public void Tick()
{
// start timer
timer.Restart();
// run the simulation, 1 step
inBuffer.CopyToDevice();
kernel.Execute(workSize);
outBuffer.CopyFromDevice();
for (int i = 0; i < pw * ph; i++)
{
_in[i] = 0;
}
// visualize current state, DRAW FUNCTION -> GPU BONUS.
screen.Clear(0);
for (uint y = 0; y < screen.height / scale; y++)
{
for (uint x = 0; x < screen.width / scale; x++)
{
if (GetBit(x + xoffset, y + yoffset) == 1)
{
if (scale > 1)
{
for (uint j = 0; ((j + 1) % scale) != 0; j++)
{
for (uint i = 0; ((i + 1) % scale) != 0; i++)
{
screen.Plot((x * scale + i), (y * scale + j), 0xffffff);
}
}
}
else
{
screen.Plot(x, y, 0xffffff);
}
}
}
}
for (uint y = 0; y < ph; y++)
{
for (uint x = 0; x < pw * 32; x++)
{
if (GetBit(x, y) == 1)
{
BitSet(x, y);
}
}
}
string text = "Scale: " + scale + "x";
screen.Print(text, 5, 5, 0xffffff);
// report performance
Console.WriteLine("generation " + generation++ + ": " + timer.ElapsedMilliseconds + "ms");
}
// TICK
// Main application entry point: the template calls this function once per frame.
public void Tick()
{
// start timer
timer.Restart();
// run the simulation, 1 step
//Simulate();
//patternBuffer = new OpenCLBuffer<uint>(ocl, pattern);
//secondBuffer = new OpenCLBuffer<uint>(ocl, second);
// visualize current state
screen.Clear(0);
//for( uint y = 0; y < screen.height; y++ ) for( uint x = 0; x < screen.width; x++ )
// if (GetBit( x + xoffset, y + yoffset ) == 1) screen.Plot( x, y, 0xffffff );
// report performance
Console.WriteLine("generation " + generation++ + ": " + timer.ElapsedMilliseconds + "ms");
// do random OCL stuff
GL.Finish();
clearKernel.SetArgument(0, image);
kernel.SetArgument(0, image);
kernel.SetArgument(1, pw);
kernel.SetArgument(2, ph);
kernel.SetArgument(3, patternBuffer);
kernel.SetArgument(4, secondBuffer);
// execute kernel
long[] workSize = { 512, 512 };
long[] localSize = { 32, 4 };
kernel.LockOpenGLObject(image.texBuffer);
clearKernel.Execute(workSize, null);
kernel.Execute(workSize, localSize);
kernel.UnlockOpenGLObject(image.texBuffer);
}
// tick: renders one frame
public void Tick()
{
keyPress();
screen.Clear(0);
// A step
a= a + 0.01F;
// These rotate the square
float x1 = -1, y1 = 1.0f;
float rx1 = (float)(x1 * Math.Cos(a) - y1 * Math.Sin(a));
float ry1 = (float)(x1 * Math.Sin(a) + y1 * Math.Cos(a));
float x2 = 1, y2 = 1.0f;
float rx2 = (float)(x2 * Math.Cos(a) - y2 * Math.Sin(a));
float ry2 = (float)(x2 * Math.Sin(a) + y2 * Math.Cos(a));
float x3 = 1, y3 = -1.0f;
float rx3 = (float)(x3 * Math.Cos(a) - y3 * Math.Sin(a));
float ry3 = (float)(x3 * Math.Sin(a) + y3 * Math.Cos(a));
float x4 = -1, y4 = -1.0f;
float rx4 = (float)(x4 * Math.Cos(a) - y4 * Math.Sin(a));
float ry4 = (float)(x4 * Math.Sin(a) + y4 * Math.Cos(a));
// These translate to screen coordinates and actually draw the square
screen.Line(TX(rx1), TY(ry1), TX(rx2), TY(ry2), 0xffffff);
screen.Line(TX(rx2), TY(ry2), TX(rx3), TY(ry3), 0xffffff);
screen.Line(TX(rx3), TY(ry3), TX(rx4), TY(ry4), 0xffffff);
screen.Line(TX(rx4), TY(ry4), TX(rx1), TY(ry1), 0xffffff);
}
// tick: renders one frame
public void Tick()
{
screen.Clear( 0 );
screen.Print( "hello world", 2, 2, 0xffffff );
screen.Line(2, 20, 160, 20, 0xff0000);
a += 1f / 30;
Ex3(a);
}
// tick for background surface
