55 lines
1.4 KiB
HLSL
55 lines
1.4 KiB
HLSL
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// HMS MediaEngine - Generator (D3D11)
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// Erzeugt ohne Eingangstextur; cbuffer-Satz identisch zu Filtern (§12.6).
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Texture2D u_input_texture : register(t0);
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SamplerState u_sampler : register(s0);
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cbuffer hms_params : register(b0)
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{
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float4 u_resolution; // xy = Auflösung in Pixeln
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float u_time_seconds;
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float u_delta_seconds;
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float u_frame_index;
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float u_layer_opacity;
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float u_audio_rms;
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float u_audio_peak;
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float u_audio_bass;
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float u_audio_mid;
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float u_audio_treble;
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float u_audio_beat;
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float4 param_color_a;
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float4 param_color_b;
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float param_type;
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float param_angle;
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float param_center_x;
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float param_center_y;
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float param_width;
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float param_phase;
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float param_speed;
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float _pad0;
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float _pad1;
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float _pad2;
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};
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float4 mainPS(float4 pos : SV_POSITION, float2 uv : TEXCOORD0) : SV_Target
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{
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float2 p = uv - float2(param_center_x, param_center_y);
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float ang = radians(param_angle);
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float2 dir = float2(cos(ang), sin(ang));
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float t;
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if (param_type < 0.5)
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{
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t = dot(p, dir) / max(param_width, 0.0001) + 0.5;
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}
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else
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{
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t = length(p) / max(param_width, 0.0001);
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}
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t += param_phase + u_time_seconds * param_speed;
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t = frac(t);
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float4 col = lerp(param_color_a, param_color_b, saturate(t));
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col.a *= u_layer_opacity;
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return col;
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}
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