--- .../built-in-functions/fs-frexp.shader_test | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 tests/spec/arb_gpu_shader5/execution/built-in-functions/fs-frexp.shader_test
diff --git a/tests/spec/arb_gpu_shader5/execution/built-in-functions/fs-frexp.shader_test b/tests/spec/arb_gpu_shader5/execution/built-in-functions/fs-frexp.shader_test new file mode 100644 index 0000000..2bef71d --- /dev/null +++ b/tests/spec/arb_gpu_shader5/execution/built-in-functions/fs-frexp.shader_test @@ -0,0 +1,64 @@ +[require] +GLSL >= 1.50 +GL_ARB_gpu_shader5 + +[vertex shader] +in vec4 vertex; + +void main() { + gl_Position = vertex; +} + +[fragment shader] +#extension GL_ARB_gpu_shader5 : enable + +out vec4 color; + +uniform vec4 given_float; +uniform vec4 expected_mantissa; +uniform ivec4 expected_exponent; + +void main() +{ + /* Green if both pass. */ + color = vec4(0.0, 1.0, 0.0, 1.0); + + ivec4 exponent; + vec4 mantissa; + + mantissa = frexp(given_float, exponent); + + if (mantissa != expected_mantissa) { + color.r = 1.0; + } + + if (exponent != expected_exponent) { + color.b = 1.0; + } +} + +[vertex data] +vertex/float/2 +-1.0 -1.0 + 1.0 -1.0 + 1.0 1.0 +-1.0 1.0 + +[test] +uniform vec4 given_float 0.0 -0.0 0.5 -0.5 +uniform vec4 expected_mantissa 0.0 -0.0 0.5 -0.5 +uniform ivec4 expected_exponent 0 0 0 0 +draw arrays GL_TRIANGLE_FAN 0 4 +probe all rgba 0.0 1.0 0.0 1.0 + +uniform vec4 given_float 0.49 1.0 25.0 100 +uniform vec4 expected_mantissa 0.98 0.5 0.78125 0.78125 +uniform ivec4 expected_exponent -1 1 5 7 +draw arrays GL_TRIANGLE_FAN 0 4 +probe all rgba 0.0 1.0 0.0 1.0 + +uniform vec4 given_float 1.1754944e-38 -1.1754944e-38 3.40282347e38 -3.40282347e38 +uniform vec4 expected_mantissa 0.5 -0.5 0.999999940 -0.999999940 +uniform ivec4 expected_exponent -125 -125 128 128 +draw arrays GL_TRIANGLE_FAN 0 4 +probe all rgba 0.0 1.0 0.0 1.0 -- 1.8.3.2 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/piglit