public void Tick()
{
screen.Clear(0);
KeyboardState state = OpenTK.Input.Keyboard.GetState();
sceneGraph.HandleInput(state);
}
public void Tick()
{
screen.Clear(0);
RenderRaycastScene();
RenderDebugProps();
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
// Drawing the Red Seperation line in the middle
screen.Line(screen.width / 2, 0, screen.width / 2, screen.height, 0xff0000);
screen.Print("X", screen.width - 25, screen.height /2 + 10, 0xffffff);
screen.Print("Z", screen.width / 4 * 3+ 5, screen.height - 20, 0xffffff);
// start rendering
Raytracing();
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0x000000);
KeyboardInput();
DrawGridLines(0x008800, 0x004400, 1f, 1f);
PlotFunction(0.1f, 0xff0000);
PlotPolarFunction(0.01f, 0x0000ff,0,(float)Math.PI*10f);
screen.Print(labelFunction(),5,5, 0xff0000);
screen.Print(labelPolarFunction(), 5, 25, 0x0000ff);
}
// tick: renders one frame
public void Tick()
{
//calls the render method within raytracer, debug is also rendered (called from within raytracer.render)
raytracer.Render();
handleKeyPresses();
if (handledPress)
{
screen.Clear(0);
handledPress = false;
}
}
public void Process()
{
GL.Finish();
screen.Clear(0);
timer.Start();
generatie++;
// if (generatie % 2 == 1) {
// k_sim.SetArgument(0, patroon);
// k_sim.SetArgument(1, volgende); // @Todo: dit ook voor de halo kernels
// k_copy.SetArgument(0, patroon);
// k_copy.SetArgument(1, volgende);
// }
// else {
// k_sim.SetArgument(0, volgende);
// k_sim.SetArgument(1, patroon);
// k_copy.SetArgument(0, volgende);
// k_copy.SetArgument(1, patroon);
// }
if (GLInterop)
{
if (resolution != lastResolution)
{
image = new OpenCLImage <int>(ocl, resolution.x, resolution.y);
lastResolution = resolution;
k_sim.SetArgument(3, resolution);
}
k_sim.SetArgument(5, image);
k_sim.LockOpenGLObject(image.texBuffer);
k_sim.Execute(werk);
k_sim.UnlockOpenGLObject(image.texBuffer);
}
else
{
k_sim.SetArgument(5, buffer);
k_sim.Execute(werk);
buffer.CopyFromDevice();
for (int i = 0; i < buffer.Length; ++i)
{
screen.pixels[i] = buffer[i];
}
}
k_copy.Execute(werk_klein); // Kopieer wat zojuist in patroon is geschreven naar de tweede buffer
timer.Stop();
Console.Write("\r{0}ms", timer.ElapsedMilliseconds);
timer.Reset();
}
// tick: renders one frame
public void Tick()
{
//clear
screen.Clear(0);
raytracer.rays.Clear();
int DEFAULT_COLOR = convertColor(new Vector3(255));
for (int i = 0; i < SCREEN_SIZE; i++)
{
for (int j = 0; j < SCREEN_SIZE; j++)
{
//Render Screen
int location = i + j * SCREEN_SIZE * 2;
Vector3 Color = raytracer.Render(i / (SCREEN_SIZE * 1.0f), j / (SCREEN_SIZE * 1.0f));
screen.pixels[location] = convertColor(Color);
//Debug Screen Default
screen.pixels[i + SCREEN_SIZE + j * SCREEN_SIZE * 2] = 0;
}
}
//Debug View
//Draw Sphere
foreach(Primitive primitive in raytracer.scene.primitives)
{
if(primitive is Sphere)
{
Sphere sphere = (Sphere)primitive;
for (int degree = 0; degree < 360; degree++)
{
int coordX = (int)(CUBE_SIZE * (sphere.radius * Math.Cos(degree) + sphere.pos.X));
int coordY = (int)(CUBE_SIZE * (sphere.radius * Math.Sin(degree) - sphere.pos.Z));
screen.Plot(coordX+ 768, coordY + 350, convertColor(sphere.Color));
}
}
}
//Draw Camera point
