Nikolay Sivov : vkd3d-shader/tests: Add some exp()/exp2() tests.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: ec00782eaee51e6c84a704aa32c10e17654a9d82
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/ec00782eaee51e6c84a704aa32c10e...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Thu Jan 26 13:51:57 2023 +0300

vkd3d-shader/tests: Add some exp()/exp2() tests.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>

---

 Makefile.am           |  1 +
 tests/exp.shader_test | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 0b4c2a55..a2625a5c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -59,6 +59,7 @@ vkd3d_shader_tests = \
 	tests/cbuffer.shader_test \
 	tests/compute.shader_test \
 	tests/conditional.shader_test \
+	tests/exp.shader_test \
 	tests/floor.shader_test \
 	tests/frac.shader_test \
 	tests/hlsl-array-dimension.shader_test \
diff --git a/tests/exp.shader_test b/tests/exp.shader_test
new file mode 100644
index 00000000..de3be685
--- /dev/null
+++ b/tests/exp.shader_test
@@ -0,0 +1,25 @@
+[pixel shader]
+uniform float4 f;
+
+float4 main() : sv_target
+{
+    return exp2(f);
+}
+
+[test]
+uniform 0 float4 -1.0 0.0 1.0 2.0
+draw quad
+probe all rgba (0.5, 1.0, 2.0, 4.0) 1
+
+[pixel shader]
+uniform float4 f;
+
+float4 main() : sv_target
+{
+    return exp(f);
+}
+
+[test]
+uniform 0 float4 -1.0 0.0 1.0 2.0
+draw quad
+probe all rgba (0.36787948, 1.0, 2.7182815, 7.38905573) 2