public async Task <float[]> Generate(Mesh mesh, string outBufferName, int outBufferStrideInFloat, int outBufferCount, Dictionary <string, ComputeBuffer> additionalComputeBuffers = null, bool meshMustbeUniquefied = true)
{
// UWAGA. Program shadera uruchamiany po raz dla każdego trójkąta
if (meshMustbeUniquefied)
{
Preconditions.Assert(mesh.vertices.Length == mesh.triangles.Length,
$"Vertices count (${mesh.vertices.Length}) is not equal to triangles array count (${mesh.triangles.Length}). Vertices are most propably shared. Uniquefy them!");
}
if (additionalComputeBuffers == null)
{
additionalComputeBuffers = new Dictionary <string, ComputeBuffer>();
}
var parametersContainer = new ComputeShaderParametersContainer();
MultistepComputeShader barycentricGeneratorShader =
new MultistepComputeShader(ComputeShaderUtils.LoadComputeShader(_shaderName), new IntVector2(mesh.triangles.Length / 3, 1));
var kernel = barycentricGeneratorShader.AddKernel("CS_Main");
var allKernels = new List <MyKernelHandle>()
{
kernel
};
var triangleBufferTemplate = parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
BufferData = mesh.triangles,
Count = mesh.triangles.Length,
Stride = sizeof(int),
Type = ComputeBufferType.Default
});
barycentricGeneratorShader.SetBuffer("Triangles", triangleBufferTemplate, allKernels);
var vertexBufferTemplate = parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
BufferData = mesh.vertices,
Count = mesh.vertices.Length,
Stride = sizeof(float) * 3,
Type = ComputeBufferType.Default
});
barycentricGeneratorShader.SetBuffer("Vertices", vertexBufferTemplate, allKernels);
var normalsBufferTemplate = parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
BufferData = mesh.normals,
Count = mesh.normals.Length,
Stride = sizeof(float) * 3,
Type = ComputeBufferType.Default
});
barycentricGeneratorShader.SetBuffer("Normals", normalsBufferTemplate, allKernels);
var outBarycentricBufferTemplate = parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
Count = outBufferCount,
Stride = sizeof(float) * outBufferStrideInFloat,
Type = ComputeBufferType.Default
});
barycentricGeneratorShader.SetBuffer(outBufferName, outBarycentricBufferTemplate, allKernels);
foreach (var pair in additionalComputeBuffers)
{
var id = parametersContainer.AddExistingComputeBuffer(pair.Value);
barycentricGeneratorShader.SetBuffer(pair.Key, id, allKernels);
}
ComputeBufferRequestedOutParameters outParameters = new ComputeBufferRequestedOutParameters(new List <MyComputeBufferId> {
outBarycentricBufferTemplate
});
await _shaderExecutorObject.AddOrder(new ComputeShaderOrder()
{
ParametersContainer = parametersContainer,
OutParameters = outParameters,
WorkPacks = new List <ComputeShaderWorkPack>()
{
new ComputeShaderWorkPack()
{
Shader = barycentricGeneratorShader,
DispatchLoops = new List <ComputeShaderDispatchLoop>()
{
new ComputeShaderDispatchLoop()
{
DispatchCount = 1,
KernelHandles = allKernels
}
}
},
}
});
DebugCheckVariables.Check(outParameters);
float[] outArray = new float[outBufferStrideInFloat * outBufferCount];
outParameters.CreatedBuffers[outBarycentricBufferTemplate].GetData(outArray);
return(outArray);
}
private void GenerateShaderOrderTemplates(ComputeBuffer ePyramidPerFrameParametersBuffer, ComputeBuffer ePyramidConfigurationBuffer,
Texture heightmapArray)
{
_localeBufferUpdaterShaderOrderGenerator = (ordersCount, travellerPositionWorldSpace) =>
{
MultistepComputeShader localeBufferUpdateShader = new MultistepComputeShader(_eTerrainComputeShader, new IntVector2(ordersCount, 1));
