71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#pragma once
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#include "MaterialShader.h"
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#include "Engine/Core/Math/Rectangle.h"
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// Material shader features are plugin-based functionalities that are reusable between different material domains.
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struct MaterialShaderFeature
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{
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#if USE_EDITOR
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struct GeneratorData
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{
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const Char* Template;
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int32 ConstantsSize;
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int32 ResourcesCount;
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};
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#endif;
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};
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// Material shader feature that add support for Forward shading inside the material shader.
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struct ForwardShadingFeature : MaterialShaderFeature
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{
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enum { MaxLocalLights = 4 };
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enum { SRVs = 3 };
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PACK_STRUCT(struct Data
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{
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LightData DirectionalLight;
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LightShadowData DirectionalLightShadow;
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LightData SkyLight;
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ProbeData EnvironmentProbe;
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ExponentialHeightFogData ExponentialHeightFog;
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Vector3 Dummy2;
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uint32 LocalLightsCount;
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LightData LocalLights[MaxLocalLights];
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});
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static void Bind(MaterialShader::BindParameters& params, byte*& cb, int32& srv);
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};
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// Material shader feature that adds geometry hardware tessellation (using Hull and Domain shaders).
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struct TessellationFeature : MaterialShaderFeature
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{
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enum { SRVs = 0 };
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static void Bind(MaterialShader::BindParameters& params, byte*& cb, int32& srv)
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{
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}
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#if USE_EDITOR
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static void Generate(GeneratorData& data);
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#endif
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};
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// Material shader feature that adds lightmap sampling feature.
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struct LightmapFeature : MaterialShaderFeature
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{
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enum { SRVs = 3 };
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PACK_STRUCT(struct Data
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{
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Rectangle LightmapArea;
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});
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static bool Bind(MaterialShader::BindParameters& params, byte*& cb, int32& srv);
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#if USE_EDITOR
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static void Generate(GeneratorData& data);
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#endif
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};
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