gfxDeviceStatistics.cpp

Engine/source/gfx/gfxDeviceStatistics.cpp

More...

Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#include "gfx/gfxDeviceStatistics.h"
25#include "platform/platform.h"
26#include "console/console.h"
27
28GFXDeviceStatistics::GFXDeviceStatistics()
29{
30   clear();   
31}
32
33void GFXDeviceStatistics::setPrefix(const String& prefix)
34{
35   // This is a bit silly, but we don't want to construct these
36   // strings every frame.
37   vnPolyCount = prefix + "polyCount";
38   vnDrawCalls = prefix + "drawCalls";
39   vnRenderTargetChanges = prefix + "renderTargetChanges";
40}
41
42/// Clear stats
43void GFXDeviceStatistics::clear()
44{
45   mPolyCount = 0;
46   mDrawCalls = 0;
47   mRenderTargetChanges = 0;
48}
49
50/// Copy from source (should just be a memcpy, but that may change later) used in 
51/// conjunction with end to get a subset of statistics.  For example, statistics
52/// for a particular render bin.
53void GFXDeviceStatistics::start(GFXDeviceStatistics * source)
54{
55   mPolyCount = source->mPolyCount;
56   mDrawCalls = source->mDrawCalls;
57   mRenderTargetChanges = source->mRenderTargetChanges;
58}
59
60/// Used with start to get a subset of stats on a device.  Basically will do
61/// this->mPolyCount = source->mPolyCount - this->mPolyCount.  (Fancy!)
62void GFXDeviceStatistics::end(GFXDeviceStatistics * source)
63{
64   mPolyCount = source->mPolyCount - mPolyCount;
65   mDrawCalls = source->mDrawCalls - mDrawCalls;
66   mRenderTargetChanges = source->mRenderTargetChanges - mRenderTargetChanges;   
67}
68
69/// Exports the stats to the console
70void GFXDeviceStatistics::exportToConsole()
71{
72   Con::setIntVariable(vnPolyCount, mPolyCount);
73   Con::setIntVariable(vnDrawCalls, mDrawCalls);
74   Con::setIntVariable(vnRenderTargetChanges, mRenderTargetChanges);
75}
76