22 lines
459 B
HLSL
22 lines
459 B
HLSL
#include "Defines.hlsli"
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//assumes ProperfloatTexCoords
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float3 ToVpos(float2 texCoord)
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{
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//Get proper UV
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float2 UV = texCoord / Pixels;
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float4 ViewPos = float4(0,0,0,0);
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// Get the depth value for this pixel
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ViewPos.z= DepthTexture[texCoord].x;
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//Get X/w
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ViewPos.x = UV.x * 2 - 1;
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//Get Y/w
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//ViewPos.y = -(UV.y * 2) + 1;
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ViewPos.y = 1 - 2 * UV.y;
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ViewPos.w = 1;
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//Un project
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ViewPos = mul(InvProj, ViewPos);
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return ViewPos.xyz / ViewPos.w;
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} |