blob: 2890995d6e824876fad7dc371e5e5ec5a05c521e [file] [log] [blame]
# Tests todo:
# - inout with varyings, attributes, uniforms (and arrays of 'em)
# - inout with arrays, array elements
# - inout with array elements
# - inout by-value semantics (arrays & elements & structs)
# Done:
# - control flow: return, return in loop, etc.
group datatypes "Function Parameter Data Types"
case float_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
return -a;
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_vec2
values
{
input vec2 in0 = [ vec2(0.0, 1.0) | vec2(2.0, 2.5) ];
output float out0 = [ -1.0 | -4.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (vec2 a)
{
return -(a.x + a.y);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_vec3
values
{
input vec3 in0 = [ vec3(0.0, 1.0, -2.0) | vec3(2.0, 2.5, -4.0) ];
output float out0 = [ 1.0 | -0.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (vec3 a)
{
return -(a.x + a.y + a.z);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_vec4
values
{
input vec4 in0 = [ vec4(0.0, 1.0, -2.0, 0.5) | vec4(2.0, 2.5, 4.0, -7.0) ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (vec4 a)
{
return -(a.x + a.y + a.z + a.w);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_mat2
values
{
input mat2 in0 = [ mat2(0.0, 1.0, -2.0, 0.5) | mat2(2.0, 2.5, 4.0, -7.0) ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (mat2 a)
{
return -(a[0][0] + a[0][1] + a[1][0] + a[1][1]);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_mat3
values
{
input mat3 in0 = [ mat3(0.0, 1.0, -2.0, 0.5, 1.0, -1.0, 2.0, 4.0, -1.0) | mat3(2.0, 2.5, 4.0, -7.0, 2.5, 3.0, 0.5, -3.5, 1.0) ];
output float out0 = [ -4.5 | -5.0 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (mat3 a)
{
return -(a[0][0] + a[0][1] + a[0][2] + a[1][0] + a[1][1] + a[1][2] + a[2][0] + a[2][1] + a[2][2]);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case float_mat4
values
{
input mat4 in0 = [ mat4(0.0, 1.0, -2.0, 0.5, 1.0, -1.0, 2.0, 4.0, -1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -2.0, -2.0) | mat4(2.0, 2.5, 4.0, -7.0, 2.5, 3.0, 0.5, -3.5, 1.0, 0.0, 2.0, -1.0, 1.0, 0.0, -1.0, 3.0) ];
output float out0 = [ -5.5 | -9.0 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (mat4 a)
{
return -(a[0][0] + a[0][1] + a[0][2] + a[0][3] + a[1][0] + a[1][1] + a[1][2] + a[1][3] + a[2][0] + a[2][1] + a[2][2] + a[2][3] + a[3][0] + a[3][1] + a[3][2] + a[3][3]);
}
void main()
{
out0 = func(in0);
${OUTPUT}
}
""
end
case int_int
values
{
input int in0 = [ -1 | 0 | 1 | 4 ];
output int out0 = [ 1 | 0 | -1 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (int a)
{
return -a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case int_ivec2
values
{
input ivec2 in0 = [ ivec2(-1, 0) | ivec2(1, 4) ];
output int out0 = [ 1 | -5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (ivec2 a)
{
return -(a.x + a.y);
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case int_ivec3
values
{
input ivec3 in0 = [ ivec3(-1, 0, 2) | ivec3(1, 4, -8) ];
output int out0 = [ -1 | 3 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (ivec3 a)
{
return -(a.x + a.y + a.z);
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case int_ivec4
values
{
input ivec4 in0 = [ ivec4(-1, 0, 2, 2) | ivec4(1, 4, -8, 2) ];
output int out0 = [ -3 | 1 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (ivec4 a)
{
return -(a.x + a.y + a.z + a.w);
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case bool_bool
values
{
input bool in0 = [ true | false ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (bool a)
{
return !a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case bool_bvec2
values
{
input bvec2 in0 = [ bvec2(true, true) | bvec2(false, true) ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (bvec2 a)
{
return !(a.x == a.y);
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case bool_bvec3
values
{
