protected override void SetAdditionalSimParams(IPropertyWrapper simMaterial)
{
base.SetAdditionalSimParams(simMaterial);
simMaterial.SetFloat(sp_Damping, Settings._damping);
simMaterial.SetFloat(sp_Gravity, OceanRenderer.Instance.Gravity * Settings._gravityMultiplier);
float laplacianKernelAngle = _rotateLaplacian ? Mathf.PI * 2f * Random.value : 0f;
simMaterial.SetVector(sp_LaplacianAxisX, new Vector2(Mathf.Cos(laplacianKernelAngle), Mathf.Sin(laplacianKernelAngle)));
// assign sea floor depth - to slot 1 current frame data. minor bug here - this depth will actually be from the previous frame,
// because the depth is scheduled to render just before the animated waves, and this sim happens before animated waves.
if (OceanRenderer.Instance._lodDataSeaDepths != null)
{
OceanRenderer.Instance._lodDataSeaDepths.BindResultData(simMaterial);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(simMaterial);
}
if (OceanRenderer.Instance._lodDataFlow != null)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(simMaterial);
}
else
{
LodDataMgrFlow.BindNull(simMaterial);
}
}
protected override void SetAdditionalSimParams(int lodIdx, IPropertyWrapper simMaterial)
{
base.SetAdditionalSimParams(lodIdx, simMaterial);
simMaterial.SetFloat(sp_FoamFadeRate, Settings._foamFadeRate);
simMaterial.SetFloat(sp_WaveFoamStrength, Settings._waveFoamStrength);
simMaterial.SetFloat(sp_WaveFoamCoverage, Settings._waveFoamCoverage);
simMaterial.SetFloat(sp_ShorelineFoamMaxDepth, Settings._shorelineFoamMaxDepth);
simMaterial.SetFloat(sp_ShorelineFoamStrength, Settings._shorelineFoamStrength);
// assign animated waves - to slot 1 current frame data
OceanRenderer.Instance._lodDataAnimWaves.BindResultData(lodIdx, 1, simMaterial);
// assign sea floor depth - to slot 1 current frame data
if (OceanRenderer.Instance._lodDataSeaDepths)
{
OceanRenderer.Instance._lodDataSeaDepths.BindResultData(lodIdx, 1, simMaterial);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(1, simMaterial);
}
// assign flow - to slot 1 current frame data
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(lodIdx, 1, simMaterial);
}
else
{
LodDataMgrFlow.BindNull(1, simMaterial);
}
}
protected override void SetAdditionalSimParams(int lodIdx, Material simMaterial)
{
base.SetAdditionalSimParams(lodIdx, simMaterial);
simMaterial.SetFloat("_Damping", Settings._damping);
simMaterial.SetFloat("_Gravity", OceanRenderer.Instance.Gravity);
float laplacianKernelAngle = _rotateLaplacian ? Mathf.PI * 2f * Random.value : 0f;
simMaterial.SetVector("_LaplacianAxisX", new Vector2(Mathf.Cos(laplacianKernelAngle), Mathf.Sin(laplacianKernelAngle)));
// assign sea floor depth - to slot 1 current frame data. minor bug here - this depth will actually be from the previous frame,
// because the depth is scheduled to render just before the animated waves, and this sim happens before animated waves.
if (OceanRenderer.Instance._createSeaFloorDepthData)
{
OceanRenderer.Instance._lodDataSeaDepths.BindResultData(lodIdx, 1, simMaterial);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(1, simMaterial);
}
if (OceanRenderer.Instance._createFlowSim)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(lodIdx, 1, simMaterial);
}
else
{
LodDataMgrFlow.BindNull(1, simMaterial);
}
}
void CombinePassPingPong(CommandBuffer buf)
{
var lodCount = OceanRenderer.Instance.CurrentLodCount;
const int shaderPassCombineIntoAux = 0, shaderPassCopyResultBack = 1;
// combine waves
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
// The per-octave wave buffers
BindWaveBuffer(_combineMaterial[lodIdx], false);
// Bind this LOD data (displacements). Option to disable the combine pass - very useful debugging feature.
