gpu/config/gpu_control_list.h - chromium/src - Git at Google

 // Copyright (c) 2013 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.

 #ifndef GPU_CONFIG_GPU_CONTROL_LIST_H_
 #define GPU_CONFIG_GPU_CONTROL_LIST_H_

 #include <stddef.h>

 #include <set>
 #include <string>
 #include <vector>

 #include "base/containers/hash_tables.h"
 #include "base/values.h"
 #include "gpu/gpu_export.h"

 namespace gpu {
 struct GpuControlListData;
 struct GPUInfo;

 class GPU_EXPORT GpuControlList {
  public:
   typedef base::hash_map<int, std::string> FeatureMap;

   enum OsType {
     kOsLinux,
     kOsMacosx,
     kOsWin,
     kOsChromeOS,
     kOsAndroid,
     kOsFuchsia,
     kOsAny
   };

   enum OsFilter {
     // In loading, ignore all entries that belong to other OS.
     kCurrentOsOnly,
     // In loading, keep all entries. This is for testing only.
     kAllOs
   };

   enum NumericOp {
     kBetween,  // <= * <=
     kEQ,  // =
     kLT,  // <
     kLE,  // <=
     kGT,  // >
     kGE,  // >=
     kAny,
     kUnknown  // Indicates the data is invalid.
   };

   enum MultiGpuStyle {
     kMultiGpuStyleOptimus,
     kMultiGpuStyleAMDSwitchable,
     kMultiGpuStyleAMDSwitchableIntegrated,
     kMultiGpuStyleAMDSwitchableDiscrete,
     kMultiGpuStyleNone
   };

   enum MultiGpuCategory {
     // This entry applies if this is the primary GPU on the system.
     kMultiGpuCategoryPrimary,
     // This entry applies if this is a secondary GPU on the system.
     kMultiGpuCategorySecondary,
     // This entry applies if this is the active GPU on the system.
     kMultiGpuCategoryActive,
     // This entry applies if this is any of the GPUs on the system.
     kMultiGpuCategoryAny,
     kMultiGpuCategoryNone
   };

   enum GLType {
     kGLTypeGL,     // This is default on MacOSX, Linux, ChromeOS
     kGLTypeGLES,   // This is default on Android
     kGLTypeANGLE,  // This is default on Windows
     kGLTypeNone
   };

   enum VersionStyle {
     kVersionStyleNumerical,
     kVersionStyleLexical,
     kVersionStyleUnknown
   };

   struct GPU_EXPORT Version {
     NumericOp op;
     VersionStyle style;
     const char* value1;
     const char* value2;

     bool IsSpecified() const { return op != kUnknown; }

     bool Contains(const std::string& version_string, char splitter) const;

     bool Contains(const std::string& version_string) const {
       return Contains(version_string, '.');
     }

     // Compare two version strings.
     // Return 1 if version > version_ref,
     //        0 if version = version_ref,
     //       -1 if version < version_ref.
     // Note that we only compare as many segments as both versions contain.
     // For example: Compare("10.3.1", "10.3") returns 0,
     //              Compare("10.3", "10.3.1") returns 0.
     // If "version_style" is Lexical, the first segment is compared
     // numerically, all other segments are compared lexically.
     // Lexical is used for AMD Linux driver versions only.
     static int Compare(const std::vector<std::string>& version,
                        const std::vector<std::string>& version_ref,
                        VersionStyle version_style);
   };

   struct GPU_EXPORT DriverInfo {
     const char* driver_vendor;
     Version driver_version;
     Version driver_date;

     bool Contains(const GPUInfo& gpu_info) const;
   };

   struct GPU_EXPORT GLStrings {
     const char* gl_vendor;
     const char* gl_renderer;
     const char* gl_extensions;
     const char* gl_version;

     bool Contains(const GPUInfo& gpu_info) const;
   };

   struct GPU_EXPORT MachineModelInfo {
     size_t machine_model_name_size;
     const char* const* machine_model_names;
     Version machine_model_version;

     bool Contains(const GPUInfo& gpu_info) const;
   };

   struct GPU_EXPORT More {
     // These are just part of Entry fields that are less common.
     // Putting them to a separate struct to save Entry data size.
     GLType gl_type;
     Version gl_version;
     Version pixel_shader_version;
     bool in_process_gpu;
     uint32_t gl_reset_notification_strategy;
     bool direct_rendering;
     Version gpu_count;