input bvec3 in0 = [ bvec3(true, true, false) | bvec3(true, false, false) ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (bvec3 a)
{
return (a.x == a.y) == a.z;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case bool_bvec4
values
{
input bvec4 in0 = [ bvec4(true, true, true, false) | bvec4(false, false, true, true) | bvec4(true, false, false, true) ];
output bool out0 = [ false | true | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (bvec4 a)
{
return ((a.x == a.y) == (a.z == a.w));
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case mat2
values
{
input mat2 in0 = [ mat2(-2.0, 0.5, -1.0, 1.0) | mat2(1.0, -3.5, -3.5, 2.5) | mat2(-2.0, -2.0, 3.5, 0.0) ];
output mat2 out0 = [ mat2(4.0, -1.0, 2.0, -2.0) | mat2(-2.0, 7.0, 7.0, -5.0) | mat2(4.0, 4.0, -7.0, -0.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
mat2 func (mat2 a)
{
return -2.0*a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case mat3
values
{
input mat3 in0 = [ mat3(2.5, 0.0, 1.0, -2.5, 1.0, 3.0, 0.0, 2.0, 1.5) | mat3(-3.5, 2.0, 0.5, -1.5, -3.5, 2.5, 0.0, 1.5, 3.0) | mat3(1.5, 3.0, -1.0, 2.5, -0.5, 3.5, 3.0, -3.0, -2.5) ];
output mat3 out0 = [ mat3(-5.0, -0.0, -2.0, 5.0, -2.0, -6.0, -0.0, -4.0, -3.0) | mat3(7.0, -4.0, -1.0, 3.0, 7.0, -5.0, -0.0, -3.0, -6.0) | mat3(-3.0, -6.0, 2.0, -5.0, 1.0, -7.0, -6.0, 6.0, 5.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
mat3 func (mat3 a)
{
return -2.0*a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case mat4
values
{
input mat4 in0 = [ mat4(-2.0, 3.5, -0.5, 1.0, -1.5, 0.0, -1.0, -1.0, 0.5, 0.5, 3.0, 1.5, 3.0, 2.5, 3.5, 1.5) | mat4(-2.5, 2.5, 3.5, 3.0, 0.5, 1.5, -2.0, 2.5, 0.5, -1.5, -3.5, 2.5, 3.5, -3.0, 2.5, -0.5) | mat4(-2.5, -1.5, 2.0, 3.0, -3.5, 1.0, -3.5, 1.5, -1.5, 3.0, 3.5, 0.0, 3.5, -1.5, -3.0, 0.5) ];
output mat4 out0 = [ mat4(4.0, -7.0, 1.0, -2.0, 3.0, -0.0, 2.0, 2.0, -1.0, -1.0, -6.0, -3.0, -6.0, -5.0, -7.0, -3.0) | mat4(5.0, -5.0, -7.0, -6.0, -1.0, -3.0, 4.0, -5.0, -1.0, 3.0, 7.0, -5.0, -7.0, 6.0, -5.0, 1.0) | mat4(5.0, 3.0, -4.0, -6.0, 7.0, -2.0, 7.0, -3.0, 3.0, -6.0, -7.0, -0.0, -7.0, 3.0, 6.0, -1.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
mat4 func (mat4 a)
{
return -2.0*a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case float_struct
values
{
input vec3 in0 = [ vec3(0.0, 1.0, -2.0) | vec3(2.0, 2.5, -4.0) ];
output float out0 = [ 1.0 | -0.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
struct Pos { float a, b, c; };
float func (Pos p)
{
return -(p.a + p.b + p.c);
}
void main()
{
Pos p = Pos(in0.x, in0.y, in0.z);
out0 = func(p);
${OUTPUT}
}
""
end
case struct_struct
values
{
input vec3 in0 = [ vec3(0.0, 1.0, -2.0) | vec3(2.0, 2.5, -4.0) ];
output float out0 = [ 1.0 | -0.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
struct Pos { float a, b, c; };
Pos func (Pos p)
{
return Pos(-p.a, -p.b, -p.c);
}
void main()
{
Pos p = Pos(in0.x, in0.y, in0.z);
p = func(p);
out0 = p.a + p.b + p.c;
${OUTPUT}
}
""
end
case struct_nested_struct
values
{
input vec3 in0 = [ vec3(0.0, 1.0, -2.0) | vec3(2.0, 2.5, -4.0) ];
output float out0 = [ 1.0 | -0.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
struct Pos { float a, b, c; };
struct Line { Pos start, end; };
Line func (Pos p)
{
return Line(p, Pos(-p.a, -p.b, -p.c));
}
float sum (Pos p)
{
return (p.a + p.b + p.c);
}
void main()
{
Pos p = Pos(in0.x, in0.y, in0.z);
Line line = func(p);
out0 = sum(line.start) + (2.0 * sum(line.end));
${OUTPUT}
}
""
end
case struct_constructor_highp_in_fragment
desc "passing highp vector to struct constructor in fragment shader yields all zeros"
vertex ""
${VERTEX_DECLARATIONS}
void main()
{
${VERTEX_OUTPUT}
}
""
fragment ""
#ifdef GL_FRAGMENT_PRECISION_HIGH
#define PRECISION highp
#else
#define PRECISION mediump
#endif
struct Test {
PRECISION vec3 color;
} ;
void main() {
PRECISION vec3 color = vec3(0.2, 2.0, 0.1);
Test test = Test(color);
// Bias the color so all components are guaranteed > 1.0.
