summaryrefslogtreecommitdiff
path: root/shaders/skia/1048.shader_test
blob: 03ba6ca6a84b99aad8e0e726bbc6c4bade07ee6f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
[require]
GLSL >= 1.40
GL_KHR_blend_equation_advanced

[fragment shader]
#version 140

#extension GL_KHR_blend_equation_advanced : require
out vec4 sk_FragColor;
layout (blend_support_all_equations) out ;
uniform vec4 uColor_Stage0;
uniform vec2 ubaseFrequency_Stage1;
uniform float uz_Stage1;
uniform sampler2D uTextureSampler_0_Stage1;
uniform sampler2D uTextureSampler_1_Stage1;
noperspective in vec3 vTransformedCoords_0_Stage0;
vec3 fade_Stage1(vec3 t) {
    return ((t * t) * t) * (t * (t * 6.0 - 15.0) + 10.0);
}
float perm_Stage1(float x) {
    return texture(uTextureSampler_0_Stage1, vec2(fract(x / 256.0), 0.0)).x * 255.0;
}
float grad_Stage1(float x, vec3 p) {
    return dot(texture(uTextureSampler_1_Stage1, vec2(fract(x / 16.0), 0.0)).xyz * 255.0 - vec3(1.0), p);
}
float lerp_Stage1(float a, float b, float w) {
    return a + w * (b - a);
}
float noise_Stage1(vec3 p) {
    vec3 P = mod(floor(p), 256.0);
    p -= floor(p);
    vec3 f = fade_Stage1(p);
    float A = perm_Stage1(P.x) + P.y;
    float AA = perm_Stage1(A) + P.z;
    float AB = perm_Stage1(A + 1.0) + P.z;
    float B = perm_Stage1(P.x + 1.0) + P.y;
    float BA = perm_Stage1(B) + P.z;
    float BB = perm_Stage1(B + 1.0) + P.z;
    float result = lerp_Stage1(lerp_Stage1(lerp_Stage1(grad_Stage1(perm_Stage1(AA), p), grad_Stage1(perm_Stage1(BA), p + vec3(-1.0, 0.0, 0.0)), f.x), lerp_Stage1(grad_Stage1(perm_Stage1(AB), p + vec3(0.0, -1.0, 0.0)), grad_Stage1(perm_Stage1(BB), p + vec3(-1.0, -1.0, 0.0)), f.x), f.y), lerp_Stage1(lerp_Stage1(grad_Stage1(perm_Stage1(AA + 1.0), p + vec3(0.0, 0.0, -1.0)), grad_Stage1(perm_Stage1(BA + 1.0), p + vec3(-1.0, 0.0, -1.0)), f.x), lerp_Stage1(grad_Stage1(perm_Stage1(AB + 1.0), p + vec3(0.0, -1.0, -1.0)), grad_Stage1(perm_Stage1(BB + 1.0), p + vec3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);
    return result;
}
float noiseOctaves_Stage1(vec3 p) {
    float result = 0.0;
    float ratio = 1.0;
    for (float i = 0.0;i < 5.0; i++) {
        result += noise_Stage1(p) / ratio;
        p *= 2.0;
        ratio *= 2.0;
    }
    return (result + 1.0) / 2.0;
}
void main() {
    vec4 outputColor_Stage0;
    {
        outputColor_Stage0 = uColor_Stage0;
    }
    vec4 output_Stage1;
    {
        vec2 vTransformedCoords_0_Stage0_ensure2D = vTransformedCoords_0_Stage0.xy / vTransformedCoords_0_Stage0.z;
        vec2 coords = vTransformedCoords_0_Stage0_ensure2D * ubaseFrequency_Stage1;
        float r = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
        float g = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
        float b = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
        float a = noiseOctaves_Stage1(vec3(coords, uz_Stage1));
        output_Stage1 = vec4(r, g, b, a);
        output_Stage1 = clamp(output_Stage1, 0.0, 1.0);
        output_Stage1 = vec4(output_Stage1.xyz * output_Stage1.www, output_Stage1.w);
    }
    {
        sk_FragColor = output_Stage1 * outputColor_Stage0;
    }
}

[vertex shader]
#version 140

uniform vec4 sk_RTAdjust;
uniform mat3 uViewM_Stage0;
uniform mat3 uCoordTransformMatrix_0_Stage0;
in vec2 inPosition;
noperspective out vec3 vTransformedCoords_0_Stage0;
void main() {
    vec2 pos2 = (uViewM_Stage0 * vec3(inPosition, 1.0)).xy;
    vTransformedCoords_0_Stage0 = uCoordTransformMatrix_0_Stage0 * vec3(inPosition, 1.0);
    gl_Position = vec4(pos2.x, pos2.y, 0.0, 1.0);
    gl_Position = vec4(gl_Position.xy * sk_RTAdjust.xz + gl_Position.ww * sk_RTAdjust.yw, 0.0, gl_Position.w);
}