screen.Box((int)raytracer.camera.pos.X + 767, (int)raytracer.camera.pos.Z * -1 + 349, (int)raytracer.camera.pos.X + 769, (int)raytracer.camera.pos.Z * -1 + 351, DEFAULT_COLOR);
//Draw Rays
foreach(Ray ray in raytracer.rays)
{
float coordX = CUBE_SIZE * (ray.O.X + 40 * ray.D.X);
float coordY = CUBE_SIZE * (ray.O.Z + 40 * ray.D.Z);
screen.Line((int)ray.O.X + 768, (int)ray.O.Z * -1 + 350, (int)coordX + 768, (int)coordY * -1 + 350, DEFAULT_COLOR);
}
//Dividing Line
screen.Line(SCREEN_SIZE, 0, SCREEN_SIZE, SCREEN_SIZE, DEFAULT_COLOR);
//User Input
application.UpdateCam(raytracer.camera);
}
// Draws pixel on the screen with ability to zoom
public void DrawScreenZoom()
{
// clear the screen
screen.Clear(0);
// you essentially draw a smaller segment of the field
for (uint y = 0; y < screen.height / zoom; y++)
{
for (uint x = 0; x < screen.width / zoom; x++)
{
if (GetBit(x + xoffset, y + yoffset) == 1)
{
// draw a white square per white bit
for (uint i = 0; i < zoom; i++)
{
for (uint j = 0; j < zoom; j++)
{
screen.Plot(x * zoom + i, y * zoom + j, 0xffffff);
}
}
}
}
}
}
// tick: renders one frame
public void Tick()
{
// Handle keyboard input. Arrow keys move the camera, WASD is used for turning the camera, LShift and Enter move the camera up and down
var keyboard = OpenTK.Input.Keyboard.GetState();
if (keyboard[OpenTK.Input.Key.W])
{
Tracer.Camera.turnCamera(-0.1f * Tracer.Camera.YDirection);
}
if (keyboard[OpenTK.Input.Key.A])
{
Tracer.Camera.turnCamera(-0.1f * Tracer.Camera.XDirection);
}
if (keyboard[OpenTK.Input.Key.S])
{
Tracer.Camera.turnCamera(0.1f * Tracer.Camera.YDirection);
}
if (keyboard[OpenTK.Input.Key.D])
{
Tracer.Camera.turnCamera(0.1f * Tracer.Camera.XDirection);
}
if (keyboard[OpenTK.Input.Key.Enter])
{
Tracer.Camera.moveCamera(-0.1f * Tracer.Camera.YDirection);
}
if (keyboard[OpenTK.Input.Key.LShift])
{
Tracer.Camera.moveCamera(0.1f * Tracer.Camera.YDirection);
}
if (keyboard[OpenTK.Input.Key.Left])
{
Tracer.Camera.moveCamera(-0.1f * Tracer.Camera.XDirection);
}
if (keyboard[OpenTK.Input.Key.Right])
{
Tracer.Camera.moveCamera(0.1f * Tracer.Camera.XDirection);
}
if (keyboard[OpenTK.Input.Key.Up])
{
Tracer.Camera.moveCamera(0.1f * Tracer.Camera.Orientation);
}
if (keyboard[OpenTK.Input.Key.Down])
{
Tracer.Camera.moveCamera(-0.1f * Tracer.Camera.Orientation);
}
Screen.Clear(0);
Screen.Print("Tracer", 2, 2, 0xffffff);
Tracer.Render(Debugging);
}
GL.CompileShader(ID);
GL.AttachShader(program, ID);
Console.WriteLine(GL.GetShaderInfoLog(ID));
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
screen.Print("hello world", 2, 2, 0xffffff);
screen.Line(2, 20, 160, 20, 0xff0000);
Vierkant();
DraaiendVierkant();
Matrix4 M = Matrix4.CreateFromAxisAngle(new Vector3(0, 0, 1), Timer);
M *= Matrix4.CreateFromAxisAngle(new Vector3(1, 0, 0), 1.9f);
public void Tick()
{
GL.Finish();
// clear the screen
screen.Clear( 0 );
// do opencl stuff
if (GLInterop) kernel.SetArgument( 0, image );
else kernel.SetArgument( 0, buffer );
kernel.SetArgument( 1, t );
t += 0.1f;
// execute kernel
long [] workSize = { 512, 512 };
long [] localSize = { 32, 4 };
if (GLInterop)
{
// INTEROP PATH:
// Use OpenCL to fill an OpenGL texture; this will be used in the
// Render method to draw a screen filling quad. This is the fastest
// option, but interop may not be available on older systems.
