Meson has up until this point set it's version in the root meson.build
script, while the other build systems read the VERSION file. This is
just "one more thing" to duplicate between meson and every other build
system. This script is a simple "read, strip, print" sort of deal to
allow meson to read the VERSION file.
I chose to implement this in python since python is portable, and to
keep the meson.build script clean. This is also complicated by the fact
that the project() call *must* be the first non-comment,non-blank in the
toplevel meson.build script.
v2: - Move from scripts/ to bin/
- use python explicitly to run the scripts to support windows
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This patch makes use of the DRM_IOCTL_VC4_GEM_MADVISE ioctl to mark all
BOs placed in the mesa BO cache as purgeable so that the system can
reclaim this memory under memory pressure.
v2:
- Removed BOs from the cache when they've been purged by the kernel
- Check whether the madvise ioctl is supported or not before using it
v3: Don't walk the whole list when we find a busy BO (by anholt, acked by
Boris)
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Taken from drm-next d65d31388a23 ("Merge tag
'drm-misc-next-fixes-2017-11-07' of
git://anongit.freedesktop.org/drm/drm-misc into drm-next")
v2: Add the NOTSUPP definition from the final drm-next version, not the
commit (anholt).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Somehow on my cross build the -pthread is getting lost. All the other
deps seem to work out fine.
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Tested-by: Timothy Arceri <tarceri@itsqueeze.com>
The gallium auxiliary build would link against llvm, for the gallivm code
that it didn't build. This broke the build on my armhf cross, where
libLLVM-3.9.so is not multiarch and thus points to x86-64 libs.
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Tested-by: Timothy Arceri <tarceri@itsqueeze.com>
This more or less ports EGL_KHR_no_config_context to GLX.
v2: Enable the extension only for those backends that support it.
Khronos: https://github.com/KhronosGroup/OpenGL-Registry/pull/102
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>
This should be safe as these backends already support the EGL version of
this extension. DRI1 is not affected because it does not support
GLX_ARB_create_context anyway. DRI-Windows is not prepared to implement
this as there's no equivalent WGL extension, and wglCreateContextAttribs
seems to really want the HDC's pixel format to be set.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Fixes non-deterministic failures in
dEQP-EGL.functional.sharing.gles2.multithread.simple_egl_sync.images.texture_source.teximage2d_render
and others in dEQP-EGL.functional.sharing.gles2.multithread.*
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
The current value was introduced in commit a27180d0d8, which claims
that it represents ~1.11 years. However, it is interpreted in nanoseconds,
so it actually only represents ~9.8 hours. That seems a bit short.
Use the largest value consistent with both int32 and int64. It
corresponds to ~292 years in nanoseconds.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
st_flush should flush state tracker-internal state and the pipe, but
not mesa/main state. Of the four callers:
- glFlush/glFinish already call FLUSH_{VERTICES,STATE}.
- st_vdpau doesn't need to call them.
- st_manager will now call them explicitly.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
There may be pending operations (e.g. vertices) that need to be flushed
by the state tracker.
Found by inspection.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This patch has multiple goals:
1. Off-load the writing of records in 'always' mode to another thread
for performance.
2. Allow using ddebug with threaded contexts. This really forces us to
move some of the "after_draw" handling into another thread.
3. Simplify the different modes of ddebug, both in the code and in
the user interface, i.e. GALLIUM_DDEBUG. In particular, there's
no 'pipelined' anymore, since we're always pipelined; and 'noflush'
is replaced by 'flush', since we no longer flush by default.
4. Fix the fences in pipelining mode. They previously relied on writes
via pipe_context::clear_buffer. However, on radeonsi, those could
(quite reasonably) end up in the SDMA buffer. So we use the newly
added PIPE_FLUSH_{TOP,BOTTOM}_OF_PIPE fences instead.
5. Improve pipelined mode overall, using the finer grained information
provided by the new fences.
Overall, the result is that pipelined mode should be more useful, and
using ddebug in default mode is much less invasive, in the sense that
it changes the overall driver behavior less (which is kind of crucial
for a driver debugging tool).
An example of the new hang debug output:
Gallium debugger active.
Hang detection timeout is 1000ms.
GPU hang detected, collecting information...
Draw # driver prev BOP TOP BOP dump file
-------------------------------------------------------------
2 YES YES YES NO /home/nha/ddebug_dumps/shader_runner_19919_00000000
3 YES NO YES NO /home/nha/ddebug_dumps/shader_runner_19919_00000001
4 YES NO YES NO /home/nha/ddebug_dumps/shader_runner_19919_00000002
5 YES NO YES NO /home/nha/ddebug_dumps/shader_runner_19919_00000003
Done.
