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diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/data/gles3/shaders/functions.test b/dom/canvas/test/webgl-conf/checkout/deqp/data/gles3/shaders/functions.test
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@@ -0,0 +1,4345 @@
+# 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float a)
+ {
+ return -a;
+ }
+
+ void main()
+ {
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case float_vec2
+ version 300 es
+ values
+ {
+ input vec2 in0 = [ vec2(0.0, 1.0) | vec2(2.0, 2.5) ];
+ output float out0 = [ -1.0 | -4.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (vec2 a)
+ {
+ return -(a.x + a.y);
+ }
+
+ void main()
+ {
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case float_vec3
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ -1 | 0 | 1 | 4 ];
+ output int out0 = [ 1 | 0 | -1 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ int func (int a)
+ {
+ return -a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case int_ivec2
+ version 300 es
+ values
+ {
+ input ivec2 in0 = [ ivec2(-1, 0) | ivec2(1, 4) ];
+ output int out0 = [ 1 | -5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input ivec3 in0 = [ ivec3(-1, 0, 2) | ivec3(1, 4, -8) ];
+ output int out0 = [ -1 | 3 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input ivec4 in0 = [ ivec4(-1, 0, 2, 2) | ivec4(1, 4, -8, 2) ];
+ output int out0 = [ -3 | 1 ];
+ }
+
+ both ""
+ #version 300 es
+ 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 uint_uint
+ version 300 es
+ values
+ {
+ input uint in0 = [ 1 | 0 | 2 | 4 ];
+ output uint out0 = [ 1 | 0 | 4 | 16 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ uint func (uint a)
+ {
+ return a*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case uint_uvec2
+ version 300 es
+ values
+ {
+ input uvec2 in0 = [ uvec2(1, 0) | uvec2(2, 4) ];
+ output uint out0 = [ 1 | 6 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ uint func (uvec2 a)
+ {
+ return (a.x + a.y);
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case uint_uvec3
+ version 300 es
+ values
+ {
+ input uvec3 in0 = [ uvec3(1, 0, 2) | uvec3(1, 4, 8) ];
+ output uint out0 = [ 3 | 13 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ uint func (uvec3 a)
+ {
+ return (a.x + a.y + a.z);
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case uint_uvec4
+ version 300 es
+ values
+ {
+ input uvec4 in0 = [ uvec4(1, 0, 2, 2) | uvec4(1, 4, 8, 2) ];
+ output uint out0 = [ 5 | 15 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ uint func (uvec4 a)
+ {
+ return (a.x + a.y + a.z + a.w);
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case bool_bool
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ bool func (bool a)
+ {
+ return !a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case bool_bvec2
+ version 300 es
+ values
+ {
+ input bvec2 in0 = [ bvec2(true, true) | bvec2(false, true) ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ bool func (bvec2 a)
+ {
+ return !(a.x == a.y);
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case bool_bvec3
+ version 300 es
+ values
+ {
+ input bvec3 in0 = [ bvec3(true, true, false) | bvec3(true, false, false) ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat2 func (mat2 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat2x3
+ version 300 es
+ values
+ {
+ input mat2x3 in0 = [ mat2x3(2.5, 0.0, 1.0, -2.5, 1.0, 3.0) | mat2x3(0.0, 2.0, 1.5, -3.5, 2.0, 0.5) | mat2x3(-1.5, -3.5, 2.5, 0.0, 1.5, 3.0) ];
+ output mat2x3 out0 = [ mat2x3(-5.0, -0.0, -2.0, 5.0, -2.0, -6.0) | mat2x3(-0.0, -4.0, -3.0, 7.0, -4.0, -1.0) | mat2x3(3.0, 7.0, -5.0, -0.0, -3.0, -6.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat2x3 func (mat2x3 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat2x4
+ version 300 es
+ values
+ {
+ input mat2x4 in0 = [ mat2x4(1.5, 3.0, -1.0, 2.5, -0.5, 3.5, 3.0, -3.0) | mat2x4(-2.5, -2.0, 3.5, -0.5, 1.0, -1.5, 0.0, -1.0) | mat2x4(-1.0, 0.5, 0.5, 3.0, 1.5, 3.0, 2.5, 3.5) ];
+ output mat2x4 out0 = [ mat2x4(-3.0, -6.0, 2.0, -5.0, 1.0, -7.0, -6.0, 6.0) | mat2x4(5.0, 4.0, -7.0, 1.0, -2.0, 3.0, -0.0, 2.0) | mat2x4(2.0, -1.0, -1.0, -6.0, -3.0, -6.0, -5.0, -7.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat2x4 func (mat2x4 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat3x2
+ version 300 es
+ values
+ {
+ input mat3x2 in0 = [ mat3x2(1.5, -2.5, 2.5, 3.5, 3.0, 0.5) | mat3x2(1.5, -2.0, 2.5, 0.5, -1.5, -3.5) | mat3x2(2.5, 3.5, -3.0, 2.5, -0.5, -2.5) ];