ComputeShaderParametersContainer parametersContainer = new ComputeShaderParametersContainer()
{
};
var scopesUpdateOrdersBufferId = parametersContainer.AddExistingComputeBuffer(_scopesUpdateOrdersBuffer);
var ePropLocalBufferId = parametersContainer.AddExistingComputeBuffer(_ePropLocaleBuffer);
var ePropIdsBuffer = parametersContainer.AddExistingComputeBuffer(_ePropIdsBuffer);
var kernel = localeBufferUpdateShader.AddKernel("CSETerrain_LocaleBufferUpdater");
var kernelHandles = new List <MyKernelHandle>()
{
kernel
};
localeBufferUpdateShader.SetBuffer("_ScopesUpdateOrdersBuffer", scopesUpdateOrdersBufferId, kernelHandles);
localeBufferUpdateShader.SetBuffer("_EPropLocaleBuffer", ePropLocalBufferId, kernelHandles);
localeBufferUpdateShader.SetBuffer("_EPropIdsBuffer", ePropIdsBuffer, kernelHandles);
var ePyramidPerFrameParametersBufferId = parametersContainer.AddExistingComputeBuffer(ePyramidPerFrameParametersBuffer);
localeBufferUpdateShader.SetBuffer("_EPyramidPerFrameConfigurationBuffer", ePyramidPerFrameParametersBufferId, kernelHandles);
var ePyramidConfigurationBufferId = parametersContainer.AddExistingComputeBuffer(ePyramidConfigurationBuffer);
localeBufferUpdateShader.SetBuffer("_EPyramidConfigurationBuffer", ePyramidConfigurationBufferId, kernelHandles);
localeBufferUpdateShader.SetGlobalUniform("g_ringsPerLevelCount", _constantPyramidParameters.RingsPerLevelCount);
localeBufferUpdateShader.SetGlobalUniform("g_levelsCount", _constantPyramidParameters.LevelsCount);
localeBufferUpdateShader.SetGlobalUniform("g_ScopeLength", _configuration.ScopeLength);
localeBufferUpdateShader.SetGlobalUniform("g_heightScale", _constantPyramidParameters.HeightScale);
var mapId = parametersContainer.AddExistingComputeShaderTexture(heightmapArray);
localeBufferUpdateShader.SetTexture($"_HeightMap", mapId, kernelHandles); //todo parametrize HeightMap name
localeBufferUpdateShader.SetGlobalUniform("g_travellerPositionWorldSpace", travellerPositionWorldSpace);
return(_shaderExecutorObject.AddOrder(new ComputeShaderOrder()
{
OutParameters = new ComputeBufferRequestedOutParameters(),
ParametersContainer = parametersContainer,
WorkPacks = new List <ComputeShaderWorkPack>()
{
new ComputeShaderWorkPack()
{
DispatchLoops = new List <ComputeShaderDispatchLoop>()
{
new ComputeShaderDispatchLoop()
{
DispatchCount = 1,
KernelHandles = kernelHandles
}
},
Shader = localeBufferUpdateShader
}
}
}));
};
_localesCopyShaderOrderGenerator = (ordersCount) =>
{
MultistepComputeShader localeBufferUpdateShader =
new MultistepComputeShader(_eTerrainComputeShader, new IntVector2(ordersCount, 1));
ComputeShaderParametersContainer parametersContainer = new ComputeShaderParametersContainer()
{
};
var localesCopyOrdersBufferId = parametersContainer.AddExistingComputeBuffer(_localesCopyOrdersBuffer);
var ePropLocalBufferId = parametersContainer.AddExistingComputeBuffer(_ePropLocaleBuffer);
var ePropIdsBuffer = parametersContainer.AddExistingComputeBuffer(_ePropIdsBuffer);
var kernel = localeBufferUpdateShader.AddKernel("CSETerrain_LocalesCopy");
var kernelHandles = new List <MyKernelHandle>()
{
kernel
};
localeBufferUpdateShader.SetBuffer("_LocalesCopyOrdersBuffer", localesCopyOrdersBufferId, kernelHandles);
localeBufferUpdateShader.SetBuffer("_EPropLocaleBuffer", ePropLocalBufferId, kernelHandles);
localeBufferUpdateShader.SetBuffer("_EPropIdsBuffer", ePropIdsBuffer, kernelHandles);
