glslang/Test/constFold.frag
2013-09-03 22:14:59 +00:00

83 lines
3.2 KiB
GLSL

#version 430
const int a = 1;
const int b = 2;
const int c = a + b; // 3
const int d = c - a; // 2
const float e = float(d); // 2.0
const float f = e * float(c); // 6.0
const float g = f / float(d); // 3.0
const vec2 pytho = vec2(3.0, 4.0);
in vec4 inv;
out vec4 FragColor;
out vec2 out2;
out vec4 out3;
out vec4 out4;
out ivec4 out5;
out vec3 out6;
out vec4 out7;
out vec4 out8;
out vec4 out9;
out vec4 out10;
out vec4 out11;
out ivec2 out12;
out uvec3 out13;
void main()
{
vec4 dx = dFdx(inv);
const ivec4 v = ivec4(a, b, c, d);
vec4 array2[v.y]; // 2
const ivec4 u = ~v;
const float h = degrees(g); // 171.88
FragColor = vec4(e, f, g, h); // 2, 6, 3, 171.88
vec4 array3[c]; // 3
vec4 arrayMax[int(max(float(array2.length()), float(array3.length())))];
vec4 arrayMin[int(min(float(array2.length()), float(array3.length())))];
FragColor = vec4(arrayMax.length(), arrayMin.length(), sin(3.14), cos(3.14)); // 3, 2, .00159, -.999
out2 = length(pytho) + normalize(pytho) + dFdx(pytho) + dFdy(pytho) + fwidth(pytho); // 5+3/5, 5+4/5
out3 = vec4(exp(3.0), log(10.0), exp2(4.0), log2(256.0)); // 20.08, 2.3, 16, 8
out4 = vec4(sqrt(100.0), inversesqrt(100.0), abs(-4.7), abs(10.9)); // 10, .1, 4.7, 10.9
out5 = ivec4(abs(-8) + sign(0), abs(17), sign(-12), sign(9)); // 8, 17, -1, 1
out6 = vec3(sign(-8.8), sign(18.0), sign(0.0)); // -1.0, 1.0, 0.0
out7 = vec4(floor(4.2), ceil(-4.1), trunc(5.9), trunc(-5.9)); // 4, -4, 5, -5
out8 = vec4(round(4.4), round(4.6), roundEven(4.5), roundEven(-5.5)); // 4, 5, 4, -6
out9 = vec4(roundEven(7.5), roundEven(-4.5), fract(2.345), fract(-2.6)); // 8, -4, .345, 0.4
out10 = vec4(isinf(4.0/0.0), isinf(-3.0/0.0), isinf(0.0/0.0), isinf(-93048593405938405938405.0)); // true, true, false, false -> 1.0, 1.0, 0.0, 0.0
out11 = vec4(isnan(4.0/0.0), isnan(-3.0/0.0), isnan(0.0/0.0), isnan(-93048593405938405938405.0)); // false, false, true, false -> 0.0, 1.0, 0.0, 0.0
out11 = vec4(tan(0.8), atan(1.029), atan(8.0, 10.0), atan(10000.0)); // 1.029, 0.8, 0.6747, 1.57
out11 = vec4(asin(0.0), asin(0.5), acos(0.0), acos(0.5)); // 0.0, .523599, 1.57, 1.047
const vec4 v1 = vec4(1.0, 0.0, 0.5, -0.2);
const vec4 v2 = vec4(0.2, 0.3, 0.4, 0.5);
out11 = atan(v1, v2); // 1.373401, 0.0, 0.896055, -0.380506
const ivec2 v3 = ivec2(15.0, 17.0);
const ivec2 v4 = ivec2(17.0, 15.0);
out12 = min(v3, 16); // 15, 16
out12 = max(v3, v4); // 17, 17
out2 = pow(vec2(v3), vec2(2.5, 3.0)); // 871.4, 4913
out13 = clamp(uvec3(1, 20, 50), 10u, 30u); // 10, 20, 30
out2 = mix(vec2(3.0, 4.0), vec2(5.0, 6.0), bvec2(false, true)); // 3.0, 6.0
out2 = mix(vec2(3.0, 4.0), vec2(5.0, 6.0), 0.25); // 3.5, 4.5
out2 = step(0.5, vec2(0.2, 0.6)); // 0.0, 1.0
out11 = smoothstep(50.0, 60.0, vec4(40.0, 51.0, 55.0, 70.0)); // 0.0, 0.028, 0.5, 1.0
}
const struct S {
vec3 v3;
ivec2 iv2;
mat2x4 m;
} s = S(vec3(3.0), ivec2(3, a + b), mat2x4(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0));
void foo()
{
float a[s.iv2.y]; // 3 element array
a[0] = s.m[1].z; // 7.0
}