X-Git-Url: http://git.euphorik.ch/index.cgi?a=blobdiff_plain;f=WCudaMSE%2FTuto_Image_Cuda%2Fsrc%2Fcpp%2Fcore%2F00_Vague_warmup%2Fvague0FreeGL.cpp;fp=WCudaMSE%2FTuto_Image_Cuda%2Fsrc%2Fcpp%2Fcore%2F00_Vague_warmup%2Fvague0FreeGL.cpp;h=907c40b260db28658efedec8a212f0fb74dbcc22;hb=8d08c12b29c2a14684f35c023ee39e694bb80d25;hp=0000000000000000000000000000000000000000;hpb=226de81f7e1f1fbf4ac79d0d089e8a05ec7159a0;p=GPU.git

diff --git a/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/vague0FreeGL.cpp b/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/vague0FreeGL.cpp
new file mode 100755
index 0000000..907c40b
--- /dev/null
+++ b/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/vague0FreeGL.cpp
@@ -0,0 +1,88 @@
+#include <iostream>
+
+#include "cudaTools.h"
+#include "Device.h"
+#include "MathTools.h"
+
+#include "Chronos.h"
+
+using std::cout;
+using std::endl;
+
+/*----------------------------------------------------------------------*\
+ |*			Declaration 					*|
+ \*---------------------------------------------------------------------*/
+
+/*--------------------------------------*\
+ |*		Imported		*|
+ \*-------------------------------------*/
+
+extern void launchKernelVague0(uchar4* ptrDevPixels, int w, int h, float t);
+
+/*--------------------------------------*\
+ |*		Public			*|
+ \*-------------------------------------*/
+
+int vague0FreeGL(int itmax=1000);
+
+/*--------------------------------------*\
+ |*		Private			*|
+ \*-------------------------------------*/
+
+/*----------------------------------------------------------------------*\
+ |*			Implementation 					*|
+ \*---------------------------------------------------------------------*/
+
+/*--------------------------------------*\
+ |*		Public			*|
+ \*-------------------------------------*/
+
+/**
+ * Hyp: itmax suffisamment grand pour que timeElapse soit significatif
+ */
+int vague0FreeGL(int itmax)
+    {
+    cout<<"\n[Vague0] : FreeGL running ..."<<endl;
+
+    int h = 16 * 60;
+    int w = h;
+
+    uchar4* ptrDevImage;
+    size_t size = w * h * sizeof(uchar4);
+    HANDLE_ERROR(cudaMalloc((void**) &ptrDevImage, size));
+    HANDLE_ERROR(cudaMemset(ptrDevImage, 0, size));
+
+    int i = 0;
+    float t = 0;
+    float dt = 2 * PI / 10000;
+    Chronos chrono;
+
+    while (i < itmax)
+	{
+	launchKernelVague0(ptrDevImage, w, h, t); // assynchrone!
+	Device::checkKernelError("Vague0");
+	Device::synchronize(); // Important!
+
+	t += dt;
+	i++;
+	}
+
+    chrono.stop();
+    HANDLE_ERROR(cudaFree(ptrDevImage));
+
+    double timeElapseS = chrono.getDeltaTime();
+    int fps = itmax / timeElapseS;
+
+    cout<<"fps : "<<fps<<endl;
+
+    return fps;
+    }
+
+/*--------------------------------------*\
+ |*		Private			*|
+ \*-------------------------------------*/
+
+/*----------------------------------------------------------------------*\
+ |*			End	 					*|
+ \*---------------------------------------------------------------------*/
+