| Commit message (Collapse) | Author | Age | Files | Lines |
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When the source size is not explicitly specified, we take the entire
subresource. However, just using the texture's size is wrong: when the
source level in a copy or readback is not 0, the size for the corresponding
mip level has to be used instead.
This fixes occasional crashes with Metal in the autotest.
Change-Id: I99f689feef93ec86dffdc9e82d6bfdaf5c1eb041
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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Also improve (docs and runtime checks) and test the minimum set
of required data to create a graphics pipeline.
Task-number: QTBUG-78971
Change-Id: If5c14f1ab1ff3cf70f168fde585f05fc9d28ec91
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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The joys of "level - Specifies the mipmap level of the texture
image to be attached, which must be 0." for glFramebufferTexture2D
in OpenGL ES 2.0.
Change-Id: Iaf19502f48d7ba73b26abb72535bfa6696a1e182
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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The interesting part here is that sending messages to a null
object is valid in Objective-C, so without an explicit check it
is not necessarily straightforward to discover that we do not
have working rendering. (because the application won't just
simply crash)
Do the right thing now and return false like other backends do.
Task-number: QTBUG-78994
Change-Id: I0d3c4a49a3fc78f9149f8af4fe67d581e74daae7
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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This also marks the beginnings of significantly extending autotesting
of the resource and rendering functionality in QRhi.
Also involves fixing up the buffer operation lists like we did
for textures before. This is to ensure updates and reads on the
same batch execute in the correct order. So just have two lists:
one with buffer, one with texture operations.
Also simplify the struct layouts. No need for those inner structs
with many duplicate members. This reduces the size even, since using a
union was never an option here. Also switch to a VLA, the size is around
253 KB per batch.
The Null backend now keeps track of the QRhiBuffer data so it can return
valid results in readbacks.
Task-number: QTBUG-78984
Task-number: QTBUG-78986
Task-number: QTBUG-78971
Task-number: QTBUG-78883
Change-Id: I9694bd7fec523a4e71cf8a5c77c828123ebbb3bd
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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Triangle fan drawing is only supported on some platforms. The feature
flag QRhi::TriangleFanTopology is set accordingly.
In general, TriangleStrip topology will be more efficient on most GPUs.
However, if polygon data is already stored as triangle fans, the CPU
savings may be more significant.
Change-Id: I9704fad751d2119eac8791074f58942dd9315601
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
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As usual, keep some QVector overloads around to allow Qt Quick to compile.
Color attachments and vertex input bindings get an at(index) type of
accessor, unlike any other of similar lists. This is because there the
index is significant, and sequential iteration is not the only type of
operation that is performed. Sometimes a lookup based on an index will
be needed as well.
Task-number: QTBUG-78883
Change-Id: I3882941f09e94ee2f179e0e9b8161551f0d5dae7
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
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Forcing users to go through a QVector, when in practice they almost
always want to source the data from an initializer list, a QVarLengthArray,
or a plain C array, is not ideal. Especially since we can reason about
the maximum number of elements in the vast majority of use cases for all
the affected lists. QRhiResource is also not copyable so we do not need
the usual machinery offered by containers. So switch to a
QVarLengthArray.
Note that a resource is not a container. The only operations we are
interested in is to be able to source data either via an initializer
list or by iterating on something, and to be able to extract the data,
in case a user wishes to set up another resource based on the existing
one.
In some cases a QVector overload is kept for source compatibility with
other modules (Qt Quick). These may be removed in the future.
Also do a similar QVector->QVarLengthArray change in the srb-related
data in the backends.
Change-Id: I6f5b2ebd8e75416ce0cca0817bb529446a4cb664
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Sad to see this go since the d pointer pattern with implicit sharing
would have been perfect for this class, had this been a public API.
However, as binary compatibility will not be a concern for QRhi classes,
it is wasteful to allocate memory on every QRhiShaderResourceBinding.
This allows users, such as Qt Quick, to use QRhiShaderResourceBinding as
a cheap, simple, value class, without having to invent their own
alternatives in performance critical places.
