public void ReCreateCBuffer(CRenderContext rc, CGfxEffect effect, bool FlushVars)
{
if (effect.CacheData.PerInstanceId != UInt32.MaxValue)
{
bool recreateCB = false;
if (mCBuffer != null)
{
var desc = new CConstantBufferDesc();
effect.ShaderProgram.GetCBufferDesc(effect.CacheData.PerInstanceId, ref desc);
if (mCBuffer.Size != desc.Size)
{
recreateCB = true;
}
else
{
recreateCB = !mCBuffer.IsSameVars(effect.ShaderProgram, effect.CacheData.PerInstanceId);
}
}
else
{
recreateCB = true;
}
if (recreateCB)
{
mCBuffer = rc.CreateConstantBuffer(effect.ShaderProgram, effect.CacheData.PerInstanceId);
MtlInst.SetCBufferVars(CBuffer);
}
else if (FlushVars)
{
MtlInst.SetCBufferVars(CBuffer);
}
}
}
public void UpdateMaterialCBuffer(CRenderContext rc, bool createCBuffer)
{
var cbIndex = mEffect.ShaderProgram.FindCBuffer("cbPerInstance");
if ((int)cbIndex >= 0)
{
if (createCBuffer || mCBuffer == null)
{
mCBuffer?.Cleanup();
mCBuffer = rc.CreateConstantBuffer(mEffect.ShaderProgram, cbIndex);
}
else
{
var cbDesc = new CConstantBufferDesc();
if (mEffect.ShaderProgram.GetCBufferDesc(cbIndex, ref cbDesc))
{
if (mCBuffer.Size != cbDesc.Size)
{
Profiler.Log.WriteLine(Profiler.ELogTag.Warning, "Material", $"{mEffect.Desc.Material.Name} CBuffer size is invalid, recreate it");
mCBuffer?.Cleanup();
mCBuffer = rc.CreateConstantBuffer(mEffect.ShaderProgram, cbIndex);
}
}
}
mWorldMatrixId = mCBuffer.FindVar("WorldMatrix");
mWorldViewProjectionMatrixId = mCBuffer.FindVar("WorldViewProjectionMatrix");
Material.SetCBufferVars(mCBuffer);
//for (UInt32 i = 0; i < Material.VarNumber; i++)
//{
// var name = Material.GetVarName(i, false);
// var varIdx = mCBuffer.FindVar(name);
// CGfxVar varDesc = new CGfxVar();
// Material.GetVarDesc(i, ref varDesc);
// ConstantVarDesc varDesc2 = new ConstantVarDesc();
// var ret = mCBuffer.GetVarDesc(varIdx, ref varDesc2);
// if (false == ret)
// continue;
// if (varDesc.Type != varDesc2.Type || varDesc.Elements != varDesc2.Elements)
// {
// Profiler.Log.WriteLine(Profiler.ELogTag.Warning, "ShaderVar", $"MaterialInstance Var {varDesc.Type} don't match CBuffer Var {varDesc2.Type}");
// continue;
// }
// for (UInt32 j = 0; j < varDesc.Elements; j++)
// {
// switch (varDesc.Type)
// {
// case EShaderVarType.SVT_Float1:
// {
// float value = 0;
// Material.GetVarValue(i, j, ref value);
// mCBuffer.SetValue(varIdx, value, j);
// }
// break;
// case EShaderVarType.SVT_Float2:
// {
// Vector2 value = new Vector2();
// Material.GetVarValue(i, j, ref value);
// mCBuffer.SetValue(varIdx, value, j);
// }
// break;
// case EShaderVarType.SVT_Float3:
// {
// Vector3 value = new Vector3();
// Material.GetVarValue(i, j, ref value);
// mCBuffer.SetValue(varIdx, value, j);
// }
// break;
// case EShaderVarType.SVT_Float4:
// {
// Vector4 value = new Vector4();