gl_FragColor = vec4(vec3(0.25, 0.55, 0.65) + vec3(4.0, 0.25, 4.0) * test.color, 1.0);
}
""
end
end # datatypes
group qualifiers "Function Parameter Qualifiers"
case in_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (in float a)
{
a = -a;
return 2.0 * a;
}
void main()
{
${SETUP}
float f = in0;
float g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out float a)
{
a = -1.0;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout float a)
{
a = -a;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case in_lowp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (in lowp float a)
{
a = -a;
return 2.0 * a;
}
void main()
{
${SETUP}
float f = in0;
float g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_lowp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out lowp float a)
{
a = -1.0;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_lowp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout lowp float a)
{
a = -a;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case in_highp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (in highp float a)
{
a = -a;
return 2.0 * a;
}
void main()
{
${SETUP}
float f = in0;
float g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_highp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out highp float a)
{
a = -1.0;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_highp_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout highp float a)
{
a = -a;
}
void main()
{
${SETUP}
float f = 1.0;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case const_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (const float a)
{
float b = -a;
return 2.0 * b;
}
void main()
{
${SETUP}
float f = in0;
float g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case const_in_float
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (const in float a)
{
float b = -a;
return 2.0 * b;
}
void main()
{
${SETUP}
float f = in0;
float g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case in_int
values
{
input int in0 = [ 0 | 1 | -2 | 4 ];
output int out0 = [ 0 | -1 | 2 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (in int a)
{
a = -a;
return 2 * a;
}
void main()
{
${SETUP}
int f = in0;
int g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out int a)
{
a = -1;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout int a)
{
a = -a;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case in_lowp_int
values
{
input int in0 = [ 0 | 1 | -2 | 4 ];
output int out0 = [ 0 | -1 | 2 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (in lowp int a)
{
a = -a;
return 2 * a;
}
void main()
{
${SETUP}
int f = in0;
int g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_lowp_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out lowp int a)
{
a = -1;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_lowp_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout lowp int a)
{
a = -a;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case in_highp_int
values
{
input int in0 = [ 0 | 1 | -2 | 4 ];
output int out0 = [ 0 | -1 | 2 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (in highp int a)
{
a = -a;
return 2 * a;
}
void main()
{
${SETUP}
int f = in0;
int g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case out_highp_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (out highp int a)
{
a = -1;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case inout_highp_int
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
void func (inout highp int a)
{
a = -a;
}
void main()
{
${SETUP}
int f = 1;
func(f);
out0 = f * in0;
${OUTPUT}
}
""
end
case const_int
values
{
input int in0 = [ 0 | 1 | -2 | 4 ];
output int out0 = [ 0 | -1 | 2 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (const int a)
{
int b = -a;
return 2 * b;
}
void main()
{
${SETUP}
int f = in0;
int g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case const_in_int
values
{
input int in0 = [ 0 | 1 | -2 | 4 ];
output int out0 = [ 0 | -1 | 2 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (const in int a)
{
int b = -a;
return 2 * b;
}
void main()
{
${SETUP}
int f = in0;
int g = func(f);
out0 = f + g;
${OUTPUT}
}
""