// lock the OpenGL texture for use by OpenCL
kernel.LockOpenGLObject( image.texBuffer );
// execute the kernel
kernel.Execute( workSize, localSize );
// unlock the OpenGL texture so it can be used for drawing a quad
kernel.UnlockOpenGLObject( image.texBuffer );
}
else
{
// NO INTEROP PATH:
// Use OpenCL to fill a C# pixel array, encapsulated in an
// OpenCLBuffer<int> object (buffer). After filling the buffer, it
// is copied to the screen surface, so the template code can show
// it in the window.
// execute the kernel
kernel.Execute( workSize, localSize );
// get the data from the device to the host
buffer.CopyFromDevice();
// plot pixels using the data on the host
for( int y = 0; y < 512; y++ ) for( int x = 0; x < 512; x++ )
{
screen.pixels[x + y * screen.width] = buffer[x + y * 512];
}
}
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
// top left corner
float x1 = -1, y1 = 1.0f;
float rx1 = (float)(x1 * Math.Cos(alpha) - y1 * Math.Sin(alpha));
float ry1 = (float)(x1 * Math.Sin(alpha) + y1 * Math.Cos(alpha));
// top right corner
float x2 = 1, y2 = 1.0f;
float rx2 = (float)(x2 * Math.Cos(alpha) - y2 * Math.Sin(alpha));
float ry2 = (float)(x2 * Math.Sin(alpha) + y2 * Math.Cos(alpha));
// bottom right corner
float x3 = 1, y3 = -1.0f;
float rx3 = (float)(x3 * Math.Cos(alpha) - y3 * Math.Sin(alpha));
float ry3 = (float)(x3 * Math.Sin(alpha) + y3 * Math.Cos(alpha));
// bottom left corner
float x4 = -1, y4 = -1.0f;
float rx4 = (float)(x4 * Math.Cos(alpha) - y4 * Math.Sin(alpha));
float ry4 = (float)(x4 * Math.Sin(alpha) + y4 * Math.Cos(alpha));
int redColor = createColor(255, 50, 50);
int whiteColor = createColor(255, 255, 255);
screen.Line(TX(rx1), TY(ry1), TX(rx2), TY(ry2), redColor);
screen.Line(TX(rx2), TY(ry2), TX(rx3), TY(ry3), redColor);
screen.Line(TX(rx3), TY(ry3), TX(rx4), TY(ry4), redColor);
screen.Line(TX(rx4), TY(ry4), TX(rx1), TY(ry1), redColor);
alpha += .01;
//draw x and y axes
screen.Line(TX(minX), TY(0), TX(maxX), TY(0), whiteColor);
screen.Line(TX(0), TY(minY), TX(0), TY(maxY), whiteColor);
//draw custom lines here ( y = ax + b, color c)
int greenColor = createColor(40, 255, 40);
drawLine(3, 5, greenColor);
handleKeyPresses();
}
// TICK
// Main application entry point: the template calls this function once per frame.