     // Return true if GL_VERSION string does not fit the entry info
     // on GL type and GL version.
     bool GLVersionInfoMismatch(const std::string& gl_version_string) const;

     bool Contains(const GPUInfo& gpu_info) const;

     // Return the default GL type, depending on the OS.
     // See GLType declaration.
     static GLType GetDefaultGLType();
   };

   struct GPU_EXPORT Conditions {
     OsType os_type;
     Version os_version;
     uint32_t vendor_id;
     size_t device_id_size;
     const uint32_t* device_ids;
     MultiGpuCategory multi_gpu_category;
     MultiGpuStyle multi_gpu_style;
     const DriverInfo* driver_info;
     const GLStrings* gl_strings;
     const MachineModelInfo* machine_model_info;
     const More* more;

     bool Contains(OsType os_type,
                   const std::string& os_version,
                   const GPUInfo& gpu_info) const;

     // Determines whether we needs more gpu info to make the blacklisting
     // decision.  It should only be checked if Contains() returns true.
     bool NeedsMoreInfo(const GPUInfo& gpu_info) const;
   };

   struct GPU_EXPORT Entry {
     uint32_t id;
     const char* description;
     size_t feature_size;
     const int* features;
     size_t disabled_extension_size;
     const char* const* disabled_extensions;
     size_t cr_bug_size;
     const uint32_t* cr_bugs;
     Conditions conditions;
     size_t exception_size;
     const Conditions* exceptions;

     bool Contains(OsType os_type,
                   const std::string& os_version,
                   const GPUInfo& gpu_info) const;

     // Determines whether we needs more gpu info to make the blacklisting
     // decision.  It should only be checked if Contains() returns true.
     bool NeedsMoreInfo(const GPUInfo& gpu_info, bool consider_exceptions) const;

     void GetFeatureNames(base::ListValue* feature_names,
                          const FeatureMap& feature_map) const;

     // Logs a control list match for this rule in the list identified by
     // |control_list_logging_name|.
     void LogControlListMatch(
         const std::string& control_list_logging_name) const;
   };

   explicit GpuControlList(const GpuControlListData& data);
   virtual ~GpuControlList();

   // Collects system information and combines them with gpu_info and control
   // list information to decide which entries are applied to the current
   // system and returns the union of features specified in each entry.
   // If os is kOsAny, use the current OS; if os_version is empty, use the
   // current OS version.
   std::set<int32_t> MakeDecision(OsType os,
                                  const std::string& os_version,
                                  const GPUInfo& gpu_info);

   // Return the active entry indices from the last MakeDecision() call.
   const std::vector<uint32_t>& GetActiveEntries() const;
   // Return corresponding entry IDs from entry indices.
   std::vector<uint32_t> GetEntryIDsFromIndices(
       const std::vector<uint32_t>& entry_indices) const;

   // Collects all disabled extensions.
   std::vector<std::string> GetDisabledExtensions();

   // Returns the description and bugs from active entries from the last
   // MakeDecision() call.
   //
   // Each problems has:
   // {
   //    "description": "Your GPU is too old",
   //    "crBugs": [1234],
   // }
   void GetReasons(base::ListValue* problem_list, const std::string& tag) const;
   // Similar to the previous function, but instead of using the active entries
   // from the last MakeDecision() call, which may not happen at all, entries
   // are provided.
   // The use case is we compute the entries from GPU process and send them to
   // browser process, and call GetReasons() in browser process.
   void GetReasons(base::ListValue* problem_list,
                   const std::string& tag,
                   const std::vector<uint32_t>& entries) const;