end
case in_bool
values
{
input bool in0 = [ true | false ];
output bool out0 = [ true | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (in bool a)
{
a = !a;
return a;
}
void main()
{
${SETUP}
bool f = in0;
bool g = func(f);
out0 = (f != g);
${OUTPUT}
}
""
end
case out_bool
values
{
input bool in0 = [ true | false ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
void func (out bool a)
{
a = false;
}
void main()
{
${SETUP}
bool f = true;
func(f);
out0 = (in0 == f);
${OUTPUT}
}
""
end
case inout_bool
values
{
input bool in0 = [ true | false ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
void func (inout bool a)
{
a = !a;
}
void main()
{
${SETUP}
bool f = true;
func(f);
out0 = (in0 == f);
${OUTPUT}
}
""
end
end # qualifiers
group declarations "Function Declarations"
case void_vs_no_void
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func ();
void main()
{
out0 = func() * in0;
${OUTPUT}
}
float func (void)
{
return -1.0;
}
""
end
case in_vs_no_in
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float f);
void main()
{
out0 = func(in0);
${OUTPUT}
}
float func (in float f)
{
return -f;
}
""
end
case default_vs_explicit_precision
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float f);
void main()
{
out0 = func(in0);
${OUTPUT}
}
float func (mediump float f)
{
return -f;
}
""
end
end # declarations
group overloading "Function Overloading"
case user_func_arg_type_simple
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (float a)
{
return -a;
}
int func (int a)
{
return -a;
}
void main()
{
out0 = func(in0) * float(func(-1));
${OUTPUT}
}
""
end
case user_func_arg_float_types
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (float a) { return -a; }
vec2 func (vec2 a) { return a.yx; }
vec3 func (vec3 a) { return a.xxx; }
vec4 func (vec4 a) { return a.wwww; }
void main()
{
out0 = func(func(func(func(vec4(in0)).xyz).xy).x);
${OUTPUT}
}
""
end
case user_func_arg_int_types
values
{
input int in0 = [ 0 | 1 | -2 | 6 ];
output int out0 = [ 0 | -1 | 2 | -6 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (int a) { return -a; }
ivec2 func (ivec2 a) { return a.yx; }
ivec3 func (ivec3 a) { return a.xxx; }
ivec4 func (ivec4 a) { return a.wwww; }
void main()
{
${SETUP}
out0 = func(func(func(func(ivec4(in0)).xyz).xy).x);
${OUTPUT}
}
""
end
case user_func_arg_bool_types
values
{
input bool in0 = [ true | false ];
output bool out0 = [ false | true ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (bool a) { return !a; }
bvec2 func (bvec2 a) { return a.yx; }
bvec3 func (bvec3 a) { return a.xxx; }
bvec4 func (bvec4 a) { return a.wwww; }
void main()
{
${SETUP}
out0 = func(func(func(func(bvec4(in0)).xyz).xy).x);
${OUTPUT}
}
""
end
case user_func_arg_basic_types
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
float func (float a) { return -a; }
vec2 func (vec2 a) { return a.yx; }
vec3 func (vec3 a) { return a.xxx; }
vec4 func (vec4 a) { return a.wwww; }
int func (int a) { return -a; }
ivec2 func (ivec2 a) { return a.yx; }
ivec3 func (ivec3 a) { return a.xxx; }
ivec4 func (ivec4 a) { return a.wwww; }
bool func (bool a) { return !a; }
bvec2 func (bvec2 a) { return a.yx; }
bvec3 func (bvec3 a) { return a.xxx; }
bvec4 func (bvec4 a) { return a.wwww; }
void main()
{
${SETUP}
if (func(func(bvec4(false)).x))
out0 = func(in0) * float(func(-1));
else
out0 = float(func(func(ivec4(func(func(func(vec4(0.5)).xyz).xy).xxxx)).xy).x);
${OUTPUT}
}
""
end
case user_func_arg_complex_types
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
struct Pos { float a, b, c; };
struct Line { Pos start, end; };
float func (float a) { return -a; }
float func (float a[4]) { return a[0] + a[3]; }
vec2 func (vec2 a) { return a.yx; }
vec3 func (vec3 a) { return a.xxx; }
vec4 func (vec4 a) { return a.wwww; }
vec4 func (vec4 a[4]) { return a[1] + a[2]; }
int func (int a) { return -a; }
ivec2 func (ivec2 a) { return a.yx; }
ivec3 func (ivec3 a) { return a.xxx; }
ivec4 func (ivec4 a) { return a.wwww; }
bool func (bool a) { return !a; }
bvec2 func (bvec2 a) { return a.yx; }
bvec3 func (bvec3 a) { return a.xxx; }
bvec4 func (bvec4 a) { return a.wwww; }
Pos func (Pos a) { return a; }