+ output mat3x2 out0 = [ mat3x2(-3.0, 5.0, -5.0, -7.0, -6.0, -1.0) | mat3x2(-3.0, 4.0, -5.0, -1.0, 3.0, 7.0) | mat3x2(-5.0, -7.0, 6.0, -5.0, 1.0, 5.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat3x2 func (mat3x2 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat3
+ version 300 es
+ values
+ {
+ input mat3 in0 = [ mat3(-1.5, 2.0, 3.0, -3.5, 1.0, -3.5, 1.5, -1.5, 3.0) | mat3(3.5, 0.0, 3.5, -1.5, -3.0, 0.5, -3.5, -2.5, -0.5) | mat3(1.0, -2.5, -3.5, 3.0, -1.5, 3.5, 3.0, -1.0, -0.5) ];
+ output mat3 out0 = [ mat3(3.0, -4.0, -6.0, 7.0, -2.0, 7.0, -3.0, 3.0, -6.0) | mat3(-7.0, -0.0, -7.0, 3.0, 6.0, -1.0, 7.0, 5.0, 1.0) | mat3(-2.0, 5.0, 7.0, -6.0, 3.0, -7.0, -6.0, 2.0, 1.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat3 func (mat3 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat3x4
+ version 300 es
+ values
+ {
+ input mat3x4 in0 = [ mat3x4(0.0, 1.0, 0.5, 0.5, 1.0, 3.5, 0.0, -0.5, 1.5, -2.0, -1.5, 3.5) | mat3x4(0.0, 0.5, -3.5, -0.5, 0.5, -3.5, 1.0, 1.0, -3.5, 1.0, -0.5, 1.5) | mat3x4(-1.0, 1.5, 2.0, -3.5, -3.5, 1.5, 3.5, -2.0, -0.5, 0.5, -1.5, -1.0) ];
+ output mat3x4 out0 = [ mat3x4(-0.0, -2.0, -1.0, -1.0, -2.0, -7.0, -0.0, 1.0, -3.0, 4.0, 3.0, -7.0) | mat3x4(-0.0, -1.0, 7.0, 1.0, -1.0, 7.0, -2.0, -2.0, 7.0, -2.0, 1.0, -3.0) | mat3x4(2.0, -3.0, -4.0, 7.0, 7.0, -3.0, -7.0, 4.0, 1.0, -1.0, 3.0, 2.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat3x4 func (mat3x4 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat4x2
+ version 300 es
+ values
+ {
+ input mat4x2 in0 = [ mat4x2(-1.5, -1.0, 0.5, -1.5, -1.0, 2.0, -3.5, 0.5) | mat4x2(2.0, -1.5, -2.0, 2.5, -2.0, -2.5, -0.5, 1.5) | mat4x2(-3.0, -1.5, -1.0, 2.5, -0.5, 2.5, -2.5, -1.0) ];
+ output mat4x2 out0 = [ mat4x2(3.0, 2.0, -1.0, 3.0, 2.0, -4.0, 7.0, -1.0) | mat4x2(-4.0, 3.0, 4.0, -5.0, 4.0, 5.0, 1.0, -3.0) | mat4x2(6.0, 3.0, 2.0, -5.0, 1.0, -5.0, 5.0, 2.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat4x2 func (mat4x2 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat4x3
+ version 300 es
+ values
+ {
+ input mat4x3 in0 = [ mat4x3(1.0, 3.0, -0.5, -2.0, -3.0, 0.0, -2.5, 2.5, 2.5, -2.5, -1.5, 2.5) | mat4x3(1.0, 2.5, -1.0, -3.0, -1.5, 2.0, -1.5, -1.0, -0.5, -0.5, -0.5, 3.0) | mat4x3(-2.5, -3.5, 3.5, 3.0, 3.5, -0.5, 3.5, 3.0, -2.0, 2.0, 2.5, 1.0) ];
+ output mat4x3 out0 = [ mat4x3(-2.0, -6.0, 1.0, 4.0, 6.0, -0.0, 5.0, -5.0, -5.0, 5.0, 3.0, -5.0) | mat4x3(-2.0, -5.0, 2.0, 6.0, 3.0, -4.0, 3.0, 2.0, 1.0, 1.0, 1.0, -6.0) | mat4x3(5.0, 7.0, -7.0, -6.0, -7.0, 1.0, -7.0, -6.0, 4.0, -4.0, -5.0, -2.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat4x3 func (mat4x3 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+
+ case mat4
+ version 300 es
+ values
+ {
+ input mat4 in0 = [ mat4(0.0, -1.5, -1.0, -2.0, -3.0, 0.5, -1.5, 2.5, -3.5, 3.0, 1.5, 3.0, 3.0, 3.0, 0.5, -3.5) | mat4(2.0, -2.5, -1.5, 1.0, 0.0, -0.5, 3.5, 1.0, -1.0, -2.0, 2.5, 0.0, 2.0, -1.0, -2.5, 0.5) | mat4(2.5, -2.5, 2.0, 3.0, 2.5, 2.5, -3.5, 1.0, 2.5, -3.5, -1.5, -1.5, 0.0, -0.5, 0.0, 2.0) ];
+ output mat4 out0 = [ mat4(-0.0, 3.0, 2.0, 4.0, 6.0, -1.0, 3.0, -5.0, 7.0, -6.0, -3.0, -6.0, -6.0, -6.0, -1.0, 7.0) | mat4(-4.0, 5.0, 3.0, -2.0, -0.0, 1.0, -7.0, -2.0, 2.0, 4.0, -5.0, -0.0, -4.0, 2.0, 5.0, -1.0) | mat4(-5.0, 5.0, -4.0, -6.0, -5.0, -5.0, 7.0, -2.0, -5.0, 7.0, 3.0, 3.0, -0.0, 1.0, -0.0, -4.0) ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ mat4 func (mat4 a)
+ {
+ return -2.0*a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case float_struct
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+
+
+end # datatypes
+
+group qualifiers "Function Parameter Qualifiers"
+
+ case in_float
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 4 ];
+ output int out0 = [ 0 | -1 | 2 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 4 ];
+ output int out0 = [ 0 | -1 | 2 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 4 ];
+ output int out0 = [ 0 | -1 | 2 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 4 ];
+ output int out0 = [ 0 | -1 | 2 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 4 ];
+ output int out0 = [ 0 | -1 | 2 | -4 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ true | true ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (inout bool a)
+ {
+ a = !a;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ bool f = true;
+ func(f);
+ out0 = (in0 == f);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case const_bool
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ true | true ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ bool func (const bool a)
