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https://github.com/Xaymar/obs-StreamFX
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data/shaders: New example shaders
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
parent
8cb2ddaa82
commit
76335745b1
2 changed files with 198 additions and 36 deletions
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@ -1,22 +1,64 @@
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// Basic Input Parameters
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uniform float4x4 ViewProj; // View Projection Matrix
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uniform float2 ViewSize; // View Size as Float2
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//uniform int2 ViewSizeI; // View Size as Int2
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//uniform float Time; // Time Existing
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uniform float TimeActive; // Time Active
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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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// Filter Input Parameters
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uniform texture2d Image; // Input Image
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uniform float2 Image_Size;
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//uniform int2 Image_SizeI;
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//uniform float2 Image_Texel;
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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 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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>;
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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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>;
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uniform texture2d ImageSource<
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bool visible = false;
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string name = "Source Texture (Filter, Transition)";
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>;
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uniform texture2d ImageSource_Size<
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bool visible = false;
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string name = "Source Texture Size (Filter, Transition)";
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>;
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uniform texture2d ImageSource_Texel<
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bool visible = false;
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string name = "Source Texture Texel Size (Filter, Transition)";
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>;
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uniform texture2d ImageTarget<
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bool visible = false;
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string name = "Target Texture (Transition)";
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>;
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uniform texture2d ImageTarget_Size<
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bool visible = false;
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string name = "Target Texture Size (Transition)";
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>;
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uniform texture2d ImageTarget_Texel<
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bool visible = false;
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string name = "Target Texture Texel Size (Transition)";
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>;
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// Custom Parameters (These will be visible in the UI)
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//uniform float4 Color;
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uniform float WaveScale;
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uniform float WaveAmplitude;
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// Shader Parameters
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uniform float4 p_my_val<
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bool visible = true;
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string name = "This is a Value";
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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 float p_hue_shift <
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bool visible = true;
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string name = "Hue Shift";
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string mode = "slider"; // Default is input/spinbox
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float minimum = -180.0;
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float maximum = 180.0;
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float step = 0.01;
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> = 0.0;
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sampler_state textureSampler {
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// ---------- Shader Code
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sampler_state def_sampler {
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AddressU = Wrap;
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AddressV = Wrap;
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Filter = Linear;
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@ -36,34 +78,76 @@ FragData VSDefault(VertData v_in) {
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FragData vert_out;
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vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
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vert_out.uv = v_in.uv;
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return vert_out;
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}
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// Simple texture sample, technically does nothing.
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float4 PS_Sample(FragData v_in) : TARGET {
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return Image.Sample(textureSampler, v_in.uv);
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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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// Adding a little wave to the image makes a huge difference already.
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float4 PS_Wave(FragData v_in) : TARGET {
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float2 realPos = v_in.uv * ViewSize;
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float yoff = sin(realPos.x / WaveAmplitude + TimeActive) * ((WaveScale / 100.0) * Image_Size.y);
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return Image.Sample(textureSampler, v_in.uv + float2(0, yoff));
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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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// Rotating is also rather easy to do.
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float4 PS_Rotate(FragData v_in) : TARGET {
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float angle = TimeActive * 3.141 / 16.0;
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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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}
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technique Fixed
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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_Fixed(v_in);
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}
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}
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// ---------- Isolate Hue
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float4 RGBtoHSV(float4 RGBA) {
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const float4 K = float4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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const float e = 1.0e-10;
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float4 p = lerp(float4(RGBA.bg, K.wz), float4(RGBA.gb, K.xy), step(RGBA.b, RGBA.g));
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float4 q = lerp(float4(p.xyw, RGBA.r), float4(RGBA.r, p.yzx), step(p.x, RGBA.r));
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float d = q.x - min(q.w, q.y);
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return float4(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x, RGBA.a);
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}
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float4 HSVtoRGB(float4 HSVA) {
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const float4 K = float4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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float4 v = float4(0,0,0,0);
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v.rgb = HSVA.z * lerp(K.xxx, clamp(abs(frac(HSVA.xxx + K.xyz) * 6.0 - K.www) - K.xxx, 0.0, 1.0), HSVA.y);
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v.a = HSVA.a;
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return v;
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}
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float4 PS_HueShift(FragData v_in) : TARGET {
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float4 v = ImageSource.Sample(def_sampler, v_in.uv);
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float cp = cos(angle);
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float sp = sin(angle);
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float sn = -sp;
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float2 uv = v_in.uv * Image_Size;
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uv = float2((uv.x * cp) + (uv.y * sn), (uv.x * sp) + (uv.y * cp));
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uv /= Image_Size;
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float4 hsv = RGBtoHSV(v);
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hsv.r = hsv.r + p_hue_shift;
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return HSVtoRGB(hsv);
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}
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return Image.Sample(textureSampler, uv);
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technique HueShift
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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_HueShift(v_in);
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}
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}
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// ---------- Pass Through
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float4 PS_Draw(FragData v_in) : TARGET {
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return ImageSource.Sample(def_sampler, v_in.uv);
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}
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technique Draw
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@ -71,6 +155,6 @@ 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_Rotate(v_in);
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pixel_shader = PS_Draw(v_in);
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}
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}
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78
data/shaders/source/example.effect
Normal file
78
data/shaders/source/example.effect
Normal file
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@ -0,0 +1,78 @@
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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 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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>;
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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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>;
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// Shader Parameters
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uniform float4 p_my_val<
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bool visible = true;
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string name = "This is a Value";
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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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// ---------- Shader Code
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sampler_state def_sampler {
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AddressU = Wrap;
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AddressV = Wrap;
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Filter = Linear;
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};
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struct VertData {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct FragData {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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FragData VSDefault(VertData v_in) {
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FragData vert_out;
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vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
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vert_out.uv = v_in.uv;
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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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// ---------- 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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}
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technique Fixed
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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_Fixed(v_in);
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}
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}
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