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Ever since commit 3fa65f4b532bd9a5b ("fb: Add support for conversions
through pixman") we can generate a valid cairo surface for any plane,
use this to avoid having to implement our own conversion routine.
Instead of duplicating this functionality in igt_fb_convert_with_stride,
we can simply convert this to a few cairo calls, because we now support
cairo calls to any of the supported framebuffer formats.
This is required to make this function more generic, and convert from any
format/modifier to any other format/modifier.
Changes since v1:
- Return fb_id in the cairo case.
Changes since v2:
- Remove the manual conversion fallback.
Changes since v3:
- Integrate VC4 conversion routines.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
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In order to test buffers with SAND tiling, it is useful to convert
linear buffers to SAND tiling mode.
Introduce helpers to assist in that direction, one that calculates the
memory offset in the SAND-tiled buffer for a given pixel position and
one that makes use of the latter for framebuffer conversion.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>
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In order to integrate testing of T-tiled buffers, the easiest path is to
generate patterns (with the already-existing functions) in linear
buffers and convert them to T-tiled subsequently.
Add helpers to do that conversion, with a first helper that returns the
memory offset for a given position in a T-tiled buffer and a second
helper that uses it for converting between framebuffers.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>
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v2: Rebase on get/set_tiling helpers (by anholt).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
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v2: Rebase on get/set_tiling helpers (by anholt).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
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This just checks that the appropriate errors get thrown, and that the
modifier can be set/get successfully, and that the modifier doesn't
leak to other BO allocations. Testing of scanout will be done with
the writeback support that Boris is building. The modifier has no
effect on V3D rendering, so no need to test that.
v2: Add to the meson build.
Signed-off-by: Eric Anholt <eric@anholt.net>
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v2: Use do_ioctl().
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
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v2: Use do_ioctl().
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
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v2: Use do_ioctl().
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
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