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opengles emulator: added FPS statistics printout

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Make the renderer print FPS statistics every 1 second.
Need to set SHOW_FPS_STATS=1

Change-Id: I69e8c43a779e685ae0b34974d1ef33ad75e7a7e4
This commit is contained in:
Guy Zadickario
2011-08-10 11:02:36 +03:00
parent 7944edcdb2
commit 13b3da879b
2 changed files with 24 additions and 1 deletions
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21
tools/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.cpp
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@@ -21,6 +21,7 @@
#include "GL2Dispatch.h"
#include "ThreadInfo.h"
#include <stdio.h>
#include "TimeUtils.h"
FrameBuffer *FrameBuffer::s_theFrameBuffer = NULL;
HandleType FrameBuffer::s_nextHandle = 0;
@@ -352,8 +353,11 @@ FrameBuffer::FrameBuffer(int p_x, int p_y, int p_width, int p_height) :
m_prevReadSurf(EGL_NO_SURFACE),
m_prevDrawSurf(EGL_NO_SURFACE),
m_subWin(NULL),
m_subWinDisplay(NULL)
m_subWinDisplay(NULL),
m_statsNumFrames(0),
m_statsStartTime(0LL)
{
m_fpsStats = getenv("SHOW_FPS_STATS") != NULL;
}
FrameBuffer::~FrameBuffer()
@@ -653,6 +657,21 @@ bool FrameBuffer::post(HandleType p_colorbuffer)
}
ret = (*c).second->post();
if (ret) {
//
// output FPS statistics
//
if (m_fpsStats) {
long long currTime = GetCurrentTimeMS();
m_statsNumFrames++;
if (currTime - m_statsStartTime >= 1000) {
float dt = (float)(currTime - m_statsStartTime) / 1000.0f;
printf("FPS: %5.3f\n", (float)m_statsNumFrames / dt);
m_statsStartTime = currTime;
m_statsNumFrames = 0;
}
}
s_egl.eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
unbind_locked();