1 files changed, 92 insertions, 0 deletions
diff --git a/shaders/skia/16-58.shader_test b/shaders/skia/16-58.shader_test
new file mode 100644
index 0000000..56c366d
--- /dev/null
+++ b/shaders/skia/16-58.shader_test
@@ -0,0 +1,92 @@
+[require]
+GLSL >= 1.40
+
+[fragment shader]
+#version 140
+
+out vec4 sk_FragColor;
+uniform vec2 ubaseFrequency_Stage1_c0_c0;
+uniform sampler2D uTextureSampler_0_Stage1;
+uniform sampler2D uTextureSampler_1_Stage1;
+noperspective in vec2 vTransformedCoords_0_Stage0;
+flat in vec4 vcolor_Stage0;
+float perlinnoise_Stage1_c0_c0(float chanCoord, vec2 noiseVec) {
+    vec4 floorVal;
+    floorVal.xy = floor(noiseVec);
+    floorVal.zw = floorVal.xy + vec2(1.0);
+    vec2 fractVal = fract(noiseVec);
+    vec2 noiseSmooth = (fractVal * fractVal) * (vec2(3.0) - vec2(2.0) * fractVal);
+    floorVal = fract(floor(mod(floorVal, 256.0)) / vec4(256.0));
+    vec2 latticeIdx;
+    latticeIdx.x = texture(uTextureSampler_0_Stage1, vec2(floorVal.x, 0.5)).x;
+    latticeIdx.y = texture(uTextureSampler_0_Stage1, vec2(floorVal.z, 0.5)).x;
+    vec4 bcoords = fract(latticeIdx.xyxy + floorVal.yyww);
+    vec2 uv;
+    vec4 lattice = texture(uTextureSampler_1_Stage1, vec2(bcoords.x, chanCoord)).zyxw;
+    uv.x = dot((lattice.yw + lattice.xz * vec2(0.00390625)) * vec2(2.0) - vec2(1.0), fractVal);
+    fractVal.x -= 1.0;
+    lattice = texture(uTextureSampler_1_Stage1, vec2(bcoords.y, chanCoord)).zyxw;
+    uv.y = dot((lattice.yw + lattice.xz * vec2(0.00390625)) * vec2(2.0) - vec2(1.0), fractVal);
+    vec2 ab;
+    ab.x = mix(uv.x, uv.y, noiseSmooth.x);
+    fractVal.y -= 1.0;
+    lattice = texture(uTextureSampler_1_Stage1, vec2(bcoords.w, chanCoord)).zyxw;
+    uv.y = dot((lattice.yw + lattice.xz * vec2(0.00390625)) * vec2(2.0) - vec2(1.0), fractVal);
+    fractVal.x += 1.0;
+    lattice = texture(uTextureSampler_1_Stage1, vec2(bcoords.z, chanCoord)).zyxw;
+    uv.x = dot((lattice.yw + lattice.xz * vec2(0.00390625)) * vec2(2.0) - vec2(1.0), fractVal);
+    ab.y = mix(uv.x, uv.y, noiseSmooth.x);
+    return mix(ab.x, ab.y, noiseSmooth.y);
+}
+vec4 PerlinNoise_Stage1_c0_c0(vec4 _input) {
+    vec4 _output;
+    vec2 noiseVec = floor(vTransformedCoords_0_Stage0) * ubaseFrequency_Stage1_c0_c0;
+    _output = vec4(0.0);
+    float ratio = 1.0;
+    for (int octave = 0;octave < 3; ++octave) {
+        _output += vec4(perlinnoise_Stage1_c0_c0(0.125, noiseVec), perlinnoise_Stage1_c0_c0(0.375, noiseVec), perlinnoise_Stage1_c0_c0(0.625, noiseVec), perlinnoise_Stage1_c0_c0(0.875, noiseVec)) * ratio;
+        noiseVec *= vec2(2.0);
+        ratio *= 0.5;
+    }
+    _output = _output * vec4(0.5) + vec4(0.5);
+    _output = clamp(_output, 0.0, 1.0);
+    _output = vec4(_output.xyz * _output.www, _output.w);
+    return _output;
+}
+vec4 blend_src_in(vec4 src, vec4 dst) {
+    return src * dst.w;
+}
+vec4 blend_dst_in(vec4 src, vec4 dst) {
+    return blend_src_in(dst, src);
+}
+void main() {
+    vec4 outputColor_Stage0;
+    {
+        outputColor_Stage0 = vcolor_Stage0;
+    }
+    vec4 output_Stage1;
+    {
+        output_Stage1 = blend_dst_in(outputColor_Stage0, PerlinNoise_Stage1_c0_c0(vec4(1.0)));
+    }
+    {
+        sk_FragColor = output_Stage1;
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+uniform mat3 uCoordTransformMatrix_0_Stage0;
+in vec2 position;
+in vec4 color;
+in vec2 localCoord;
+noperspective out vec2 vTransformedCoords_0_Stage0;
+flat out vec4 vcolor_Stage0;
+void main() {
+    vTransformedCoords_0_Stage0 = (uCoordTransformMatrix_0_Stage0 * vec3(localCoord, 1.0)).xy;
+    vcolor_Stage0 = color;
+    gl_Position = vec4(position.x, position.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);
+}
+