Line func (Line a) { return Line(a.end, a.start); }
void main()
{
${SETUP}
float arr[4];
vec4 arr2[4];
out0 = func(arr) + func(arr2).x;
if (func(func(bvec4(false)).x))
out0 = func(in0) * float(func(-1));
else
out0 = float(func(func(ivec4(func(func(func(vec4(0.5)).xyz).xy).xxxx)).xy).x);
${OUTPUT}
}
""
end
case user_func_arguments
values
{
input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
return -a;
}
float func (float a, float b)
{
return a * b;
}
void main()
{
out0 = func(in0) * func(-0.5, -2.0);
${OUTPUT}
}
""
end
case builtin_sin
values
{
input int in0 = [ -1 | 0 | 1 | 4 ];
output int out0 = [ 1 | 0 | -1 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int sin(int a) { return -a; }
void main()
{
${SETUP}
out0 = sin(in0);
${OUTPUT}
}
""
end
case builtin_step
values
{
input int in0 = [ -1 | 0 | 1 | 4 ];
output int out0 = [ 1 | 0 | -1 | -4 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int step (float i, float j, int a) { return -a; }
void main()
{
${SETUP}
out0 = step(0.0, 1.0, in0);
${OUTPUT}
}
""
end
case array_size
values
{
output float out0 = [ 1.0 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float f[3])
{
return f[0];
}
float func (float f[4])
{
return f[1];
}
void main ()
{
${SETUP}
float x[4];
x[0] = -1.0;
x[1] = 1.0;
x[2] = x[3] = 0.0;
out0 = func(x);
${OUTPUT}
}
""
end
end # overloading
group array_arguments "Arrays as Arguments"
case local_in_float
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (in float a[4])
{
a[0] = -1.0;
a[2] = -4.0;
a[3] = -3.0 * a[1];
return a[0];
}
void main()
{
float arr[4];
arr[0] = in0.x;
arr[1] = in0.y;
arr[2] = in0.z;
arr[3] = in0.w;
float f = func(arr);
out0 = f * vec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case global_in_float
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (in float a[4])
{
a[0] = -1.0;
a[2] = -4.0;
a[3] = -3.0 * a[1];
return a[0];
}
float arr[4];
void main()
{
arr[0] = in0.x;
arr[1] = in0.y;
arr[2] = in0.z;
arr[3] = in0.w;
float f = func(arr);
out0 = f * vec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case local_in_int
values
{
input ivec4 in0 = [ ivec4(0, 1, 2, -4) | ivec4(-7, -11, 13, 19) ];
output ivec4 out0 = [ ivec4(0, -1, -2, 4) | ivec4(7, 11, -13, -19) ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (in int a[4])
{
a[0] = -1;
a[2] = -4;
a[3] = -3 * a[1];
return a[0];
}
void main()
{
${SETUP}
int arr[4];
arr[0] = in0.x;
arr[1] = in0.y;
arr[2] = in0.z;
arr[3] = in0.w;
int f = func(arr);
out0 = f * ivec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case global_in_int
values
{
input ivec4 in0 = [ ivec4(0, 1, 2, 4) | ivec4(-7, -11, 13, 19) ];
output ivec4 out0 = [ ivec4(0, -1, -2, -4) | ivec4(7, 11, -13, -19) ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int func (in int a[4])
{
a[0] = -1;
a[2] = -4;
a[3] = -3 * a[1];
return a[0];
}
int arr[4];
void main()
{
${SETUP}
arr[0] = in0.x;
arr[1] = in0.y;
arr[2] = in0.z;
arr[3] = in0.w;
int f = func(arr);
out0 = f * ivec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case local_in_bool
values
{
input bvec4 in0 = [ bvec4(true, true, false, true) | bvec4(false, false, false, false) ];
output bvec4 out0 = [ bvec4(false, false, true, false) | bvec4(true, true, true, true) ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (in bool a[4])
{
a[0] = false;
a[2] = true;
a[3] = !a[1];
return a[0];
}
void main()
{
${SETUP}
bool arr[4];
arr[0] = !in0.x;
arr[1] = !in0.y;
arr[2] = !in0.z;
arr[3] = !in0.w;
func(arr);
out0 = bvec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case global_in_bool
values
{
input bvec4 in0 = [ bvec4(true, true, false, true) | bvec4(false, false, false, false) ];
output bvec4 out0 = [ bvec4(false, false, true, false) | bvec4(true, true, true, true) ];
}
both ""
precision mediump float;
${DECLARATIONS}
bool func (in bool a[4])
{
a[0] = false;
a[2] = true;
a[3] = !a[1];
return a[0];
}
bool arr[4];
void main()
{
${SETUP}
arr[0] = !in0.x;
arr[1] = !in0.y;
arr[2] = !in0.z;
arr[3] = !in0.w;
func(arr);
out0 = bvec4(arr[0], arr[1], arr[2], arr[3]);
${OUTPUT}
}
""
end
case test_helpers
desc "Check that helper functions are supported properly."