if (_shapeCombinePass)
{
BindResultData(_combineMaterial[lodIdx]);
}
else
{
BindNull(_combineMaterial[lodIdx]);
}
// Dynamic waves
if (OceanRenderer.Instance._lodDataDynWaves)
{
OceanRenderer.Instance._lodDataDynWaves.BindCopySettings(_combineMaterial[lodIdx]);
OceanRenderer.Instance._lodDataDynWaves.BindResultData(_combineMaterial[lodIdx]);
}
else
{
LodDataMgrDynWaves.BindNull(_combineMaterial[lodIdx]);
}
// Flow
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(_combineMaterial[lodIdx]);
}
else
{
LodDataMgrFlow.BindNull(_combineMaterial[lodIdx]);
}
_combineMaterial[lodIdx].SetInt(sp_LD_SliceIndex, lodIdx);
// Combine this LOD's waves with waves from the LODs above into auxiliary combine buffer
buf.SetRenderTarget(_combineBuffer);
buf.DrawProcedural(Matrix4x4.identity, _combineMaterial[lodIdx].material, shaderPassCombineIntoAux, MeshTopology.Triangles, 3);
// Copy combine buffer back to lod texture array
buf.SetRenderTarget(_targets, 0, CubemapFace.Unknown, lodIdx);
_combineMaterial[lodIdx].SetTexture(Shader.PropertyToID("_CombineBuffer"), _combineBuffer);
buf.DrawProcedural(Matrix4x4.identity, _combineMaterial[lodIdx].material, shaderPassCopyResultBack, MeshTopology.Triangles, 3);
}
}
protected override void BindInputsAndOutputs(PropertyWrapperComputeStandalone wrapper, ComputeBuffer resultsBuffer)
{
if (OceanRenderer.Instance._lodDataFlow != null)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(wrapper);
ShaderProcessQueries.SetTexture(_kernelHandle, sp_LD_TexArray_Flow, OceanRenderer.Instance._lodDataFlow.DataTexture);
}
else
{
LodDataMgrFlow.BindNull(wrapper);
}
ShaderProcessQueries.SetBuffer(_kernelHandle, sp_ResultFlows, resultsBuffer);
}
// Called when visible to a camera
void OnWillRenderObject()
{
if (OceanRenderer.Instance == null || Rend == null)
{
return;
}
// check if built-in pipeline being used
if (Camera.current != null)
{
_currentCamera = Camera.current;
}
// Depth texture is used by ocean shader for transparency/depth fog, and for fading out foam at shoreline.
_currentCamera.depthTextureMode |= DepthTextureMode.Depth;
if (Rend.sharedMaterial != OceanRenderer.Instance.OceanMaterial)
{
Rend.sharedMaterial = OceanRenderer.Instance.OceanMaterial;
}
// per instance data
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
Rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// blend LOD 0 shape in/out to avoid pop, if the ocean might scale up later (it is smaller than its maximum scale)
var needToBlendOutShape = _lodIndex == 0 && OceanRenderer.Instance.ScaleCouldIncrease;
var meshScaleLerp = needToBlendOutShape ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 0f;
// blend furthest normals scale in/out to avoid pop, if scale could reduce
var needToBlendOutNormals = _lodIndex == _totalLodCount - 1 && OceanRenderer.Instance.ScaleCouldDecrease;
var farNormalsWeight = needToBlendOutNormals ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 1f;
_mpb.SetVector(sp_InstanceData, new Vector3(meshScaleLerp, farNormalsWeight, _lodIndex));
// geometry data
// compute grid size of geometry. take the long way to get there - make sure we land exactly on a power of two
// and not inherit any of the lossy-ness from lossyScale.
