/*****/
private void CreateDistanceField()
{
var size = 128;
var pdbName = "MA_matrix_G1";
string path = "Assets/Resources/3D Textures/" + pdbName + ".asset";
Texture3D tmp = (Texture3D)AssetDatabase.LoadAssetAtPath(path, typeof(Texture3D));
if (tmp)
{
_volumeTexture = tmp;
}
else
{
RenderTexture _distanceFieldRT;
_distanceFieldRT = new RenderTexture(size, size, 0, RenderTextureFormat.R8);
_distanceFieldRT.volumeDepth = size;
_distanceFieldRT.isVolume = true;
_distanceFieldRT.isPowerOfTwo = true;
_distanceFieldRT.enableRandomWrite = true;
_distanceFieldRT.filterMode = FilterMode.Trilinear;
_distanceFieldRT.name = pdbName;
_distanceFieldRT.hideFlags = HideFlags.HideAndDontSave;
_distanceFieldRT.generateMips = true;
_distanceFieldRT.useMipMap = true;
_distanceFieldRT.Create();
var atomSpheres = PdbLoader.LoadAtomSpheres(pdbName);
var atomSphereGPUBuffer = new ComputeBuffer(atomSpheres.Count, sizeof(float) * 4, ComputeBufferType.Default);
atomSphereGPUBuffer.SetData(atomSpheres.ToArray());
Graphics.SetRenderTarget(_distanceFieldRT);
GL.Clear(true, true, new Color(0, 0, 0));
var createDistanceFieldCS = Resources.Load("Compute Shaders/CreateDistanceField") as ComputeShader;
createDistanceFieldCS.SetInt("_GridSize", size);
createDistanceFieldCS.SetInt("_NumAtoms", atomSpheres.Count);
createDistanceFieldCS.SetBuffer(0, "_SpherePositions", atomSphereGPUBuffer);
createDistanceFieldCS.SetTexture(0, "_VolumeTexture", _distanceFieldRT);
createDistanceFieldCS.Dispatch(0, Mathf.CeilToInt(size / 10.0f), Mathf.CeilToInt(size / 10.0f), Mathf.CeilToInt(size / 10.0f));
atomSphereGPUBuffer.Release();
//****
var flatSize = size * size * size;
var voxelGPUBuffer = new ComputeBuffer(flatSize, sizeof(float));
var readVoxelsCS = Resources.Load("Compute Shaders/ReadVoxels") as ComputeShader;
readVoxelsCS.SetInt("_VolumeSize", size);
readVoxelsCS.SetBuffer(0, "_VoxelBuffer", voxelGPUBuffer);
readVoxelsCS.SetTexture(0, "_VolumeTexture", _distanceFieldRT);
readVoxelsCS.Dispatch(0, size, size, size);
var voxelCPUBuffer = new float[flatSize];
voxelGPUBuffer.GetData(voxelCPUBuffer);
var volumeColors = new Color[flatSize];
for (int i = 0; i < flatSize; i++)
{
volumeColors[i] = new Color(0, 0, 0, voxelCPUBuffer[i]);
}
var texture3D = new Texture3D(size, size, size, TextureFormat.Alpha8, true);
texture3D.SetPixels(volumeColors);
texture3D.wrapMode = TextureWrapMode.Clamp;
texture3D.anisoLevel = 0;
texture3D.Apply();
AssetDatabase.CreateAsset(texture3D, path);
AssetDatabase.SaveAssets();
// Print the path of the created asset
Debug.Log(AssetDatabase.GetAssetPath(texture3D));
voxelGPUBuffer.Release();
_distanceFieldRT.Release();
DestroyImmediate(_distanceFieldRT);
_volumeTexture = texture3D;
}
}
void Start()
{
ComputeBuffer buffer = new ComputeBuffer (4 * 4 * 2 * 2, sizeof(int));
int kernel = shader.FindKernel ("CSMain2");
shader.SetBuffer (kernel, "buffer2", buffer);
shader.Dispatch (kernel, 2, 2, 1);
int[] data = new int[4 * 4 * 2 * 2];
buffer.GetData (data);
for(int i = 0; i < 8; i++)
{
string line = "";
for(int j = 0; j < 8; j++)
{
line += " " + data[j+i*8];
}
Debug.Log (line);
}
buffer.Release ();
}
public static Tensor InvokeFunctionKernel(string name, Tensor input)
{
var compute = Pix2PixResources.Compute;
var kernel = compute.FindKernel(name);
uint tgn_x, tgn_y, tgn_z;
compute.GetKernelThreadGroupSizes(kernel, out tgn_x, out tgn_y, out tgn_z);
Debug.Assert(tgn_y == 1 && tgn_z == 1);
var length = input.Data.Length;
Debug.Assert(length % tgn_x == 0);
var buffer_input = new UnityEngine.ComputeBuffer(length, sizeof(float));
var buffer_output = new UnityEngine.ComputeBuffer(length, sizeof(float));
buffer_input.SetData(input.Data);
compute.SetBuffer(kernel, "Input", buffer_input);
compute.SetBuffer(kernel, "Output", buffer_output);
compute.Dispatch(kernel, length / (int)tgn_x, 1, 1);
var output = new Tensor(input.Shape);
buffer_output.GetData(output.Data);
buffer_input.Dispose();
buffer_output.Dispose();
return(output);
}
// Use this for initialization
void Start()
{
Debug.Log("Population size: " + populationSize);
int width = (int)Mathf.Round(Mathf.Sqrt(populationSize));
int height = (int)Mathf.Round(Mathf.Sqrt(populationSize));
testing = new ComputeBuffer(10, Marshal.SizeOf(typeof(Individual)));
Debug.Log("Seed " + DateTime.Now.Millisecond);
// Fill with random genome, and run first fitness test.
int kernel = shader.FindKernel("InitializePopulation");
DebugAux.Assert(kernel >= 0, "Couldn't find kernel: " + "InitializePopulation " + kernel);
shader.SetBuffer(kernel, "Population", testing);
shader.SetFloat("seed", DateTime.Now.Millisecond);
shader.Dispatch(kernel, 32, 32, 1);
Individual[] tes = new Individual[10];
testing.GetData(tes);
for (int i = 0; i < tes.Length; i++)
Debug.Log(tes[i].genome + " " + tes[i].fitness);
// Selection..
/*kernel = shader.FindKernel("AllOnesFitness");
DebugAux.Assert(kernel >= 0, "Couldn't find kernel: " + "AllOnesFitness " + kernel);
shader.SetBuffer(kernel, "Population", testing);
shader.Dispatch(kernel, 32, 32, 1);*/
testing.Dispose();
}
static public int GetData(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
self.GetData(a1);
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
public static Tensor InvokeConvolutionKernel(
ConvolutionMode mode, string name, Tensor input, Tensor filter, Tensor bias
)
{
var compute = Pix2PixResources.Compute;
var kernel = compute.FindKernel(name);
uint tgn_x, tgn_y, tgn_z;
compute.GetKernelThreadGroupSizes(kernel, out tgn_x, out tgn_y, out tgn_z);
var deconv = (mode == ConvolutionMode.Backward);
var outHeight = deconv ? input.Shape[0] * 2 : input.Shape[0] / 2;
var outWidth = deconv ? input.Shape[1] * 2 : input.Shape[1] / 2;
var outChannels = filter.Shape[deconv ? 2 : 3];
Debug.Assert(outHeight % tgn_z == 0);
Debug.Assert(outWidth % tgn_y == 0);
Debug.Assert(outChannels % tgn_x == 0);
var output = new Tensor(new [] { outHeight, outWidth, outChannels });
var buffer_input = new UnityEngine.ComputeBuffer(input.Data.Length, sizeof(float));
var buffer_filter = new UnityEngine.ComputeBuffer(filter.Data.Length, sizeof(float));
var buffer_bias = new UnityEngine.ComputeBuffer(bias.Data.Length, sizeof(float));
var buffer_output = new UnityEngine.ComputeBuffer(output.Data.Length, sizeof(float));
buffer_input.SetData(input.Data);
buffer_filter.SetData(filter.Data);
buffer_bias.SetData(bias.Data);
compute.SetInts("InputShape", input.Shape);
compute.SetInts("FilterShape", filter.Shape);
compute.SetInts("OutputShape", output.Shape);
compute.SetBuffer(kernel, "Input", buffer_input);
compute.SetBuffer(kernel, "Filter", buffer_filter);
compute.SetBuffer(kernel, "Bias", buffer_bias);
compute.SetBuffer(kernel, "Output", buffer_output);
compute.Dispatch(kernel,
outChannels / (int)tgn_x,
outWidth / (int)tgn_y,
outHeight / (int)tgn_z
);
buffer_output.GetData(output.Data);
buffer_input.Dispose();
buffer_filter.Dispose();
buffer_bias.Dispose();
buffer_output.Dispose();
return(output);
}
public void updateVertices(ComputeBuffer verticesBuff)
{
Vector3[] vertices = mesh.vertices;
verticesBuff.GetData (vertices);
/*for (int i = 0; i < vertices.Length; i++) {
vertices[i].y = -1.0f;
}*/
mesh.vertices = vertices;
mesh.RecalculateNormals ();
// UnityEngine.Debug.Log ("updatedVertices");
}
static public int GetData(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
int argc = LuaDLL.lua_gettop(l);
if (argc == 2)
{
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
self.GetData(a1);
pushValue(l, true);
return(1);
}
else if (argc == 5)
{
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
System.Int32 a3;
checkType(l, 4, out a3);
System.Int32 a4;
checkType(l, 5, out a4);
self.GetData(a1, a2, a3, a4);
pushValue(l, true);
return(1);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function GetData to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
public static List<Vector4> GetClusters(List<Vector4> atoms, int numCentroids)
{
if (ComputeShaderManager.Instance.KMeansCS == null) throw new Exception("KMeans compute shader not assigned");
if (numCentroids <= 0) throw new Exception("Num centroids too low");
var centroids = new List<Vector4>();
var centroidStep = Mathf.CeilToInt(atoms.Count / (float)numCentroids);
for (int i = 0; i < numCentroids; i++)
{
if (i*centroidStep < atoms.Count)
{
centroids.Add(atoms[i * centroidStep]);
}
else
{
centroids.Add(atoms[UnityEngine.Random.Range(0, atoms.Count)]);
}
}
var centroidBuffer = new ComputeBuffer(numCentroids, 4 * sizeof(float));
centroidBuffer.SetData(centroids.ToArray());
var pointBuffer = new ComputeBuffer(atoms.Count, 4 * sizeof(float));
pointBuffer.SetData(atoms.ToArray());
var membershipBuffer = new ComputeBuffer(atoms.Count, sizeof(int));
ComputeShaderManager.Instance.KMeansCS.SetInt("_NumPoints", atoms.Count);