public void Tick()
{
// start timer
timer.Restart();
// run the simulation, 1 step
Simulate();
// visualize current state
screen.Clear(0);
for (uint y = 0; y < screen.height; y++)
{
for (uint x = 0; x < screen.width; x++)
{
if (GetBit(x + xoffset, y + yoffset) == 1)
{
screen.Plot(x, y, 0xffffff);
}
}
}
// report performance
Console.WriteLine("generation " + generation++ + ": " + timer.ElapsedMilliseconds + "ms");
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
//Parallel.For is used for Multi- threading
//Loop over all pixels in the screen
Parallel.For(0, screen.height, (y) =>
{
Parallel.For(0, screen.width, (x) =>
{
var color = new Vector3(); //Black to begin with
Vector2 ray_position = new Vector2(TransX(x), TransY(y)); //position on the screen
//for each pixel loop over the light sources
foreach (Light light in LightList)
{
//shoot a ray from each pixel to each existing light source
var ray = new Ray(ray_position, light.position - ray_position);
bool occluded = false;
//loop over all primitives that are in the world
foreach (IPrimitive p in PrimitiveList)
{
if (p.Intersect(ray))
{
occluded = true;
}
}
if (!occluded)
{
color += light.color * lightAttenuation(ray.t) * light.brightness;
}
}
screen.Plot(x, y, ToRGB32(color));
});
});
}
public void RenderGL()
{
screen.Clear(0);
application.HandleInput();
application.Update();
}
// tick for background surface
public void Tick()
{
screen.Clear(0);
}
// tick: renders one frame
public void Tick()
{
screen.Clear(CreateColor(0, 0, 0));
Debug();
raytracer.Render();
}
public void Tick()
{
screen.Clear(0);
Render(cam, scene, displaySurf);
}
// tick for background surface
public void Tick()
{
screen.Clear(0);
screen.Print("hello world", 2, 2, 0xffff00);
readKey();
}
// Render: renders one frame
public void Render()
{
screen.Clear(0);
Vector3 Color;
//render screens
for (int y = 0; y < screen.height; y++)
{
for (int x = 0; x < screen.width; x++)
{
//Create primary ray
Ray ray;
ray.t = 30;
ray.O = camera.CamPos;
ray.D = screen.pos0 + (x * ((screen.pos1 - screen.pos0) / 512.0f)) + (y * ((screen.pos2 - screen.pos0) / 512.0f));
//ray normalized direction
ray.D = (ray.D - camera.CamPos).Normalized();
Intersection nearest = null;
Intersection nearestref = null;
foreach (Primitive p in prims)
{
Intersection overr = p.Intersection(ref ray);
if (overr != null)
{
nearest = overr;
}
}
// if there is an intersection, create a shadow ray
if (nearest != null)
{
//Check if the material is reflective
if (nearest.isMirror == false)
{
Color = CastShadowRay(nearest);
}
else
{
Color = CastShadowRay(nearest) * (1 - recursive / 100);
//Create reflection ray
Ray reflectionRay;
reflectionRay.D = ray.D - 2 * nearest.N * (Vector3.Dot(ray.D, nearest.N));
reflectionRay.O = nearest.I + reflectionRay.D * 0.0001f;
reflectionRay.t = 300;
foreach (Primitive p in prims)
{
Intersection overr = p.Intersection(ref reflectionRay);
if (overr != null)
{
nearestref = overr;
}
}
Vector3 Color2 = Vector3.Zero;
if (nearestref != null)
{
//check if the nearest reflected object is reflective to
if (nearestref.isMirror)
{
if (recursive != 100)
{
Color2 = CastShadowRay(nearestref) * (recursive / 100.0f);
}
}
else
{
Color2 = CastShadowRay(nearestref) * (recursive / 100.0f);
}
}
else
{
Color2 = Vector3.Zero;
}
Color = Color + Color2;
//draw reflectionrays on debug screen.