+ {
+ bool b = !a;
+ return b;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ bool f = in0;
+ bool g = func(f);
+ out0 = (f != g);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+end # qualifiers
+
+group declarations "Function Declarations"
+
+ case basic
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (void);
+
+ float func (void)
+ {
+ return -1.0;
+ }
+
+ void main()
+ {
+ out0 = func() * in0;
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case basic_arg
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float f);
+
+ float func (float f)
+ {
+ return -f;
+ }
+
+ void main()
+ {
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case define_after_use
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (void);
+
+ void main()
+ {
+ out0 = func() * in0;
+ ${OUTPUT}
+ }
+
+ float func (void)
+ {
+ return -1.0;
+ }
+ ""
+ end
+
+ case double_declare
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (void);
+
+ float func (void);
+
+ float func (void)
+ {
+ return -1.0;
+ }
+
+ void main()
+ {
+ out0 = func() * in0;
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case declare_after_define
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (void)
+ {
+ return -1.0;
+ }
+
+ float func (void);
+
+ void main()
+ {
+ out0 = func() * in0;
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case void_vs_no_void
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func ();
+
+ void main()
+ {
+ out0 = func() * in0;
+ ${OUTPUT}
+ }
+
+ float func (void)
+ {
+ return -1.0;
+ }
+ ""
+ end
+
+ case in_vs_no_in
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | -2 | 6 ];
+ output int out0 = [ 0 | -1 | 2 | -6 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input bool in0 = [ true | false ];
+ output bool out0 = [ false | true ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ 0.0 | 1.0 | -2.0 | 2.5 ];
+ output float out0 = [ 0.0 | -1.0 | 2.0 | -2.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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 array_size
+ version 300 es
+ values
+ {
+ output float out0 = [ 1.0 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float f[3])
+ {
+ return f[0];
+ }
+
+ float func (float f[4])
+ {
+ return f[1];
+ }
+
+ void main ()
+ {
+ ${SETUP}
+ float[4] x = float[4] (-1.0, 1.0, 0.0, 0.0);
+ out0 = func(x);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+end # overloading
+
+group array_arguments "Arrays as Arguments"
+
+ case local_in_float
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float a)
+ {
+ while (a < 100.0)
+ return -a;
+ return 1.0;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case return_in_loop_if
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float a)
+ {
+ while (a < 100.0)
+ {
+ a = -a;
+ if (a != 0.0)
+ return a;
+ else
+ return -1.0;
+ }
+ return 1.0;
+ }
+
+ void main()
+ {
+ ${SETUP}
+ out0 = func(in0);
+ ${OUTPUT}
+ }
+ ""
+ end
+
+ case return_after_loop
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input float in0 = [ -0.5 | 1.5 ];
+ output float out0 = [ 0.5 | -1.5 ];
+ }
+
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float a)
+ {
+ int i;
+ for (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
+ version 300 es
+ 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 ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input ivec4 in0 = [ ivec4(-1, 0, 2, 2) | ivec4(1, 4, -8, 2) ];
+ output int out0 = [ -3 | 1 ];
+ }
+
+ both ""
+ #version 300 es
+ 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | 1 | 3 | 5 ];
+ output int out0 = [ -1 | 5 | 11 | 17 ];
+ }
+
+ both ""
+ #version 300 es
+ precision highp 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
+ version 300 es
+ values
+ {
+ input int in0 = [ 0 | -1 | 3 | 5 ];
+ output int out0 = [ 3 | -1 | 9 | 13 ];
+ }
+
+ both ""
+ #version 300 es
+ precision highp 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
+
+end # misc
+
+group invalid "Invalid Functions"
+ case break_in_body
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func ()
+ {
+ break;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case continue_in_body
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func ()
+ {
+ continue;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case return_value_from_void_function
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func ()
+ {
+ return 1.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case extra_arguments