var scale_pow_2 = OceanRenderer.Instance.CalcLodScale(_lodIndex);
var gridSizeGeo = scale_pow_2 / (0.25f * _lodDataResolution / _geoDownSampleFactor);
var gridSizeLodData = gridSizeGeo / _geoDownSampleFactor;
var mul = 1.875f; // fudge 1
var pow = 1.4f; // fudge 2
var normalScrollSpeed0 = Mathf.Pow(Mathf.Log(1f + 2f * gridSizeLodData) * mul, pow);
var normalScrollSpeed1 = Mathf.Pow(Mathf.Log(1f + 4f * gridSizeLodData) * mul, pow);
_mpb.SetVector(sp_GeomData, new Vector4(gridSizeLodData, gridSizeGeo, normalScrollSpeed0, normalScrollSpeed1));
// Assign LOD data to ocean shader
var ldaws = OceanRenderer.Instance._lodDataAnimWaves;
var ldsds = OceanRenderer.Instance._lodDataSeaDepths;
var ldclip = OceanRenderer.Instance._lodDataClipSurface;
var ldfoam = OceanRenderer.Instance._lodDataFoam;
var ldflow = OceanRenderer.Instance._lodDataFlow;
var ldshadows = OceanRenderer.Instance._lodDataShadow;
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, _lodIndex);
if (ldaws != null)
{
ldaws.BindResultData(_mpb);
}
if (ldflow != null)
{
ldflow.BindResultData(_mpb);
}
else
{
LodDataMgrFlow.BindNull(_mpb);
}
if (ldfoam != null)
{
ldfoam.BindResultData(_mpb);
}
else
{
LodDataMgrFoam.BindNull(_mpb);
}
if (ldsds != null)
{
ldsds.BindResultData(_mpb);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(_mpb);
}
if (ldclip != null)
{
ldclip.BindResultData(_mpb);
}
else
{
LodDataMgrClipSurface.BindNull(_mpb);
}
if (ldshadows != null)
{
ldshadows.BindResultData(_mpb);
}
else
{
LodDataMgrShadow.BindNull(_mpb);
}
var reflTex = PreparedReflections.GetRenderTexture(_currentCamera.GetHashCode());
if (reflTex)
{
_mpb.SetTexture(sp_ReflectionTex, reflTex);
}
else
{
_mpb.SetTexture(sp_ReflectionTex, Texture2D.blackTexture);
}
// Hack - due to SV_IsFrontFace occasionally coming through as true for back faces,
// add a param here that forces ocean to be in underwater state. I think the root
// cause here might be imprecision or numerical issues at ocean tile boundaries, although
// i'm not sure why cracks are not visible in this case.
var heightOffset = OceanRenderer.Instance.ViewerHeightAboveWater;
_mpb.SetFloat(sp_ForceUnderwater, heightOffset < -2f ? 1f : 0f);
Rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
public override void BuildCommandBuffer(OceanRenderer ocean, CommandBuffer buf)
{
base.BuildCommandBuffer(ocean, buf);
var lodCount = OceanRenderer.Instance.CurrentLodCount;
// lod-dependent data
_filterWavelength._lodCount = lodCount;
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(_waveBuffers, 0, CubemapFace.Unknown, lodIdx);
buf.ClearRenderTarget(false, true, Color.black);
foreach (var gerstner in _gerstnerComponents)
{
gerstner.BuildCommandBuffer(lodIdx, ocean, buf);
}
// draw any data with lod preference
_filterWavelength._lodIdx = lodIdx;
_filterWavelength._lodMaxWavelength = OceanRenderer.Instance._lodTransform.MaxWavelength(lodIdx);
_filterWavelength._lodMinWavelength = _filterWavelength._lodMaxWavelength / 2f;
SubmitDrawsFiltered(lodIdx, buf, _filterWavelength);
}
int combineShaderKernel = krnl_ShapeCombine;
int combineShaderKernel_lastLOD = krnl_ShapeCombine_DISABLE_COMBINE;
{
bool isFlowOn = OceanRenderer.Instance._lodDataFlow != null;
bool isDynWavesOn = OceanRenderer.Instance._lodDataDynWaves != null;
// set the shader kernels that we will use.
if (isFlowOn && isDynWavesOn)
{
combineShaderKernel = krnl_ShapeCombine_FLOW_ON_DYNAMIC_WAVE_SIM_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_FLOW_ON_DYNAMIC_WAVE_SIM_ON_DISABLE_COMBINE;
}
else if (isFlowOn)
{
combineShaderKernel = krnl_ShapeCombine_FLOW_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_FLOW_ON_DISABLE_COMBINE;
}
else if (isDynWavesOn)
{
combineShaderKernel = krnl_ShapeCombine_DYNAMIC_WAVE_SIM_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_DYNAMIC_WAVE_SIM_ON_DISABLE_COMBINE;
}
}
// combine waves
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
int selectedShaderKernel;
if (lodIdx < lodCount - 1 && _shapeCombinePass)
{
selectedShaderKernel = combineShaderKernel;
}
else
{
selectedShaderKernel = combineShaderKernel_lastLOD;
}
_combineProperties.Initialise(buf, _combineShader, selectedShaderKernel);
BindWaveBuffer(_combineProperties);
BindResultData(_combineProperties);
// dynamic waves
if (OceanRenderer.Instance._lodDataDynWaves)
{
OceanRenderer.Instance._lodDataDynWaves.BindCopySettings(_combineProperties);
OceanRenderer.Instance._lodDataDynWaves.BindResultData(_combineProperties);
}
else
{
LodDataMgrDynWaves.BindNull(_combineProperties);
}
// flow
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(_combineProperties);
}
else
{
LodDataMgrFlow.BindNull(_combineProperties);
}
// Set the animated waves texture where the results will be combined.
