public async System.Threading.Tasks.Task InitPass(CRenderContext rc, Graphics.CGfxMaterialInstance MtlInst = null, bool isSM3 = false)
{
if (rc == null)
{
rc = CEngine.Instance.RenderContext;
}
if (CRenderContext.ShaderModel >= 4)
{
UseComputeShader = true;
Profiler.Log.WriteLine(Profiler.ELogTag.Info, "Graphics", $"GpuDriven: SM = {CRenderContext.ShaderModel},Use ComputeShader");
}
else
{
UseComputeShader = false;
Profiler.Log.WriteLine(Profiler.ELogTag.Info, "Graphics", $"GpuDriven: SM = {CRenderContext.ShaderModel},CPU Culling");
}
if (rc.ContextCaps.MaxVertexShaderStorageBlocks == 0)
{
UseVTF = true;
Profiler.Log.WriteLine(Profiler.ELogTag.Info, "Graphics", $"GpuDriven: No SSBO in VertexShader,Use VTF");
}
else
{
UseVTF = false;
Profiler.Log.WriteLine(Profiler.ELogTag.Info, "Graphics", $"GpuDriven: Use SSBO in VertexShader");
}
if (mMergeInstanceSE == null)
{
mMergeInstanceSE = mMergeInstanceSE = EngineNS.CEngine.Instance.ShadingEnvManager.GetGfxShadingEnv <CGfxMergeInstanceSE>();
if (UseVTF)
{
mMergeInstanceSE.SetMacroDefineValue("ENV_USEVTF", "1");
}
else
{
mMergeInstanceSE.SetMacroDefineValue("ENV_USEVTF", "0");
}
}
if (MtlInst == null)
{
MtlInst = await CEngine.Instance.MaterialInstanceManager.GetMaterialInstanceAsync(rc, RName.GetRName("Material/defaultmaterial.instmtl"));
}
if (mPass == null)
{
var pass = rc.CreatePass();
var meshpri = CEngine.Instance.MeshPrimitivesManager.CreateMeshPrimitives(rc, 1);
EngineNS.Graphics.Mesh.CGfxMeshCooker.MakeRect3D(rc, meshpri);
//var meshpri = CEngine.Instance.MeshPrimitivesManager.GetMeshPrimitives(rc, CEngineDesc.ScreenAlignedTriangleName, true);
var ViewportMesh = CEngine.Instance.MeshManager.CreateMesh(rc, meshpri);
ViewportMesh.SetMaterialInstance(rc, 0, MtlInst,
CEngine.Instance.PrebuildPassData.DefaultShadingEnvs);
var affectLights = new List <GamePlay.SceneGraph.GSceneGraph.AffectLight>();
ViewportMesh.mMeshVars.SetPointLights(affectLights);
await pass.InitPassForViewportView(rc, mMergeInstanceSE, MtlInst, ViewportMesh);
mPass = pass;
var vsDesc = mPass.Effect.ShaderProgram.VertexShader.Desc;
var tbInfo = new CTextureBindInfo();
if (vsDesc.GetSRVDesc(vsDesc.FindSRVDesc("AllVertexArray"), ref tbInfo))
{
}
if (vsDesc.GetSRVDesc(vsDesc.FindSRVDesc("MeshInstanceArray"), ref tbInfo))
{
}
}
//const string CSVersion = "cs_5_0";
var macros = new CShaderDefinitions();
var shaderFile = RName.GetRName("Shaders/Compute/GpuDriven/Cluster.compute", RName.enRNameType.Engine);
mCS_MeshBatchDesc = rc.CreateShaderDesc(shaderFile, "CSMain_MeshBatch", EShaderType.EST_ComputeShader, macros, CIPlatform.Instance.PlatformType);
mCS_MeshBatch = rc.CreateComputeShader(mCS_MeshBatchDesc);
mCS_ClearBatchArgsDesc = rc.CreateShaderDesc(shaderFile, "CSMain_ClearBatchArgs", EShaderType.EST_ComputeShader, macros, CIPlatform.Instance.PlatformType);
mCS_ClearBatchArgs = rc.CreateComputeShader(mCS_ClearBatchArgsDesc);
var cbIndex = mCS_MeshBatchDesc.FindCBufferDesc("cbMeshBatch");
if (cbIndex != uint.MaxValue)
{
mCBMeshBatch = rc.CreateConstantBuffer(mCS_MeshBatchDesc, cbIndex);
}
}
