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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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32
Source/Engine/Graphics/Materials/DeferredMaterialShader.cpp
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@@ -1,6 +1,7 @@
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
#include "DeferredMaterialShader.h"
#include "MaterialShaderFeatures.h"
#include "MaterialParams.h"
#include "Engine/Graphics/RenderBuffers.h"
#include "Engine/Graphics/RenderView.h"
@@ -28,7 +29,6 @@ PACK_STRUCT(struct DeferredMaterialShaderData {
float TimeParam;
Vector4 ViewInfo;
Vector4 ScreenSize;
Rectangle LightmapArea;
Vector3 WorldInvScale;
float WorldDeterminantSign;
Vector2 Dummy0;
@@ -63,11 +63,21 @@ void DeferredMaterialShader::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
byte* cb = _cb0Data.Get();
auto materialData = reinterpret_cast<DeferredMaterialShaderData*>(cb);
cb += sizeof(DeferredMaterialShaderData);
int32 srv = 0;
// Setup features
if (_info.TessellationMode != TessellationMethod::None)
TessellationFeature::Bind(params, cb, srv);
const bool useLightmap = _info.BlendMode == MaterialBlendMode::Opaque && LightmapFeature::Bind(params, cb, srv);
// Setup parameters
MaterialParameter::BindMeta bindMeta;
bindMeta.Context = context;
bindMeta.Buffer0 = hasCb0 ? _cb0Data.Get() + sizeof(DeferredMaterialShaderData) : nullptr;
bindMeta.Constants = cb;
bindMeta.Input = nullptr;
bindMeta.Buffers = nullptr;
bindMeta.CanSampleDepth = false;
@@ -75,7 +85,6 @@ void DeferredMaterialShader::Bind(BindParameters& params)
MaterialParams::Bind(params.ParamsLink, bindMeta);
// Setup material constants data
auto materialData = reinterpret_cast<DeferredMaterialShaderData*>(_cb0Data.Get());
if (hasCb0)
{
Matrix::Transpose(view.Frustum.GetMatrix(), materialData->ViewProjectionMatrix);
@@ -107,23 +116,6 @@ void DeferredMaterialShader::Bind(BindParameters& params)
materialData->TemporalAAJitter = view.TemporalAAJitter;
materialData->GeometrySize = drawCall.Surface.GeometrySize;
}
const bool useLightmap = view.Flags & ViewFlags::GI
#if USE_EDITOR
&& EnableLightmapsUsage
#endif
&& drawCall.Surface.Lightmap != nullptr;
if (useLightmap)
{
// Bind lightmap textures
GPUTexture *lightmap0, *lightmap1, *lightmap2;
drawCall.Surface.Lightmap->GetTextures(&lightmap0, &lightmap1, &lightmap2);
context->BindSR(0, lightmap0);
context->BindSR(1, lightmap1);
context->BindSR(2, lightmap2);
// Set lightmap data
materialData->LightmapArea = drawCall.Surface.LightmapUVsArea;
}
// Check if is using mesh skinning
const bool useSkinning = drawCall.Surface.Skinning != nullptr;