wehub-resource-sync
77 lines
2.4 KiB
HLSL
77 lines
2.4 KiB
HLSL
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cbuffer Transforms : register(b0)
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{
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float4x4 CameraToClipSpace;
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float4x4 ClipSpaceToCamera;
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float4x4 WorldToCamera;
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float4x4 CameraToWorld;
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float4x4 WorldToClipSpace;
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float4x4 ClipSpaceToWorld;
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float4x4 ObjectToWorld;
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float4x4 WorldToObject;
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float4x4 ObjectToCamera;
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float4x4 ObjectToClipSpace;
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};
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cbuffer ShadowTransforms : register(b1)
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{
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float4x4 Shadow_CameraToClipSpace;
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float4x4 Shadow_ClipSpaceToCamera;
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float4x4 Shadow_WorldToCamera;
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float4x4 Shadow_CameraToWorld;
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float4x4 Shadow_WorldToClipSpace;
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float4x4 Shadow_ClipSpaceToWorld;
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float4x4 Shadow_ObjectToWorld;
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float4x4 Shadow_WorldToObject;
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float4x4 Shadow_ObjectToCamera;
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float4x4 Shadow_ObjectToClipSpace;
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};
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Texture2D<float4> ShadowMap0 : register(t0); // opacity shadow map
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Texture2D<float4> ShadowMap1 : register(t1); // opacity shadow map
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Texture2D<float4> ShadowMap2 : register(t2); // opacity shadow map
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Texture2D<float4> ShadowMap3 : register(t3); // opacity shadow map
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sampler texSampler : register(s0);
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struct Input
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{
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float4 position : SV_POSITION;
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float4 posInWorld : POSITION;
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float2 texCoord : TEXCOORD;
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};
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float getOcclusion(Texture2D<float4> shadowMap, float2 uv, float z)
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{
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float sz = z;
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float4 color = float4(0.75,0.6,0.4,1);
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float4 om = shadowMap.SampleLevel(texSampler, uv, 0);
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float4 mask = saturate((float4(sz,sz,sz,sz) - float4(0.00, 0.25, 0.50, 0.75)) * 4.0);
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om *= mask;
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float occlusion = om.x + om.y + om.z + om.w;
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return occlusion;
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}
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float4 psMain(Input input) : SV_TARGET
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{
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float4 scsPparticlePos = mul(input.posInWorld, Shadow_WorldToClipSpace);
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scsPparticlePos.xyz /= scsPparticlePos.w;
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scsPparticlePos.xy = scsPparticlePos.xy*0.5 + 0.5;
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scsPparticlePos.y = 1.0 - scsPparticlePos.y;
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float occlusion = 0.0;
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occlusion += getOcclusion(ShadowMap0, scsPparticlePos.xy, clamp(scsPparticlePos.z, 0, 0.25)*4.0);
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occlusion += getOcclusion(ShadowMap1, scsPparticlePos.xy, 4.0*(clamp(scsPparticlePos.z, 0.25, 0.5) - 0.25));
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occlusion += getOcclusion(ShadowMap2, scsPparticlePos.xy, 4.0*(clamp(scsPparticlePos.z, 0.5, 0.75) - 0.5));
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occlusion += getOcclusion(ShadowMap3, scsPparticlePos.xy, 4.0*(clamp(scsPparticlePos.z, 0.75, 1.0) - 0.75));
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occlusion *= 0.25;
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occlusion = 1.0 - saturate(occlusion);
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float4 color = float4(0.75,0.6,0.4,1);
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color.rgb *= occlusion;
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// color.a = 0.5;
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return color;
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}
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