92 lines
1.8 KiB
Plaintext
92 lines
1.8 KiB
Plaintext
// Provided by OBS
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uniform float4x4 ViewProj <
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bool visible = false;
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>;
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uniform texture2d image <
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bool visible = false;
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>;
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// Parameters
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uniform float2 image_size <
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bool visible = false;
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>;
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uniform float2 image_inverse_size <
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bool visible = false;
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>;
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uniform texture2d normal <
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bool visible = true;
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string name = "Normal Map";
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string description = "A normal map that is used for displacing the texture sample locations.";
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>;
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uniform float2 scale <
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bool visible = true;
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string mode = "slider";
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float2 minimum = {0.0, 0.0};
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float2 maximum = {100.0, 100.0};
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float2 step = {0.01, 0.01};
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> = {0.0, 0.0};
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uniform float scale_type <
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bool visible = true;
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string mode = "slider";
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string name = "Scale Mode";
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string description = "A value of 0.0 is in Texel Space, while a value of 100.0 is in Pixel Space.";
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float2 minimum = {0.0, 0.0};
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float2 maximum = {100.0, 100.0};
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float2 step = {0.01, 0.01};
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> = 0.0;
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// Samplers
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sampler_state smp_linear_wrap {
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Filter = Linear;
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AddressU = Wrap;
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AddressV = Wrap;
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};
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sampler_state smp_linear_clamp {
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Filter = Linear;
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AddressU = Clamp;
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AddressV = Clamp;
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};
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// Structs
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struct FunctionData {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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// Functions
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FunctionData vertex_shader(FunctionData v) {
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v.pos = mul(float4(v.pos.xyz, 1.0), ViewProj);
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return v;
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};
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float4 pixel_shader(FunctionData v) : TARGET {
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float4 v_normal = normal.Sample(smp_linear_wrap, v.uv);
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float2 offset = v_normal.rg;
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offset -= float2(.5, .5);
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offset *= 255.0;
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offset = floor(abs(offset)) * sign(offset);
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offset /= 127.0;
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offset *= lerp(float2(1.0, 1.0), image_inverse_size, scale_type);
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offset *= scale;
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return image.Sample(smp_linear_clamp, v.uv + offset);
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};
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// Techniques
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technique Draw
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{
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pass
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{
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vertex_shader = vertex_shader(v);
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pixel_shader = pixel_shader(v);
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}
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}
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