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Only Y8 and Y10_P32 can be used and have been tested for now.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Add a draw_test_pattern for C ABI (i.e. not C++). This function can be
easily called from Python with ctypes, without any kind of bindings.
Experimental, ABI can change.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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New templated conversion and test pattern code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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New pixel format code, from Python pixutils library.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The IFramebuffer::map() function is not thread-safe, which is why the
threaded implementation of draw_test_pattern_impl() maps all planes
before starting to draw. A typo slipped in the code, resulting in only
plane 0 being mapped. This didn't result in an immediate segfault, as
drawing operations in the worker threads map the remaining planes.
However, due to the implementation of DumbFramebuffer::map(), this can
result in the same plane being mapped multiple times, with only one of
the mapping recorded in the mapping cache. The other mappings are then
leaked, leading not only to extra memory consumption, but also to the
DRM device never being released even after the destruction of the Card
object.
Fix this.
Fixes: 40d96062a37c ("Revert "testpat: remove threaded drawing"")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Add support for drawing Y210, Y212, Y216 pixels.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Create v4l2++ library and pyv4l2, which are independent from the rest of
the kms++.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Add support for the RGB332, XRGB1555 and XRGB4444 formats to the
PixelFormat class, the Python API, and the drawing utilities.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support for the 6 planar YUV formats (YUV and YVU, combined with
420, 422 or 444 subsampling) to the PixelFormat class, the Python API,
and the drawing utilities.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support for the NV16 and NV61 pixel formats to the PixelFormat
class, the Python API, and the drawing utilities.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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fix compiler errors with gcc 10
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This makes the ResourceManager class much more functional
for uses where the set of resources used to scan out a
scene changes from frame to frame. The atomic modesetting
API discipline requires a brute-force search to find a
compatible pairing of planes/etc, and being able to reserve
bits incrementally is much simpler than throwing out the
entire resourcemanager and make a new one each time a
resource reserved in a tentative attempt to probe its
compatibility with an test-mode atomic commit, turns out not
to pan out.
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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V4L2 and DRM differ in their interpretation of YUV420::NV12
V4L2 NV12 is a Y and UV co-located planes in a single plane buffer.
DRM NV12 is a Y and UV planes presented as dual plane buffer, which is
known as NM12 in V4L2.
Since here we have hybrid DRM/V4L2 user space helper functions we need
to translate DRM::NV12 to V4L2:NM12 pixel format back and forth to keep
the data view consistent.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add selection API support to the VideoSteamer class.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This reverts commit 33246d9b5fb0347aabd62caac1da03440f9e1634.
Add threaded drawing back, but have it behind a CMAKE variable so that
it can easily be turned off.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Threading causes easily issues with (at least) static linking. Let's
just remove it as it's not really that important.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Provide a space between the return type and the function definition
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Drop (I)MappedFramebuffer, as it doesn't really provide any value, and
have most of the methods be present in IFramebuffer with default
exception throwing implementation.
This gives us simpler way to use the framebuffers, as almost always we
can just use a pointer to IFramebuffer.
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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reserve_plane() had inverted check, and looked for any plane type but
the one that was requested.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add sanity checks to reserve_* methods, and return null if the give
connector/crtc is null.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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