// Material.GetVarValue(i, j, ref value);
// mCBuffer.SetValue(varIdx, value, j);
// }
// break;
// case EShaderVarType.SVT_Matrix4x4:
// {
// Matrix value = new Matrix();
// Material.GetVarValue(i, j, ref value);
// mCBuffer.SetValue(varIdx, value, j);
// }
// break;
// default:
// break;
// }
// }
//}
}
}
public void DrawScene(CRenderContext rc, CCommandList cmd, Graphics.CGfxCamera Camera, Graphics.View.CGfxSceneView view)
{
if (EnableDraw == false)
{
return;
}
if (mNeedUpdateGpuBuffer)
{
mNeedUpdateGpuBuffer = false;
UpdateGpuBuffer(rc, cmd, Camera);
}
var program = mPass.Effect.ShaderProgram;
if (UseComputeShader == false)
{
UpdateIndexBufferCPU(cmd, Camera);
}
else
{
ComputeDispatch(rc, cmd, Camera);
}
if (UseVTF)
{
CTextureBindInfo tbInfo = new CTextureBindInfo();
if (program.FindTextureBindInfo(null, "gVertexTexture", ref tbInfo))
{
mPass.ShaderResources.VSBindTexture(tbInfo.VSBindPoint, mVertexTextureView);
}
if (program.FindTextureBindInfo(null, "gInstanceDataTexture", ref tbInfo))
{
mPass.ShaderResources.VSBindTexture(tbInfo.VSBindPoint, mInstanceDataTextureView);
}
var spInfo = new CSamplerBindInfo();
if (program.FindSamplerBindInfo(null, "Samp_gVertexTexture", ref spInfo))
{
mPass.ShaderSamplerBinder.VSBindSampler(spInfo.VSBindPoint, mSamplerState);
}
if (program.FindSamplerBindInfo(null, "Samp_gInstanceDataTexture", ref spInfo))
{
mPass.ShaderSamplerBinder.VSBindSampler(spInfo.VSBindPoint, mSamplerState);
}
}
else
{
//CTextureBindInfo tbInfo = new CTextureBindInfo();
//if(program.FindTextureBindInfo(null, "AllVertexArray", ref tbInfo))
//{
// mPass.ShaderResources.VSBindTexture(tbInfo.VSBindPoint, mAllVertexSRV);
//}
//if (program.FindTextureBindInfo(null, "MeshInstanceArray", ref tbInfo))
//{
// mPass.ShaderResources.VSBindTexture(tbInfo.VSBindPoint, mMeshInstanceSRV);
//}
mPass.ShaderResources.VSBindTexture(14, mAllVertexSRV);
mPass.ShaderResources.VSBindTexture(13, mMeshInstanceSRV);
}
CConstantBufferDesc cbInfo = new CConstantBufferDesc();
if (mCBMeshBatch != null && program.GetCBufferDesc(program.FindCBuffer("cbMeshBatch"), ref cbInfo))
{
mPass.BindCBufferVS(cbInfo.VSBindPoint, mCBMeshBatch);
}
mPass.ViewPort = Camera.SceneView.Viewport;
mPass.BindCBuffer(mPass.Effect.ShaderProgram, mPass.Effect.CacheData.CBID_Camera, Camera.CBuffer);
if (view != null)
{
mPass.BindCBuffer(mPass.Effect.ShaderProgram, mPass.Effect.CacheData.CBID_View, view.SceneViewCB);
}
//mPass.ViewPort = view.Viewport;
if (UseComputeShader == false)
{
mPass.AttachIndexBuffer = mCpuDrawIndexBuffer;
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = mDrawArgs.IndexCountPerInstance / 3;
mPass.GeometryMesh.SetAtom(0, 0, ref dpDesc);
}
else
{
mPass.AttachIndexBuffer = mDrawIndexBuffer;
mPass.SetIndirectDraw(bufferIndirectDrawArgs, 0);
}
cmd.PushPass(mPass);
}
