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import re
def emit_test(f, func, input1, input2, expected):
# Determine the expected return type of the equal function by looking at
# the string of the expected return value.
s = expected.split("(")
spaces = re.sub("[^ ]", " ", func+s[0])
test = """
[require]
GL >= 2.0
GLSL >= 1.20
[vertex shader file]
glsl-mvp.vert
[fragment shader]
#version 120
void main()
{
const %s res = %s(%s,
%s%s);
gl_FragColor = (res == %s)
? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
}
[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.0 1.0 0.0
""" % (s[0], func, input1, spaces, input2, expected)
f.write(test)
test_vectors = [
[
"vec2(3.0, 3.14)",
"vec2(-6.0, 7.88)",
"bvec2(false, false)"
],
[
"vec3(13.4, -0.9, 12.55)",
"vec3(13.4, 12.0, -55.3)",
"bvec3(true, false, false)"
],
[
"vec4(-2.0, 0.0, 0.123, -1000.5)",
"vec4(-2.4, 0.0, 0.456, 12.5)",
"bvec4(false, true, false, false)"
],
[
"ivec2(-8, 12)",
"ivec2(-19, 12)",
"bvec2(false, true)"
],
[
"ivec3(0, 8, 89)",
"ivec3(4, -7, 33)",
"bvec3(false, false, false)"
],
[
"ivec4(11, 1000, 1, -18)",
"ivec4(55, 1000, -21, -17)",
"bvec4(false, true, false, false)"
],
[
"bvec2(true, false)",
"bvec2(true, true)",
"bvec2(true, false)"
],
[
"bvec3(false, true, false)",
"bvec3(false, false, true)",
"bvec3(true, false, false)"
],
[
"bvec4(true, false, false, true)",
"bvec4(true, true, false, false)",
"bvec4(true, false, true, false)"
]
]
test_id = 2
for x in test_vectors:
name = "glsl-const-builtin-%s-%02d.shader_test" % ("equal", test_id)
test_id = test_id + 1
f = open(name, "w")
emit_test(f, "equal", x[0], x[1], x[2])
f.close()
test_id = 2
for x in test_vectors:
name = "glsl-const-builtin-%s-%02d.shader_test" % ("notEqual", test_id)
test_id = test_id + 1
# When generating the notEqual tests, each of the values in the expected
# result vector need to be inverted
expected = re.sub("true", "FALSE", x[2])
expected = re.sub("false", "TRUE", expected)
expected = expected.lower()
f = open(name, "w")
emit_test(f, "notEqual", x[0], x[1], expected)
f.close()
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