ComputeShaderManager.Instance.KMeansCS.SetInt("_NumCentroids", numCentroids);
for (int i = 0; i < 5; i++)
{
ComputeShaderManager.Instance.KMeansCS.SetBuffer(0, "_PointBuffer", pointBuffer);
ComputeShaderManager.Instance.KMeansCS.SetBuffer(0, "_CentroidBuffer", centroidBuffer);
ComputeShaderManager.Instance.KMeansCS.SetBuffer(0, "_MembershipBuffer", membershipBuffer);
ComputeShaderManager.Instance.KMeansCS.Dispatch(0, Mathf.CeilToInt(atoms.Count / 1), 1, 1);
ComputeShaderManager.Instance.KMeansCS.SetBuffer(1, "_PointBuffer", pointBuffer);
ComputeShaderManager.Instance.KMeansCS.SetBuffer(1, "_NewCentroidBuffer", centroidBuffer);
ComputeShaderManager.Instance.KMeansCS.SetBuffer(1, "_NewMembershipBuffer", membershipBuffer);
ComputeShaderManager.Instance.KMeansCS.Dispatch(1, Mathf.CeilToInt(numCentroids / 64.0f), 1, 1);
}
var newCentroids = new Vector4[numCentroids];
centroidBuffer.GetData(newCentroids);
pointBuffer.Release();
centroidBuffer.Release();
membershipBuffer.Release();
return newCentroids.ToList();
}
// Use this for initialization
void Start () {
ComputeBuffer buffer = new ComputeBuffer(4,sizeof(int));
shader.SetBuffer(0, "buffer1", buffer);
shader.Dispatch(0, 1, 1, 1);
int[] data = new int[4];
buffer.GetData(data);
for(int i = 0; i < 4; i++)
{
buffer.Release();
}
}
static public int GetData(IntPtr l)
{
try{
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
self.GetData(a1);
return(0);
}
catch (Exception e) {
LuaDLL.luaL_error(l, e.ToString());
return(0);
}
}
static public int GetData(IntPtr l)
{
try {
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
self.GetData(a1);
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
public static Tensor InvokeNormalizationKernel(
string name, Tensor input, Tensor scale, Tensor offset
)
{
var compute = Pix2PixResources.Compute;
var kernel = compute.FindKernel(name);
uint tgn_x, tgn_y, tgn_z;
compute.GetKernelThreadGroupSizes(kernel, out tgn_x, out tgn_y, out tgn_z);
var length = input.Data.Length;
var channels = input.Shape[2];
Debug.Assert(channels % tgn_x == 0);
Debug.Assert(channels == scale.Data.Length);
Debug.Assert(channels == offset.Data.Length);
var buffer_input = new UnityEngine.ComputeBuffer(length, sizeof(float));
var buffer_scale = new UnityEngine.ComputeBuffer(channels, sizeof(float));
var buffer_offset = new UnityEngine.ComputeBuffer(channels, sizeof(float));
var buffer_output = new UnityEngine.ComputeBuffer(length, sizeof(float));
buffer_input.SetData(input.Data);
buffer_scale.SetData(scale.Data);
buffer_offset.SetData(offset.Data);
compute.SetInts("InputShape", input.Shape);
compute.SetInts("OutputShape", input.Shape);
compute.SetBuffer(kernel, "Input", buffer_input);
compute.SetBuffer(kernel, "Filter", buffer_scale);
compute.SetBuffer(kernel, "Bias", buffer_offset);
compute.SetBuffer(kernel, "Output", buffer_output);
compute.Dispatch(kernel, channels / (int)tgn_x, 1, 1);
var output = new Tensor(input.Shape);
buffer_output.GetData(output.Data);
buffer_input.Dispose();
buffer_scale.Dispose();
buffer_offset.Dispose();
buffer_output.Dispose();
return(output);
}
public void RunMultiplyShader() {
VecMatPair[] data = new VecMatPair[5];
VecMatPair[] output = new VecMatPair[5];
// Init Data here!!!
for (int i = 0; i < data.Length; i++) {
data[i].point = UnityEngine.Random.onUnitSphere;
data[i].matrix = Matrix4x4.TRS(UnityEngine.Random.onUnitSphere, UnityEngine.Random.rotation, UnityEngine.Random.onUnitSphere);
Debug.Log("PreShader! Pos: " + data[i].point.ToString() + ", Matrix: " + data[i].matrix.ToString());
}
ComputeBuffer buffer = new ComputeBuffer(data.Length, 76);
int kernelHandle = shader.FindKernel("Multiply");
buffer.SetData(data);
shader.SetBuffer(kernelHandle, "dataBuffer", buffer);
shader.Dispatch(kernelHandle, data.Length, 1, 1);
buffer.GetData(output);
for (int i = 0; i < output.Length; i++) {
Debug.Log("PostShader! Pos: " + output[i].point.ToString() + ", Matrix: " + output[i].matrix.ToString());
}
buffer.Dispose();
/*public ComputeShader compute;
public ComputeBuffer buffer;
public int[] cols;
void Start () {
var mesh = GetComponent<MeshFilter>().mesh;
int n = mesh.vertexCount;
///
buffer = new ComputeBuffer (n, 16);
///
cols = new int[n];
///
for (int i = 0; i < n; ++i)
cols[i] = 0;
buffer.SetData (cols);
///
compute.SetBuffer(compute.FindKernel ("CSMain"),"bufColors", buffer);
///
compute.Dispatch(0,4,4,1);
///
buffer.GetData(cols);
Debug.Log (cols[0]);
*/
}
public void Init()
{
_grassShader = Resources.Load<Shader>("Shaders/GrassGeneratorShader");
_grassMaterial = Resources.Load<Material>("GrassGeneratorMat");
_noiseTex = Resources.Load<Texture>("Noise");
if(_noiseTex == null)
{
Debug.LogError("Not found noise");
}
_grassComputeShader = Resources.Load<ComputeShader>("ComputeShaders/GrassComputeShader");
_initGrassKernelId = _grassComputeShader.FindKernel(kInitGrassKernel);
_updateGrassKernelId = _grassComputeShader.FindKernel(kUpdateGrassKernel);
_numGrassItems = _numGroupGrassX*_numGroupGrassY*kThreadsX*kThreadsY;
_grassBuffer = new ComputeBuffer(_numGrassItems, System.Runtime.InteropServices.Marshal.SizeOf(typeof(GrassData)));
_obstaclesBuffer = new ComputeBuffer(kMaxObstacles, System.Runtime.InteropServices.Marshal.SizeOf(typeof(ObstacleData)));
_grassComputeShader.SetFloat("_Width", _numGroupGrassX*kThreadsX);
_grassComputeShader.SetFloat("_Height", _numGroupGrassY*kThreadsY);
_grassComputeShader.SetTexture(_initGrassKernelId, "_NoiseTex", _noiseTex);
_grassMaterial.SetTexture("_NoiseTex", _noiseTex);
_grassMaterial.SetFloat("_Width", _numGroupGrassX*kThreadsX);
_grassMaterial.SetFloat("_Height", _numGroupGrassY*kThreadsY);
_grassComputeShader.SetBuffer(_initGrassKernelId, "_GrassBuffer", _grassBuffer);
_grassComputeShader.SetBuffer(_updateGrassKernelId, "_GrassBuffer", _grassBuffer);
_grassComputeShader.SetBuffer(_updateGrassKernelId, "_ObstaclesBuffer", _obstaclesBuffer);
_grassComputeShader.SetInt("_NumObstacles", 0);
_grassMaterial.SetBuffer("_GrassBuffer", _grassBuffer);
_grassComputeShader.Dispatch(_initGrassKernelId, _numGroupGrassX, _numGroupGrassY, 1);
#if GRASS_CPU
_grassDataTestCPU = new GrassData[_numGrassItems];
_grassBuffer.GetData(_grassDataTestCPU);
#endif
_isInit = true;
}
static public int GetData(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
if (argc == 2)
{
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
self.GetData(a1);
pushValue(l, true);
return(1);
}
else if (argc == 5)
{
UnityEngine.ComputeBuffer self = (UnityEngine.ComputeBuffer)checkSelf(l);
System.Array a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
System.Int32 a3;
checkType(l, 4, out a3);
System.Int32 a4;
checkType(l, 5, out a4);
self.GetData(a1, a2, a3, a4);
pushValue(l, true);
return(1);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
/// <summary>
/// Uses the GPU to process an array of 4D coordinates for noise and return an array with the noise at the specified coordinates.
/// </summary>
/// <returns>Float array</returns>
/// <param name="positions"> Array of coordinates to process. </param>
/// <param name="noiseScale"> Value to scale the noise coordinates by. </param>
/// <param name="normalize"> Whether or not to remap the noise from (-1, 1) to (0, 1). </param>
public static float[] NoiseArrayGPU(UnityEngine.Vector4[] positions, float noiseScale = 0.01f, bool normalize = true)
{
UnityEngine.ComputeShader shader = UnityEngine.Resources.Load(shaderPath) as UnityEngine.ComputeShader;
if (shader == null)
{
UnityEngine.Debug.LogError(noShaderMsg);
return(null);
}
int kernel = shader.FindKernel("ComputeNoiseArray");
SetShaderVars(shader, UnityEngine.Vector2.zero, normalize, noiseScale);
shader.SetInt("dimension", 4);
UnityEngine.ComputeBuffer permBuffer = new UnityEngine.ComputeBuffer(perm.Length, 4);
permBuffer.SetData(perm);
shader.SetBuffer(kernel, "perm", permBuffer);
UnityEngine.ComputeBuffer posBuffer = new UnityEngine.ComputeBuffer(positions.Length, 16);
posBuffer.SetData(positions);
shader.SetBuffer(kernel, "float4Array", posBuffer);
UnityEngine.ComputeBuffer outputBuffer = new UnityEngine.ComputeBuffer(positions.Length, 4);
shader.SetBuffer(kernel, "outputArray", outputBuffer);
shader.Dispatch(kernel, positions.Length / 14, 1, 1);
float[] outputData = new float[positions.Length];
outputBuffer.GetData(outputData);
permBuffer.Release();
posBuffer.Release();
outputBuffer.Release();
return(outputData);
}
public IEnumerator CaptureScreenshotAsyncHelper(string filenameBase, bool async)
{
if (async)
while (Capturing)
yield return null; // If CaptureScreenshot() was called programmatically multiple times, serialize the coroutines
Capturing = true;
if (!OnCaptureStart())
{
audioSource.PlayOneShot(failSound);
Capturing = false;
yield break;
}
// Have to refresh cameras each frame during video in case cameras or image effects change - consider an option for this.