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output float out0 = [ 1.0 | 1.0 ];
}
both ""
precision mediump float;
${DECLARATIONS}
vec4 get (in float arr[4]);
void set (out float arr[4], vec4 val);
void negate (inout float arr[4]);
bool test (in float arr[4], vec4 ref);
bool isEqual (in float a[4], in float b[4]);
void main()
{
float arr[4];
set(arr, in0);
negate(arr);
out0 = float(test(arr, -in0));
${OUTPUT}
}
float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
void negate (inout float arr[4]) { set(arr, -get(arr)); }
bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
""
end
case copy_local_in_on_call
desc "Check that local 'in' arguments are copied on call and don't alias."
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
vec4 get (in float arr[4]);
void set (out float arr[4], vec4 val);
void negate (inout float arr[4]);
bool test (in float arr[4], vec4 ref);
bool isEqual (in float a[4], in float b[4]);
float func (in float a[4], in float b[4])
{
a[0] = 2.123;
a[2] = -4.123;
return isEqual(a, b) ? 1.0 : -1.0;
}
void main()
{
float arr[4];
set(arr, in0);
out0 = in0 * func(arr, arr);
${OUTPUT}
}
float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
void negate (inout float arr[4]) { set(arr, -get(arr)); }
bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
""
end
case copy_global_in_on_call
desc "Check that global 'in' arguments are copied on call and don't alias."
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
vec4 get (in float arr[4]);
void set (out float arr[4], vec4 val);
void negate (inout float arr[4]);
bool test (in float arr[4], vec4 ref);
bool isEqual (in float a[4], in float b[4]);
float func (in float a[4], in float b[4])
{
a[0] = 2.123;
a[2] = -4.123;
return isEqual(a, b) ? 1.0 : -1.0;
}
float arr[4];
void main()
{
set(arr, in0);
out0 = in0 * func(arr, arr);
${OUTPUT}
}
float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
void negate (inout float arr[4]) { set(arr, -get(arr)); }
bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
""
end
case copy_local_inout_on_call
desc "Check that local 'in' arguments are copied on call and don't alias."
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
vec4 get (in float arr[4]);
void set (out float arr[4], vec4 val);
void negate (inout float arr[4]);
bool test (in float arr[4], vec4 ref);
bool isEqual (in float a[4], in float b[4]);
float func (inout float a[4], inout float b[4])
{
negate(a);
return isEqual(a, b) ? 1.0 : -1.0;
}
void main()
{
float arr[4];
set(arr, in0);
float m = func(arr, arr); // returns -1.0
float n = float(test(arr, in0) || test(arr, -in0));
out0 = in0 * m * n;
${OUTPUT}
}
float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
void negate (inout float arr[4]) { set(arr, -get(arr)); }
bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
""
end
case copy_global_inout_on_call
desc "Check that global 'in' arguments are copied on call and don't alias."
values
{
input vec4 in0 = [ vec4(0.0, 1.0, 2.0, -4.0) | vec4(-7.5, 12.125, -0.25, 16.0) ];
output vec4 out0 = [ vec4(0.0, -1.0, -2.0, 4.0) | vec4(7.5, -12.125, 0.25, -16.0) ];
}
both ""
precision mediump float;
${DECLARATIONS}
vec4 get (in float arr[4]);
void set (out float arr[4], vec4 val);
void negate (inout float arr[4]);
bool test (in float arr[4], vec4 ref);
bool isEqual (in float a[4], in float b[4]);
float func (in float a[4], in float b[4])
{
negate(a);
return isEqual(a, b) ? 1.0 : -1.0;
}
float arr[4];
void main()
{
set(arr, in0);
float m = func(arr, arr); // returns -1.0
float n = float(test(arr, in0) || test(arr, -in0));
out0 = in0 * m * n;
${OUTPUT}
}
float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
void negate (inout float arr[4]) { set(arr, -get(arr)); }
bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
""
end
# vec4 get (in float arr[4]);
# void set (out float arr[4], vec4 val);
# void negate (inout float arr[4]);
# bool test (in float arr[4], vec4 ref);
# bool isEqual (in float a[4], in float b[4]);
# float absDiff (vec4 a, vec4 b) { vec4 d = abs(a - b); return max(max(d.x, d.y), max(d.z, d.w)); }
# vec4 get (in float arr[4]) { return vec4(arr[0], arr[1], arr[2], arr[3]); }
# void set (out float arr[4], vec4 val) { arr[0] = val.x; arr[1] = val.y; arr[2] = val.z; arr[3] = val.w; }
# void negate (inout float arr[4]) { set(arr, -get(arr)); }
# bool test (in float arr[4], vec4 ref) { return (absDiff(get(arr), ref) < 0.1); }
# bool isEqual (in float a[4], in float b[4]) { return (absDiff(get(a), get(b)) < 0.1); }
end # array_arguments
