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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.
#ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_QUERY_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_GLES2_QUERY_MANAGER_H_
#include <stdint.h>
#include <map>
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/service/query_manager.h"
#include "gpu/gpu_gles2_export.h"
namespace gl {
class GPUTimer;
class GPUTimingClient;
} // namespace gl
namespace gpu {
namespace gles2 {
class FeatureInfo;
class GLES2Decoder;
// Similar to QueryManager with extensions to support GLES2 specific queries.
class GPU_GLES2_EXPORT GLES2QueryManager : public QueryManager {
public:
class GPU_GLES2_EXPORT GLES2Query : public QueryManager::Query {
public:
GLES2Query(GLES2QueryManager* manager,
GLenum target,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync);
void SafelyResetDisjointValue() {
gles2_query_manager_->SafelyResetDisjointValue();
}
void UpdateDisjointValue() { gles2_query_manager_->UpdateDisjointValue(); }
void BeginContinualDisjointUpdate() {
gles2_query_manager_->update_disjoints_continually_ = true;
}
protected:
~GLES2Query() override;
GLES2QueryManager* gles2_query_manager() { return gles2_query_manager_; }
private:
// |this| is owned by |gles2_query_manager_|.
raw_ptr<GLES2QueryManager> gles2_query_manager_;
};
GLES2QueryManager(GLES2Decoder* decoder, FeatureInfo* feature_info);
GLES2QueryManager(const GLES2QueryManager&) = delete;
GLES2QueryManager& operator=(const GLES2QueryManager&) = delete;
~GLES2QueryManager() override;
// Creates a Query for the given query.
Query* CreateQuery(GLenum target,
GLuint client_id,
scoped_refptr<gpu::Buffer> buffer,
QuerySync* sync) override;
// Do any updates we need to do when the frame has begun.
void ProcessFrameBeginUpdates();
// Sets up a location to be incremented whenever a disjoint is detected.
error::Error SetDisjointSync(int32_t shm_id, uint32_t shm_offset);
std::unique_ptr<gl::GPUTimer> CreateGPUTimer(bool elapsed_time);
bool GPUTimingAvailable();
GLES2Decoder* decoder() const { return decoder_; }
private:
// Checks and notifies if a disjoint occurred.
void UpdateDisjointValue();
// Safely resets the disjoint value if no queries are active.
void SafelyResetDisjointValue();
raw_ptr<GLES2Decoder> decoder_;
// Whether we are tracking disjoint values every frame.
bool update_disjoints_continually_;
// The shared memory used for disjoint notifications.
int32_t disjoint_notify_shm_id_;
uint32_t disjoint_notify_shm_offset_;
// Current number of disjoints notified.
uint32_t disjoints_notified_;
scoped_refptr<gl::GPUTimingClient> gpu_timing_client_;
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GLES2_QUERY_MANAGER_H_
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