skia2/tests/sksl/inliner/InlinerCanBeDisabled.glsl
John Stiles ece1d794b9 Mangle function names in GLSL.
This will be implemented in Metal and SPIR-V in followup CLs.

Change-Id: I397b4db40b15dd54cf1d8a17f414c3fe184b48d2
Bug: skia:10851
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/387638
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-03-22 17:18:26 +00:00

76 lines
3.0 KiB
GLSL

out vec4 sk_FragColor;
uniform vec4 color;
vec4 blend_src_in_h4h4h4(vec4 src, vec4 dst) {
return src * dst.w;
}
vec4 blend_dst_in_h4h4h4(vec4 src, vec4 dst) {
return dst * src.w;
}
vec3 _blend_set_color_luminance_h3h3hh3(vec3 hueSatColor, float alpha, vec3 lumColor) {
float lum = dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), lumColor);
vec3 result = (lum - dot(vec3(0.30000001192092896, 0.5899999737739563, 0.10999999940395355), hueSatColor)) + hueSatColor;
float minComp = min(min(result.x, result.y), result.z);
float maxComp = max(max(result.x, result.y), result.z);
if (minComp < 0.0 && lum != minComp) {
result = lum + (result - lum) * (lum / (lum - minComp));
}
if (maxComp > alpha && maxComp != lum) {
return lum + ((result - lum) * (alpha - lum)) / (maxComp - lum);
} else {
return result;
}
}
vec3 _blend_set_color_saturation_helper_h3h3h(vec3 minMidMax, float sat) {
if (minMidMax.x < minMidMax.z) {
return vec3(0.0, (sat * (minMidMax.y - minMidMax.x)) / (minMidMax.z - minMidMax.x), sat);
} else {
return vec3(0.0);
}
}
vec3 _blend_set_color_saturation_h3h3h3(vec3 hueLumColor, vec3 satColor) {
float sat = max(max(satColor.x, satColor.y), satColor.z) - min(min(satColor.x, satColor.y), satColor.z);
if (hueLumColor.x <= hueLumColor.y) {
if (hueLumColor.y <= hueLumColor.z) {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor, sat);
} else if (hueLumColor.x <= hueLumColor.z) {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor.xzy, sat).xzy;
} else {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor.zxy, sat).yzx;
}
} else if (hueLumColor.x <= hueLumColor.z) {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor.yxz, sat).yxz;
} else if (hueLumColor.y <= hueLumColor.z) {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor.yzx, sat).zxy;
} else {
return _blend_set_color_saturation_helper_h3h3h(hueLumColor.zyx, sat).zyx;
}
}
vec4 blend_hue_h4h4h4(vec4 src, vec4 dst) {
float alpha = dst.w * src.w;
vec3 sda = src.xyz * dst.w;
vec3 dsa = dst.xyz * src.w;
return vec4((((_blend_set_color_luminance_h3h3hh3(_blend_set_color_saturation_h3h3h3(sda, dsa), alpha, dsa) + dst.xyz) - dsa) + src.xyz) - sda, (src.w + dst.w) - alpha);
}
float singleuse_h() {
return 1.25;
}
float add_hhh(float a, float b) {
float c = a + b;
return c;
}
float mul_hhh(float a, float b) {
return a * b;
}
float fma_hhhh(float a, float b, float c) {
return add_hhh(mul_hhh(a, b), c);
}
void main() {
sk_FragColor = vec4(fma_hhhh(color.x, color.y, color.z));
sk_FragColor *= singleuse_h();
sk_FragColor *= blend_src_in_h4h4h4(color.xxyy, color.zzww);
sk_FragColor *= blend_dst_in_h4h4h4(color.xxyy, color.zzww);
sk_FragColor *= blend_hue_h4h4h4(color, color.wwww);
sk_FragColor *= blend_hue_h4h4h4(color, color.wzyx);
}