Camera[] cameras = GetCaptureCameras();
Array.Sort(cameras, (x, y) => x.depth.CompareTo(y.depth));
if (cameras.Length == 0)
{
Debug.LogWarning("No cameras found to capture");
audioSource.PlayOneShot(failSound);
Capturing = false;
yield break;
}
// Need to do this first in case we need to reinitialize
if (antiAliasing != AntiAliasing._1)
{
foreach (Camera c in cameras)
{
if (c.actualRenderingPath == RenderingPath.DeferredLighting ||
c.actualRenderingPath == RenderingPath.DeferredShading)
{
Debug.LogWarning("CapturePanorama: Setting Anti Aliasing=1 because at least one camera in deferred mode. Use SSAA setting or Antialiasing image effect if needed.");
antiAliasing = AntiAliasing._1;
Reinitialize();
break;
}
}
}
Log("Starting panorama capture");
if (!captureEveryFrame && startSound != null && Camera.main != null)
{
audioSource.PlayOneShot(startSound);
}
List<ScreenFadeControl> fadeControls = new List<ScreenFadeControl>();
foreach (Camera c in Camera.allCameras)
{
if (c.isActiveAndEnabled && c.targetTexture == null) // Is a camera visible to the player
{
var fadeControl = c.gameObject.AddComponent<ScreenFadeControl>();
fadeControl.fadeMaterial = fadeMaterial;
fadeControls.Add(fadeControl);
}
}
SetFadersEnabled(fadeControls, false);
if (fadeDuringCapture && async)
yield return StartCoroutine(FadeOut(fadeControls));
// Make sure black is shown before we start - sometimes two frames are needed
for (int i = 0; i < 2; i++)
yield return new WaitForEndOfFrame();
// Initialize compute buffers - do here instead of in Reinitialize() to work around error on Destroy()
ComputeBuffer convertPanoramaResultBuffer = null;
ComputeBuffer forceWaitResultConvertPanoramaStereoBuffer = null;
if (usingGpuTransform)
{
if (captureStereoscopic)
{
convertPanoramaResultBuffer =
new ComputeBuffer(/*count*/panoramaWidth * panoramaHeight * 2 + 1, /*stride*/4); // + 1 for sentinel
convertPanoramaStereoShader.SetBuffer(renderStereoIdx, "result", convertPanoramaResultBuffer);
forceWaitResultConvertPanoramaStereoBuffer = new ComputeBuffer(/*count*/1, /*stride*/4);
convertPanoramaStereoShader.SetBuffer(renderStereoIdx, "forceWaitResultBuffer", forceWaitResultConvertPanoramaStereoBuffer);
}
else
{
int sliceHeight = (panoramaHeight + ResultBufferSlices - 1) / ResultBufferSlices;
convertPanoramaResultBuffer =
new ComputeBuffer(/*count*/panoramaWidth * sliceHeight + 1, /*stride*/4); // + 1 for sentinel
foreach (int kernelIdx in convertPanoramaKernelIdxs)
convertPanoramaShader.SetBuffer(kernelIdx, "result", convertPanoramaResultBuffer);
}
}
int cameraPixelsBufferNumTextures = numCameras;
overlapTextures = 0;
int circlePointCircularBufferSize = 0;
if (captureStereoscopic && usingGpuTransform)
{
overlapTextures = ssaaFactor == 1 ? 1 : 2; // Overlap of 1 supports blending between circle points, overlap of 2 supports it even with SSAA at boundaries
circlePointCircularBufferSize = 1 + overlapTextures;
// 2 + for top/bottom, and divide by 2 because we're doing left/right and up/down separately
cameraPixelsBufferNumTextures = Math.Min(numCameras, 2 + (CamerasPerCirclePoint / 2) * circlePointCircularBufferSize);
}
ComputeBuffer cameraPixelsBuffer = new ComputeBuffer(/*count*/cameraPixelsBufferNumTextures * cameraWidth * cameraHeight + 1, /*stride*/4);
textureToBufferShader.SetBuffer(textureToBufferIdx, "result", cameraPixelsBuffer);
// Set up sentinels to detect out of graphics memory
textureToBufferShader.SetInt("sentinelIdx", cameraPixelsBuffer.count - 1);
if (usingGpuTransform && !captureStereoscopic)
{
convertPanoramaShader.SetInt("cameraPixelsSentinelIdx", cameraPixelsBuffer.count - 1);
convertPanoramaShader.SetInt("sentinelIdx", convertPanoramaResultBuffer.count - 1);
foreach (int kernelIdx in convertPanoramaKernelIdxs)
convertPanoramaShader.SetBuffer(kernelIdx, "cameraPixels", cameraPixelsBuffer);
}
if (usingGpuTransform && captureStereoscopic)
{
convertPanoramaStereoShader.SetInt("cameraPixelsSentinelIdx", cameraPixelsBuffer.count - 1);
convertPanoramaStereoShader.SetBuffer(renderStereoIdx, "cameraPixels", cameraPixelsBuffer);
}
ComputeBuffer forceWaitResultTextureToBufferBuffer = new ComputeBuffer(/*count*/1, /*stride*/4);
textureToBufferShader.SetBuffer(textureToBufferIdx, "forceWaitResultBuffer", forceWaitResultTextureToBufferBuffer);
float startTime = Time.realtimeSinceStartup;
Quaternion headOrientation = Quaternion.identity;
#if OVR_SUPPORT
if (OVRManager.display != null)
{
headOrientation = OVRManager.display.GetHeadPose(0.0).orientation;
}
#endif
#if UNITY_5_1
if (VRSettings.enabled && VRSettings.loadedDevice != VRDeviceType.None)
{
headOrientation = InputTracking.GetLocalRotation(0);
}
#endif
Log("Rendering camera views");
foreach (Camera c in cameras)
Log("Camera name: " + c.gameObject.name);
var methodMap = new Dictionary<Camera, List<ImageEffectCopyCamera.InstanceMethodPair>>();
foreach (Camera c in cameras)
methodMap[c] = ImageEffectCopyCamera.GenerateMethodList(c);
// Need to extract each cubemap into a Texture2D so we can read the pixels, but Unity bug
// prevents this with antiAliasing: http://issuetracker.unity3d.com/issues/texture2d-dot-readpixels-fails-if-rendertexture-has-anti-aliasing-set
// We copy the cubemap textures using a shader as a workaround.
string suffix = "." + FormatToExtension(imageFormat);
string filePath = "";
// Save in separate thread to avoid hiccups
string imagePath = saveImagePath;
if (imagePath == null || imagePath == "")
{
imagePath = Application.dataPath + "/..";
}
convertPanoramaStereoShader.SetInt("circlePointCircularBufferSize", circlePointCircularBufferSize);
int nextCirclePointCircularBufferStart = 0, nextCirclePointStart = 0, writeIdx = 0;
int ilimit = usingGpuTransform ? numCameras + overlapTextures * CamerasPerCirclePoint : numCameras;
int leftRightPhaseEnd = (ilimit - 2) / 2 + 2;
int circlePointsRendered = 0;
int saveCubemapImageNum = 0;
Log("Changing quality level");
int saveQualityLevel = QualitySettings.GetQualityLevel();
bool qualitySettingWasChanged = false;
string[] qualitySettingNames = QualitySettings.names;
if (qualitySetting != qualitySettingNames[saveQualityLevel]) // Don't change if already set to it
{
for (int i = 0; i < qualitySettingNames.Length; i++)
{
string name = qualitySettingNames[i];
if (name == qualitySetting)
{
QualitySettings.SetQualityLevel(i, /*applyExpensiveChanges*/false); // applyExpensiveChanges causes trouble
qualitySettingWasChanged = true;
}
}
if (qualitySetting != "" && !qualitySettingWasChanged)
{
Debug.LogError("Quality setting specified for CapturePanorama is invalid, ignoring.", this);
}
}
BeforeRenderPanorama();
RenderTexture.active = null;
for (int i = 0; i < ilimit; i++)
{
// Don't use RenderToCubemap - it causes problems with compositing multiple cameras, and requires
// more temporary VRAM. Just render cube map manually.
if (captureStereoscopic)
{
if (i < 2)
{
// 0, 1 are top/bottom caps
camGos[1].transform.localPosition = Vector3.zero;
camGos[1].transform.localRotation = Quaternion.Euler((i == 0) ? 90.0f : -90.0f, 0.0f, 0.0f);
}
else
{
// Do all left/right textures first then all up/down textures
int iAdjusted, numInGroupBias;
if (i < leftRightPhaseEnd)
{
iAdjusted = i - 2;
numInGroupBias = 0;
}
else
{
iAdjusted = i - leftRightPhaseEnd;
numInGroupBias = 2;
}
int circlePointNum = (iAdjusted / (CamerasPerCirclePoint / 2)) % numCirclePoints;
int numInGroup = iAdjusted % (CamerasPerCirclePoint / 2) + numInGroupBias;
float circleAngle = 360.0f * circlePointNum / numCirclePoints;
camGos[1].transform.localPosition = Quaternion.Euler(0.0f, circleAngle, 0.0f) * Vector3.forward * circleRadius;
if (numInGroup < 2)
camGos[1].transform.localRotation = Quaternion.Euler(0.0f, circleAngle + (numInGroup == 0 ? -hFovAdjustDegrees : hFovAdjustDegrees), 0.0f);
else
camGos[1].transform.localRotation = Quaternion.Euler((numInGroup == 2 ? -vFovAdjustDegrees : vFovAdjustDegrees), circleAngle, 0.0f);
if (numInGroup == 1 || numInGroup == 3) circlePointsRendered++;
}
}
else
{
switch ((CubemapFace)i)
{
case CubemapFace.PositiveX: camGos[1].transform.localRotation = Quaternion.Euler( 0.0f, 90.0f, 0.0f); break;
case CubemapFace.NegativeX: camGos[1].transform.localRotation = Quaternion.Euler( 0.0f, -90.0f, 0.0f); break;
case CubemapFace.PositiveY: camGos[1].transform.localRotation = Quaternion.Euler( 90.0f, 0.0f, 0.0f); break;
case CubemapFace.NegativeY: camGos[1].transform.localRotation = Quaternion.Euler(-90.0f, 0.0f, 0.0f); break;
case CubemapFace.PositiveZ: camGos[1].transform.localRotation = Quaternion.Euler( 0.0f, 0.0f, 0.0f); break;
case CubemapFace.NegativeZ: camGos[1].transform.localRotation = Quaternion.Euler( 0.0f, 180.0f, 0.0f); break;
}
}
foreach (Camera c in cameras)
{
// To get the camera in the right eye position, migrate the camera transform to camGos[0]
camGos[2].transform.parent = null;
cam.CopyFrom(c);
// TODO: Determine if we should reset matrices of the camera in case it's using custom transform matrices
camGos[0].transform.localPosition = cam.transform.localPosition;
camGos[0].transform.localRotation = cam.transform.localRotation;
camGos[2].transform.parent = camGos[1].transform;
cam.transform.localPosition = Vector3.zero;
cam.transform.localRotation = Quaternion.identity;
copyCameraScript.enabled = methodMap[c].Count > 0;
copyCameraScript.onRenderImageMethods = methodMap[c];
cam.fieldOfView = vFov; // hFov inferred from aspect ratio of target
// Question: Should we adjust near clip in stereoscopic mode based on circleRadius?
// (avoids clipping that doesn't occur in normal camera view but might lead to unexpected bad effects)
camGos[0].transform.rotation *= Quaternion.Inverse(headOrientation);
if (useDefaultOrientation)
camGos[0].transform.rotation = Quaternion.identity;
cam.targetTexture = cubemapRenderTexture;
// Aspect ratio must be determined by size of render target. This is critical when Unity native VR is enabled.
cam.ResetAspect();
// Temporarily set original camera to same position/rotation/field of view as
// rendering camera during render. If any image effects examine camera
// orientation/FOV this will ensure they behave correctly.