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (float f)
+ {
+ }
+
+ void main ()
+ {
+ func(1.0, 2.0);
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case missing_arguments
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (float f)
+ {
+ }
+
+ void main ()
+ {
+ func();
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case missing_argument_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (in f)
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case argument_basetype_mismatch
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ void func (float f)
+ {
+ }
+
+ void main ()
+ {
+ func(2);
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case argument_scalar_vector_mismatch
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec2 f)
+ {
+ }
+
+ void main ()
+ {
+ func(2.0);
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case argument_vector_size_mismatch
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ }
+
+ void main ()
+ {
+ func(vec2(2.0));
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case duplicate_function
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f[]);
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case call_mismatch_argument_array_size
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f);
+ void func (const vec3 f)
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case prototype_mismatch_argument_array_const
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (out vec3 f);
+ void func (inout vec3 f)
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case missing_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ func (float f);
+ func (inout vec3 f[3])
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case call_before_definition
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void main ()
+ {
+ func(1.0);
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+
+ void func (float f)
+ {
+ }
+
+ ""
+ end
+
+ case argument_precision_overload
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ 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
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float f)
+ {
+ return f;
+ }
+
+ const float func (float f)
+ {
+ return f;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case return_without_value
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (float f)
+ {
+ return;
+ return 1.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case local_function_prototype
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void main ()
+ {
+ float func (float f);
+
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case local_function_definition
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void main ()
+ {
+ float func (float f)
+ {
+ return 1.0;
+ }
+
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case name_type_conflict
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ struct foo { float a; }
+
+ float foo (float f)
+ {
+ return 1.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case const_overload
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ }
+
+ void func (const vec3 f)
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case uniform_local
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ uniform float u;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case in_local
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ in float v;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case out_local
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ in float a;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case inout_local
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (vec3 f)
+ {
+ inout float a;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case uniform_argument
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void func (uniform vec3 f)
+ {
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case uniform_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ uniform float func (vec3 f)
+ {
+ return f.x;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case in_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ in float func (vec3 f)
+ {
+ return f.x;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(vec3(1.0)));
+ }
+ ""
+ end
+
+ case out_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ out float func (vec3 f)
+ {
+ return f.x;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(vec3(1.0)));
+ }
+ ""
+ end
+