if (x % 20 == 0 && y == screen.height / 2)
{
screenDebug.Line(CordxTrans(reflectionRay.O.X), CordzTrans(reflectionRay.O.Z), CordxTrans(reflectionRay.D.X * ray.t), CordzTrans(reflectionRay.D.Z * ray.t), 0xff00ff);
}
}
}
else
{
Color = Vector3.Zero;
}
//plot the correct color on the correct pixel
screen.Plot(x, y, Color);
//Draw 1 in 10 rays on the debugscreen
if (x % 20 == 0 && y == screen.height / 2)
{
screenDebug.Line(CordxTrans(camera.CamPos.X), CordzTrans(camera.CamPos.Z), CordxTrans(ray.D.X * ray.t + camera.CamPos.X), CordzTrans(ray.D.Z * ray.t + camera.CamPos.Z), 0xffff00);
}
}
}
//Draw Debug screen
//Draw line between screen and debug screen
screenDebug.Line(0, 0, 0, 1024, 0xffffff);
//Draw camera as 2 orange lines
screenDebug.Line(CordxTrans(camera.CamPos.X) - 5, CordzTrans(camera.CamPos.Y) - 1, CordxTrans(camera.CamPos.X) + 5, CordzTrans(camera.CamPos.Y) - 1, 0xffa500);
screenDebug.Line(CordxTrans(camera.CamPos.X) - 5, CordzTrans(camera.CamPos.Y) + 1, CordxTrans(camera.CamPos.X) + 5, CordzTrans(camera.CamPos.Y) + 1, 0xffa500);
//Draw screen as a blue line
screenDebug.Line(CordxTrans(screen.pos1.X), CordzTrans(screen.pos1.Z), CordxTrans(screen.pos2.X), CordzTrans(screen.pos2.Z), 0x00ffff);
//Draw spheres
var sphere1 = GetSphere1;
screenDebug.DrawSphere(sphere1);
var sphere2 = GetSphere2;
screenDebug.DrawSphere(sphere2);
var sphere3 = GetSphere3;
screenDebug.DrawSphere(sphere3);
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
a += .01;
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
raytracer.Render(screen);
}
// TICK
// Main application entry point: the template calls this function once per frame.
public void Tick()
{
GL.Finish();
// start timer
timer.Restart();
//Initiate work sizes
long[] workSize = { pw, ph };
long[] workSize2 = { pw *ph };
//Set kernel arguments
kernel.SetArgument(5, xoffset);
kernel.SetArgument(6, yoffset);
resolution = (int)(zoom * 512);
long[] workSize3 = { resolution / 32, resolution };
kernel.SetArgument(7, resolution);
// run the simulation, 1 step
screen.Clear(0);
if (GLinterop)
{
if (resolution != oldResolution)
{
image = new OpenCLImage <int>(ocl, resolution, resolution);
oldResolution = resolution;
}
//set image as argument
imageClearKernel.SetArgument(0, image);
imageClearKernel.LockOpenGLObject(image.texBuffer);
imageClearKernel.Execute(workSize3);
imageClearKernel.UnlockOpenGLObject(image.texBuffer);
//lock image object
kernel.SetArgument(0, image);
kernel.LockOpenGLObject(image.texBuffer);
//run kernel
kernel.Execute(workSize);
//unlock image object
kernel.UnlockOpenGLObject(image.texBuffer);
secondKernel.Execute(workSize2);
}
else
{
kernel.SetArgument(0, buffer);
for (int i = 0; i < buffer.Length; i++)
{
buffer[i] = 0;
}
buffer.CopyToDevice();
kernel.Execute(workSize);
secondKernel.Execute(workSize2);
buffer.CopyFromDevice();
for (uint y = 0; y < screen.height; y++)
{
for (uint x = 0; x < screen.width; x++)
{
screen.Plot(x, y, buffer[x + y * 512]);
}
}
}
// visualize current state
// report performance
Console.WriteLine("generation " + generation++ + ": " + timer.ElapsedMilliseconds + "ms");
//Console.ReadLine();
}
// tick: renders one frame