Vector3 savePosition = c.transform.position;
Quaternion saveRotation = c.transform.rotation;
float saveFieldOfView = c.fieldOfView;
RenderTexture saveRenderTexture = c.targetTexture;
c.transform.position = cam.transform.position;
c.transform.rotation = cam.transform.rotation;
c.fieldOfView = cam.fieldOfView;
cam.Render();
c.transform.position = savePosition;
c.transform.rotation = saveRotation;
c.fieldOfView = saveFieldOfView;
c.targetTexture = saveRenderTexture;
}
// Read one pixel from texture to force render to complete before continuing
RenderTexture.active = cubemapRenderTexture;
forceWaitTexture.ReadPixels(new Rect(cameraWidth - 1, cameraHeight - 1, 1, 1), 0, 0);
int forceWaitValue = 1000000 + i;
textureToBufferShader.SetInt("forceWaitValue", forceWaitValue);
textureToBufferShader.SetTexture(textureToBufferIdx, "source", cubemapRenderTexture);
textureToBufferShader.SetInt("startIdx", writeIdx * cameraWidth * cameraHeight);
textureToBufferShader.Dispatch(textureToBufferIdx, (cameraWidth + threadsX - 1) / threadsX, (cameraHeight + threadsY - 1) / threadsY, 1);
uint[] forceWaitResult = new uint[1];
forceWaitResultTextureToBufferBuffer.GetData(forceWaitResult);
if (forceWaitResult[0] != forceWaitValue)
Debug.LogError("TextureToBufferShader: Unexpected forceWaitResult value " + forceWaitResult[0] + ", should be " + forceWaitValue);
if (saveCubemap &&
((i < 2) ||
(i >= 2 && i < 2 + numCirclePoints * 2) ||
(i >= leftRightPhaseEnd && i < leftRightPhaseEnd + numCirclePoints * 2)))
{
// This is really slow - retrieving all cameraPixels data for just a portion of it. But this is mainly useful for debugging anyway.
cameraPixelsBuffer.GetData(cameraPixels);
if (cameraPixels[cameraPixelsBuffer.count - 1] != BufferSentinelValue)
ReportOutOfGraphicsMemory();
SaveCubemapImage(cameraPixels, filenameBase, suffix, imagePath, saveCubemapImageNum, writeIdx);
saveCubemapImageNum++;
}
writeIdx++;
if (writeIdx >= cameraPixelsBufferNumTextures) writeIdx = 2; // Leave top/bottom in indexes 0/1
// For stereoscopic GPU transform, interleave capture and rendering to decrease VRAM consumption
if (captureStereoscopic && usingGpuTransform &&
((i - 2) + 1) % (CamerasPerCirclePoint / 2) == 0 &&
(circlePointsRendered - nextCirclePointStart >= circlePointCircularBufferSize || i + 1 == 2 + (ilimit - 2) / 2 || i + 1 == ilimit))
{
forceWaitValue = 2000000 + i;
convertPanoramaStereoShader.SetInt("forceWaitValue", forceWaitValue);
convertPanoramaStereoShader.SetInt("leftRightPass", i < leftRightPhaseEnd ? 1 : 0);
convertPanoramaStereoShader.SetInt("circlePointStart", nextCirclePointStart);
convertPanoramaStereoShader.SetInt("circlePointEnd", cameraPixelsBufferNumTextures < numCameras ? circlePointsRendered : circlePointsRendered + 1);
convertPanoramaStereoShader.SetInt("circlePointCircularBufferStart", nextCirclePointCircularBufferStart);
convertPanoramaStereoShader.Dispatch(renderStereoIdx, (panoramaWidth + threadsX - 1) / threadsX, (panoramaHeight + threadsY - 1) / threadsY, 2);
forceWaitResultConvertPanoramaStereoBuffer.GetData(forceWaitResult);
if (forceWaitResult[0] != forceWaitValue)
Debug.LogError("ConvertPanoramaStereoShader: Unexpected forceWaitResult value " + forceWaitResult[0] + ", should be " + forceWaitValue);
if (i + 1 == leftRightPhaseEnd)
{
nextCirclePointCircularBufferStart = (nextCirclePointCircularBufferStart + circlePointCircularBufferSize) % circlePointCircularBufferSize;
nextCirclePointStart = 0;
circlePointsRendered = 0;
}
else
{
nextCirclePointStart = circlePointsRendered - overlapTextures;
nextCirclePointCircularBufferStart = (nextCirclePointCircularBufferStart + circlePointCircularBufferSize - overlapTextures) % circlePointCircularBufferSize;
}
}
RenderTexture.active = null;
}
AfterRenderPanorama();
Log("Resetting quality level");
if (qualitySettingWasChanged)
QualitySettings.SetQualityLevel(saveQualityLevel, /*applyExpensiveChanges*/false);
// If we need to access the cubemap pixels on the CPU, retrieve them now
if (saveCubemap || !usingGpuTransform)
{
cameraPixelsBuffer.GetData(cameraPixels);
if (cameraPixels[cameraPixelsBuffer.count - 1] != BufferSentinelValue)
ReportOutOfGraphicsMemory();
}
RenderTexture.active = null;
if (saveCubemap &&
!(captureStereoscopic && usingGpuTransform)) // In this mode images are saved during capture
{
// Save cubemap while still faded, as fast as possible - should be pretty quick
for (int i = 0; i < numCameras; i++)
{
int bufferIdx = i;
SaveCubemapImage(cameraPixels, filenameBase, suffix, imagePath, i, bufferIdx);
}
}
// If this is not here, the fade-in will drop frames.
for (int i = 0; i < 2; i++)
yield return new WaitForEndOfFrame();
if (async && !usingGpuTransform && fadeDuringCapture)
yield return StartCoroutine(FadeIn(fadeControls));
filePath = imagePath + "/" + filenameBase + suffix;
bool producedImageSuccess = false;
{
// Write pixels directly to .NET Bitmap for saving out
// Based on https://msdn.microsoft.com/en-us/library/5ey6h79d%28v=vs.110%29.aspx
Bitmap bitmap = new Bitmap(panoramaWidth, panoramaHeight * (captureStereoscopic ? 2 : 1), PixelFormat.Format32bppArgb);
var bmpData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.WriteOnly, bitmap.PixelFormat);
IntPtr ptr = bmpData.Scan0;
byte[] pixelValues = new byte[Math.Abs(bmpData.Stride) * bitmap.Height];
// Convert to equirectangular projection - use compute shader for better performance if supported by platform
if (async)
yield return StartCoroutine(CubemapToEquirectangular(cameraPixelsBuffer, cameraPixels, convertPanoramaResultBuffer, cameraWidth, cameraHeight, pixelValues, bmpData.Stride, panoramaWidth, panoramaHeight, ssaaFactor, async));
else
{
var enumerator = CubemapToEquirectangular(cameraPixelsBuffer, cameraPixels, convertPanoramaResultBuffer, cameraWidth, cameraHeight, pixelValues, bmpData.Stride, panoramaWidth, panoramaHeight, ssaaFactor, async);
while (enumerator.MoveNext()) { }
}
producedImageSuccess = (pixelValues[3] == 255);
yield return null;
System.Runtime.InteropServices.Marshal.Copy(pixelValues, 0, ptr, pixelValues.Length);
bitmap.UnlockBits(bmpData);
yield return null;
Log("Time to take panorama screenshot: " + (Time.realtimeSinceStartup - startTime) + " sec");
if (producedImageSuccess)
{
var thread = new Thread(() =>
{
Log("Saving equirectangular image");
// TODO: Use better image processing library to get decent JPEG quality out.
bitmap.Save(filePath, FormatToDrawingFormat(imageFormat));
});
thread.Start();
while (thread.ThreadState == ThreadState.Running)
if (async)
yield return null;
else
Thread.Sleep(0);
}
bitmap.Dispose();
}
// Release ComputeBuffers - all done with these
foreach (var buffer in new ComputeBuffer[] {
convertPanoramaResultBuffer,
cameraPixelsBuffer,
forceWaitResultConvertPanoramaStereoBuffer,
forceWaitResultTextureToBufferBuffer })
if (buffer != null)
buffer.Release();
convertPanoramaResultBuffer = cameraPixelsBuffer = null;
if (async && usingGpuTransform && fadeDuringCapture)
yield return StartCoroutine(FadeIn(fadeControls));
foreach (ScreenFadeControl fadeControl in fadeControls)
{
Destroy(fadeControl);
}
fadeControls.Clear();
if (producedImageSuccess && uploadImages && !captureEveryFrame)
{
Log("Uploading image");
imageFileBytes = File.ReadAllBytes(filePath);
string mimeType = FormatMimeType(imageFormat);
if (async)
yield return StartCoroutine(UploadImage(imageFileBytes, filenameBase + suffix, mimeType, async));
else
{
var enumerator = UploadImage(imageFileBytes, filenameBase + suffix, mimeType, async);
while (enumerator.MoveNext()) { }
}
}
else
{
if (!producedImageSuccess)
{
if (failSound != null && Camera.main != null)
audioSource.PlayOneShot(failSound);
}
else if (!captureEveryFrame && doneSound != null && Camera.main != null)
{
audioSource.PlayOneShot(doneSound);
}
Capturing = false;
}
}
IEnumerator CubemapToEquirectangular(ComputeBuffer cameraPixelsBuffer, uint[] cameraPixels, ComputeBuffer convertPanoramaResultBuffer, int cameraWidth, int cameraHeight, byte[] pixelValues,
int stride, int panoramaWidth, int panoramaHeight, int ssaaFactor, bool async)
{
if (captureStereoscopic && usingGpuTransform)
{
// Was already done earlier, just grab the result
convertPanoramaResultBuffer.GetData(resultPixels);
if (resultPixels[convertPanoramaResultBuffer.count - 1] != BufferSentinelValue)
ReportOutOfGraphicsMemory();
writeOutputPixels(pixelValues, stride, panoramaWidth, panoramaHeight * 2, panoramaHeight * 2, /*yStart*/0);
}
else if (captureStereoscopic && !usingGpuTransform)
{
// TODO: Factor out into separate method
float startTime = Time.realtimeSinceStartup;