+ case inout_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ inout float func (vec3 f)
+ {
+ return f.x;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(vec3(1.0)));
+ }
+ ""
+ end
+
+ case main_invalid_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case main_has_arguments
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ void main (float f)
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case main_missing_return_type
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case write_const_arg
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (const float f)
+ {
+ f = 1.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case write_const_array_arg
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (const float f[3])
+ {
+ f[0] = 1.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(1.0);
+ }
+ ""
+ end
+
+ case use_const_arg_in_const_expr
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (const int i)
+ {
+ const int z = i+1;
+ return float(z);
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(1));
+ }
+ ""
+ end
+
+ case use_const_arg_as_array_size
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float func (const int i)
+ {
+ float f[i];
+ f[0] = 1.0;
+ return f[0];
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(1));
+ }
+ ""
+ end
+
+ case overload_builtin_function
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ int sin (int x)
+ {
+ return int(sin(float(x)));
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(sin(1));
+ }
+ ""
+ end
+
+ case redefine_builtin_function
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float sin (float x)
+ {
+ return 0.0;
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(sin(1.0));
+ }
+ ""
+ end
+
+ case basic_recursion
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float fib (float x)
+ {
+ if (x <= 1.0)
+ return x;
+ else
+ return fib(x-2.0) + fib(x-1.0);
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(fib(5.0));
+ }
+ ""
+ end
+
+ case simple_tail_recursion
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+
+ float rec (float x)
+ {
+ if (x <= 0.0)
+ return 0.0;
+ else
+ return rec(x-1.0);
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(rec(5.0));
+ }
+ ""
+ end
+
+ case dynamic_conditional_recursion
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+ uniform float ua;
+ uniform float ub;
+
+ float funcA (float x);
+ float funcB (float x);
+
+ float funcA (float x)
+ {
+ if (ub+x > 0.0)
+ funcB(x*2.0);
+ else
+ return ub;
+ }
+
+ float funcB (float x)
+ {
+ return sqrt(funcA(x));
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(funcB(ua));
+ }
+ ""
+ end
+
+ case dynamic_loop_recursion
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+ uniform float ua;
+ uniform float ub;
+
+ float funcA (float x);
+ float funcB (float x);
+
+ float funcA (float x)
+ {
+ for (float z = 0.0; z < ub+x; z++)
+ {
+ if (z > 2.0)
+ funcB(z*2.0);
+ else
+ return z;
+ }
+ }
+
+ float funcB (float x)
+ {
+ return sqrt(funcA(x));
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(funcB(ua));
+ }
+ ""
+ end
+
+ case dynamic_switch_recursion
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ ${DECLARATIONS}
+ uniform float ua;
+ uniform mediump int ub;
+
+ float funcA (float x);
+ float funcB (float x);
+
+ float funcA (float x)
+ {
+ switch (ub + int(x))
+ {
+ case 0: return ua-1.0;
+ case 1: return ua;
+ case 2: return funcB(x*2.0);
+ default: return 0.0;
+ }
+ }
+
+ float funcB (float x)
+ {
+ return sqrt(funcA(x));
+ }
+
+ void main ()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(funcB(ua));
+ }
+ ""
+ end
+
+ case modify_const_arg
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ int func (const int a)
+ {
+ a = -a;
+ return 2 * a;
+ }
+
+ void main()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(3));
+ }
+ ""
+ end
+
+ case init_const_local_from_const_arg
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ int func (const int a)
+ {
+ const int b = -a;
+ return 2 * b;
+ }
+
+ void main()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(3));
+ }
+ ""
+ end
+
+ case array_size_from_const_arg
+ version 300 es
+ expect compile_fail
+ both ""
+ #version 300 es
+ precision mediump float;
+ precision mediump int;
+ ${DECLARATIONS}
+
+ int func (const int a)
+ {
+ int arr[a];
+ arr[1] = 3;
+ return arr[1];
+ }
+
+ void main()
+ {
+ ${POSITION_FRAG_COLOR} = vec4(func(3));
+ }
+ ""
+ end
+
+end # invalid
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 17:27:52 +0000