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nir: slight correction to cube_face_coord constant folding

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ACO does the division with a rcp and then a multiplication.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5547>
This commit is contained in:
Rhys Perry 2020-06-18 16:41:00 +01:00 • committed by Marge Bot
parent c95d258d1b
commit 9a389322c4
1 changed files with 2 additions and 2 deletions
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4
src/compiler/nir/nir_opcodes.py
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@ -487,8 +487,8 @@ if (src0.y < 0 && absY >= absX && absY >= absZ) { dst.x = src0.x; dst.y = -src0.
if (src0.z >= 0 && absZ >= absX && absZ >= absY) { dst.x = src0.x; dst.y = -src0.y; }
if (src0.z < 0 && absZ >= absX && absZ >= absY) { dst.x = -src0.x; dst.y = -src0.y; }
dst.x = dst.x / ma + 0.5;
dst.y = dst.y / ma + 0.5;
dst.x = dst.x * (1.0f / ma) + 0.5f;
dst.y = dst.y * (1.0f / ma) + 0.5f;
""")
unop_horiz("cube_face_index", 1, tfloat32, 3, tfloat32, """