float processingTimePerFrame = cpuMillisecondsPerFrame / 1000.0f;
for (int y = 0; y < panoramaHeight; y++)
for (int x = 0; x < panoramaWidth; x++)
{
float xcoord = (float)x / panoramaWidth;
float ycoord = (float)y / panoramaHeight;
float latitude = (ycoord - 0.5f) * Mathf.PI;
float sinLat = Mathf.Sin(latitude);
float cosLat = Mathf.Cos(latitude);
float longitude = (xcoord * 2.0f - 1.0f) * Mathf.PI;
float sinLong = Mathf.Sin(longitude);
float cosLong = Mathf.Cos(longitude);
// Scale IPD down as latitude moves toward poles to avoid discontinuities
float latitudeNormalized = latitude / (Mathf.PI / 2.0f); // Map to [-1, 1]
float ipdScale = IpdScaleFunction(latitudeNormalized);
float scaledEyeRadius = ipdScale * interpupillaryDistance / 2.0f;
int cameraNum;
float u, v;
float ipdScaleLerp = 1.0f - ipdScale * 5.0f; // Scale [0, 0.2] to [0, 1] and reverse
// Top/bottom cap
Color colorCap = new Color(0.0f, 0.0f, 0.0f, 0.0f);
if (ipdScaleLerp > 0.0f)
{
Vector3 equirectRayDirection = new Vector3(cosLat * sinLong, sinLat, cosLat * cosLong);
float distance = 1.0f / equirectRayDirection.y;
u = equirectRayDirection.x * distance; v = equirectRayDirection.z * distance;
if (u * u <= 1 && v * v <= 1)
{
if (equirectRayDirection.y > 0.0f)
{
cameraNum = 0;
}
else
{
u = -u;
cameraNum = 1;
}
u = (u + 1.0f) * 0.5f;
v = (v + 1.0f) * 0.5f;
colorCap = GetCameraPixelBilinear(cameraPixels, cameraNum, u, v);
}
}
for (int i = 0; i < 2; i++)
{
// The following is equivalent to:
// Quaternion eyesRotation = Quaternion.Euler(0.0f, longitude * 360.0f / (2 * Mathf.PI), 0.0f);
// Vector3 initialEyePosition = (i == 0 ? Vector3.left : Vector3.right) * scaledEyeRadius;
// Vector3 pos = eyesRotation * initialEyePosition; // eye position
// Vector3 dir = eyesRotation * Vector3.forward; // gaze direction
Vector3 dir = new Vector3(sinLong, 0.0f, cosLong);
float angle = (Mathf.PI / 2.0f - Mathf.Acos(scaledEyeRadius / circleRadius));
if (i == 0) angle = -angle;
float circlePointAngle = longitude + angle;
if (circlePointAngle < 0.0f) circlePointAngle += 2 * Mathf.PI;
if (circlePointAngle >= 2 * Mathf.PI) circlePointAngle -= 2 * Mathf.PI;
// Debug.Assert(circlePointAngle >= 0.0f && circlePointAngle < 2 * Mathf.PI);
float circlePointNumber = circlePointAngle / (2 * Mathf.PI) * numCirclePoints;
int circlePoint0 = (int)Mathf.Floor(circlePointNumber) % numCirclePoints;
// Get color from each adjacent circle point
Color color0 = new Color(), color1 = new Color();
for (int j=0; j < 2; j++)
{
int circlePointIdx = (j == 0 ? circlePoint0 : (circlePoint0 + 1) % numCirclePoints);
float cameraPointAngle = 2 * Mathf.PI * circlePointIdx / numCirclePoints;
float sinCameraPointAngle = Mathf.Sin(cameraPointAngle);
float cosCameraPointAngle = Mathf.Cos(cameraPointAngle);
// Equivalent to (using fact that both dir and circlePointNorm are unit vectors):
// Quaternion circlePointRotation = Quaternion.Euler(0.0f, cameraPointAngle * 360.0f / (2 * Mathf.PI), 0.0f);
// Vector3 circlePointNormal = circlePointRotation * Vector3.forward;
// float newLongitude = Mathf.Sign(Vector3.Cross(circlePointNormal, dir).y) * Vector3.Angle(circlePointNormal, dir) * (2 * Mathf.PI) / 360.0f;
float newLongitude = Mathf.Sign(dir.x * cosCameraPointAngle - dir.z * sinCameraPointAngle) *
Mathf.Acos(dir.z * cosCameraPointAngle + dir.x * sinCameraPointAngle);
float cosNewLong = Mathf.Cos(newLongitude);
float sinNewLong = Mathf.Sin(newLongitude);
// Select which of the two cameras for this point to use and adjust ray to make camera plane perpendicular to axes
cameraNum = 2 + circlePointIdx * (CamerasPerCirclePoint / 2) + (newLongitude >= 0.0f ? 1 : 0);
float longitudeAdjust = (newLongitude >= 0.0f ? -hFovAdjust : hFovAdjust);
float longSum = newLongitude + longitudeAdjust;
// Equivalent to:
// Vector3 textureRayDir = Quaternion.Euler(-latitude * 360.0f / (2 * Mathf.PI), newLongitude * 360.0f / (2 * Mathf.PI), 0.0f) * Vector3.forward;
// Vector3 textureRayDirAdjusted = Quaternion.Euler(0.0f, longitudeAdjust * 360.0f / (2 * Mathf.PI), 0.0f) * textureRayDir;
Vector3 textureRayDirAdjusted = new Vector3(cosLat * Mathf.Sin(longSum), sinLat, cosLat * Mathf.Cos(longSum));
u = textureRayDirAdjusted.x / textureRayDirAdjusted.z / tanHalfHFov;
v = -textureRayDirAdjusted.y / textureRayDirAdjusted.z / tanHalfVFov;
// There's a lot of vertical overlap so don't accept v near the edge of the left/right cameras, to avoid artifact pixels
if (! (textureRayDirAdjusted.z > 0.0f && u * u <= 1.0f && v * v <= 1.0f - 0.1f) )
{
cameraNum = 2 + numCirclePoints * (CamerasPerCirclePoint / 2) + circlePointIdx * (CamerasPerCirclePoint / 2) + (latitude >= 0.0f ? 1 : 0);
float latitudeAdjust = (latitude >= 0.0f ? vFovAdjust : -vFovAdjust);
float cosLatAdjust = Mathf.Cos(latitudeAdjust);
float sinLatAdjust = Mathf.Sin(latitudeAdjust);
// Equivalent to:
// textureRayDirAdjusted = Quaternion.Euler(latitudeAdjust * 360.0f / (2 * Mathf.PI), 0.0f, 0.0f) * textureRayDir;
textureRayDirAdjusted = new Vector3(cosLat * sinNewLong,
cosLatAdjust * sinLat - cosLat * cosNewLong * sinLatAdjust,
sinLatAdjust * sinLat + cosLat * cosNewLong * cosLatAdjust);
u = textureRayDirAdjusted.x / textureRayDirAdjusted.z / tanHalfHFov;
v = -textureRayDirAdjusted.y / textureRayDirAdjusted.z / tanHalfVFov;
// Debug.Assert(ipdScaleLerp >= 1.0 || (textureRayDirAdjusted.z > 0.0f && u * u <= 1.0f && v * v <= 1.0f));
}
u = (u + 1.0f) * 0.5f;
v = (v + 1.0f) * 0.5f;
Color col = GetCameraPixelBilinear(cameraPixels, cameraNum, u, v);
if (j == 0) color0 = col; else color1 = col;
}
Color32 c = Color.Lerp(color0, color1, circlePointNumber - Mathf.Floor(circlePointNumber));
if (colorCap.a > 0.0f && ipdScaleLerp > 0.0f)
c = Color.Lerp(c, colorCap, ipdScaleLerp);
int outputIdx = stride * (y + panoramaHeight * i) + x * 4;
pixelValues[outputIdx + 0] = c.b;
pixelValues[outputIdx + 1] = c.g;
pixelValues[outputIdx + 2] = c.r;
pixelValues[outputIdx + 3] = 255;
}
if ((x & 0xFF) == 0 && Time.realtimeSinceStartup - startTime > processingTimePerFrame)
{
yield return null; // Wait until next frame
startTime = Time.realtimeSinceStartup;
}
}
}
else if (!captureStereoscopic && usingGpuTransform)
{
int sliceHeight = (panoramaHeight + ResultBufferSlices - 1) / ResultBufferSlices;
Log("Invoking GPU shader for equirectangular reprojection");
int endYNegative = (int)Mathf.Floor(panoramaHeight * 0.25f);
int startYPositive = (int)Mathf.Ceil(panoramaHeight * 0.75f);
for (int sliceNum = 0; sliceNum < ResultBufferSlices; sliceNum++)
{
int startSlice = sliceNum * sliceHeight;
int endSlice = Math.Min(startSlice + sliceHeight, panoramaHeight);
convertPanoramaShader.SetInt("startY", sliceNum * sliceHeight);
convertPanoramaShader.SetInt("sliceHeight", endSlice - startSlice);
if (endSlice <= endYNegative)
convertPanoramaShader.Dispatch(convertPanoramaYNegativeKernelIdx, (panoramaWidth + threadsX - 1) / threadsX, (sliceHeight + threadsY - 1) / threadsY, 1);
else if (startSlice >= startYPositive)
convertPanoramaShader.Dispatch(convertPanoramaYPositiveKernelIdx, (panoramaWidth + threadsX - 1) / threadsX, (sliceHeight + threadsY - 1) / threadsY, 1);
else
convertPanoramaShader.Dispatch(convertPanoramaKernelIdx, (panoramaWidth + threadsX - 1) / threadsX, (panoramaHeight + threadsY - 1) / threadsY, 1);
convertPanoramaResultBuffer.GetData(resultPixels);
if (resultPixels[convertPanoramaResultBuffer.count - 1] != BufferSentinelValue)
ReportOutOfGraphicsMemory();
writeOutputPixels(pixelValues, stride, panoramaWidth, sliceHeight, panoramaHeight, startSlice);
}
}
else // if (!captureStereoscopic && !usingGpuTransform)
{
if (async)
yield return StartCoroutine(CubemapToEquirectangularCpu(cameraPixels, cameraWidth, cameraHeight, pixelValues,
stride, panoramaWidth, panoramaHeight, ssaaFactor, async));
else
{
var enumerator = CubemapToEquirectangularCpu(cameraPixels, cameraWidth, cameraHeight, pixelValues,
stride, panoramaWidth, panoramaHeight, ssaaFactor, async);
while (enumerator.MoveNext()) { }
}
}
}
public void BuildMesh() {
float startTime = Time.realtimeSinceStartup;
// NOISE VOLUME!
RenderTexture DensityVolume = new RenderTexture(16, 16, 0, RenderTextureFormat.RFloat, RenderTextureReadWrite.sRGB);
DensityVolume.volumeDepth = 16;
DensityVolume.isVolume = true;
DensityVolume.enableRandomWrite = true;
DensityVolume.filterMode = FilterMode.Bilinear;
DensityVolume.wrapMode = TextureWrapMode.Repeat;
DensityVolume.Create();
int mgen_id = CShaderSimplex.FindKernel("FillEmpty");
// uses renderTexture rather than StructuredBuffer?
CShaderSimplex.SetTexture(mgen_id, "Result", DensityVolume); // Links RenderTexture to the "Result" RWTexture in the compute shader?
