116 lines
2.6 KiB
C++
116 lines
2.6 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Singleton.h"
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#include "Engine/Core/Object.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Content/Assets/Shader.h"
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#include "Engine/Content/Assets/Texture.h"
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#include "Engine/Content/Assets/Model.h"
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#include "Engine/Graphics/GPUPipelineState.h"
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#include "Engine/Graphics/Shaders/GPUConstantBuffer.h"
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#include "Engine/Profiler/Profiler.h"
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#include "Config.h"
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class RendererUtils
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{
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public:
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static float TemporalHalton(int32 index, int32 base)
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{
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float result = 0.0f;
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const float invBase = 1.0f / base;
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float fraction = invBase;
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while (index > 0)
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{
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result += (index % base) * fraction;
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index /= base;
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fraction *= invBase;
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}
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return result;
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}
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};
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/// <summary>
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/// Base class for renderer components called render pass.
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/// Each render pass supports proper resources initialization and disposing.
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/// </summary>
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/// <seealso cref="Object" />
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class FLAXENGINE_API RendererPassBase : public Object
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{
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protected:
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bool _hasValidResources;
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/// <summary>
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/// Init
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/// </summary>
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RendererPassBase()
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{
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_hasValidResources = false;
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}
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public:
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/// <summary>
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/// Initialize service.
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/// </summary>
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virtual bool Init()
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{
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return false;
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}
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/// <summary>
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/// Cleanup service data.
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/// </summary>
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virtual void Dispose()
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{
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// Clear flag
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_hasValidResources = false;
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}
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/// <summary>
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/// Determines whether can render this pass. Checks if pass is ready and has valid resources loaded.
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/// </summary>
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/// <returns><c>true</c> if can render pass; otherwise, <c>false</c>.</returns>
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bool IsReady()
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{
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return !checkIfSkipPass();
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}
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protected:
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bool checkIfSkipPass()
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{
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if (_hasValidResources)
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return false;
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const bool setupFailed = setupResources();
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_hasValidResources = !setupFailed;
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return setupFailed;
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}
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void invalidateResources()
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{
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// Clear flag
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_hasValidResources = false;
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}
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virtual bool setupResources()
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{
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return false;
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}
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};
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/// <summary>
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/// Singleton render pass template.
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/// </summary>
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/// <seealso cref="Object" />
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template<class T>
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class RendererPass : public Singleton<T>, public RendererPassBase
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{
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};
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#define REPORT_INVALID_SHADER_PASS_CB_SIZE(shader, index, dataType) LOG(Fatal, "Shader {0} has incorrect constant buffer {1} size: {2} bytes. Expected: {3} bytes", shader->ToString(), index, shader->GetCB(index)->GetSize(), sizeof(dataType));
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