forked from Rowland/EG
90 lines
3.5 KiB
YAML
90 lines
3.5 KiB
YAML
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# This effect blends 4 materials based on a material map
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# The textures should be setup like in the 04-Material-Blending sample.
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# The last material is the base material and thus has no blending. It will
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# be wherever no other material is.
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vertex:
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fragment:
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inout: |
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uniform sampler2D p3d_Texture0; // Alpha - Map
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uniform sampler2D p3d_Texture1; // M1 - Diffuse
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uniform sampler2D p3d_Texture2; // M1 - Normal
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uniform sampler2D p3d_Texture3; // M1 - Specular
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uniform sampler2D p3d_Texture4; // M1 - Blendmap
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uniform sampler2D p3d_Texture5; // M2 - Diffuse
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uniform sampler2D p3d_Texture6; // M2 - Normal
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uniform sampler2D p3d_Texture7; // M2 - Specular
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uniform sampler2D p3d_Texture8; // M2 - Blendmap
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uniform sampler2D p3d_Texture9; // M3 - Diffuse
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uniform sampler2D p3d_Texture10; // M3 - Normal
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uniform sampler2D p3d_Texture11; // M3 - Specular
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uniform sampler2D p3d_Texture12; // M3 - Blendmap
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uniform sampler2D p3d_Texture13; // M4 - Diffuse
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uniform sampler2D p3d_Texture14; // M4 - Normal
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uniform sampler2D p3d_Texture15; // M4 - Specular
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uniform sampler2D p3d_Texture16; // M4 - Blendmap
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uniform float detail_scale_factor;
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uniform float material_0_pow;
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uniform float material_0_add;
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uniform float material_1_pow;
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uniform float material_1_add;
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uniform float material_2_pow;
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uniform float material_2_add;
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defines: |
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#define DONT_FETCH_DEFAULT_TEXTURES 1
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#define DONT_SET_MATERIAL_PROPERTIES 1
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material: |
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// Get detail coordinate
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vec2 detail_coord = texcoord * detail_scale_factor;
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vec4 layers = texture(p3d_Texture0, texcoord);
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layers.xyz *= layers.w;
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// Blend all materials
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layers.x = blend_material(layers.x, texture(p3d_Texture4, detail_coord).x, material_0_add, material_0_pow);
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layers.y = blend_material(layers.y, texture(p3d_Texture8, detail_coord).x, material_1_add, material_1_pow);
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layers.z = blend_material(layers.z, texture(p3d_Texture12, detail_coord).x, material_2_add, material_2_pow);
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layers.w = saturate(1.0 - dot(layers.xyz, vec3(1))); // More inituitive
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// Diffuse
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vec3 m_base = vec3(0);
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m_base = texture(p3d_Texture1, detail_coord).xyz * layers.x;
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m_base += texture(p3d_Texture5, detail_coord).xyz * layers.y;
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m_base += texture(p3d_Texture9, detail_coord).xyz * layers.z;
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m_base += texture(p3d_Texture13, detail_coord).xyz * layers.w;
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// Normal
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vec3 m_nrm = vec3(0);
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m_nrm += unpack_texture_normal(texture(p3d_Texture2, detail_coord).xyz) * layers.x;
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m_nrm += unpack_texture_normal(texture(p3d_Texture6, detail_coord).xyz) * layers.y;
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m_nrm += unpack_texture_normal(texture(p3d_Texture10, detail_coord).xyz) * layers.z;
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m_nrm += unpack_texture_normal(texture(p3d_Texture14, detail_coord).xyz) * layers.w;
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// Specular
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float spec = 0.0;
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spec = texture(p3d_Texture3, detail_coord).x * layers.x;
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spec += texture(p3d_Texture7, detail_coord).x * layers.y;
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spec += texture(p3d_Texture11, detail_coord).x * layers.z;
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spec += texture(p3d_Texture15, detail_coord).x * layers.w;
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// Material properties
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m.shading_model = mInput.shading_model;
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m.basecolor = m_base * mInput.color;
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m.normal = apply_normal_map(vOutput.normal, m_nrm, mInput.normalfactor);
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m.specular_ior = blend_ior(mInput.specular_ior, spec);
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m.roughness = mInput.roughness;
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m.metallic = mInput.metallic;
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m.shading_model_param0 = mInput.arbitrary0;
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