frodovdr/hyperion.ng
1
0
Fork 0
mirror of https://github.com/hyperion-project/hyperion.ng.git synced 2023-10-10 13:36:59 +02:00
Code Issues Releases Wiki Activity

Added performance test for x11 grabbing

Browse Source 
Former-commit-id: b8c60cf9984c6961675b41002bed40d251bff9fa
This commit is contained in:
T. van der Zwan 2014-02-25 22:08:54 +01:00
parent 591a071856
commit 6b63b57f17
2 changed files with 147 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
test/CMakeLists.txt
View File

@ -53,6 +53,14 @@ add_executable(test_qtscreenshot TestQtScreenshot.cpp)
target_link_libraries(test_qtscreenshot
${QT_LIBRARIES})
if(ENABLE_X11)
# Find X11
find_package(X11 REQUIRED)
add_executable(test_x11performance TestX11Performance.cpp)
target_link_libraries(test_x11performance ${X11_LIBRARIES} ${QT_LIBRARIES})
endif(ENABLE_X11)
add_executable(determineWs2811Timing DetermineWs2811Timing.cpp)
add_executable(test_rs232highspeed

139
test/TestX11Performance.cpp Normal file
View File

@ -0,0 +1,139 @@
// X11 includes
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <QElapsedTimer>
#include <utils/Image.h>
#include <utils/ColorRgb.h>
void foo_1(int pixelDecimation)
{
int cropWidth = 0;
int cropHeight = 0;
Image<ColorRgb> image(64, 64);
/// Reference to the X11 display (nullptr if not opened)
Display * x11Display;
const char * display_name = nullptr;
x11Display = XOpenDisplay(display_name);
std::cout << "Opened display: " << x11Display << std::endl;
XWindowAttributes window_attributes_return;
XGetWindowAttributes(x11Display, DefaultRootWindow(x11Display), &window_attributes_return);
int screenWidth = window_attributes_return.width;
int screenHeight = window_attributes_return.height;
std::cout << "[" << screenWidth << "x" << screenHeight <<"]" << std::endl;
// Update the size of the buffer used to transfer the screenshot
int width = (screenWidth - 2 * cropWidth + pixelDecimation/2) / pixelDecimation;
int height = (screenHeight - 2 * cropHeight + pixelDecimation/2) / pixelDecimation;
image.resize(width, height);
const int croppedWidth = screenWidth - 2*cropWidth;
const int croppedHeight = screenHeight - 2*cropHeight;
QElapsedTimer timer;
timer.start();
XImage * xImage = XGetImage(x11Display, DefaultRootWindow(x11Display), cropWidth, cropHeight, croppedWidth, croppedHeight, AllPlanes, ZPixmap);
std::cout << "Captured image: " << xImage << std::endl;
// Copy the capture XImage to the local image (and apply required decimation)
ColorRgb * outputPtr = image.memptr();
for (int iY=(pixelDecimation/2); iY<croppedHeight; iY+=pixelDecimation)
{
for (int iX=(pixelDecimation/2); iX<croppedWidth; iX+=pixelDecimation)
{
// Extract the pixel from the X11-image
const uint32_t pixel = uint32_t(XGetPixel(xImage, iX, iY));
// Assign the color value
outputPtr->red = uint8_t((pixel >> 16) & 0xff);
outputPtr->green = uint8_t((pixel >> 8) & 0xff);
outputPtr->blue = uint8_t((pixel >> 0) & 0xff);
// Move to the next output pixel
++outputPtr;
}
}
// Cleanup allocated resources of the X11 grab
XDestroyImage(xImage);
std::cout << "Time required: " << timer.elapsed() << " us" << std::endl;
XCloseDisplay(x11Display);
}
void foo_2(int pixelDecimation)
{
int cropWidth = 0;
int cropHeight = 0;
Image<ColorRgb> image(64, 64);
/// Reference to the X11 display (nullptr if not opened)
Display * x11Display;
const char * display_name = nullptr;
x11Display = XOpenDisplay(display_name);
XWindowAttributes window_attributes_return;
XGetWindowAttributes(x11Display, DefaultRootWindow(x11Display), &window_attributes_return);
int screenWidth = window_attributes_return.width;
int screenHeight = window_attributes_return.height;
std::cout << "[" << screenWidth << "x" << screenHeight <<"]" << std::endl;
// Update the size of the buffer used to transfer the screenshot
int width = (screenWidth - 2 * cropWidth + pixelDecimation/2) / pixelDecimation;
int height = (screenHeight - 2 * cropHeight + pixelDecimation/2) / pixelDecimation;
image.resize(width, height);
const int croppedWidth = screenWidth - 2*cropWidth;
const int croppedHeight = screenHeight - 2*cropHeight;
QElapsedTimer timer;
timer.start();
// Copy the capture XImage to the local image (and apply required decimation)
ColorRgb * outputPtr = image.memptr();
for (int iY=(pixelDecimation/2); iY<croppedHeight; iY+=pixelDecimation)
{
for (int iX=(pixelDecimation/2); iX<croppedWidth; iX+=pixelDecimation)
{
XImage * xImage = XGetImage(x11Display, DefaultRootWindow(x11Display), iX, iY, 1, 1, AllPlanes, ZPixmap);
// Extract the pixel from the X11-image
const uint32_t pixel = uint32_t(XGetPixel(xImage, 0, 0));
// Assign the color value
outputPtr->red = uint8_t((pixel >> 16) & 0xff);
outputPtr->green = uint8_t((pixel >> 8) & 0xff);
outputPtr->blue = uint8_t((pixel >> 0) & 0xff);
// Move to the next output pixel
++outputPtr;
// Cleanup allocated resources of the X11 grab
XDestroyImage(xImage);
}
}
std::cout << "Time required: " << timer.elapsed() << " us" << std::endl;
XCloseDisplay(x11Display);
}
int main()
{
foo_1(10);
foo_2(10);
return 0;
}