From: Ian Romanick <ian.d.roman...@intel.com>
While working on the fix, I thought of a couple other corner cases.
The original fix did not fix these tests... probably just squash into
a single commit.
---
.../execution/fs-sign-sat-neg-abs.shader_test | 22 +++++++++++++++
.../execution/vs-sign-sat-neg-abs.shader_test | 32 ++++++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644
tests/spec/glsl-1.10/execution/fs-sign-sat-neg-abs.shader_test
create mode 100644
tests/spec/glsl-1.10/execution/vs-sign-sat-neg-abs.shader_test
diff --git a/tests/spec/glsl-1.10/execution/fs-sign-sat-neg-abs.shader_test
b/tests/spec/glsl-1.10/execution/fs-sign-sat-neg-abs.shader_test
new file mode 100644
index 000000000..21dcfa918
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/fs-sign-sat-neg-abs.shader_test
@@ -0,0 +1,22 @@
+[require]
+GLSL >= 1.10
+
+[vertex shader passthrough]
+
+[fragment shader]
+uniform vec4 arg0;
+uniform vec4 expect;
+
+void main()
+{
+ if (clamp(sign(-abs(arg0)), 0.0, 1.0) != expect)
+ gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+ else
+ gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+}
+
+[test]
+uniform vec4 arg0 -5.0 5.0 0.0 0.0
+uniform vec4 expect 0.0 0.0 0.0 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-sat-neg-abs.shader_test
b/tests/spec/glsl-1.10/execution/vs-sign-sat-neg-abs.shader_test
new file mode 100644
index 000000000..2cfbae477
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/vs-sign-sat-neg-abs.shader_test
@@ -0,0 +1,32 @@
+[require]
+GLSL >= 1.10
+
+[vertex shader]
+uniform vec4 arg0;
+uniform vec4 expect;
+
+varying vec4 color;
+
+void main()
+{
+
+ if (clamp(sign(-abs(arg0)), 0.0, 1.0) != expect)
+ color = vec4(1.0, 0.0, 0.0, 1.0);
+ else
+ color = vec4(0.0, 1.0, 0.0, 1.0);
+ gl_Position = gl_Vertex;
+}
+
+[fragment shader]
+varying vec4 color;
+
+void main()
+{
+ gl_FragColor = color;
+}
+
+[test]
+uniform vec4 arg0 -5.0 5.0 0.0 0.0
+uniform vec4 expect 0.0 0.0 0.0 0.0
+draw rect -1 -1 2 2
+probe rgb 1 1 0.0 1.0 0.0
--
2.14.4
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