_combineProperties.SetTexture(
sp_LD_TexArray_AnimatedWaves_Compute,
DataTexture
);
_combineProperties.SetFloat(OceanRenderer.sp_LD_SliceIndex, lodIdx);
_combineProperties.DispatchShader();
}
// lod-independent data
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(_targets, 0, CubemapFace.Unknown, lodIdx);
// draw any data that did not express a preference for one lod or another
SubmitDrawsFiltered(lodIdx, buf, _filterNoLodPreference);
}
}
void CombinePassCompute(CommandBuffer buf)
{
var lodCount = OceanRenderer.Instance.CurrentLodCount;
int combineShaderKernel = krnl_ShapeCombine;
int combineShaderKernel_lastLOD = krnl_ShapeCombine_DISABLE_COMBINE;
{
bool isFlowOn = OceanRenderer.Instance._lodDataFlow != null;
bool isDynWavesOn = OceanRenderer.Instance._lodDataDynWaves != null;
// set the shader kernels that we will use.
if (isFlowOn && isDynWavesOn)
{
combineShaderKernel = krnl_ShapeCombine_FLOW_ON_DYNAMIC_WAVE_SIM_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_FLOW_ON_DYNAMIC_WAVE_SIM_ON_DISABLE_COMBINE;
}
else if (isFlowOn)
{
combineShaderKernel = krnl_ShapeCombine_FLOW_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_FLOW_ON_DISABLE_COMBINE;
}
else if (isDynWavesOn)
{
combineShaderKernel = krnl_ShapeCombine_DYNAMIC_WAVE_SIM_ON;
combineShaderKernel_lastLOD = krnl_ShapeCombine_DYNAMIC_WAVE_SIM_ON_DISABLE_COMBINE;
}
}
// combine waves
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
int selectedShaderKernel;
if (lodIdx < lodCount - 1 && _shapeCombinePass)
{
selectedShaderKernel = combineShaderKernel;
}
else
{
selectedShaderKernel = combineShaderKernel_lastLOD;
}
_combineProperties.Initialise(buf, _combineShader, selectedShaderKernel);
// The per-octave wave buffers
BindWaveBuffer(_combineProperties);
// Bind this LOD data (displacements)
BindResultData(_combineProperties);
// Dynamic waves
if (OceanRenderer.Instance._lodDataDynWaves)
{
OceanRenderer.Instance._lodDataDynWaves.BindCopySettings(_combineProperties);
OceanRenderer.Instance._lodDataDynWaves.BindResultData(_combineProperties);
}
else
{
LodDataMgrDynWaves.BindNull(_combineProperties);
}
// Flow
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(_combineProperties);
}
else
{
LodDataMgrFlow.BindNull(_combineProperties);
}
// Set the animated waves texture where the results will be combined.
