| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file contains the GPUTrace class. |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread.h" |
| #include "gpu/command_buffer/service/gles2_cmd_decoder.h" |
| #include "gpu/gpu_export.h" |
| #include "ui/gl/gl_bindings.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| |
| // Id used to keep trace namespaces separate |
| enum GpuTracerSource { |
| kTraceGroupMarker = 0, |
| kTraceCHROMIUM = 1, |
| kTraceDecoder = 2, |
| }; |
| |
| // Traces GPU Commands. |
| class GPUTracer { |
| public: |
| static scoped_ptr<GPUTracer> Create(gles2::GLES2Decoder* decoder); |
| |
| GPUTracer(); |
| virtual ~GPUTracer(); |
| |
| // Scheduled processing in decoder begins. |
| virtual bool BeginDecoding() = 0; |
| |
| // Scheduled processing in decoder ends. |
| virtual bool EndDecoding() = 0; |
| |
| // Begin a trace marker. |
| virtual bool Begin(const std::string& name, GpuTracerSource source) = 0; |
| |
| // End the last started trace marker. |
| virtual bool End(GpuTracerSource source) = 0; |
| |
| virtual bool IsTracing() = 0; |
| |
| // Retrieve the name of the current open trace. |
| // Returns empty string if no current open trace. |
| virtual const std::string& CurrentName() const = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GPUTracer); |
| }; |
| |
| class Outputter : public base::RefCounted<Outputter> { |
| public: |
| virtual void Trace(const std::string& name, |
| int64 start_time, |
| int64 end_time) = 0; |
| |
| protected: |
| virtual ~Outputter() {} |
| friend class base::RefCounted<Outputter>; |
| }; |
| |
| class TraceOutputter : public Outputter { |
| public: |
| static scoped_refptr<TraceOutputter> Create(const std::string& name); |
| virtual void Trace(const std::string& name, |
| int64 start_time, |
| int64 end_time) OVERRIDE; |
| |
| protected: |
| friend class base::RefCounted<Outputter>; |
| explicit TraceOutputter(const std::string& name); |
| virtual ~TraceOutputter(); |
| |
| base::Thread named_thread_; |
| uint64 local_trace_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TraceOutputter); |
| }; |
| |
| class GPU_EXPORT Trace : public base::RefCounted<Trace> { |
| public: |
| explicit Trace(const std::string& name) : name_(name) {} |
| |
| virtual void Start() = 0; |
| virtual void End() = 0; |
| |
| // True if the the results of this query are available. |
| virtual bool IsAvailable() = 0; |
| |
| virtual bool IsProcessable(); |
| virtual void Process() = 0; |
| |
| virtual const std::string& name(); |
| |
| protected: |
| virtual ~Trace() {} |
| |
| private: |
| friend class base::RefCounted<Trace>; |
| |
| std::string name_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Trace); |
| }; |
| |
| class GPU_EXPORT GLARBTimerTrace : public Trace { |
| public: |
| GLARBTimerTrace(scoped_refptr<Outputter> outputter, |
| const std::string& name, |
| int64 offset); |
| |
| // Implementation of Tracer |
| virtual void Start() OVERRIDE; |
| virtual void End() OVERRIDE; |
| virtual bool IsAvailable() OVERRIDE; |
| virtual void Process() OVERRIDE; |
| |
| private: |
| virtual ~GLARBTimerTrace(); |
| |
| void Output(); |
| |
| scoped_refptr<Outputter> outputter_; |
| |
| int64 offset_; |
| int64 start_time_; |
| int64 end_time_; |
| bool end_requested_; |
| |
| GLuint queries_[2]; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLARBTimerTrace); |
| }; |
| |
| } // namespace gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_ |