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38 lines
1.7 KiB
HLSL
38 lines
1.7 KiB
HLSL
#include "manul/math.hlsli"
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#include "manul/material.hlsli"
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#include "manul/color_transform.hlsli"
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sampler diffuse_sampler : register(s0);
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Texture2D<float3> diffuse : register(t0);
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Texture2D<float2> normalmap : register(t1);
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Texture2D<float2> dudvmap : register(t2);
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void MaterialPass(inout MaterialData material) {
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float2 tex_coord = material.m_TexCoord;
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float move_factor = 0.;
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#if PASS & FORWARD_LIGHTING
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move_factor += (.02 * g_Time);
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#endif
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move_factor %= 1.;
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float2 distorted_tex_coord = dudvmap.Sample(diffuse_sampler, float2(tex_coord.x + move_factor, tex_coord.y)) * .1;
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distorted_tex_coord = tex_coord + float2(distorted_tex_coord.x , distorted_tex_coord.y + move_factor);
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float2 total_distorted_tex_coord = (dudvmap.Sample(diffuse_sampler, distorted_tex_coord) * 2. - 1. ) * .05;
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tex_coord += total_distorted_tex_coord;
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material.m_MaterialAlbedoAlpha.rgb = diffuse.Sample(diffuse_sampler, tex_coord);
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material.m_MaterialAlbedoAlpha.rgb = saturate(REC709_to_XYZ(material.m_MaterialAlbedoAlpha.rgb));
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material.m_MaterialAlbedoAlpha.a = 1.;
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material.m_MaterialEmission = 0;
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material.m_MaterialParams = float4(0., .04, 1., .5);
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#if PASS & FORWARD_LIGHTING
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float4 fragment_ndc = float4(material.m_PositionNDC.xy, g_GbufferDepth[material.m_PixelCoord], 1.);
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fragment_ndc = mul(g_InverseProjection, fragment_ndc);
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fragment_ndc /= fragment_ndc.w;
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float depth = min(0., (fragment_ndc.z - material.m_Position.z));
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material.m_MaterialAlbedoAlpha.a = 1. - exp(depth * 2.5);
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#endif
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float3 normal = UnpackNormalXY(normalmap.Sample(diffuse_sampler, tex_coord));
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material.m_MaterialNormal = normalize(normal.x * material.m_Tangent + normal.y * material.m_Bitangent + normal.z * material.m_Normal);
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}
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