_combineProperties.SetTexture(
sp_LD_TexArray_AnimatedWaves_Compute,
DataTexture
);
_combineProperties.SetInt(sp_LD_SliceIndex, lodIdx);
_combineProperties.DispatchShader();
}
}
public override void BuildCommandBuffer(OceanRenderer ocean, CommandBuffer buf)
{
base.BuildCommandBuffer(ocean, buf);
var lodCount = OceanRenderer.Instance.CurrentLodCount;
// lod-dependent data
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(_waveBuffers[lodIdx]);
buf.ClearRenderTarget(false, true, Color.black);
foreach (var gerstner in _gerstnerComponents)
{
gerstner.BuildCommandBuffer(lodIdx, ocean, buf);
}
// draw any data with lod preference
var lodMaxWavelength = OceanRenderer.Instance._lods[lodIdx].MaxWavelength();
var lodMinWavelength = lodMaxWavelength / 2f;
DrawFilter filter = (data) =>
{
var drawOctaveWavelength = (data as RegisterAnimWavesInput).OctaveWavelength;
return(lodMinWavelength <= drawOctaveWavelength && drawOctaveWavelength < lodMaxWavelength);
};
SubmitDrawsFiltered(lodIdx, buf, filter);
}
// combine waves
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
// this lod data
BindWaveBuffer(lodIdx, 0, _combineMaterial[lodIdx], false);
// combine data from next larger lod into this one
if (lodIdx < lodCount - 1 && _shapeCombinePass)
{
BindResultData(lodIdx + 1, 1, _combineMaterial[lodIdx]);
}
else
{
// this binds black texture
BindWaveBuffer(lodIdx, 1, _combineMaterial[lodIdx], true);
}
// dynamic waves
if (OceanRenderer.Instance._lodDataDynWaves)
{
OceanRenderer.Instance._lodDataDynWaves.BindCopySettings(_combineMaterial[lodIdx]);
OceanRenderer.Instance._lodDataDynWaves.BindResultData(lodIdx, 0, _combineMaterial[lodIdx]);
}
else
{
LodDataMgrDynWaves.BindNull(0, _combineMaterial[lodIdx]);
}
// flow
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(lodIdx, 0, _combineMaterial[lodIdx]);
}
else
{
LodDataMgrFlow.BindNull(0, _combineMaterial[lodIdx]);
}
buf.Blit(null, DataTexture(lodIdx), _combineMaterial[lodIdx]);
}
// lod-independent data
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(DataTexture(lodIdx));
// draw any data that did not express a preference for one lod or another
DrawFilter filter = (data) =>
{
return((data as RegisterAnimWavesInput).OctaveWavelength == 0f);
};
SubmitDrawsFiltered(lodIdx, buf, filter);
}
}
public override void BuildCommandBuffer(OceanRenderer ocean, CommandBuffer buf)
{
base.BuildCommandBuffer(ocean, buf);
var lodCount = OceanRenderer.Instance.CurrentLodCount;
// lod-dependent data
_filterWavelength._lodCount = lodCount;
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(_waveBuffers[lodIdx]);
buf.ClearRenderTarget(false, true, Color.black);
foreach (var gerstner in _gerstnerComponents)
{
gerstner.BuildCommandBuffer(lodIdx, ocean, buf);
}
// draw any data with lod preference
_filterWavelength._lodIdx = lodIdx;
_filterWavelength._lodMaxWavelength = OceanRenderer.Instance._lods[lodIdx].MaxWavelength();
_filterWavelength._lodMinWavelength = _filterWavelength._lodMaxWavelength / 2f;
SubmitDrawsFiltered(lodIdx, buf, _filterWavelength);
}
// combine waves
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
// this lod data
BindWaveBuffer(lodIdx, 0, _combineProperties[lodIdx], false);
// combine data from next larger lod into this one
if (lodIdx < lodCount - 1 && _shapeCombinePass)
{
BindResultData(lodIdx + 1, 1, _combineProperties[lodIdx]);
}
else
{
// this binds black texture
BindWaveBuffer(lodIdx, 1, _combineProperties[lodIdx], true);
}
// dynamic waves
if (OceanRenderer.Instance._lodDataDynWaves)
{
OceanRenderer.Instance._lodDataDynWaves.BindCopySettings(_combineProperties[lodIdx]);
OceanRenderer.Instance._lodDataDynWaves.BindResultData(lodIdx, 0, _combineProperties[lodIdx]);
}
else
{
LodDataMgrDynWaves.BindNull(0, _combineProperties[lodIdx]);
}
// flow
if (OceanRenderer.Instance._lodDataFlow)
{
OceanRenderer.Instance._lodDataFlow.BindResultData(lodIdx, 0, _combineProperties[lodIdx]);
}
else
{
LodDataMgrFlow.BindNull(0, _combineProperties[lodIdx]);
}
buf.SetRenderTarget(DataTexture(lodIdx));
buf.DrawProcedural(Matrix4x4.identity, _combineMaterial, 0, MeshTopology.Triangles, 3, 1, _combineProperties[lodIdx].materialPropertyBlock);
}
// lod-independent data
for (int lodIdx = lodCount - 1; lodIdx >= 0; lodIdx--)
{
buf.SetRenderTarget(DataTexture(lodIdx));
// draw any data that did not express a preference for one lod or another
SubmitDrawsFiltered(lodIdx, buf, _filterNoLodPreference);
}
}