public void Tick()
{
screen.Clear(0);
//move the lights
if (dir % 2 == 0)
{
lightbuffer[0] += TW(0.1f);
lightbuffer[5] -= TW(0.1f);
lightbuffer[11] += TW(0.1f);
lightbuffer[16] -= TW(0.1f);
}
else
{
lightbuffer[0] -= TW(0.1f);
lightbuffer[5] += TW(0.1f);
lightbuffer[11] -= TW(0.1f);
lightbuffer[16] += TW(0.1f);
}
if (TW(worldsize) < lightbuffer[0] || lightbuffer[0] < TX(-worldsize))
{
dir++;
}
Thread t1 = new Thread(() =>
{
plot(TX((-worldsize + (0f / 8f * worldsize * 2))), TX((-worldsize + (1f / 8f * worldsize * 2))));
});
Thread t2 = new Thread(() =>
{
plot(TX((-worldsize + (1f / 8f * worldsize * 2))), TX((-worldsize + (2f / 8f * worldsize * 2))));
});
Thread t3 = new Thread(() =>
{
plot(TX((-worldsize + (2f / 8f * worldsize * 2))), TX((-worldsize + (3f / 8f * worldsize * 2))));
});
Thread t4 = new Thread(() =>
{
plot(TX((-worldsize + (3f / 8f * worldsize * 2))), TX((-worldsize + (4f / 8f * worldsize * 2))));
});
Thread t5 = new Thread(() =>
{
plot(TX((-worldsize + (4f / 8f * worldsize * 2))), TX((-worldsize + (5f / 8f * worldsize * 2))));
});
Thread t6 = new Thread(() =>
{
plot(TX((-worldsize + (5f / 8f * worldsize * 2))), TX((-worldsize + (6f / 8f * worldsize * 2))));
});
Thread t7 = new Thread(() =>
{
plot(TX((-worldsize + (6f / 8f * worldsize * 2))), TX((-worldsize + (7f / 8f * worldsize * 2))));
});
Thread t8 = new Thread(() =>
{
plot(TX((-worldsize + (7f / 8f * worldsize * 2))), (TX((-worldsize + (8f / 8f * worldsize * 2)))) - 1);
});
tarr[0] = t1;
tarr[1] = t2;
tarr[2] = t3;
tarr[3] = t4;
tarr[4] = t5;
tarr[5] = t6;
tarr[6] = t7;
tarr[7] = t8;
for (int td = 0; td < tarr.Length; td++)
{
tarr[td].Start();
}
for (int td = 0; td < tarr.Length; td++)
{
tarr[td].Join();
}
for (int i = 0; i < (screen.width - 1); i++)
{
for (int j = 0; j < (screen.height - 1); j++)
{
screen.Plot(i, j, MixColor(MathHelper.Clamp(floatbuffer[i, j][0], 0, 1), MathHelper.Clamp(floatbuffer[i, j][1], 0, 1), MathHelper.Clamp(floatbuffer[i, j][2], 0, 1)));
}
}
primitivesDraw();
}
// TICK
// Main application entry point: the template calls this function once per frame.
public void Tick()
{
// start timer
timer.Restart();
// run the simulation, 1 step
GL.Finish();
// clear the screen
screen.Clear(0);
// do opencl stuff
if (!GLInterop)
{
kernel.SetArgument(0, buffer);
// if we have an even generation, we set the "pattern" variable in opencl
// to the patternBuffer and "second" to the secondBuffer
// if the generation is odd, we set "pattern" to secondBuffer and
// "second" to patternBuffer
// So every generation these buffers get swapped, so we don't have to
// manually swap them every time
if (generation % 2 == 0)
{
kernel.SetArgument(4, patternBuffer);
kernel.SetArgument(5, secondBuffer);
}
else
{
kernel.SetArgument(4, secondBuffer);
kernel.SetArgument(5, patternBuffer);
}
}
kernel.SetArgument(6, xoffset);
kernel.SetArgument(7, yoffset);
// execute kernel
long[] workSize = { amountOfCells };
if (GLInterop)
{
// INTEROP PATH:
// Use OpenCL to fill an OpenGL texture; this will be used in the
// Render method to draw a screen filling quad. This is the fastest
// option, but interop may not be available on older systems.
