96 lines
1.1 KiB
GLSL
96 lines
1.1 KiB
GLSL
#version 310 es
|
|
precision mediump float;
|
|
|
|
layout(std140, binding = 0) uniform UBO
|
|
{
|
|
int some_value;
|
|
};
|
|
|
|
struct B
|
|
{
|
|
float a;
|
|
float b;
|
|
};
|
|
|
|
void partial_inout(inout vec4 x)
|
|
{
|
|
x.x = 10.0;
|
|
}
|
|
|
|
void partial_inout(inout B b)
|
|
{
|
|
b.b = 40.0;
|
|
}
|
|
|
|
// Make a complete write, but only conditionally ...
|
|
void branchy_inout(inout vec4 v)
|
|
{
|
|
v.y = 20.0;
|
|
if (some_value == 20)
|
|
{
|
|
v = vec4(50.0);
|
|
}
|
|
}
|
|
|
|
void branchy_inout(inout B b)
|
|
{
|
|
b.b = 20.0;
|
|
if (some_value == 20)
|
|
{
|
|
b = B(10.0, 40.0);
|
|
}
|
|
}
|
|
|
|
void branchy_inout_2(out vec4 v)
|
|
{
|
|
if (some_value == 20)
|
|
{
|
|
v = vec4(50.0);
|
|
}
|
|
else
|
|
{
|
|
v = vec4(70.0);
|
|
}
|
|
v.y = 20.0;
|
|
}
|
|
|
|
void branchy_inout_2(out B b)
|
|
{
|
|
if (some_value == 20)
|
|
{
|
|
b = B(10.0, 40.0);
|
|
}
|
|
else
|
|
{
|
|
b = B(70.0, 70.0);
|
|
}
|
|
b.b = 20.0;
|
|
}
|
|
|
|
|
|
void complete_inout(out vec4 x)
|
|
{
|
|
x = vec4(50.0);
|
|
}
|
|
|
|
void complete_inout(out B b)
|
|
{
|
|
b = B(100.0, 200.0);
|
|
}
|
|
|
|
void main()
|
|
{
|
|
vec4 a = vec4(10.0);
|
|
partial_inout(a);
|
|
complete_inout(a);
|
|
branchy_inout(a);
|
|
branchy_inout_2(a);
|
|
|
|
B b = B(10.0, 20.0);
|
|
partial_inout(b);
|
|
complete_inout(b);
|
|
branchy_inout(b);
|
|
branchy_inout_2(b);
|
|
}
|
|
|