diff options
author | Ian Romanick <ian.d.romanick@intel.com> | 2018-09-09 15:32:11 -0700 |
---|---|---|
committer | Ian Romanick <ian.d.romanick@intel.com> | 2018-09-19 00:33:06 -0700 |
commit | 1a8e582aadd8b93bf167cf13a5779a21db4770a0 (patch) | |
tree | b3825340158465fbb0e061f7af94dd1a1a9d0b40 /tests/spec | |
parent | 743a65f82e6fe5bb097d0af92e046b4f08821e9e (diff) |
glsl-1.10: Verify result of sign(a)*sign(b)
These tests caught a bug in an optimized version of nir_op_fsign that I
was working on for i965. I thought of a couple clever ways to optimize
sign(a)*sign(b), but most of those ways would fail one or more of the
tests with ±Inf.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'tests/spec')
-rw-r--r-- | tests/spec/glsl-1.10/execution/fs-sign-times-sign.shader_test | 53 | ||||
-rw-r--r-- | tests/spec/glsl-1.10/execution/vs-sign-times-sign.shader_test | 61 |
2 files changed, 114 insertions, 0 deletions
diff --git a/tests/spec/glsl-1.10/execution/fs-sign-times-sign.shader_test b/tests/spec/glsl-1.10/execution/fs-sign-times-sign.shader_test new file mode 100644 index 000000000..c46320b20 --- /dev/null +++ b/tests/spec/glsl-1.10/execution/fs-sign-times-sign.shader_test @@ -0,0 +1,53 @@ +[require] +GLSL >= 1.10 + +[vertex shader passthrough] + +[fragment shader] +uniform vec4 v[25]; + +void main() +{ + vec4 color = vec4(0.0, 1.0, 0.0, 1.0); + + for (int i = 0; i < 25; i++) { + if (sign(v[i].x) * sign(v[i].y) != v[i].z) + color = vec4(1.0, 0.0, 0.0, 1.0); + } + + gl_FragColor = color; +} + +[test] +uniform vec4 v[0] 5.0 5.0 1.0 0.0 +uniform vec4 v[1] 5.0 -5.0 -1.0 0.0 +uniform vec4 v[2] 5.0 0.0 0.0 0.0 +uniform vec4 v[3] 5.0 0x7f000000 1.0 0.0 +uniform vec4 v[4] 5.0 0xff000000 -1.0 0.0 + +uniform vec4 v[5] -5.0 5.0 -1.0 0.0 +uniform vec4 v[6] -5.0 -5.0 1.0 0.0 +uniform vec4 v[7] -5.0 0.0 0.0 0.0 +uniform vec4 v[8] -5.0 0x7f000000 -1.0 0.0 +uniform vec4 v[9] -5.0 0xff000000 1.0 0.0 + +uniform vec4 v[10] 0.0 5.0 0.0 0.0 +uniform vec4 v[11] 0.0 -5.0 0.0 0.0 +uniform vec4 v[12] 0.0 0.0 0.0 0.0 +uniform vec4 v[13] 0.0 0x7f000000 0.0 0.0 +uniform vec4 v[14] 0.0 0xff000000 0.0 0.0 + +uniform vec4 v[15] 0x7f000000 5.0 1.0 0.0 +uniform vec4 v[16] 0x7f000000 -5.0 -1.0 0.0 +uniform vec4 v[17] 0x7f000000 0.0 0.0 0.0 +uniform vec4 v[18] 0x7f000000 0x7f000000 1.0 0.0 +uniform vec4 v[19] 0x7f000000 0xff000000 -1.0 0.0 + +uniform vec4 v[20] 0xff000000 5.0 -1.0 0.0 +uniform vec4 v[21] 0xff000000 -5.0 1.0 0.0 +uniform vec4 v[22] 0xff000000 0.0 0.0 0.0 +uniform vec4 v[23] 0xff000000 0x7f000000 -1.0 0.0 +uniform vec4 v[24] 0xff000000 0xff000000 1.0 0.0 + +draw rect -1 -1 2 2 +probe rgb 1 1 0.0 1.0 0.0 diff --git a/tests/spec/glsl-1.10/execution/vs-sign-times-sign.shader_test b/tests/spec/glsl-1.10/execution/vs-sign-times-sign.shader_test new file mode 100644 index 000000000..ab28b650a --- /dev/null +++ b/tests/spec/glsl-1.10/execution/vs-sign-times-sign.shader_test @@ -0,0 +1,61 @@ +[require] +GLSL >= 1.10 + +[vertex shader] +uniform vec4 v[25]; + +varying vec4 color; + +void main() +{ + color = vec4(0.0, 1.0, 0.0, 1.0); + + for (int i = 0; i < 25; i++) { + if (sign(v[i].x) * sign(v[i].y) != v[i].z) + color = vec4(1.0, 0.0, 0.0, 1.0); + } + + gl_Position = gl_Vertex; +} + +[fragment shader] +varying vec4 color; + +void main() +{ + gl_FragColor = color; +} + +[test] +uniform vec4 v[0] 5.0 5.0 1.0 0.0 +uniform vec4 v[1] 5.0 -5.0 -1.0 0.0 +uniform vec4 v[2] 5.0 0.0 0.0 0.0 +uniform vec4 v[3] 5.0 0x7f000000 1.0 0.0 +uniform vec4 v[4] 5.0 0xff000000 -1.0 0.0 + +uniform vec4 v[5] -5.0 5.0 -1.0 0.0 +uniform vec4 v[6] -5.0 -5.0 1.0 0.0 +uniform vec4 v[7] -5.0 0.0 0.0 0.0 +uniform vec4 v[8] -5.0 0x7f000000 -1.0 0.0 +uniform vec4 v[9] -5.0 0xff000000 1.0 0.0 + +uniform vec4 v[10] 0.0 5.0 0.0 0.0 +uniform vec4 v[11] 0.0 -5.0 0.0 0.0 +uniform vec4 v[12] 0.0 0.0 0.0 0.0 +uniform vec4 v[13] 0.0 0x7f000000 0.0 0.0 +uniform vec4 v[14] 0.0 0xff000000 0.0 0.0 + +uniform vec4 v[15] 0x7f000000 5.0 1.0 0.0 +uniform vec4 v[16] 0x7f000000 -5.0 -1.0 0.0 +uniform vec4 v[17] 0x7f000000 0.0 0.0 0.0 +uniform vec4 v[18] 0x7f000000 0x7f000000 1.0 0.0 +uniform vec4 v[19] 0x7f000000 0xff000000 -1.0 0.0 + +uniform vec4 v[20] 0xff000000 5.0 -1.0 0.0 +uniform vec4 v[21] 0xff000000 -5.0 1.0 0.0 +uniform vec4 v[22] 0xff000000 0.0 0.0 0.0 +uniform vec4 v[23] 0xff000000 0x7f000000 -1.0 0.0 +uniform vec4 v[24] 0xff000000 0xff000000 1.0 0.0 + +draw rect -1 -1 2 2 +probe rgb 1 1 0.0 1.0 0.0 |