This upgrade also introduces exact stack rooting (see to the wiki: JSRootingGuide) and fixes problems with moving GC. This allows us to enable generational garbage collection (GGC). Measurements a few months ago have shown a performance improvement of a non-visual replay of around 13.5%. This probably varies quite a bit, but it should be somewhere between 5-20%. Memory usage has also been improved. Check the forum thread for details. Thanks to everyone from the team who helped with this directly or indirectly (review, finding and fixing issues, the required C++11 upgrade, the new autobuilder etc.)! Also thanks to the SpiderMonkey developers who helped on the #jsapi channel or elsewhere! Fixes #2462, #2415, #2428, #2684, #1374 Refs #2973, #2669 This was SVN commit r16214.
212 lines
5.4 KiB
C++
212 lines
5.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Viewing profiling information (timing and other statistics)
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*/
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#ifndef INCLUDED_PROFILE_VIEWER
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#define INCLUDED_PROFILE_VIEWER
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#include "lib/input.h"
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#include "ps/CStr.h"
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#include "ps/Singleton.h"
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class ScriptInterface;
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namespace JS
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{
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class Value;
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}
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/**
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* Struct ProfileColumn: Describes one column of an AbstractProfileTable.
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*/
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struct ProfileColumn
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{
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/// Title of the column
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CStr title;
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/// Recommended width of the column, in pixels.
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size_t width;
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ProfileColumn(const CStr& t, size_t w) : title(t), width(w) { }
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};
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/**
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* Class AbstractProfileTable: Profile table data model.
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*
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* Clients that wish to display debug information in the profile viewer
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* have to implement this class and hook it into CProfileViewer.
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*
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* Note that the profiling system is robust against deletion of
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* object instances in the sense that it will automatically remove
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* an AbstractProfileTable instance from its internal records when
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* you delete it.
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* Conversely, deleting an AbstractProfileTable instance is the responsibility
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* of its creator.
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*/
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class AbstractProfileTable
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{
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public:
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virtual ~AbstractProfileTable();
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/**
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* GetName: Short descriptive name of this table (should be static).
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*
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* @return Descriptive name of this table.
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*/
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virtual CStr GetName() = 0;
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/**
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* GetTitle: Longer, explanatory text (can be dynamic).
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*
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* @return Title for the table.
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*/
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virtual CStr GetTitle() = 0;
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/**
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* GetNumberRows
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*
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* @return Number of rows in this table.
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*/
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virtual size_t GetNumberRows() = 0;
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/**
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* GetColumnDescriptions
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*
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* @return A vector describing all columns of the table.
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*/
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virtual const std::vector<ProfileColumn>& GetColumns() = 0;
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/**
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* GetCellText
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*
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* @param row Row index (the first row has index 0).
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* @param col Column index (the first column has index 0).
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*
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* @return Text to be displayed in the given cell.
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*/
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virtual CStr GetCellText(size_t row, size_t col) = 0;
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/**
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* GetChild: Return a row's child table if the child is expandable.
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*
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* @param row Row index (the first row has index 0).
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*
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* @return Pointer to the child table if the given row has one.
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* Otherwise, return 0.
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*/
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virtual AbstractProfileTable* GetChild(size_t row) = 0;
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/**
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* IsHighlightRow
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*
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* @param row Row index (the first row has index 0).
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*
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* @return true if the row should be highlighted in a special color.
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*/
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virtual bool IsHighlightRow(size_t row) { UNUSED2(row); return false; }
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};
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struct CProfileViewerInternals;
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/**
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* Class CProfileViewer: Manage and display profiling tables.
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*/
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class CProfileViewer : public Singleton<CProfileViewer>
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{
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friend class AbstractProfileTable;
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public:
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CProfileViewer();
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~CProfileViewer();
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/**
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* RenderProfile: Render the profile display using OpenGL if the user
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* has enabled it.
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*/
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void RenderProfile();
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/**
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* Input: Filter and handle any input events that the profile display
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* is interested in.
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*
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* In particular, this function handles enable/disable of the profile
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* display as well as navigating the information tree.
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*
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* @param ev The incoming event.
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*
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* @return IN_PASS or IN_HANDLED depending on whether the event relates
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* to the profiling display.
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*/
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InReaction Input(const SDL_Event_* ev);
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/**
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* AddRootTable: Add a new profile table as a root table (i.e. the
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* tables that you cycle through via the profile hotkey).
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*
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* @note Tables added via this function are automatically removed from
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* the list of root tables when they are deleted.
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*
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* @param table This table is added as a root table.
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* @param front If true then the table will be the new first in the list,
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* else it will be the last.
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*/
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void AddRootTable(AbstractProfileTable* table, bool front = false);
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/**
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* InputThunk: Delegate to the singleton's Input() member function
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* if the singleton has been initialized.
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*
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* This allows our input handler to be installed via in_add_handler
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* like a normal, global function input handler.
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*/
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static InReaction InputThunk(const SDL_Event_* ev);
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/**
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* SaveToFile: Save the current profiler data (for all profile tables)
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* to a file in the 'logs' directory.
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*/
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void SaveToFile();
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/**
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* SaveToJS: Return a script value containing the current profiler data
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* (for all profile tables).
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*/
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JS::Value SaveToJS(ScriptInterface& scriptInterface);
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/**
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* ShowTable: Set the named profile table to be the displayed one. If it
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* is not found, no profile is displayed.
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*
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* @param table The table name (matching AbstractProfileTable::GetName),
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* or the empty string to display no table.
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*/
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void ShowTable(const CStr& table);
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private:
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CProfileViewerInternals* m;
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};
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#define g_ProfileViewer CProfileViewer::GetSingleton()
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#endif
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