localeBufferUpdateShader.SetGlobalUniform("g_ringsPerLevelCount", _constantPyramidParameters.RingsPerLevelCount);
localeBufferUpdateShader.SetGlobalUniform("g_levelsCount", _constantPyramidParameters.LevelsCount);
localeBufferUpdateShader.SetGlobalUniform("g_ScopeLength", _configuration.ScopeLength);
localeBufferUpdateShader.SetGlobalUniform("g_heightScale", _constantPyramidParameters.HeightScale);
return(_shaderExecutorObject.AddOrder(new ComputeShaderOrder()
{
OutParameters = new ComputeBufferRequestedOutParameters(),
ParametersContainer = parametersContainer,
WorkPacks = new List <ComputeShaderWorkPack>()
{
new ComputeShaderWorkPack()
{
DispatchLoops = new List <ComputeShaderDispatchLoop>()
{
new ComputeShaderDispatchLoop()
{
DispatchCount = 1,
KernelHandles = kernelHandles
}
},
Shader = localeBufferUpdateShader
}
}
}));
};
_localeRecalculationShaderOrderGenerator = (ordersCount, travellerPositionWorldSpace) =>
{
MultistepComputeShader localeBufferUpdateShader =
new MultistepComputeShader(_eTerrainComputeShader, new IntVector2(ordersCount, 1));
ComputeShaderParametersContainer parametersContainer = new ComputeShaderParametersContainer()
{
};
var kernel = localeBufferUpdateShader.AddKernel("CSETerrain_LocaleRecalculate");
var scopesUpdateOrdersBufferId = parametersContainer.AddExistingComputeBuffer(_scopesUpdateOrdersBuffer);
var kernelHandles = new List <MyKernelHandle>()
{
kernel
};
localeBufferUpdateShader.SetBuffer("_ScopesUpdateOrdersBuffer", scopesUpdateOrdersBufferId, kernelHandles);
var ePropLocalBufferId = parametersContainer.AddExistingComputeBuffer(_ePropLocaleBuffer);
localeBufferUpdateShader.SetBuffer("_EPropLocaleBuffer", ePropLocalBufferId, kernelHandles);
var ePyramidPerFrameParametersBufferId = parametersContainer.AddExistingComputeBuffer(ePyramidPerFrameParametersBuffer);
localeBufferUpdateShader.SetBuffer("_EPyramidPerFrameConfigurationBuffer", ePyramidPerFrameParametersBufferId, kernelHandles);
var ePyramidConfigurationBufferId = parametersContainer.AddExistingComputeBuffer(ePyramidConfigurationBuffer);
localeBufferUpdateShader.SetBuffer("_EPyramidConfigurationBuffer", ePyramidConfigurationBufferId, kernelHandles);
var scopesToRecalculateBufferId = parametersContainer.AddExistingComputeBuffer(_scopesToRecalculateBuffer);
localeBufferUpdateShader.SetBuffer("_ScopesToRecalculateBuffer", scopesToRecalculateBufferId, kernelHandles);
localeBufferUpdateShader.SetGlobalUniform("g_ringsPerLevelCount", _constantPyramidParameters.RingsPerLevelCount);
localeBufferUpdateShader.SetGlobalUniform("g_levelsCount", _constantPyramidParameters.LevelsCount);
localeBufferUpdateShader.SetGlobalUniform("g_ScopeLength", _configuration.ScopeLength);
localeBufferUpdateShader.SetGlobalUniform("g_heightScale", _constantPyramidParameters.HeightScale);
var mapId = parametersContainer.AddExistingComputeShaderTexture(heightmapArray);
localeBufferUpdateShader.SetTexture($"_HeightMap", mapId, kernelHandles); //todo parametrize HeightMap name
localeBufferUpdateShader.SetGlobalUniform("g_travellerPositionWorldSpace", travellerPositionWorldSpace);
return(_shaderExecutorObject.AddOrder(new ComputeShaderOrder()
{
OutParameters = new ComputeBufferRequestedOutParameters(),
ParametersContainer = parametersContainer,
WorkPacks = new List <ComputeShaderWorkPack>()
{
new ComputeShaderWorkPack()
{
DispatchLoops = new List <ComputeShaderDispatchLoop>()
{
new ComputeShaderDispatchLoop()
{
DispatchCount = 1,
KernelHandles = kernelHandles
}
},
Shader = localeBufferUpdateShader
}
}
}));
};
}
