public bool LoadVolume(int index)
{
if (isLoading)
{
return(false);
}
if (index < 0 || index >= resources.allVolume.Count)
{
return(false);
}
isLoading = true;
IrradianceResources.Volume data = resources.allVolume[index];
currentIrr = new LoadedIrradiance
{
resolution = data.resolution,
position = data.position,
localToWorld = data.localToWorld,
renderTextureIndex = loadedIrradiance.Length
};
targetPath = data.path;
currentTexture = new CoeffTexture(data.resolution);
len = (int)(data.resolution.x * data.resolution.y * data.resolution.z * 9);
if (coeff != null && coeff.count < len)
{
coeff.Dispose();
coeff = new ComputeBuffer(len, 12);
}
if (coeff == null)
{
coeff = new ComputeBuffer(len, 12);
}
LoadingThread.AddCommand((obj) =>
{
var controller = (IrradianceVolumeController)obj;
controller.LoadVolumeAsync();
}, this);
return(true);
}
public IEnumerator BakeLightmap()
{
RenderTextureDescriptor texArrayDescriptor = new RenderTextureDescriptor
{
autoGenerateMips = false,
bindMS = false,
colorFormat = RenderTextureFormat.ARGB32,
depthBufferBits = 16,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = false,
height = RESOLUTION,
width = RESOLUTION,
memoryless = RenderTextureMemoryless.None,
msaaSamples = 1,
shadowSamplingMode = ShadowSamplingMode.None,
sRGB = false,
useMipMap = true,
volumeDepth = 6,
vrUsage = VRTextureUsage.None
};
RenderTexture rt = RenderTexture.GetTemporary(texArrayDescriptor); rt.filterMode = FilterMode.Trilinear;
rt.Create();
texArrayDescriptor.volumeDepth = 1;
texArrayDescriptor.dimension = TextureDimension.Tex2D;
RenderTexture tempRT = RenderTexture.GetTemporary(texArrayDescriptor);
tempRT.Create();
ComputeShader shader = resources.shaders.probeCoeffShader;
Action <CommandBuffer> func = (cb) =>
{
cb.SetComputeBufferParam(shader, 0, "_CoeffTemp", coeffTemp);
cb.SetComputeBufferParam(shader, 1, "_CoeffTemp", coeffTemp);
cb.SetComputeBufferParam(shader, 1, "_Coeff", coeff);
cb.SetComputeTextureParam(shader, 0, "_SourceCubemap", rt);
cb.SetGlobalVector("_Tex3DSize", new Vector4(probeCount.x + 0.01f, probeCount.y + 0.01f, probeCount.z + 0.01f));
cb.SetGlobalVector("_SHSize", transform.localScale);
cb.SetGlobalVector("_LeftDownBack", transform.position - transform.localScale * 0.5f);
};
RenderPipeline.ExecuteBufferAtFrameEnding(func);
yield return(null);
yield return(null);
int target = probeCount.x * probeCount.y * probeCount.z;
for (int x = 0; x < probeCount.x; ++x)
{
for (int y = 0; y < probeCount.y; ++y)
{
for (int z = 0; z < probeCount.z; ++z)
{
BakeMap(int3(x, y, z), rt, tempRT);
cbuffer.GenerateMips(rt);
cbuffer.SetComputeIntParam(shader, "_OffsetIndex", PipelineFunctions.DownDimension(int3(x, y, z), probeCount.xy));
cbuffer.DispatchCompute(shader, 0, RESOLUTION / 32, RESOLUTION / 32, 6);
cbuffer.DispatchCompute(shader, 1, 1, 1, 1);
yield return(null);
}
}
}
isRendering = false;
yield return(null);
isRendered = true;
byte[] byteArray = new byte[coeff.count * coeff.stride];
coeff.GetData(byteArray);
string path = "Assets/BinaryData/Irradiance/" + volumeName + ".mpipe";
File.WriteAllBytes(path, byteArray);
float4x4 localToWorld = transform.localToWorldMatrix;
IrradianceResources.Volume volume = new IrradianceResources.Volume
{
position = transform.position,
localToWorld = float3x3(localToWorld.c0.xyz, localToWorld.c1.xyz, localToWorld.c2.xyz),
resolution = (uint3)probeCount,
volumeName = volumeName,
path = path
};
Debug.Log(volume.volumeName);
saveTarget.allVolume[indexInList] = volume;
EditorUtility.SetDirty(saveTarget);
RenderTexture.ReleaseTemporary(rt);
RenderTexture.ReleaseTemporary(tempRT);
yield return(null);
Dispose();
}