From: Ian Romanick <ian.d.roman...@intel.com> This reproduces bug #109075. In that bug, '-int(XYZ) & anything' was optimized as though it were '-int(XYZ) & floatBitsToInt(1.0)'.
Signed-off-by: Ian Romanick <ian.d.roman...@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109075 --- ...glsl-fs-bitwise-and-Boolean-and-1.0.shader_test | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 tests/shaders/glsl-fs-bitwise-and-Boolean-and-1.0.shader_test diff --git a/tests/shaders/glsl-fs-bitwise-and-Boolean-and-1.0.shader_test b/tests/shaders/glsl-fs-bitwise-and-Boolean-and-1.0.shader_test new file mode 100644 index 000000000..e59656326 --- /dev/null +++ b/tests/shaders/glsl-fs-bitwise-and-Boolean-and-1.0.shader_test @@ -0,0 +1,32 @@ +[require] +GLSL >= 1.30 +GL_ARB_shader_bit_encoding + +[vertex shader passthrough] + +[fragment shader] +#extension GL_ARB_shader_bit_encoding: enable + +out vec4 piglit_fragcolor; + +uniform int x = 37; +uniform int y = 46; + +void main() +{ + bool a = x == 37; // Must be true. + bool b = y == 46; // Must be true. + + /* This reproduces bug #109075. In that bug, '-int(XYZ) & anything' was + * optimized as though it were '-int(XYZ) & floatBitsToInt(1.0)'. + */ + piglit_fragcolor = vec4(intBitsToFloat(-int(a) & floatBitsToInt(0.5)), + intBitsToFloat(-int(b) & floatBitsToInt(0.5)), + 0.0, + 1.0); +} + +[test] +draw rect -1 -1 2 2 +probe all rgba 0.5 0.5 0.0 1.0 + -- 2.14.5 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/piglit
