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Refactor material shaders generator to use modular features as extensions

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This commit is contained in:
Wojtek Figat
2021-02-04 10:43:04 +01:00
parent a560b19cbc
commit 2a3b6edf50
29 changed files with 877 additions and 711 deletions
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14
Source/Engine/Graphics/Materials/ForwardMaterialShader.cpp
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@@ -1,6 +1,7 @@
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
#include "ForwardMaterialShader.h"
#include "MaterialShaderFeatures.h"
#include "MaterialParams.h"
#include "Engine/Engine/Time.h"
#include "Engine/Graphics/GPULimits.h"
@@ -29,7 +30,6 @@ PACK_STRUCT(struct ForwardMaterialShaderData {
float TimeParam;
Vector4 ViewInfo;
Vector4 ScreenSize;
Rectangle LightmapArea;
Vector3 WorldInvScale;
float WorldDeterminantSign;
Vector2 Dummy0;
@@ -70,13 +70,22 @@ void ForwardMaterialShader::Bind(BindParameters& params)
auto& drawCall = *params.FirstDrawCall;
const auto cb0 = _shader->GetCB(0);
const bool hasCb0 = cb0 && cb0->GetSize() != 0;
ASSERT(hasCb0 && "TODO: fix it"); // TODO: always make cb pointer valid even if cb is missing
const auto cb1 = _shader->GetCB(1);
const bool hasCb1 = cb1 && cb1->GetSize() != 0;
byte* cb = _cb0Data.Get();
auto materialData = reinterpret_cast<ForwardMaterialShaderData*>(cb);
cb += sizeof(ForwardMaterialShaderData);
int32 srv = 0;
// Setup features
if (_info.TessellationMode != TessellationMethod::None)
TessellationFeature::Bind(params, cb, srv);
// Setup parameters
MaterialParameter::BindMeta bindMeta;
bindMeta.Context = context;
bindMeta.Buffer0 = hasCb0 ? _cb0Data.Get() + sizeof(ForwardMaterialShaderData) : nullptr;
bindMeta.Constants = cb;
bindMeta.Input = nullptr; // forward pass materials cannot sample scene color for now
bindMeta.Buffers = params.RenderContext.Buffers;
bindMeta.CanSampleDepth = GPUDevice::Instance->Limits.HasReadOnlyDepth;
@@ -93,7 +102,6 @@ void ForwardMaterialShader::Bind(BindParameters& params)
}
// Setup material constants data
const auto materialData = reinterpret_cast<ForwardMaterialShaderData*>(_cb0Data.Get());
if (hasCb0)
{
Matrix::Transpose(view.Frustum.GetMatrix(), materialData->ViewProjectionMatrix);