149 lines
4.9 KiB
GLSL
149 lines
4.9 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
|
|
b % 0; // int
|
|
b / 0;
|
|
e / 0; -e / 0; 0.0 / 0.0;
|
|
const uint ua = 5;
|
|
const uvec2 ub = uvec2(6, 7);
|
|
const uint uc = 8;
|
|
ub % 4u;
|
|
0u % uc;
|
|
ub % 0u;
|
|
}
|
|
|
|
const mat2 m2 = mat2(2, 3, 4, 5);
|
|
const mat3 m3 = mat3(m2);
|
|
const int mc = int(m3[2][2]);
|
|
float a1[mc];
|
|
float a2[int(m3[2][1]) + 2]; // size 2
|
|
float a3[int(m3[1][0])]; // size 4
|
|
const vec2 v2 = vec2(1, 2);
|
|
const vec3 v3 = vec3(3, 4, 5);
|
|
float a4[uint(mat3(v2, v3, v2, v2)[2][2])]; // size 2
|
|
|
|
void foo2()
|
|
{
|
|
a1[0]; // array size 1
|
|
a2[0]; // array size 2
|
|
a3[0]; // array size 4
|
|
a4[0]; // array size 2
|
|
v2[-1]; // ERROR
|
|
v3[4]; // ERROR
|
|
m3[0][-2]; // ERROR
|
|
m2[-1][1]; // ERROR
|
|
m3[1][3]; // ERROR
|
|
m3[3][1]; // ERROR
|
|
int p;
|
|
p = -2147483647 / -1;
|
|
p = -2147483648 / -1;
|
|
p = 2147483647 / -1;
|
|
float f = vec4(7.8 < 2.4 ? -1.333 : 1.444).a;
|
|
f = vec4(inv.x < 2.4 ? -1.0 : 1.0).a; // not folded, ensuring no propagation
|
|
}
|
|
|
|
const mat2 mm2 = mat2(1.0, 2.0, 3.0, 4.0);
|
|
const mat3x2 mm32 = mat3x2(10.0, 11.0, 12.0, 13.0, 14.0, 15.0);
|
|
|
|
void foo3()
|
|
{
|
|
mat3x2 r32 = mm2 * mm32;
|
|
}
|
|
|
|
struct cag {
|
|
int i;
|
|
float f;
|
|
bool b;
|
|
};
|
|
const cag a0[3] = cag[3](cag(3, 2.0, true), cag(1, 5.0, true), cag(1, 9.0, false));
|
|
|
|
void foo4()
|
|
{
|
|
int a = int(a0[2].f);
|
|
}
|
|
|
|
const bool cval1 = all(bvec4(true, true, true, true));
|
|
const bool cval2 = all(bvec4(false, false, false, false));
|
|
const bool cval3 = all(bvec4(true, true, false, true));
|
|
const bool cval4 = any(bvec4(true, true, true, true));
|
|
const bool cval5 = any(bvec4(false, false, false, false));
|
|
const bool cval6 = any(bvec4(false, true, false, false));
|