We can see that there were almost certainly 4 draws in flight when
the hang happened: the top-of-pipe fence was signaled for all 4 draws,
the bottom-of-pipe fence for none of them. In virtually all cases,
we'd expect the first draw in the list to be at fault, but due to the
GPU parallelism, it's possible (though highly unlikely) that one of
the later draws causes a component to get stuck in a way that prevents
the earlier draws from making progress as well.
(In the above example, there were actually only 3 draws truly in flight:
the last draw is a blit that waits for the earlier draws; however, its
top-of-pipe fence is emitted before the cache flush and wait, and so
the fact that the draw hasn't truly started yet can only be seen from a
closer inspection of GPU state.)
Acked-by: Marek Olšák <marek.olsak@amd.com>
v2: use uncached system memory for the fence, and use the CPU to
clear it so we never read garbage when checking the fence
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Queries should still get marked as flushed when flushes are executed
asynchronously in the driver thread.
To this end, the management of the unflushed_queries list is moved into
the driver thread.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This requires out-of-band creation of fences, and will be signaled to
the pipe_context::flush implementation by a special TC_FLUSH_ASYNC flag.
v2:
- remove an incorrect assertion
- handle fence_server_sync for unsubmitted fences by
relying on the improved cs_add_fence_dependency
- only implement asynchronous flushes on amdgpu
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
The driver uses (and must use) the flushed flag of queries as a hint that
it does not have to check for synchronization with currently queued up
commands. Deferred flushes do not actually flush queued up commands, so
we must not set the flushed flag for them.
Found by inspection.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
The idea is to fix the following interleaving of operations
that can arise from deferred fences:
Thread 1 / Context 1 Thread 2 / Context 2
-------------------- --------------------
f = deferred flush
<------- application-side synchronization ------->
fence_server_sync(f)
...
flush()
flush()
We will now stall in fence_server_sync until the flush of context 1
has completed.
This scenario was unlikely to occur previously, because applications
seem to be doing
Thread 1 / Context 1 Thread 2 / Context 2
-------------------- --------------------
f = glFenceSync()
glFlush()
<------- application-side synchronization ------->
glWaitSync(f)
... and indeed they probably *have* to use this ordering to avoid
deadlocks in the GLX model, where all GL operations conceptually
go through a single connection to the X server. However, it's less
clear whether applications have to do this with other WSI (i.e. EGL).
Besides, even this sequence of GL commands can be translated into
the Gallium-level sequence outlined above when Gallium threading
and asynchronous flushes are used. So it makes sense to be more
robust.
As a side effect, we no longer busy-wait on submission_in_progress.
We won't enable asynchronous flushes on radeon, but add a
cs_add_fence_dependency stub anyway to document the potential
issue.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
These bits are intended to be used by the ddebug hang detection and are
named in analogy to the Vulkan stage bits (and the corresponding Radeon
pipeline event).
Hang detection needs fences on the granularity of individual commands,
which nothing else really covers. The closest alternative would have
been PIPE_QUERY_GPU_FINISHED, but (a) queries are a per-context object
and we really want a per-screen object, (b) queries don't offer a
wait with timeout, and (c) in any case, PIPE_QUERY_GPU_FINISHED is
meant to imply that GPU caches are flushed, which the new bits
explicitly aren't.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
C11 threads were changed to use struct timespec instead of xtime, and
thrd_sleep got a second argument.
See http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1554.htm and
http://en.cppreference.com/w/c/thread/{thrd_sleep,cnd_timedwait,mtx_timedlock}
Note that cnd_timedwait is spec'd to be relative to TIME_UTC / CLOCK_REALTIME.
v2: Fix Windows build errors. Tested with a default Appveyor config
that uses Visual Studio 2013. Judging from Brian's email and
random internet sources, Visual Studio 2015 does have timespec
and timespec_get, hence the _MSC_VER-based guard which I have
not tested.
Cc: Jose Fonseca <jfonseca@vmware.com>
Cc: Brian Paul <brianp@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v1)
With Gallium threaded contexts, creating shader/compute states is
effectively a screen operation, so we should not use context state.
In particular, this allows us to avoid using the context's LLVM
TargetMachine.
This isn't an issue yet because u_threaded_context filters out non-async
debug callbacks, and we disable threaded contexts for debug contexts.
However, we may want to change that in the future.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Dylan Baker
Boris Brezillon
Eric Anholt
Adam Jackson
Marek Olšák
Nicolai Hähnle