   // Return the largest entry id.  This is used for histogramming.
   uint32_t max_entry_id() const;

   // Check if we need more gpu info to make the decisions.
   // This is computed from the last MakeDecision() call.
   // If yes, we should create a gl context and do a full gpu info collection.
   bool needs_more_info() const { return needs_more_info_; }

   // Returns the number of entries.  This is only for tests.
   size_t num_entries() const;

   // Register a feature to FeatureMap.
   void AddSupportedFeature(const std::string& feature_name, int feature_id);

   // Enables logging of control list decisions.
   void EnableControlListLogging(const std::string& control_list_logging_name) {
     control_list_logging_enabled_ = true;
     control_list_logging_name_ = control_list_logging_name;
   }

  private:
   friend class GpuControlListEntryTest;
   friend class VersionInfoTest;

   // Gets the current OS type.
   static OsType GetOsType();

   size_t entry_count_;
   const Entry* entries_;
   // This records all the entries that are appliable to the current user
   // machine.  It is updated everytime MakeDecision() is called and is used
   // later by GetDecisionEntries().
   std::vector<uint32_t> active_entries_;

   uint32_t max_entry_id_;

   bool needs_more_info_;

   // The features a GpuControlList recognizes and handles.
   FeatureMap feature_map_;

   bool control_list_logging_enabled_;
   std::string control_list_logging_name_;
 };

 struct GPU_EXPORT GpuControlListData {
   size_t entry_count;
   const GpuControlList::Entry* entries;

   GpuControlListData() : entry_count(0u), entries(nullptr) {}

   GpuControlListData(size_t a_entry_count,
                      const GpuControlList::Entry* a_entries)
       : entry_count(a_entry_count), entries(a_entries) {}
 };

 }  // namespace gpu

 #endif  // GPU_CONFIG_GPU_CONTROL_LIST_H_
	// Copyright (c) 2013 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.

	#ifndef GPU_CONFIG_GPU_CONTROL_LIST_H_
	#define GPU_CONFIG_GPU_CONTROL_LIST_H_

	#include <stddef.h>

	#include <set>
	#include <string>
	#include <vector>

	#include "base/containers/hash_tables.h"
	#include "base/values.h"
	#include "gpu/gpu_export.h"

	namespace gpu {
	struct GpuControlListData;
	struct GPUInfo;

	class GPU_EXPORT GpuControlList {
	public:
	typedef base::hash_map<int, std::string> FeatureMap;

	enum OsType {
	kOsLinux,
	kOsMacosx,
	kOsWin,
	kOsChromeOS,
	kOsAndroid,
	kOsFuchsia,
	kOsAny
	};

	enum OsFilter {
	// In loading, ignore all entries that belong to other OS.
	kCurrentOsOnly,
	// In loading, keep all entries. This is for testing only.
	kAllOs
	};

	enum NumericOp {
	kBetween, // <= * <=
	kEQ, // =
	kLT, // <
	kLE, // <=
	kGT, // >
	kGE, // >=
	kAny,
	kUnknown // Indicates the data is invalid.
	};

	enum MultiGpuStyle {
	kMultiGpuStyleOptimus,
	kMultiGpuStyleAMDSwitchable,
	kMultiGpuStyleAMDSwitchableIntegrated,
	kMultiGpuStyleAMDSwitchableDiscrete,
	kMultiGpuStyleNone
	};

	enum MultiGpuCategory {
	// This entry applies if this is the primary GPU on the system.
	kMultiGpuCategoryPrimary,
	// This entry applies if this is a secondary GPU on the system.
	kMultiGpuCategorySecondary,
	// This entry applies if this is the active GPU on the system.
	kMultiGpuCategoryActive,
	// This entry applies if this is any of the GPUs on the system.
	kMultiGpuCategoryAny,
	kMultiGpuCategoryNone
	};