The change brings a not insignficant improvement in certain qmlbench scenes
(the ones with thousands of unbatched geometry nodes).
Change-Id: I6d1dced6498d9ad625f90ead78bc0a417ea99ed8
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Revert surfacePixelSize() to be a getter only. With Metal this will
mean returning the "live" layer size (and so not the
layer.drawableSize), which is in line with what we expect with other
backends.
Instead, we leave it to the swapchain's buildOrResize() to "commit"
the size by setting drawableSize on the layer. With typical
application or Qt Quick logic this ensures that layer.drawableSize is
set once and stays static until we get to process the next resize - on
the rendering thread.
This of course would still mean that there was a race when a client
queries surfacePixelSize() to set the depth-stencil buffer size that
is associated with a swapchain. (because that must happen before
calling buildOrResize() according to the current semantics)
That can however be solved in a quite elegant way, it turns out,
because we already have a flag that indicates if a QRhiRenderBuffer is
used in combination with (and only in combination with) a
swapchain. If we simply say that setting the UsedWithSwapChainOnly
flag provides automatic sizing as well (so no setPixelSize() call is
needed), clients can simply get rid of the problematic
surfacePixelSize() query and everything works.
Task-number: QTBUG-78641
Change-Id: Ib1bfc9ef8531bcce033d1f1e5d4d5b4984d6d69f
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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Task-number: QTBUG-78605
Change-Id: Icc3a9636055b5f45418da28cc05aa02e19370c02
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Have to set the drawableSize ourselves.
This is not yet fully correct in the sense that does not ensure
what the platform plugin patch tries to enable, namely atomic frames
when it comes to the drawable size. Going to fix that up in separate
patches, maybe it will need some QRhi API changes as well so won't
mix that in here.
Change-Id: I47a3816930bc6a87a2c96d4a6c4c85b2577147dc
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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...and change the return value of makeThreadLocalNativeContextCurrent() to
a bool since we expect this to mirror QOpenGLContext::makeCurrent().
Change-Id: I339507152e461fe28fcf7fe777165e6d0072f055
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Task-number: QTBUG-78089
Change-Id: I6cd95e24d38562cf1931c107bb6b719e340583a8
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Starting with D3D11. The other backends will follow later.
Change-Id: I4f165c9f1743df0fb00bdce1e898917575bf5f6e
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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When interfacing with reality (i.e. native platform APIs provided in C,
ObjC, or COM), each of the APIs has its own idea of what types it likes
to use for sizes, points, rects, etc.
Out of the hundreds of warnings Qt Creator throws at us with the default
clang check level when opening one of the rhi backends not a single one
is useful. Regardless, let's try getting rid of what we can. This mostly
involves throwing in int/uint conversions in order to get the signedness
change warnings to shut up. The things that are either unacceptable to
change or are beyond our control are left untouched.
Change-Id: I6e4cb7cd373bf48dc990eaf83344242bbf30bd66
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Now that Qt Quick's batch renderer misses one level of shader source
caching due to the nature of pipeline state objects, it can be useful
to keep and reuse shader objects when the hash of the source code
matches.
The goal here is to allow Qt Quick to be on par with what the direct
OpenGL path has when it comes to caching shader sources and compilation
results. The program binary disk cache is not in scope in this patch.
Also adds QRhi::releaseCachedResources(), similarly to what the scenegraph
has. This can be called to clear caches such as the shader object
cache we keep here.
Change-Id: Ie3d81d823f61fa65ec814439e882c498f7774d43
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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When running with the threaded render loop of Qt Quick, it could be that
the drawable changes size while the render thread prepares the command
buffer with setViewport and setScissor. Those have no chance to see
such changes, which is normally not a big problem because the resize will
get processed eventually.
However, in debug builds running in XCode, Metal validation checks the
viewport and scissor rects against the (more or less) actual drawable
size, and so would abort Qt Quick apps from time to time when resizing
the window interactively. To solve this, we just query the drawable size
in setViewport/setScissor to keep validation happy.