#group qualifiers "Function Parameter Qualifiers"
#
#end # qualifiers
group control_flow "Control Flow In Functions"
case simple_return
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
return -a;
a = a * -1.0;
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_in_if
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
if (a != 0.0)
return -a;
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_in_else
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
if (a == 0.0)
return 1.0;
else
return -a;
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_in_loop
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 1; i++)
return -a;
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_in_loop_if
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 3; i++)
{
if (i == 1)
return a;
else if (i > 1)
return -1.0;
a = -a;
}
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_after_loop
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 5; i++)
a = -a;
return a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_after_break
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 6; i++)
{
a = -a;
if (i == 4)
break;
}
return a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_after_continue
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 6; i++)
{
if (i == 4)
continue;
a = -a;
}
return a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_in_nested_loop
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 6; i++)
{
a = -a;
for (int j = 0; j < 4; j++)
{
a = -a;
if (i == 1)
return a;
}
if (i == 4)
return 1.0;
}
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case return_after_loop_sequence
require full_glsl_es_100_support
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
int i;
for (i = 0; i < 6; i++) // negate a
{
a = -a;
if (i == 4)
a = -a;
}
for (; i < 10; i++) // keep a
{
if (i == 8)
continue;
else if (i == 9)
break;
a = -a;
}
return a;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
case mixed_return_break_continue
values
{
input float in0 = [ -0.5 | 1.5 ];
output float out0 = [ 0.5 | -1.5 ];
}
both ""
precision mediump float;
${DECLARATIONS}
float func (float a)
{
for (int i = 0; i < 6; i++)
{
if (i == 0)
continue;
else if (i == 1)
{
}
else if (i == 3)
break;
else
return a;
a = -a;
}
return 1.0;
}
void main()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
end # control_flow
group misc "Miscellaneous"
case multi_arg_float
values
{
input vec4 in0 = [ vec4(0.0, 1.0, -2.0, 0.5) | vec4(2.0, 2.5, 4.0, -7.0) ];
output float out0 = [ 0.5 | -1.5 ]; # -sum(in0)
}
both ""
precision mediump float;
${DECLARATIONS}
float sum(vec4 v) { return (v.x + v.y + v.z + v.w); }
float func (float a, vec3 b, vec2 c, vec2 d, vec4 e)
{
return -sum(vec4(a, b) + vec4(c, d)) + sum(e);
}
void main()
{
${SETUP}
out0 = func(in0.y, in0.xzw, in0.wz, in0.yx, in0);
${OUTPUT}
}
""
end
case multi_arg_int
values
{
input ivec4 in0 = [ ivec4(-1, 0, 2, 2) | ivec4(1, 4, -8, 2) ];
output int out0 = [ -3 | 1 ];
}
both ""
precision mediump float;
precision mediump int;
${DECLARATIONS}
int sum(ivec4 v) { return (v.x + v.y + v.z + v.w); }
int func (int a, ivec3 b, ivec2 c, ivec2 d, ivec4 e)
{
return -sum(ivec4(a, b) + ivec4(c, d)) + sum(e);
}
void main()
{
${SETUP}
out0 = func(in0.y, in0.xzw, in0.wz, in0.yx, in0);
${OUTPUT}
}
""
end
case argument_eval_order_1
values
{
input int in0 = [ 0 | 1 | 3 | 5 ];
output int out0 = [ -1 | 5 | 11 | 17 ];
}
both ""
precision mediump float;
${DECLARATIONS}
int func (float a, int b, bool c, int d)
{
if (c)
return b + int(a) + d;
else
return -1;
}
void main ()
{
${SETUP}
float v0 = float(in0);
int v1 = in0;
out0 = func((v0 += 1.0), v1++, (v0 > 1.5), v1);
${OUTPUT}
}
""
end
case argument_eval_order_2
values
{
input int in0 = [ 0 | -1 | 3 | 5 ];
output int out0 = [ 3 | -1 | 9 | 13 ];
}
both ""
precision mediump float;
${DECLARATIONS}
int g;
int modG (int v)
{
g += v;
return v;
}
int func (float a, int b, bool c, int d)
{
if (c)
return b + int(a) + d;
else
return -1;
}
void main ()
{
${SETUP}
out0 = func(float(g = in0), modG(2), --g > 0, g);
${OUTPUT}
}
""
end
case missing_returns
values
{
input float in0 = [ 1.0 | 2.0 | 3.0 ];
output float out0 = [ -1.0 | -2.0 | -3.0 ];
}
both ""
// Note specification says that returned value is undefined if no return
// statement has been executed. In this case func() is called only with
// positive values.
