Commit Graph

15 Commits

Author SHA1 Message Date
Laszlo Agocs
cd02e29319 rhi: Allow detecting texelFetch support
Change-Id: I166c89af99e1289ae60febf2f41fab07eab9f7e8
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2020-02-13 11:40:05 +01:00
Paul Olav Tvete
844ef184e8 RHI: Remove old native texture API
Task-number: QTBUG-78570
Change-Id: I8c4850828ac03319ac923a26c2e985883956c286
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
2020-01-06 18:13:01 +01:00
Paul Olav Tvete
913146ccd4 RHI: new native texture API
The new version takes/returns a value that can be unpacked and passed to
other functions without knowing which backend is in use.

The old API will be removed in a later change when dependent modules have
been updated

Task-number: QTBUG-78570
Change-Id: I18d928ceef3cb617c0c509ecccb345551a7990af
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
2019-12-05 10:04:46 +01:00
Laszlo Agocs
64760504e7 rhi: Allow testing QRhiRenderPassDescriptors for compatibility
For Metal and Vulkan this needs actual work because that's where
the concept of renderpass descriptors is relevant. GL and D3D can
just return true always.

The big benefit of this is that Qt Quick can now compare renderpass
descriptors via isCompatible() for its pipeline cache (similarly to
how it is already using isLayoutCompatible() for srbs), and so
renderpass descriptors for layers (Item.layer, ShaderEffect) will
typically be compatible and so can pick up pipelines created by other
layers from the cache.

Also add autotests for shader resource binding and renderpass descriptor
compatibility.

Task-number: QTBUG-80318
Change-Id: I0008bc51c4ee13b0113d2c8caf799e1257f18a18
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-11-27 19:07:36 +01:00
Laszlo Agocs
f3c37c839c Enable QRhi Metal backend on iOS
While we are at it, remove the Border and MirrorOnce wrap modes that have
not been supported on OpenGL, because they are unsupported with Metal+iOS
as well.

Task-number: QTBUG-78580
Change-Id: I0db94b9d3a6125b3bb5d7b1db5d02a42cd94d2c2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
2019-11-27 09:51:28 +01:00
Laszlo Agocs
09ee9ef65d Avoid EGL_BAD_MATCH in tst_qrhi autotest
Call adjustedFormat() as advised by the docs: "Applications are advised
to set this format on their QWindow in order to avoid potential BAD_MATCH
failures."

Task-number: QTBUG-79659
Change-Id: Ibf415fb0ee64bdd3f01d4ba744244bce811c0d27
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-31 14:41:07 +01:00
Laszlo Agocs
b62b80706e rhi: Autotest for rendering a triangle into a window
Change-Id: Id1562ff8cf7c6bc7e5bd147bb628f3d9dd57f2b5
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-09 17:15:06 +02:00
Laszlo Agocs
df0b1836b5 rhi: Autotest rendering with uniform buffer
Change-Id: I4251f31494680c78e90a08a2b471cb1af08ecd81
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-09 17:15:06 +02:00
Laszlo Agocs
b2de7f8583 rhi: Autotest rendering a textured quad
Task-number: QTBUG-78971
Change-Id: I0e7e0f3c00f9509031f7b4a8a389e51c915f01c2
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-09 17:15:06 +02:00
Laszlo Agocs
dd105fab8d rhi: Autotest rendering a triangle
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>
2019-10-09 17:15:05 +02:00
Laszlo Agocs
9baf69c765 rhi: gl: Add a feature flag for reading back non-zero mip levels
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>
2019-10-09 17:15:05 +02:00
Laszlo Agocs
9c466946d0 rhi: Autotest basic texture operations
...and make the Null backend able to deal with these, for RGBA8 textures
at least. Naturally it is all QImage and QPainter under the hood.

Also fix a bug in the OpenGL backend, as discovered by the autotest:
the size from the readback did not reflect the mip level.

Task-number: QTBUG-78971
Change-Id: Ie424b268bf5feb09021099b67068f4418a9b583e
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-09 17:15:05 +02:00
Laszlo Agocs
89ec1b3618 rhi: Add support for buffer readbacks
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>
2019-10-09 15:15:05 +00:00
Laszlo Agocs
4a3ee77f65 rhi: Exercise nativeHandles() in qrhi test
Task-number: QTBUG-78971
Task-number: QTBUG-78972
Change-Id: Ibce10caf1ccd74ae7efead9579f4a4342ef896b8
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
2019-10-09 17:15:05 +02:00
Laszlo Agocs
53599592e0 Introduce the Qt graphics abstraction as private QtGui helpers
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>
2019-06-13 10:13:45 +02:00