[PATCH vkd3d v2 3/7] tests: Test lerp() intrinsic.

[Giovanni Mascellani]

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
---
 Makefile.am                 |  1 +
 tests/hlsl-lerp.shader_test | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 tests/hlsl-lerp.shader_test

diff --git a/Makefile.am b/Makefile.am
index ff900a6c..0cb90b2b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -89,6 +89,7 @@ vkd3d_shader_tests = \
 	tests/hlsl-intrinsic-override.shader_test \
 	tests/hlsl-invalid.shader_test \
 	tests/hlsl-ldexp.shader_test \
+	tests/hlsl-lerp.shader_test \
 	tests/hlsl-majority-pragma.shader_test \
 	tests/hlsl-majority-typedef.shader_test \
 	tests/hlsl-matrix-indexing.shader_test \
diff --git a/tests/hlsl-lerp.shader_test b/tests/hlsl-lerp.shader_test
new file mode 100644
index 00000000..a472379b
--- /dev/null
+++ b/tests/hlsl-lerp.shader_test
@@ -0,0 +1,36 @@
+[pixel shader]
+uniform float4 x;
+uniform float4 y;
+uniform float4 s;
+
+float4 main() : SV_TARGET
+{
+    return lerp(x, y, s);
+}
+
+[test]
+uniform 0 float4 2.0 3.0 4.0 5.0
+uniform 4 float4 0.0 -10.0 10.0 100.0
+uniform 8 float4 0.0 1.0 -1.0 0.75
+todo draw quad
+probe all rgba (2.0, -10.0, -2.0, 76.25)
+
+[require]
+shader model >= 4.0
+
+[pixel shader]
+uniform int4 x;
+uniform int4 y;
+uniform int4 s;
+
+float4 main() : SV_TARGET
+{
+    return lerp(x, y, s);
+}
+
+[test]
+uniform 0 int4 2 3 4 0
+uniform 4 int4 0 -10 10 1000000
+uniform 8 int4 0 1 -1 1000000
+todo draw quad
+probe all rgba (2.0, -10.0, -2.0, 1e12)
-- 
2.36.1