precision mediump float;
${DECLARATIONS}
float func (float f)
{
if (f > 0.0)
return -f;
}
void main ()
{
${SETUP}
out0 = func(in0);
${OUTPUT}
}
""
end
end # misc
group invalid "Invalid Functions"
case break_in_body
expect compile_fail
both ""
precision mediump float;
void func ()
{
break;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case continue_in_body
expect compile_fail
both ""
precision mediump float;
void func ()
{
continue;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case return_value_from_void_function
expect compile_fail
both ""
precision mediump float;
void func ()
{
return 1.0;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case extra_arguments
expect compile_fail
both ""
precision mediump float;
void func (float f)
{
}
void main ()
{
func(1.0, 2.0);
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case missing_arguments
expect compile_fail
both ""
precision mediump float;
void func (float f)
{
}
void main ()
{
func();
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case missing_argument_type
expect compile_fail
both ""
precision mediump float;
void func (in f)
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_basetype_mismatch
expect compile_fail
both ""
precision mediump float;
precision mediump int;
void func (float f)
{
}
void main ()
{
func(2);
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_scalar_vector_mismatch
expect compile_fail
both ""
precision mediump float;
void func (vec2 f)
{
}
void main ()
{
func(2.0);
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_vector_size_mismatch
expect compile_fail
both ""
precision mediump float;
void func (vec3 f)
{
}
void main ()
{
func(vec2(2.0));
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case duplicate_function
expect compile_fail
both ""
precision mediump float;
void func (vec3 f);
void func (vec3 f)
{
}
void func (vec3 f)
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case prototype_mismatch_return_type
expect compile_fail
both ""
precision mediump float;
void func (vec3 f);
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
float func (vec3 f)
{
return f.x;
}
""
end
case prototype_unspecified_array_size
expect compile_fail
both ""
precision mediump float;
void func (vec3 f[]);
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case call_mismatch_argument_array_size
expect compile_fail
both ""
precision mediump float;
void func (vec3 f[3]);
void func (vec3 f[3])
{
}
void main ()
{
vec3 array[4];
func(array);
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case prototype_mismatch_argument_const
expect compile_fail
both ""
precision mediump float;
void func (vec3 f);
void func (const vec3 f)
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case prototype_mismatch_argument_array_const
expect compile_fail
both ""
precision mediump float;
void func (vec3 f[3]);
void func (const vec3 f[3])
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case prototype_mismatch_array_inout
expect compile_fail
both ""
precision mediump float;
void func (out vec3 f);
void func (inout vec3 f)
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case missing_return_type
expect compile_fail
both ""
precision mediump float;
func (float f);
func (inout vec3 f[3])
{
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case call_before_definition
expect compile_fail
both ""
precision mediump float;
void main ()
{
func(1.0);
${POSITION_FRAG_COLOR} = vec4(1.0);
}
void func (float f)
{
}
""
end
case return_array_in_struct
expect compile_fail
both ""
precision mediump float;
struct Foo
{
float f;
float arr[2];
};
Foo func ()
{
Foo f;
f.f = 1.0;
f.arr[0] = 2.0;
return f;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_precision_overload
expect compile_fail
both ""
precision mediump float;
float func (lowp float f)
{
return f;
}
float func (mediump float f)
{
return f;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_in_out_overload
expect compile_fail
both ""
precision mediump float;
void func (in float f)
{
}
void func (out float f)
{
f = 1.0;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_in_inout_overload
expect compile_fail
both ""
precision mediump float;
void func (in float f)
{
}
void func (inout float f)
{
f = -f;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case argument_out_inout_overload
expect compile_fail
both ""
precision mediump float;
void func (out float f)
{
f = -1.0;
}
void func (inout float f)
{
f = -f;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case return_type_overload
expect compile_fail
both ""
precision mediump float;
float func (float f)
{
return f;
}
int func (float f)
{
return int(f);
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case return_type_precision_overload
expect compile_fail
both ""
precision mediump float;
lowp float func (float f)
{
return f;
}
mediump float func (float f)
{
return f;
}
void main ()
{
${POSITION_FRAG_COLOR} = vec4(1.0);
}
""
end
case return_type_const_overload
expect compile_fail
both ""
precision mediump float;
float func (float f)
{
return f;
}
const float func (