CShaderSimplex.Dispatch(mgen_id, 1, 1, 16); // run computeShader "FillEmpty" with 1 x 1 x 31 threadGroups?
mgen_id = CShaderSimplex.FindKernel("Simplex3d");
CShaderSimplex.SetTexture(mgen_id, "Result", DensityVolume);
CShaderSimplex.Dispatch(mgen_id, 1, 1, 16); // Fill shared RenderTexture with GPU simplex Noise
ComputeBuffer cBufferSegmentTransform = new ComputeBuffer(critterSegmentTransforms.Length, sizeof(float) * (3 + 3 + 4));
cBufferSegmentTransform.SetData(critterSegmentTransforms);
int kernelID = CShaderBuildMC.FindKernel("CSMain");
CShaderBuildMC.SetBuffer(kernelID, "segmentTransformBuffer", cBufferSegmentTransform);
CShaderBuildMC.SetTexture(kernelID, "noise_volume", DensityVolume); // Noise 3D texture
//Debug.Log(DensityVolume.colorBuffer.ToString());
// Figure out how many chunks are needed:
int numChunksX = Mathf.CeilToInt(GlobalBoundingBoxDimensions.x / (cellResolution * 8f));
int numChunksY = Mathf.CeilToInt(GlobalBoundingBoxDimensions.y / (cellResolution * 8f));
int numChunksZ = Mathf.CeilToInt(GlobalBoundingBoxDimensions.z / (cellResolution * 8f));
//Debug.Log("numChunks: (" + numChunksX.ToString() + ", " + numChunksY.ToString() + ", " + numChunksZ.ToString() + ")");
int totalNumChunks = numChunksX * numChunksY * numChunksZ;
Poly[][] PolyArrayArray = new Poly[totalNumChunks][]; // This will hold the mesh data from the chunks calculated on the GPU
int[] numPolysArray = new int[totalNumChunks];
int totalNumPolys = 0;
// Get each chunk!
int chunkIndex = 0;
for(int x = 0; x < numChunksX; x++) {
for(int y = 0; y < numChunksY; y++) {
for(int z = 0; z < numChunksZ; z++) {
// Figure out chunk offset amount:
Vector3 chunkOffset = new Vector3(cellResolution * 8f * x, cellResolution * 8f * y, cellResolution * 8f * z) + GlobalBoundingBoxOffset - (GlobalBoundingBoxDimensions / 2f);
int[] numPolys = new int[1];
ComputeBuffer cBufferNumPoly = new ComputeBuffer(1, sizeof(int));
cBufferNumPoly.SetData(numPolys);
int id = CShaderBuildMC.FindKernel("CSMain");
CShaderBuildMC.SetInt("_CalcNumPolys", 1); // only calculate how many tris so I can correctly size the poly buffer
CShaderBuildMC.SetFloat("_GlobalOffsetX", chunkOffset.x);
CShaderBuildMC.SetFloat("_GlobalOffsetY", chunkOffset.y);
CShaderBuildMC.SetFloat("_GlobalOffsetZ", chunkOffset.z);
CShaderBuildMC.SetFloat("_CellSize", cellResolution);
CShaderBuildMC.SetVector("_ColorPrimary", colorPrimary);
CShaderBuildMC.SetVector("_ColorSecondary", colorSecondary);
CShaderBuildMC.SetFloat("_ColorNoiseScale", colorNoiseScale);
CShaderBuildMC.SetFloat("_ColorSmlAmplitude", colorSmlAmplitude);
CShaderBuildMC.SetFloat("_ColorMedAmplitude", colorMedAmplitude);
CShaderBuildMC.SetFloat("_ColorLrgAmplitude", colorLrgAmplitude);
CShaderBuildMC.SetFloat("_ColorContrast", colorContrast);
CShaderBuildMC.SetFloat("_ColorThreshold", colorThreshold);
CShaderBuildMC.SetVector("_SkinNoiseScale", skinNoiseScale);
CShaderBuildMC.SetFloat("_SkinNoiseAmplitude", skinNoiseAmplitude);
CShaderBuildMC.SetVector("_SkinLocalTaper", skinLocalTaper);
CShaderBuildMC.SetVector("_SkinLocalSinFreq", skinLocalSinFreq);
CShaderBuildMC.SetVector("_SkinLocalSinAmp", skinLocalSinAmp);
// Local Segment-space modifications, sin, taper, etc.
CShaderBuildMC.SetBuffer(id, "numPolyBuffer", cBufferNumPoly);
CShaderBuildMC.Dispatch(id, 1, 1, 1); // calc num polys
cBufferNumPoly.GetData(numPolys); // get numPolys
//Debug.Log("Chunk: " + (z + (numChunksZ * y) + (numChunksZ * numChunksY * x)).ToString() + ", cBufferNumPoly.GetData(numPolys): " + numPolys[0].ToString() + ", chunkOffset: " + chunkOffset.ToString());
totalNumPolys += numPolys[0];
numPolysArray[chunkIndex] = numPolys[0];
if(numPolys[0] > 0) { // only do this if there was at least 1 triangle in the test pass
Poly[] polyArray = new Poly[numPolys[0]];
int cBufferStride = sizeof(float) * (18 + 9 + 6) + sizeof(int) * (6);
ComputeBuffer cBuffer = new ComputeBuffer(numPolys[0], cBufferStride); // 18 floats x 4 bytes/float = 72 + COLORS! 9 x 4 = 36 = 108 + BONES! 6x4 = 24 + 6 xint...
cBuffer.SetData(polyArray);
CShaderBuildMC.SetBuffer(id, "buffer", cBuffer);
CShaderBuildMC.SetInt("_CalcNumPolys", 0); // Actually calc tris
CShaderBuildMC.Dispatch(id, 1, 1, 1);
cBuffer.GetData(polyArray); // return data from GPU
PolyArrayArray[chunkIndex] = polyArray;
cBuffer.Dispose();
}
cBufferNumPoly.Dispose();
chunkIndex++;
}
}
}
CritterDecorationsTest.decorationStruct[] points = new CritterDecorationsTest.decorationStruct[totalNumPolys];
//Construct mesh using received data
int vindex = 0;
int decindex = 0;
// Why same number of tris as vertices? == // because all triangles have duplicate verts - no shared vertices?
Vector3[] vertices = new Vector3[totalNumPolys * 3];
Color[] colors = new Color[totalNumPolys * 3];
int[] tris = new int[totalNumPolys * 3];
Vector2[] uvs = new Vector2[totalNumPolys * 3];
Vector3[] normals = new Vector3[totalNumPolys * 3];
BoneWeight[] weights = new BoneWeight[totalNumPolys * 3];
//Parse triangles
for(int i = 0; i < PolyArrayArray.Length; i++) {
if(numPolysArray[i] > 0) { // only do this if there was at least 1 triangle in the test pass
for (int ix = 0; ix < numPolysArray[i]; ix++) {
Vector3 vPos;
Vector3 vOffset = new Vector3(0, 0, 0); //??? offsets all vertices by this amount, but why 30??
//A1,A2,A3
vPos = new Vector3(PolyArrayArray[i][ix].A1, PolyArrayArray[i][ix].A2, PolyArrayArray[i][ix].A3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NA1, PolyArrayArray[i][ix].NA2, PolyArrayArray[i][ix].NA3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
colors[vindex] = new Color(PolyArrayArray[i][ix].CAR, PolyArrayArray[i][ix].CAG, PolyArrayArray[i][ix].CAB, 1.0f);
weights[vindex].boneIndex0 = PolyArrayArray[i][ix].BoneIndexA0;
weights[vindex].boneIndex1 = PolyArrayArray[i][ix].BoneIndexA1;
weights[vindex].weight0 = PolyArrayArray[i][ix].BoneWeightA0;
weights[vindex].weight1 = PolyArrayArray[i][ix].BoneWeightA1;
points[decindex].pos = vPos;
points[decindex].normal = normals[vindex];
points[decindex].color = new Vector3(colors[vindex].r, colors[vindex].g, colors[vindex].b);
decindex++;
vindex++;
//B1,B2,B3
vPos = new Vector3(PolyArrayArray[i][ix].B1, PolyArrayArray[i][ix].B2, PolyArrayArray[i][ix].B3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NB1, PolyArrayArray[i][ix].NB2, PolyArrayArray[i][ix].NB3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
colors[vindex] = new Color(PolyArrayArray[i][ix].CBR, PolyArrayArray[i][ix].CBG, PolyArrayArray[i][ix].CBB, 1.0f);
weights[vindex].boneIndex0 = PolyArrayArray[i][ix].BoneIndexB0;
weights[vindex].boneIndex1 = PolyArrayArray[i][ix].BoneIndexB1;
weights[vindex].weight0 = PolyArrayArray[i][ix].BoneWeightB0;
weights[vindex].weight1 = PolyArrayArray[i][ix].BoneWeightB1;
vindex++;
//C1,C2,C3
vPos = new Vector3(PolyArrayArray[i][ix].C1, PolyArrayArray[i][ix].C2, PolyArrayArray[i][ix].C3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NC1, PolyArrayArray[i][ix].NC2, PolyArrayArray[i][ix].NC3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
colors[vindex] = new Color(PolyArrayArray[i][ix].CCR, PolyArrayArray[i][ix].CCG, PolyArrayArray[i][ix].CCB, 1.0f);
weights[vindex].boneIndex0 = PolyArrayArray[i][ix].BoneIndexC0;
weights[vindex].boneIndex1 = PolyArrayArray[i][ix].BoneIndexC1;
weights[vindex].weight0 = PolyArrayArray[i][ix].BoneWeightC0;
weights[vindex].weight1 = PolyArrayArray[i][ix].BoneWeightC1;
vindex++;
}
}
}
//We have got all data and are ready to setup a new mesh!
Mesh newMesh = new Mesh();
newMesh.vertices = vertices;
newMesh.uv = uvs; //Unwrapping.GeneratePerTriangleUV(NewMesh);
newMesh.triangles = tris;
newMesh.normals = normals; //NewMesh.RecalculateNormals();
newMesh.colors = colors;
newMesh.Optimize();
// Set up SKINNING!!!:
Transform[] bones = new Transform[critter.critterSegmentList.Count];
Matrix4x4[] bindPoses = new Matrix4x4[critter.critterSegmentList.Count];
// Try just using existing critter's GameObjects/Transforms:
for(int seg = 0; seg < critter.critterSegmentList.Count; seg++) {
bones[seg] = critter.critterSegmentList[seg].transform;
bindPoses[seg] = bones[seg].worldToLocalMatrix * transform.localToWorldMatrix; // ?????????????????
// the bind pose is the inverse of inverse transformation matrix of the bone, when the bone is in the bind pose .... unhelpful ....
}
newMesh.boneWeights = weights;
newMesh.bindposes = bindPoses;
SkinnedMeshRenderer skinnedMeshRenderer = this.GetComponent<SkinnedMeshRenderer>();
skinnedMeshRenderer.bones = bones;
skinnedMeshRenderer.sharedMesh = newMesh;
skinnedMeshRenderer.enabled = true;
cBufferSegmentTransform.Release();
critterDecorationsTest.TurnOn(points);
float calcTime = Time.realtimeSinceStartup - startTime;
Debug.Log("MeshCreated! " + calcTime.ToString());
}
///<summary>
/// Input a cubemap, and then prefilter this cubemap for image-based lighting equation.
///</summary>
public static void PreFilterEnviromentMap(Cubemap cubemap)
{
if (cubemap)
{
int cube_width = cubemap.width;
Vector3 vec3 = new Vector3();
// Create a read buffer to store cubemap direction data.
ComputeBuffer cubeMatrix = new ComputeBuffer(sgFaceInput.Length, Marshal.SizeOf(vec3));
cubeMatrix.SetData(sgFaceInput);
Vector4 vec4 = new Vector4();
// Create a output buffer.
