fp-dst-aliasing-*: Tests for DST with a src = dst

The 965 driver was failing while breaking it down into channel-wise
operations and overwriting the operands.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/tests/shaders/generic/fp-dst-aliasing-1.vpfp b/tests/shaders/generic/fp-dst-aliasing-1.vpfp
new file mode 100644
index 00000000..38a901ad
--- /dev/null
+++ b/tests/shaders/generic/fp-dst-aliasing-1.vpfp
@@ -0,0 +1,16 @@
+!!ARBvp1.0
+OPTION ARB_position_invariant;
+END
+
+!!ARBfp1.0
+TEMP temp;
+MOV temp, program.local[0];
+DST temp, temp.xyyw, program.local[1];
+MOV result.color, temp;
+END
+
+!!test
+fragment.local[0] 0.1 0.2 0.3 0.4
+fragment.local[1] 0.5 0.5 0.5 0.5
+expected          1.0 0.1 0.2 0.5
+
diff --git a/tests/shaders/generic/fp-dst-aliasing-2.vpfp b/tests/shaders/generic/fp-dst-aliasing-2.vpfp
new file mode 100644
index 00000000..e757cd6c
--- /dev/null
+++ b/tests/shaders/generic/fp-dst-aliasing-2.vpfp
@@ -0,0 +1,16 @@
+!!ARBvp1.0
+OPTION ARB_position_invariant;
+END
+
+!!ARBfp1.0
+TEMP temp;
+MOV temp, program.local[1];
+DST temp, program.local[0], temp.xyzy;
+MOV result.color, temp;
+END
+
+!!test
+fragment.local[0] 0.1 0.2 0.3 0.4
+fragment.local[1] 0.5 0.5 0.5 0.5
+expected          1.0 0.1 0.3 0.5
+