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https://github.com/Xaymar/obs-StreamFX
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examples: New example source shaders
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
parent
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commit
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3 changed files with 241 additions and 79 deletions
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@ -38,7 +38,7 @@ The subject line of a commit should begin with the prefix followed by a `: `, an
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### Prefixes
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- effects: Anything modifying generic effects like blur.effect, color-conversion.effect, mask.effect, etc.
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- locale: Changes in `/data/locale`.
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- shaders: Changes in `/data/shaders` that are not directly influenced by a change to custom shaders.
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- examples: Changes in `/data/examples` that are not directly influenced by a change to one of the filters, sources or transitions.
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- project: Changes to files like README, CONTRIBUTING, AUTHORS, etc.
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- cmake: Changes to CMake build scripts.
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- ci: Changes to Continuous Integration.
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@ -8,46 +8,65 @@ uniform float4x4 ViewProj<
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uniform float4 Time<
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bool visible = false;
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string name = "Time Array";
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string description = "A float4 value containing the total time, rendering time and the time since the last tick. The last value is a random number between 0 and 1.";
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string description = "A float array of length 4, with the indexes being:\n[0] Time Visible in Seconds\n[1] Last Render Time\n[2] Current System Time (24h looping)\n[3] Random value between 0 and 1.";
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>;
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uniform float4x4 Random<
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/*uniform float4x4 Random<
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bool visible = false;
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string name = "Random Array";
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string description = "A float4x4 value containing random values between 0 and 1";
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string name = "Random Matrix";
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string description = "A float4x4 value containing random values between 0 and 1. Changes every frame.";
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>;
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uniform float4x4 Seed<
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bool visible = false;
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string name = "Seed Matrix";
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string description = "A float4x4 value containing random seeds values between 0 and 1. Values determined once on Source creation.";
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>;*/
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// Shader Parameters
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uniform float4 p_my_val<
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// Parameters
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uniform bool BoolParameter<
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bool visible = true;
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string name = "Color";
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float4 minimum = {0., 0., 0., 0.};
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float4 maximum = {1., 1., 1., 1.};
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float4 step = {.01, .01, .01, .01};
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> = {0., 0., 0., 1.};
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uniform float2 p_plasma1<
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string name = "Bool Parameter";
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string description = "Example";
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>;
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/*uniform int IntParameter<
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bool visible = true;
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string name = "Plasma UV 1";
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string mode = "slider";
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float2 minimum = {0., 0.};
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float2 maximum = {1., 1.};
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float2 step = {.01, .01};
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> = {0.25, 0.25};
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uniform float2 p_plasma2<
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string name = "Int Parameter";
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string description = "Example";
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>;
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uniform int2 Int2Parameter<
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bool visible = true;
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string name = "Plasma UV 2";
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string mode = "slider";
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float2 minimum = {0., 0.};
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float2 maximum = {1., 1.};
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float2 step = {.01, .01};
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> = {0.75, 0.75};
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uniform float4 p_plasma_color<
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string name = "Int2 Parameter";
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string description = "Example";
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>;
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uniform int3 Int3Parameter<
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bool visible = true;
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string name = "Plasma Color";
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float4 minimum = {0., 0., 0., 0.};
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float4 maximum = {1., 1., 1., 1.};
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float4 step = {.01, .01, .01, .01};
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> = {1.0, 1.0, 1.0, 1.0};
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string name = "Int3 Parameter";
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string description = "Example";
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>;
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uniform int4 Int4Parameter<
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bool visible = true;
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string name = "Int4 Parameter";
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string description = "Example";
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>;*/
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uniform float FloatParameter<
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bool visible = true;
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string name = "Float Parameter";
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string description = "Example";
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>;
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uniform float2 Float2Parameter<
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bool visible = true;
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string name = "Float2 Parameter";
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string description = "Example";
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>;
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uniform float3 Float3Parameter<
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bool visible = true;
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string name = "Float3 Parameter";
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string description = "Example";
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>;
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uniform float4 Float4Parameter<
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bool visible = true;
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string name = "Float4 Parameter";
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string description = "Example";
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>;
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// ---------- Shader Code
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sampler_state def_sampler {
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@ -73,51 +92,12 @@ FragData VSDefault(VertData v_in) {
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return vert_out;
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}
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// ---------- Random Color
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float4 PS_Random(FragData v_in) : TARGET {
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return float4(Random[0][0], Random[0][1], Random[0][2], 1.0);
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}
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technique Random
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PS_Random(v_in);
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}
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}
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// ---------- Plasma Color
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float4 PS_Plasma(FragData v_in) : TARGET {
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float dst1 = distance(v_in.uv, p_plasma1);
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float dst2 = distance(v_in.uv, p_plasma2);
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float dst1s = dst1 * dst1;
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float dst2s = dst2 * dst2;
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float dst = min(dst1s, dst2s) * (50. + (1. + sin(Time.y * 5.0)) * 100.0);
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float4 t;
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t.a = 1.;
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t.r = p_plasma_color.r * ((1. + sin(dst)) * .5);
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t.g = p_plasma_color.g * ((1. + cos(dst)) * .5);
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t.b = p_plasma_color.b * ((1. + sin(dst)) * .5) * ((1. + cos(dst)) * .5);
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return t;
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}
