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);
}
}
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);
}
}