	enum GLType {
	kGLTypeGL, // This is default on MacOSX, Linux, ChromeOS
	kGLTypeGLES, // This is default on Android
	kGLTypeANGLE, // This is default on Windows
	kGLTypeNone
	};

	enum VersionStyle {
	kVersionStyleNumerical,
	kVersionStyleLexical,
	kVersionStyleUnknown
	};

	struct GPU_EXPORT Version {
	NumericOp op;
	VersionStyle style;
	const char* value1;
	const char* value2;

	bool IsSpecified() const { return op != kUnknown; }

	bool Contains(const std::string& version_string, char splitter) const;

	bool Contains(const std::string& version_string) const {
	return Contains(version_string, '.');
	}

	// Compare two version strings.
	// Return 1 if version > version_ref,
	// 0 if version = version_ref,
	// -1 if version < version_ref.
	// Note that we only compare as many segments as both versions contain.
	// For example: Compare("10.3.1", "10.3") returns 0,
	// Compare("10.3", "10.3.1") returns 0.
	// If "version_style" is Lexical, the first segment is compared
	// numerically, all other segments are compared lexically.
	// Lexical is used for AMD Linux driver versions only.
	static int Compare(const std::vector<std::string>& version,
	const std::vector<std::string>& version_ref,
	VersionStyle version_style);
	};

	struct GPU_EXPORT DriverInfo {
	const char* driver_vendor;
	Version driver_version;
	Version driver_date;

	bool Contains(const GPUInfo& gpu_info) const;
	};

	struct GPU_EXPORT GLStrings {
	const char* gl_vendor;
	const char* gl_renderer;
	const char* gl_extensions;
	const char* gl_version;

	bool Contains(const GPUInfo& gpu_info) const;
	};

	struct GPU_EXPORT MachineModelInfo {
	size_t machine_model_name_size;
	const char* const* machine_model_names;
	Version machine_model_version;

	bool Contains(const GPUInfo& gpu_info) const;
	};

	struct GPU_EXPORT More {
	// These are just part of Entry fields that are less common.
	// Putting them to a separate struct to save Entry data size.
	GLType gl_type;
	Version gl_version;
	Version pixel_shader_version;
	bool in_process_gpu;
	uint32_t gl_reset_notification_strategy;
	bool direct_rendering;
	Version gpu_count;

	// Return true if GL_VERSION string does not fit the entry info
	// on GL type and GL version.
	bool GLVersionInfoMismatch(const std::string& gl_version_string) const;

	bool Contains(const GPUInfo& gpu_info) const;

	// Return the default GL type, depending on the OS.
	// See GLType declaration.
	static GLType GetDefaultGLType();
	};

	struct GPU_EXPORT Conditions {
	OsType os_type;
	Version os_version;
	uint32_t vendor_id;
	size_t device_id_size;
	const uint32_t* device_ids;
	MultiGpuCategory multi_gpu_category;
	MultiGpuStyle multi_gpu_style;
	const DriverInfo* driver_info;
	const GLStrings* gl_strings;
	const MachineModelInfo* machine_model_info;
	const More* more;

	bool Contains(OsType os_type,
	const std::string& os_version,
	const GPUInfo& gpu_info) const;

	// Determines whether we needs more gpu info to make the blacklisting
	// decision. It should only be checked if Contains() returns true.
	bool NeedsMoreInfo(const GPUInfo& gpu_info) const;
	};

	struct GPU_EXPORT Entry {
	uint32_t id;
	const char* description;
	size_t feature_size;
	const int* features;
	size_t disabled_extension_size;
	const char* const* disabled_extensions;
	size_t cr_bug_size;
	const uint32_t* cr_bugs;
	Conditions conditions;
	size_t exception_size;
	const Conditions* exceptions;

	bool Contains(OsType os_type,
	const std::string& os_version,
	const GPUInfo& gpu_info) const;

