diff options
| -rw-r--r-- | tests/spec/arb_gpu_shader5/execution/built-in-functions/const-findLSB.shader_test | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/spec/arb_gpu_shader5/execution/built-in-functions/const-findLSB.shader_test b/tests/spec/arb_gpu_shader5/execution/built-in-functions/const-findLSB.shader_test new file mode 100644 index 000000000..b62df921d --- /dev/null +++ b/tests/spec/arb_gpu_shader5/execution/built-in-functions/const-findLSB.shader_test @@ -0,0 +1,59 @@ +[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 + +void bad_constant_folding(); + +out vec4 color; + +void main() +{ + /* Green if both pass. */ + color = vec4(0.0, 1.0, 0.0, 1.0); + + if (ivec4(-1) != findLSB(ivec4(0))) + bad_constant_folding(); + else if (ivec4(-1) != findLSB(uvec4(0u))) + bad_constant_folding(); + + if (ivec4(0, 1, 0, 2) != findLSB(ivec4(1, 2, 3, 4))) + bad_constant_folding(); + else if (ivec4(0, 1, 0, 2) != findLSB(uvec4(1u, 2u, 3u, 4u))) + bad_constant_folding(); + + if (ivec4(10, 9, 8, 7) != findLSB(ivec4(1024, 512, 256, 128))) + bad_constant_folding(); + else if (ivec4(10, 9, 8, 7) != findLSB(uvec4(1024u, 512u, 256u, 128u))) + bad_constant_folding(); + + if (ivec4(0, 1, 0, 2) != findLSB(ivec4(-1, -2, -3, -4))) + bad_constant_folding(); + else if (ivec4(0, 1, 0, 2) != findLSB(uvec4(0xFFFFFFFFu, 0xFFFFFFFEu, 0xFFFFFFFDu, 0xFFFFFFFCu))) + bad_constant_folding(); + + if (ivec4(31, 30, 29, 28) != findLSB(ivec4(-2147483648, 1073741824, 536870912, 268435456))) + bad_constant_folding(); + else if (ivec4(31, 30, 29, 28) != findLSB(uvec4(0x80000000u, 0x40000000u, 0x20000000u, 0x10000000u))) + bad_constant_folding(); +} + +[vertex data] +vertex/float/2 +-1.0 -1.0 + 1.0 -1.0 + 1.0 1.0 +-1.0 1.0 + +[test] +draw arrays GL_TRIANGLE_FAN 0 4 +probe all rgba 0.0 1.0 0.0 1.0 |