Change-Id: I451f398bd1f88e3f49ea4624fc45bbb4b70e7f07
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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As an option. Must opt in via setting ExternalContentsInPass in
the flags for beginFrame(). It is somewhat unfortunate to require
declaring this up front, but forcing using secondary command buffers
always, even though beginExternal() may not be used in many applications,
would be an overkill.
Change-Id: I8d52bcab40c96f89f140c4c7877b6c459925e3c7
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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Qt Quick apps feature an occasional flicker which seems to be caused
by updating the contents of a Static (or Immutable) QRhiBuffer in a frame
where the QRhiBuffer in question is read in the previous frame as well.
On macOS these types map to a Managed MTLBuffer and only one native buffer
object (MTLBuffer). It seems modifying such a buffer is not safe if the
previous frame has not completed. (this may be as expected, but hard to
tell due to Metal's underdocumented automatic hazard tracking which we
rely on atm)
So for now switch to having 2 native buffers, like we do for Dynamic
(on iOS/tvOS this would be the case anyway since there all buffers are
host visible and slotted regardless of the QRhiBuffer type).
This seems to solve the issue.
To be seen if we want to move to a more Vulkan-like setup where Immutable
and Static map to device local (Private).
Change-Id: I76013f58a2e183ad8eab0705b28a03b395c4530c
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
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Following the Quick scenegraph (qt.scenegraph.*), we now have
qt.rhi.general. Other categories may get added later.
This does not change the printing of real errors, those will
continue to use qWarning().
Change-Id: Id95416fc82ba8add9527212e431bcbd47d416f1a
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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The Quick render loops do SkipPresent occasionally, and it all seemed
to work with the threaded one because we lack an autorelease pool on
the SG render thread. (to be corrected separately) The basic one ended
up crashing sometimes, however. Holding on to the drawable is incorrect.
Fixes: QTBUG-76953
Change-Id: I0d0ec6d09aa209d2c848d7a9dbd9b15916fe23ab
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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Have feature flags as appropriate. OpenGL is causing a mess here
but let's support what we can since some of this will become relevant
in more sophisticated mesh drawing cases with 3D in particular.
Change-Id: Idfa7b4642ec87147978e03d78d6233efbd151491
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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...but this will vary between backends, or in some cases
even between implementations of the same API.
Point size is settable only via the vertex shader (gl_PointSize).
It is silently ignored with D3D and HLSL.
Line widths other than 1 are supported only on OpenGL and Vulkan.
(but this is in fact deprecated with GL and optional with Vulkan)
Add QRhi::Feature values for both.
The line width is now settable on QRhiGraphicsPipeline. It is not a
dynamic state since the static, per-pipeline width is good enough for
most cases. (and the feature is not supported on half of the backends
anyways so it will get limited use in practice).
Change-Id: I6d3a32269527c452b794b2cb8b0f03101eab40b2
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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The source of this is likely a "window" grab from Qt Quick. Requesting
a new drawable is an error in this case since we do not enqueue a present
for the current one.
Change-Id: I64bab03ff46743ce1f270b251229be126f9ad9fb
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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D3D11 and GL (4.3+, ES 3.1+) will come separately at a
later time.
Change-Id: If30f2f3d062fa27e57e9912674669225b82a7b93
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Needed by Qt Quick to handle cases where the application (or other Qt)
code contains OpenGL calls, and Qt Quick facilitates this by ensuring
the scenegraph's GL context is current. The expectation is that when
running with the GL backend of the rhi, all such code remains fully
functional. So add a makeCurrent type of call into the QRhi API that is
a no-op with anything other than OpenGL.
Change-Id: I6f774bf828e31802bdab0c3fef9421cdc0cebe5c
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Comes with backends for Vulkan, Metal, Direct3D 11.1, and OpenGL (ES).
All APIs are private for now.
Shader conditioning (i.e. generating a QRhiShader in memory or on disk
from some shader source code) is done via the tools and APIs provided
by qt-labs/qtshadertools.
The OpenGL support follows the cross-platform tradition of requiring
ES 2.0 only, while optionally using some (ES) 3.x features. It can
operate in core profile contexts as well.
Task-number: QTBUG-70287
Change-Id: I246f2e36d562e404012c05db2aa72487108aa7cc
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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