ComputeBuffer dstData = new ComputeBuffer(cube_width * cube_width * 6, Marshal.SizeOf(vec4));
ComputeShader CSEnvFilter;
CSEnvFilter = (ComputeShader)AssetDatabase.LoadAssetAtPath("Assets/EnvironmentMapTool/ComputeShader/FilterCubeMap.compute", typeof(ComputeShader));
// Set cubemap to shader.
CSEnvFilter.SetTexture(0, "gCubemap", cubemap);
// Set read write buffer for data output.
CSEnvFilter.SetBuffer(0, "gOutput", dstData);
// Set cubemap direction data.
CSEnvFilter.SetBuffer(0, "sgFace2DMapping", cubeMatrix);
Color[] outputData = new Color[cube_width * cube_width * 6];
// How many mipmap level?
float mipLevelNum = Mathf.Log(cube_width, 2);
// Loop each mipmap level with different roughness.
for (int i = 0; i < mipLevelNum + 1; i++)
{
// The texel number of a face.
int image_size = cube_width * cube_width;
// The texel number of a cubemap.
int num_threads = image_size * 6;
// Set roughness value (between 0~1).
CSEnvFilter.SetFloat("gRoughness", (i / mipLevelNum));
// The width of a mipmap level of a cube map.
CSEnvFilter.SetInt("gWidth", cube_width);
// The total number of thread groups (the number of my thread group : 64).
num_threads = (int)Mathf.Ceil((float)num_threads / 64.0f);
// Run compute shader.
CSEnvFilter.Dispatch(0, num_threads, 1, 1);
// Get data from the read & write buffer.
dstData.GetData(outputData);
// Copy data to the original cubemap.
SetCubeMipMap(cubemap, outputData, image_size, i);
// Half the size for the next mipmap level.
cube_width = cube_width / 2;
}
// Set false to disable auto-generating mipmap.
cubemap.Apply(false);
// Use trilinear mode to interpolate different mipmap levels.
cubemap.filterMode = FilterMode.Trilinear;
cubemap.wrapMode = TextureWrapMode.Clamp;
cubemap.name = cubemap.name + "(PreFilter)";
// Release data.
dstData.Release();
cubeMatrix.Release();
}
}
public static int ReadPixelId(RenderTexture texture, Vector2 coord)
{
var outBuffer = new ComputeBuffer(1, sizeof(int));
ComputeShaderManager.Instance.ReadPixelCS.SetInts("_Coord", (int)coord.x, Screen.height - (int)coord.y);
ComputeShaderManager.Instance.ReadPixelCS.SetTexture(0, "_IdTexture", texture);
ComputeShaderManager.Instance.ReadPixelCS.SetBuffer(0, "_OutputBuffer", outBuffer);
ComputeShaderManager.Instance.ReadPixelCS.Dispatch(0, 1, 1, 1);
var pixelId = new[] { 0 };
outBuffer.GetData(pixelId);
outBuffer.Release();
return pixelId[0];
}
public void BuildMesh() {
float startTime = Time.realtimeSinceStartup;
// CritterSegmentTransforms!!
SegmentTransform[] critterSegmentTransforms = new SegmentTransform[2];
Quaternion rot = Quaternion.Euler(55f, 12f, -230f);
Quaternion rot2 = Quaternion.Euler(-35f, 112f, -67f);
SegmentTransform segmentTransform;
segmentTransform.PX = 10f;
segmentTransform.PY = 8f;
segmentTransform.PZ = 13f;
segmentTransform.RX = rot.x;
segmentTransform.RY = rot.y;
segmentTransform.RZ = rot.z;
segmentTransform.RW = rot.w;
segmentTransform.SX = 6f;
segmentTransform.SY = 7f;
segmentTransform.SZ = 2.5f;
SegmentTransform segmentTransform2;
segmentTransform2.PX = 22f;
segmentTransform2.PY = 11f;
segmentTransform2.PZ = 15f;
segmentTransform2.RX = rot2.x;
segmentTransform2.RY = rot2.y;
segmentTransform2.RZ = rot2.z;
segmentTransform2.RW = rot2.w;
segmentTransform2.SX = 9f;
segmentTransform2.SY = 3f;
segmentTransform2.SZ = 7f;
critterSegmentTransforms[0] = segmentTransform;
critterSegmentTransforms[1] = segmentTransform2;
ComputeBuffer cBufferSegmentTransform = new ComputeBuffer(critterSegmentTransforms.Length, sizeof(float) * (3 + 3 + 4));
cBufferSegmentTransform.SetData(critterSegmentTransforms);
int kernelID = CShaderBuildMC.FindKernel("CSMain");
CShaderBuildMC.SetBuffer(kernelID, "segmentTransformBuffer", cBufferSegmentTransform);
// Figure out how many chunks are needed:
int numChunksX = Mathf.CeilToInt(GlobalBoundingBoxDimensions.x * cellResolution / 8f);
int numChunksY = Mathf.CeilToInt(GlobalBoundingBoxDimensions.y * cellResolution / 8f);
int numChunksZ = Mathf.CeilToInt(GlobalBoundingBoxDimensions.z * cellResolution / 8f);
Debug.Log("numChunks: (" + numChunksX.ToString() + ", " + numChunksY.ToString() + ", " + numChunksZ.ToString() + ")");
int totalNumChunks = numChunksX * numChunksY * numChunksZ;
Poly[][] PolyArrayArray = new Poly[totalNumChunks][]; // This will hold the mesh data from the chunks calculated on the GPU
int[] numPolysArray = new int[totalNumChunks];
int totalNumPolys = 0;
// Get each chunk!
int chunkIndex = 0;
for(int x = 0; x < numChunksX; x++) {
for(int y = 0; y < numChunksY; y++) {
for(int z = 0; z < numChunksZ; z++) {
// Figure out chunk offset amount:
Vector3 chunkOffset = new Vector3(cellResolution * 8f * x, cellResolution * 8f * y, cellResolution * 8f * z);
int[] numPolys = new int[1];
ComputeBuffer cBufferNumPoly = new ComputeBuffer(1, sizeof(int));
cBufferNumPoly.SetData(numPolys);
int id = CShaderBuildMC.FindKernel("CSMain");
CShaderBuildMC.SetInt("_CalcNumPolys", 1); // only calculate how many tris so I can correctly size the poly buffer
CShaderBuildMC.SetFloat("_GlobalOffsetX", chunkOffset.x);
CShaderBuildMC.SetFloat("_GlobalOffsetY", chunkOffset.y);
CShaderBuildMC.SetFloat("_GlobalOffsetZ", chunkOffset.z);
CShaderBuildMC.SetBuffer(id, "numPolyBuffer", cBufferNumPoly);
CShaderBuildMC.Dispatch(id, 1, 1, 1); // calc num polys
cBufferNumPoly.GetData(numPolys); // get numPolys
Debug.Log("Chunk: " + (z + (numChunksZ * y) + (numChunksZ * numChunksY * x)).ToString() + ", cBufferNumPoly.GetData(numPolys): " + numPolys[0].ToString() + ", chunkIndex: " + chunkIndex.ToString());
totalNumPolys += numPolys[0];
numPolysArray[chunkIndex] = numPolys[0];
//_MaxBufferSize = numPolys[0];
if(numPolys[0] > 0) { // only do this if there was at least 1 triangle in the test pass
Poly[] polyArray = new Poly[numPolys[0]];
ComputeBuffer cBuffer = new ComputeBuffer(numPolys[0], 72); // 18 floats x 4 bytes/float = 72
cBuffer.SetData(polyArray);
CShaderBuildMC.SetBuffer(id, "buffer", cBuffer);
CShaderBuildMC.SetInt("_CalcNumPolys", 0); // Actually calc tris
CShaderBuildMC.Dispatch(id, 1, 1, 1);
cBuffer.GetData(polyArray); // return data from GPU
PolyArrayArray[chunkIndex] = polyArray;
cBuffer.Dispose();
}
cBufferNumPoly.Dispose();
chunkIndex++;
}
}
}
//Construct mesh using received data
Mesh newMesh = new Mesh();
int vindex = 0;
// Why same number of tris as vertices? == // because all triangles have duplicate verts - no shared vertices?
Vector3[] vertices = new Vector3[totalNumPolys * 3];
int[] tris = new int[totalNumPolys * 3];
Vector2[] uvs = new Vector2[totalNumPolys * 3];
Vector3[] normals = new Vector3[totalNumPolys * 3];
//Parse triangles
for(int i = 0; i < PolyArrayArray.Length; i++) {
if(numPolysArray[i] > 0) { // only do this if there was at least 1 triangle in the test pass
for (int ix = 0; ix < numPolysArray[i]; ix++) {
Vector3 vPos;
Vector3 vOffset = new Vector3(0, 0, 0); //??? offsets all vertices by this amount, but why 30??
//A1,A2,A3
vPos = new Vector3(PolyArrayArray[i][ix].A1, PolyArrayArray[i][ix].A2, PolyArrayArray[i][ix].A3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NA1, PolyArrayArray[i][ix].NA2, PolyArrayArray[i][ix].NA3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
//B1,B2,B3
vPos = new Vector3(PolyArrayArray[i][ix].B1, PolyArrayArray[i][ix].B2, PolyArrayArray[i][ix].B3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NB1, PolyArrayArray[i][ix].NB2, PolyArrayArray[i][ix].NB3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
//C1,C2,C3
vPos = new Vector3(PolyArrayArray[i][ix].C1, PolyArrayArray[i][ix].C2, PolyArrayArray[i][ix].C3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(PolyArrayArray[i][ix].NC1, PolyArrayArray[i][ix].NC2, PolyArrayArray[i][ix].NC3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
}
}
}
//We have got all data and are ready to setup a new mesh!