	// Determines whether we needs more gpu info to make the blacklisting
	// decision. It should only be checked if Contains() returns true.
	bool NeedsMoreInfo(const GPUInfo& gpu_info, bool consider_exceptions) const;

	void GetFeatureNames(base::ListValue* feature_names,
	const FeatureMap& feature_map) const;

	// Logs a control list match for this rule in the list identified by
	// \|control_list_logging_name\|.
	void LogControlListMatch(
	const std::string& control_list_logging_name) const;
	};

	explicit GpuControlList(const GpuControlListData& data);
	virtual ~GpuControlList();

	// Collects system information and combines them with gpu_info and control
	// list information to decide which entries are applied to the current
	// system and returns the union of features specified in each entry.
	// If os is kOsAny, use the current OS; if os_version is empty, use the
	// current OS version.
	std::set<int32_t> MakeDecision(OsType os,
	const std::string& os_version,
	const GPUInfo& gpu_info);

	// Return the active entry indices from the last MakeDecision() call.
	const std::vector<uint32_t>& GetActiveEntries() const;
	// Return corresponding entry IDs from entry indices.
	std::vector<uint32_t> GetEntryIDsFromIndices(
	const std::vector<uint32_t>& entry_indices) const;

	// Collects all disabled extensions.
	std::vector<std::string> GetDisabledExtensions();

	// Returns the description and bugs from active entries from the last
	// MakeDecision() call.
	//
	// Each problems has:
	// {
	// "description": "Your GPU is too old",
	// "crBugs": [1234],
	// }
	void GetReasons(base::ListValue* problem_list, const std::string& tag) const;
	// Similar to the previous function, but instead of using the active entries
	// from the last MakeDecision() call, which may not happen at all, entries
	// are provided.
	// The use case is we compute the entries from GPU process and send them to
	// browser process, and call GetReasons() in browser process.
	void GetReasons(base::ListValue* problem_list,
	const std::string& tag,
	const std::vector<uint32_t>& entries) const;

	// Return the largest entry id. This is used for histogramming.
	uint32_t max_entry_id() const;

	// Check if we need more gpu info to make the decisions.
	// This is computed from the last MakeDecision() call.
	// If yes, we should create a gl context and do a full gpu info collection.
	bool needs_more_info() const { return needs_more_info_; }

	// Returns the number of entries. This is only for tests.
	size_t num_entries() const;

	// Register a feature to FeatureMap.
	void AddSupportedFeature(const std::string& feature_name, int feature_id);

	// Enables logging of control list decisions.
	void EnableControlListLogging(const std::string& control_list_logging_name) {
	control_list_logging_enabled_ = true;
	control_list_logging_name_ = control_list_logging_name;
	}

	private:
	friend class GpuControlListEntryTest;
	friend class VersionInfoTest;

	// Gets the current OS type.
	static OsType GetOsType();

	size_t entry_count_;
	const Entry* entries_;
	// This records all the entries that are appliable to the current user
	// machine. It is updated everytime MakeDecision() is called and is used
	// later by GetDecisionEntries().
	std::vector<uint32_t> active_entries_;

	uint32_t max_entry_id_;

	bool needs_more_info_;

	// The features a GpuControlList recognizes and handles.
	FeatureMap feature_map_;

	bool control_list_logging_enabled_;
	std::string control_list_logging_name_;
	};

	struct GPU_EXPORT GpuControlListData {
	size_t entry_count;
	const GpuControlList::Entry* entries;

	GpuControlListData() : entry_count(0u), entries(nullptr) {}

	GpuControlListData(size_t a_entry_count,
	const GpuControlList::Entry* a_entries)
	: entry_count(a_entry_count), entries(a_entries) {}
	};

	} // namespace gpu

	#endif // GPU_CONFIG_GPU_CONTROL_LIST_H_