94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#include "PostFxMaterialShader.h"
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#include "MaterialParams.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Graphics/GPUContext.h"
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#include "Engine/Graphics/GPUDevice.h"
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#include "Engine/Graphics/RenderTask.h"
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#include "Engine/Graphics/Shaders/GPUShader.h"
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#include "Engine/Graphics/RenderView.h"
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#include "Engine/Graphics/Shaders/GPUConstantBuffer.h"
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#include "Engine/Renderer/DrawCall.h"
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PACK_STRUCT(struct PostFxMaterialShaderData {
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Matrix ViewMatrix;
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Float3 ViewPos;
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float ViewFar;
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Float3 ViewDir;
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float TimeParam;
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Float4 ViewInfo;
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Float4 ScreenSize;
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Float4 TemporalAAJitter;
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Matrix InverseViewProjectionMatrix;
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});
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void PostFxMaterialShader::Bind(BindParameters& params)
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{
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// Prepare
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auto context = params.GPUContext;
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auto& view = params.RenderContext.View;
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Span<byte> cb(_cbData.Get(), _cbData.Count());
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ASSERT_LOW_LAYER(cb.Length() >= sizeof(PostFxMaterialShaderData));
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auto materialData = reinterpret_cast<PostFxMaterialShaderData*>(cb.Get());
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cb = cb.Slice(sizeof(PostFxMaterialShaderData));
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int32 srv = 0;
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// Setup parameters
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MaterialParameter::BindMeta bindMeta;
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bindMeta.Context = context;
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bindMeta.Constants = cb;
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bindMeta.Input = params.Input;
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bindMeta.Buffers = params.RenderContext.Buffers;
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bindMeta.CanSampleDepth = true;
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bindMeta.CanSampleGBuffer = true;
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MaterialParams::Bind(params.ParamsLink, bindMeta);
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// Setup material constants
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{
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Matrix::Transpose(view.View, materialData->ViewMatrix);
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Matrix::Transpose(view.IVP, materialData->InverseViewProjectionMatrix);
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materialData->ViewPos = view.Position;
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materialData->ViewFar = view.Far;
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materialData->ViewDir = view.Direction;
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materialData->TimeParam = params.UnscaledTimeParam;
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materialData->ViewInfo = view.ViewInfo;
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materialData->ScreenSize = view.ScreenSize;
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materialData->TemporalAAJitter = view.TemporalAAJitter;
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}
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// Bind constants
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if (_cb)
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{
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context->UpdateCB(_cb, _cbData.Get());
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context->BindCB(0, _cb);
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}
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// Bind pipeline
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context->SetState(_cache.Default);
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}
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void PostFxMaterialShader::Unload()
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{
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// Base
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MaterialShader::Unload();
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_cache.Release();
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}
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bool PostFxMaterialShader::Load()
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{
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// PostFx material uses 'PS_PostFx' pixel shader and default simple shared quad vertex shader
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GPUPipelineState::Description psDesc0 = GPUPipelineState::Description::DefaultFullscreenTriangle;
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psDesc0.VS = GPUDevice::Instance->QuadShader->GetVS("VS_PostFx");
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psDesc0.PS = _shader->GetPS("PS_PostFx");
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_cache.Default = GPUDevice::Instance->CreatePipelineState();
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if (_cache.Default->Init(psDesc0))
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{
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LOG(Warning, "Failed to create postFx material pipeline state.");
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return true;
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}
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return false;
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}
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