//newMesh.Clear();
newMesh.vertices = vertices;
newMesh.uv = uvs; //Unwrapping.GeneratePerTriangleUV(NewMesh);
newMesh.triangles = tris;
newMesh.normals = normals; //NewMesh.RecalculateNormals();
newMesh.RecalculateNormals();
newMesh.Optimize();
//cBuffer.Dispose();
//cBufferNumPoly.Dispose();
//cBuffer.Release();
cBufferSegmentTransform.Release();
this.GetComponent<MeshFilter>().sharedMesh = newMesh;
float calcTime = Time.realtimeSinceStartup - startTime;
Debug.Log("MeshCreated! " + calcTime.ToString());
}
private void InitTerrain() {
int meshGridSize = 16;
int numTerrainMeshVertices = meshGridSize * meshGridSize;
terrainMeshBuffer = new ComputeBuffer(numTerrainMeshVertices, sizeof(float) * (3 + 3 + 2 + 4));
int numStrokesPerVertX = 16;
int numStrokesPerVertZ = 16;
int numTerrainStrokes = meshGridSize * meshGridSize * numStrokesPerVertX * numStrokesPerVertZ;
terrainStrokesBuffer = new ComputeBuffer(numTerrainStrokes, sizeof(float) * (3 + 3 + 3 + 3 + 3 + 2) + sizeof(int) * 1);
//terrainGeneratorCompute = new ComputeShader();
int kernel_id = terrainGeneratorCompute.FindKernel("CSMain");
terrainGeneratorCompute.SetFloat("_GridSideLength", terrainSize);
terrainGeneratorCompute.SetFloat("_NoiseFrequency", terrainNoiseFrequency);
terrainGeneratorCompute.SetFloat("_NoiseAmplitude", terrainNoiseAmplitude);
terrainGeneratorCompute.SetFloat("_GroundHeight", terrainAltitude);
terrainGeneratorCompute.SetInt("_NumGroupsX", numStrokesPerVertX);
terrainGeneratorCompute.SetInt("_NumGroupsZ", numStrokesPerVertZ);
terrainGeneratorCompute.SetBuffer(kernel_id, "buf_StrokeData", terrainStrokesBuffer);
terrainGeneratorCompute.SetBuffer(kernel_id, "buf_MeshData", terrainMeshBuffer);
meshData[] meshDataArray = new meshData[numTerrainMeshVertices]; // memory to receive data from computeshader
terrainGeneratorCompute.Dispatch(kernel_id, numStrokesPerVertX, 1, numStrokesPerVertZ); // fill buffers
terrainMeshBuffer.GetData(meshDataArray); // download mesh Data
// generate Mesh from data:
//Construct mesh using received data
// Why same number of tris as vertices? == // because all triangles have duplicate verts - no shared vertices?
Vector3[] vertices = new Vector3[numTerrainMeshVertices];
Color[] colors = new Color[numTerrainMeshVertices];
int[] tris = new int[2 * (meshGridSize - 1) * (meshGridSize - 1) * 3];
Vector2[] uvs = new Vector2[numTerrainMeshVertices];
Vector3[] normals = new Vector3[numTerrainMeshVertices];
for(int i = 0; i < numTerrainMeshVertices; i++) {
vertices[i] = meshDataArray[i].pos;
normals[i] = meshDataArray[i].normal;
uvs[i] = meshDataArray[i].uv;
colors[i] = meshDataArray[i].color;
}
// Figure out triangles:
int index = 0;
int numSquares = meshGridSize - 1;
for (int y = 0; y < numSquares; y++) {
for(int x = 0; x < numSquares; x++) {
// counterclockwise winding order:
tris[index] = ((y + 1) * meshGridSize) + x;
tris[index + 1] = (y * meshGridSize) + x + 1;
tris[index + 2] = (y * meshGridSize) + x;
tris[index + 3] = ((y + 1) * meshGridSize) + x;
tris[index + 4] = ((y + 1) * meshGridSize) + x + 1;
tris[index + 5] = (y * meshGridSize) + x + 1;
index = index + 6;
}
}
Mesh terrainMesh = new Mesh();
terrainMesh.vertices = vertices;
terrainMesh.uv = uvs; //Unwrapping.GeneratePerTriangleUV(NewMesh);
terrainMesh.triangles = tris;
terrainMesh.normals = normals; //NewMesh.RecalculateNormals();
terrainMesh.colors = colors;
terrainMesh.RecalculateNormals();
terrainMesh.RecalculateBounds();
trainerTerrainManager.GetComponent<MeshFilter>().sharedMesh = terrainMesh;
trainerTerrainManager.GetComponent<MeshCollider>().sharedMesh = terrainMesh;
terrainMeshBuffer.Release();
terrainMeshBuffer.Dispose();
}
void SaveAsRaw(int size, int channels, string fileName, RenderTexture rtex)
{
ComputeBuffer buffer = new ComputeBuffer(size, sizeof(float)*channels);
CBUtility.ReadFromRenderTexture(rtex, channels, buffer, m_readData);
float[] data = new float[size * channels];
buffer.GetData(data);
byte[] byteArray = new byte[size * 4 * channels];
System.Buffer.BlockCopy(data, 0, byteArray, 0, byteArray.Length);
System.IO.File.WriteAllBytes(Application.dataPath + m_filePath + fileName + ".raw", byteArray);
buffer.Release();
}
public void BuildMesh() {
float startTime = Time.realtimeSinceStartup;
int[] numPolys = new int[1];
ComputeBuffer cBufferNumPoly = new ComputeBuffer(1, sizeof(int));
cBufferNumPoly.SetData(numPolys);
int id = CShaderBuildMC.FindKernel("CSMain");
CShaderBuildMC.SetInt("_CalcNumPolys", 1); // only calculate how many tris so I can correctly size the poly buffer
CShaderBuildMC.SetBuffer(id, "numPolyBuffer", cBufferNumPoly);
CShaderBuildMC.Dispatch(id, 1, 1, 1); // calc num polys
cBufferNumPoly.GetData(numPolys); // get numPolys
Debug.Log("cBufferNumPoly.GetData(numPolys): " + numPolys[0].ToString());
_MaxBufferSize = numPolys[0];
Poly[] polyArray = new Poly[_MaxBufferSize];
ComputeBuffer cBuffer = new ComputeBuffer(_MaxBufferSize, 72); // 18 floats x 4 bytes/float = 72
cBuffer.SetData(polyArray);
CShaderBuildMC.SetBuffer(id, "buffer", cBuffer);
CShaderBuildMC.SetInt("_CalcNumPolys", 0); // Actually calc tris
CShaderBuildMC.Dispatch(id, 1, 1, 1);
cBuffer.GetData(polyArray); // return data from GPU
//Construct mesh using received data
Mesh newMesh = new Mesh();
int vindex = 0;
//int count = 0;
//Count real data length --- Looks like there might be wasted data??? -- investigate how to Optimize
/*for (count = 0; count < _MaxBufferSize; count++) {
if (polyArray[count].A1 == 0.0f && polyArray[count].B1 == 0.0f && polyArray[count].C1 == 0.0 &&
polyArray[count].A2 == 0.0f && polyArray[count].B2 == 0.0f && polyArray[count].C2 == 0.0 &&
polyArray[count].A3 == 0.0f && polyArray[count].B3 == 0.0f && polyArray[count].C3 == 0.0) {
break;
}
}*/
//Debug.Log(count+" triangles got");
// Why same number of tris as vertices? == // because all triangles have duplicate verts - no shared vertices?
Vector3[] vertices = new Vector3[_MaxBufferSize * 3];
int[] tris = new int[_MaxBufferSize * 3];
Vector2[] uvs = new Vector2[_MaxBufferSize * 3];
Vector3[] normals = new Vector3[_MaxBufferSize * 3];
//Parse triangles
for (int ix = 0; ix < _MaxBufferSize; ix++) {
Vector3 vPos;
Vector3 vOffset = new Vector3(0, 0, 0); //??? offsets all vertices by this amount, but why 30??
//A1,A2,A3
vPos = new Vector3(polyArray[ix].A1, polyArray[ix].A2, polyArray[ix].A3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(polyArray[ix].NA1, polyArray[ix].NA2, polyArray[ix].NA3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
//B1,B2,B3
vPos = new Vector3(polyArray[ix].B1, polyArray[ix].B2, polyArray[ix].B3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(polyArray[ix].NB1, polyArray[ix].NB2, polyArray[ix].NB3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
//C1,C2,C3
vPos = new Vector3(polyArray[ix].C1, polyArray[ix].C2, polyArray[ix].C3) + vOffset;
vertices[vindex] = vPos * _Scale;
normals[vindex] = new Vector3(polyArray[ix].NC1, polyArray[ix].NC2, polyArray[ix].NC3);
tris[vindex] = vindex;
uvs[vindex] = new Vector2(vertices[vindex].z, vertices[vindex].x);
vindex++;
}
//We have got all data and are ready to setup a new mesh!
//newMesh.Clear();
newMesh.vertices = vertices;
newMesh.uv = uvs; //Unwrapping.GeneratePerTriangleUV(NewMesh);
newMesh.triangles = tris;
newMesh.normals = normals; //NewMesh.RecalculateNormals();
newMesh.RecalculateNormals();
newMesh.Optimize();
cBuffer.Dispose();
cBufferNumPoly.Dispose();
//cBuffer.Release();
this.GetComponent<MeshFilter>().sharedMesh = newMesh;
}
void SaveAs8bit(int width, int height, int channels, string fileName, RenderTexture rtex, float scale = 1.0f)
{
//Only used to get a visible image for debugging.
ComputeBuffer buffer = new ComputeBuffer(width*height, sizeof(float)*channels);
CBUtility.ReadFromRenderTexture(rtex, channels, buffer, m_readData);
float[] data = new float[width*height* channels];
buffer.GetData(data);
Texture2D tex = new Texture2D(width, height);
for(int x = 0; x < width; x++)
{
for(int y = 0; y < height; y++)
{
Color col = new Color(0,0,0,1);
col.r = data[(x + y * width) * channels + 0];
if(channels > 1)
col.g = data[(x + y * width) * channels + 1];
if(channels > 2)
col.b = data[(x + y * width) * channels + 2];
tex.SetPixel(x, y, col * scale);
}
}
tex.Apply();
byte[] bytes = tex.EncodeToPNG();
System.IO.File.WriteAllBytes(Application.dataPath + m_filePath + fileName + ".png", bytes);
buffer.Release();
}
int RunGPUBenchmark(string text)
{
if (!SystemInfo.supportsComputeShaders)
{
m_output.text = m_output.text + text + "not available\n";
return 0;
}
ComputeBuffer cb_params = new ComputeBuffer(1, CSParams.size);
ComputeBuffer cb_particles = new ComputeBuffer(BenchmarkParticleCount, peParticle.size);
var particles = new peParticle[BenchmarkParticleCount];
{
UnityEngine.Random.seed = 0;
for (int i = 0; i < particles.Length; ++i)
{
particles[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f) );
}
cb_particles.SetData(particles);
}
{
CSParams[] csparams = new CSParams[1];
csparams[0].particle_count = BenchmarkParticleCount;
csparams[0].particle_size = m_particle_size;
csparams[0].rcp_particle_size2 = 1.0f / (m_particle_size * 2.0f);
csparams[0].pressure_stiffness = m_pressure_stiffness;
csparams[0].wall_stiffness = m_wall_stiffness;
csparams[0].timestep = BenchmarkDeltaTime;
cb_params.SetData(csparams);
}
for (int i = 0; i < 2; ++i )
{
m_cs_particle_core.SetBuffer(i, "g_params", cb_params);
m_cs_particle_core.SetBuffer(i, "g_particles", cb_particles);
}
float elapsed_total = 0.0f;
int num_try = 0;
while (elapsed_total < BenchmarkTimeout)
{
float t = Time.realtimeSinceStartup;
m_cs_particle_core.Dispatch(0, BenchmarkParticleCount / KernelBlockSize, 1, 1);
m_cs_particle_core.Dispatch(1, BenchmarkParticleCount / KernelBlockSize, 1, 1);
cb_particles.GetData(particles);
elapsed_total += Time.realtimeSinceStartup - t;
++num_try;
}
cb_params.Release();
cb_particles.Release();
m_output.text = m_output.text + text + (elapsed_total / num_try * 1000.0f).ToString("0.00") + "ms\n";
return 0;
}
