;
void Destroy(bool have_context) override;
protected:
~TimeStampQuery() override;
private:
std::unique_ptr<gl::GPUTimer> gpu_timer_;
};
TimeStampQuery::TimeStampQuery(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: GLES2Query(manager, target, std::move(buffer), sync),
gpu_timer_(manager->CreateGPUTimer(false)) {}
void TimeStampQuery::Begin() {
NOTREACHED();
}
void TimeStampQuery::End(base::subtle::Atomic32 submit_count) {
NOTREACHED();
}
void TimeStampQuery::Pause() {
MarkAsPaused();
}
void TimeStampQuery::Resume() {
MarkAsActive();
}
void TimeStampQuery::QueryCounter(base::subtle::Atomic32 submit_count) {
// Reset the disjoint value before the query begins if it is safe.
SafelyResetDisjointValue();
MarkAsActive();
// After a timestamp has begun, we will want to continually detect
// the disjoint value every frame until the context is destroyed.
BeginContinualDisjointUpdate();
gpu_timer_->QueryTimeStamp();
AddToPendingQueue(submit_count);
}
void TimeStampQuery::Process(bool did_finish) {
if (!gpu_timer_->IsAvailable())
return;
// Make sure disjoint value is up to date. This disjoint check is the only one
// that needs to be done to validate that this query is valid. If a disjoint
// occurs before the client checks the query value we will just hide the
// disjoint state since it did not affect this query.
UpdateDisjointValue();
int64_t start = 0;
int64_t end = 0;
gpu_timer_->GetStartEndTimestamps(&start, &end);
DCHECK(start == end);
const uint64_t nano_seconds = start * base::Time::kNanosecondsPerMicrosecond;
MarkAsCompleted(nano_seconds);
}
void TimeStampQuery::Destroy(bool have_context) {
if (gpu_timer_.get()) {
gpu_timer_->Destroy(have_context);
gpu_timer_.reset();
}
}
TimeStampQuery::~TimeStampQuery() = default;
} // namespace
GLES2QueryManager::GLES2Query::GLES2Query(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync)
: QueryManager::Query(manager, target, buffer, sync),
gles2_query_manager_(manager) {}
GLES2QueryManager::GLES2Query::~GLES2Query() = default;
GLES2QueryManager::GLES2QueryManager(GLES2Decoder* decoder,
FeatureInfo* feature_info)
: decoder_(decoder),
update_disjoints_continually_(false),
disjoint_notify_shm_id_(-1),
disjoint_notify_shm_offset_(0),
disjoints_notified_(0) {
DCHECK(decoder);
gl::GLContext* context = decoder_->GetGLContext();
if (context) {
gpu_timing_client_ = context->CreateGPUTimingClient();
} else {
gpu_timing_client_ = new gl::GPUTimingClient();
}
}
GLES2QueryManager::~GLES2QueryManager() = default;
QueryManager::Query* GLES2QueryManager::CreateQuery(
GLenum target,
GLuint client_id,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync) {
scoped_refptr<Query> query;
switch (target) {
case GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM:
query = new AsyncReadPixelsCompletedQuery(this, target, std::move(buffer),
sync);
break;
case GL_GET_ERROR_QUERY_CHROMIUM:
query = new GetErrorQuery(this, target, std::move(buffer), sync);
break;
case GL_TIME_ELAPSED_EXT:
query = new TimeElapsedQuery(this, target, std::move(buffer), sync);
break;
case GL_TIMESTAMP_EXT:
query = new TimeStampQuery(this, target, std::move(buffer), sync);
break;
case GL_ANY_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
query = new BooleanQuery(this, target, std::move(buffer), sync);
break;
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
query = new SummedIntegerQuery(this, target, std::move(buffer), sync);
break;
case GL_SAMPLES_PASSED_ARB:
query = new SummedIntegerQuery(this, target, std::move(buffer), sync);
break;
default:
return QueryManager::CreateQuery(target, client_id, buffer, sync);
}
std::pair<QueryMap::iterator, bool> result =
queries_.insert(std::make_pair(client_id, query));
DCHECK(result.second);
return query.get();
}
void GLES2QueryManager::ProcessFrameBeginUpdates() {
if (update_disjoints_continually_)
UpdateDisjointValue();
}
error::Error GLES2QueryManager::SetDisjointSync(int32_t shm_id,
uint32_t shm_offset) {
if (disjoint_notify_shm_id_ != -1 || shm_id == -1)
return error::kInvalidArguments;
DisjointValueSync* sync = decoder_->GetSharedMemoryAs<DisjointValueSync*>(
shm_id, shm_offset, sizeof(*sync));
if (!sync)
return error::kOutOfBounds;
sync->Reset();
disjoints_notified_ = 0;
disjoint_notify_shm_id_ = shm_id;
disjoint_notify_shm_offset_ = shm_offset;
return error::kNoError;
}
std::unique_ptr<gl::GPUTimer> GLES2QueryManager::CreateGPUTimer(
bool elapsed_time) {
return gpu_timing_client_->CreateGPUTimer(elapsed_time);
}
bool GLES2QueryManager::GPUTimingAvailable() {
return gpu_timing_client_->IsAvailable();
}
void GLES2QueryManager::UpdateDisjointValue() {
if (disjoint_notify_shm_id_ != -1) {
if (gpu_timing_client_->CheckAndResetTimerErrors()) {
disjoints_notified_++;
DisjointValueSync* sync = decoder_->GetSharedMemoryAs<DisjointValueSync*>(
disjoint_notify_shm_id_, disjoint_notify_shm_offset_, sizeof(*sync));
if (!sync) {
// Shared memory does not seem to be valid, ignore the shm id/offset.
disjoint_notify_shm_id_ = -1;
disjoint_notify_shm_offset_ = 0;
} else {
sync->SetDisjointCount(disjoints_notified_);
}
}
}
}
void GLES2QueryManager::SafelyResetDisjointValue() {
// It is only safe to reset the disjoint value is there is no active
// elapsed timer and we are not continually updating the disjoint value.
if (!update_disjoints_continually_ && !GetActiveQuery(GL_TIME_ELAPSED_EXT)) {
// Reset the error state without storing the result.
gpu_timing_client_->CheckAndResetTimerErrors();
}
}
} // namespace gles2
} // namespace gpu
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