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technique Plasma
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PS_Plasma(v_in);
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}
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}
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// ---------- Fixed Color
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float4 PS_Fixed(FragData v_in) : TARGET {
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return p_my_val;
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float4 PSTime(FragData v_in) : TARGET {
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return float4(
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cos(Time[0] * 5.) * 0.5 + 0.5,
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cos(Time[0] * 0.) * 0.5 + 0.5,
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cos(Time[0] * 0.) * 0.5 + 0.5,
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1.0);
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}
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technique Draw
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@ -125,6 +105,77 @@ technique Draw
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PS_Fixed(v_in);
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pixel_shader = PSTime(v_in);
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}
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}
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float4 PSBool(FragData v_in) : TARGET {
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if (BoolParameter)
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return float4(
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cos(Time[0] * 5.) * 0.5 + 0.5,
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cos(Time[0] * 0.) * 0.5 + 0.5,
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cos(Time[0] * 0.) * 0.5 + 0.5,
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1.0);
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return float4(0, 0, 0, 1.0);
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}
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technique Bool
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSBool(v_in);
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}
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}
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float4 PSFloat(FragData v_in) : TARGET {
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return float4(FloatParameter.xxx, 1.0);
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}
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technique Float
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSFloat(v_in);
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}
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}
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float4 PSFloat2(FragData v_in) : TARGET {
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return Float2Parameter.xxxy;
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}
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technique Float2
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSFloat2(v_in);
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}
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}
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float4 PSFloat3(FragData v_in) : TARGET {
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return float4(Float3Parameter, 1.0);
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}
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technique Float3
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSFloat3(v_in);
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}
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}
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float4 PSFloat4(FragData v_in) : TARGET {
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return Float4Parameter;
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}
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technique Float4
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSFloat4(v_in);
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}
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}
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111
data/examples/shaders/source/plasma.effect
Normal file
111
data/examples/shaders/source/plasma.effect
Normal file
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@ -0,0 +1,111 @@
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// Always provided by OBS
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uniform float4x4 ViewProj<
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bool visible = false;
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string name = "View Projection Matrix";
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>;
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// Provided by Stream Effects
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uniform float4 Time<
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bool visible = false;
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string name = "Time Array";
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string description = "A float array of length 4, with the indexes being:\n[0] Time Visible in Seconds\n[1] Last Render Time\n[2] Current System Time (24h looping)\n[3] Random value between 0 and 1.";
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>;
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// Params
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uniform float PlasmaScale<
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bool visible = true;
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string name = "Plasma Scale";
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float min = 100.0;
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float max = 1000.0;
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> = 100.0;
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uniform float3 LowColor<
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float min = 0.0;
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float max = 100.0;
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> = {0.0, 0.0, 0.0};
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uniform float3 MiddleColor<
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float min = 0.0;
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float max = 100.0;
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> = {0.5, 0.5, 0.5};
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uniform float3 HighColor<
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float min = 0.0;
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float max = 100.0;
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> = {1.0, 1.0, 1.0};
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struct StageData {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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StageData VSDefault(StageData data) {
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data.pos = mul(float4(data.pos.xyz, 1.0), ViewProj);
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return data;
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}
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float Plasma1(float2 uv, float t) {
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return sin(uv.x * 10 + t);
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}
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float Plasma2(float2 uv, float t) {
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return sin(10 * (uv.x*sin(t/2)+uv.y*cos(t/3))+t);
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}
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float Plasma3(float2 uv, float t) {
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float cx = uv.x + .5*sin(t/5);
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float cy = uv.y + .5*cos(t/3);
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return sin(sqrt(100*(cx*cx+cy*cy)+1)+t);
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}
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float4 BasicPlasma(StageData data) : TARGET {
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return float4(Plasma1(data.uv, Time[0]), Plasma2(data.uv, Time[0]), Plasma3(data.uv, Time[0]), 1.0);
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}
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technique Basic
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{
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pass
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{
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vertex_shader = VSDefault(data);
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pixel_shader = BasicPlasma(data);
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}
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}
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float4 Plasma(StageData data) : TARGET {
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float a = Plasma1(data.uv, Time[0]);
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float b = Plasma2(data.uv, Time[0]);
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float c = Plasma3(data.uv, Time[0]);
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float v = abs(sin((a + b + c) * (PlasmaScale / 100.0)));
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return float4(v,v,v, 1.0);
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}
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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 = VSDefault(data);
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pixel_shader = Plasma(data);
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}
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}
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float4 ColoredPlasma(StageData data) : TARGET {
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float a = Plasma1(data.uv, Time[0]);
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float b = Plasma2(data.uv, Time[0]);
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float c = Plasma3(data.uv, Time[0]);
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float v = abs(sin((a + b + c) * (PlasmaScale / 100.0)));
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float v1 = clamp(v * 2.0, 0., 1.);
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float v2 = clamp((v - 0.5) * 2.0, 0., 1.);
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float3 col = lerp(lerp(LowColor, MiddleColor, v1), HighColor, v2);
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return float4(col, 1.0);
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}
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technique Colored
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{
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pass
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{
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vertex_shader = VSDefault(data);
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pixel_shader = ColoredPlasma(data);
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}
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}
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