// lock the OpenGL texture for use by OpenCL
kernel.LockOpenGLObject( image.texBuffer );
// execute the kernel
kernel.Execute( workSize, null );
// Wait for the kernel to finish
kernel.Finish();
// execute the copy kernel
copyKernel.Execute(workSize, null);
// wait for the copykernel to finish
copyKernel.Finish();
// unlock the OpenGL texture so it can be used for drawing a quad
kernel.UnlockOpenGLObject( image.texBuffer );
}
else
{
// NO INTEROP PATH:
// Use OpenCL to fill a C# pixel array, encapsulated in an
// OpenCLBuffer<int> object (buffer). After filling the buffer, it
// is copied to the screen surface, so the template code can show
// it in the window.
// execute the kernel
kernel.Execute( workSize, null );
// get the data from the device to the host
buffer.CopyFromDevice();
// plot pixels using the data on the host
for (int y = 0; y < screenHeight; y++)
{
for (int x = 0; x < screenWidth; x++)
{
int index = x + y * screenWidth;
screen.pixels[index] = buffer[index];
}
}
}
// report performance
Console.WriteLine("generation " + generation++ + ": " + timer.ElapsedMilliseconds + "ms");
}
// tick: renders one frame
public void Tick()
{
//float t = 21.5f;
// initialize timer
if (firstFrame)
{
timer.Reset();
timer.Start();
firstFrame = false;
}
// handle keys, only when running time set to -1 (infinite)
if (runningTime == -1)
if (camera.HandleInput())
{
// camera moved; restart
ClearAccumulator();
}
// render
if (useGPU)
{
// add your CPU + OpenCL path here
// mind the gpuPlatform parameter! This allows us to specify the platform on our
// test system.
// note: it is possible that the automated test tool provides you with a different
// platform number than required by your hardware. In that case, you can hardcode
// the platform during testing (ignoring gpuPlatform); do not forget to put back
// gpuPlatform before submitting!
GL.Finish();
// clear the screen
screen.Clear(0);
// do opencl stuff
if (GLInterop)
{
kernel.SetMemoryArgument(0, texBuffer);
}
else
{
kernel.SetMemoryArgument(0, buffer);
}
// execute kernel
//long[] workSize = { screen.width, screen.height };
long[] localSize = { 8, 12 };
long [] workSize = { screen.width , screen.height };
if (GLInterop)
{
List<ComputeMemory> c = new List<ComputeMemory>() { texBuffer };
queue.AcquireGLObjects(c, null);
queue.Execute(kernel, null, workSize, localSize, null);
queue.Finish();
queue.ReleaseGLObjects(c, null);
}
else
{
camera.Update();
gpuCamera = new GPUCamera(camera.pos, camera.p1, camera.p2, camera.p3, camera.up, camera.right, screen.width, screen.height, camera.lensSize);
float scale = 1.0f / (float)++spp;
kernel.SetValueArgument(2, gpuCamera);
kernel.SetValueArgument(3, scale);
queue.Execute(kernel, null, workSize, localSize, null);
queue.Finish();
// fetch results
if (!GLInterop)
{
queue.ReadFromBuffer(buffer, ref data, true, null);
// visualize result
for (int y = 0; y < screen.height; y++)
for (int x = 0; x < screen.width; x++)
{
int temp = x + y * screen.width;
screen.pixels[temp] = data[temp];
}
}
}
}
else
{
// this is your CPU only path
float scale = 1.0f / (float)++spp;
Parallel.For(0, dataArray.Length, parallelOptions, (id) =>
{
for (int j = dataArray[id].y1; j < dataArray[id].y2 && j < screen.height; j++)
{
for (int i = dataArray[id].x1; i < dataArray[id].x2 && i < screen.width; i++)
{
// generate primary ray
Ray ray = camera.Generate(RTTools.GetRNG(), i, j);
// trace path
int pixelIdx = i + j * screen.width;
accumulator[pixelIdx] += Sample(ray, 0);
// plot final color
screen.pixels[pixelIdx] = RTTools.Vector3ToIntegerRGB(scale * accumulator[pixelIdx]);
}
}
});
}
// stop and report when max render time elapsed
int elapsedSeconds = (int)(timer.ElapsedMilliseconds / 1000);
if (runningTime != -1) if (elapsedSeconds >= runningTime)
{
OpenTKApp.Report((int)timer.ElapsedMilliseconds, spp, screen);
}
}
