[PATCH vkd3d] tests: Introduce compare_uint().
Chip Davis
cdavis at codeweavers.com
Sun Apr 12 16:03:37 CDT 2020
Signed-off-by: Chip Davis <cdavis at codeweavers.com>
---
tests/d3d12_test_utils.h | 23 +++++++++++------------
1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/tests/d3d12_test_utils.h b/tests/d3d12_test_utils.h
index 5092183..e4c8e58 100644
--- a/tests/d3d12_test_utils.h
+++ b/tests/d3d12_test_utils.h
@@ -53,20 +53,19 @@ static void set_viewport(D3D12_VIEWPORT *vp, float x, float y,
vp->MaxDepth = max_depth;
}
+static bool compare_uint(unsigned int x, unsigned int y, unsigned int max_diff)
+{
+ unsigned int diff = x > y ? x - y : y - x;
+
+ return diff <= max_diff;
+}
+
static bool compare_color(DWORD c1, DWORD c2, BYTE max_diff)
{
- if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff)
- return false;
- c1 >>= 8; c2 >>= 8;
- if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff)
- return false;
- c1 >>= 8; c2 >>= 8;
- if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff)
- return false;
- c1 >>= 8; c2 >>= 8;
- if (abs((c1 & 0xff) - (c2 & 0xff)) > max_diff)
- return false;
- return true;
+ return compare_uint(c1 & 0xff, c2 & 0xff, max_diff)
+ && compare_uint((c1 >> 8) & 0xff, (c2 >> 8) & 0xff, max_diff)
+ && compare_uint((c1 >> 16) & 0xff, (c2 >> 16) & 0xff, max_diff)
+ && compare_uint((c1 >> 24) & 0xff, (c2 >> 24) & 0xff, max_diff);
}
static D3D12_SHADER_BYTECODE shader_bytecode(const DWORD *code, size_t size)
--
2.24.0
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