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Ref T92709
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Issue is that external engine uses the gpu info. but overwrote the
instance data. The draw manager would then detect instance data and
required the engine type to have a instance free callback.
The solution is to save some space in the engine data to hold an empty
and unused instance_data attribute to comply with `ViewportEngineData`
struct.
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In the original design draw engines had to copy with a limitation that
they were not allowed to reuse complex data structures between drawing
calls. Data that could be reused were limited to:
- GPUFramebuffers
- GPUTextures
- Memory that could be removed calling MEM_freeN (storage list)
- DRWPass
This is fine when the storage list contains arrays or structs but when
more complex data types (vectors, maps) etc wasn't possible.
This patch adds instance_data that can be reused between drawing calls.
The instance_data is controlled by the draw engine and doesn't need to
be limited as described above.
When an engines stores instance_data it must implement the
`DrawEngineType.instance_free` callback to free the data.
The patch originates from eevee rewrite. But was added to master as the
image engine rewrite also has a need for it.
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D13425
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This is a continuation of D13462 to clean up source typos.
Differential Revision: https://developer.blender.org/D13471
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Wire-only meshes have a special case in the overlay drawing to give
the wire shader a special color (which avoids the lines being dashed,
somehow). The fast path for duplis didn't have that special case.
Differential Revision: https://developer.blender.org/D13196
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The problem is that drw_batch_cache_generate_requested_delayed
is called on the object, which uses the original object data type to
choose which data type to get info for. So for curves and text it uses
the incorrect type (not the evaluated mesh like we hardcoded in the
armature overlay code).
To fix this I hardcoded the "delayed" generation to only use the
evaluated mesh. Luckily it wasn't use elsewhere besides this
armature overlay system. That seems like the simplest fix for
3.0. A proper solution should rewrite this whole area anyway.
Differential Revision: https://developer.blender.org/D13439
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This part of the drawing code assumes that the bone custom object
has only one evaluated geometry component, and it also uses the
object type to check which data to draw, with the functions like
`DRW_cache_object_surface_get` that just take an object input.
Those functions usually work on evaluated objects, which use the
instancing system to access a temporary object with `object.data`
replaced for data types that don't match the original object.
That assumption used to work, but now curve, point cloud, or volume
objects can have an evaluated mesh which is not accessed with the
same object for render engine drawing.
The "correct" solution for the way this code is structured would be to
loop through all of the geometry components and try to get GPU batches
from every one of them. However, that significantly increases complexity
in an area that should probably be refactored anyway. This patch treats
the mesh as a special case, and only draws the evaluated mesh.
The **best** solution in my opinion might be refactoring this area to
use the instancing system with some sort of viewport-only flag so
the custom shape instances aren't added in the render.
The solution is "partial" because the "Wireframe" option only works
for meshes from mesh objects, even after this fix, and because other
data besides meshes is not displayed at all.
Differential Revision: https://developer.blender.org/D13038
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Explains more what it does, not how it is used.
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Regular images are also tiled images, but with a default tile that leads
to the same result.
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This disables motion blur for geometry instances in eevee, which did
not work correctly anyway. See code comment for more details.
Differential Revision: https://developer.blender.org/D13334
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For now made DRW_notify_view_update_offscreen static.
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Reviewed By: fclem
Differential Revision: D13235
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modifier, but only if the instanced objects material has a normal map assigned.
This is only a workaround to avoid the crash. The underlying issue is left
unfixed.
New report for tracking the underlying issue is T93223.
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After rBb9febb54a492, the evaluated mesh from a curve is now presented
to render engines as a separate mesh object, but some code still assumed
that a curve object itself could have an evaluated mesh. However, this is
still true for surface objects and metaballs, which don't
use geometry sets yet.
Differential Revision: https://developer.blender.org/D13272
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Contributed by luzpaz.
Differential Revision: https://developer.blender.org/D13264
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The Cycles accurate mode was removed, but the Eevee option for this has
a different meaning and should not have been removed. The Eevee accurate
makes cryptomatte accumulate for every sample, which Cycles has always
done regardless of any option.
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The layers were not aliased properly for usage in the shaders.
Regression caused by rB03013d19d167.
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rBaa13c4b386b13111 added a check for the active object
in drawing code, but it missed adding a check for the active
base before trying to retrieve its object.
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With instancing becoming more common with geometry nodes,
instances are less of a separate thing and more of an essential part
of evaluated data. Displaying them with a separate outline, while
helpful in some cases, is not worth the lack of visibility or confusion
about selected/active status. Information about the performance
of the scene due to instancing is always available with the statistics
like vertex count, etc.
The problems were compounded by the fact that the instancing
system is used to output geometry components that don't correspond
to the object's original type. So this patch also fixes that problem.
Fixes T92079, T81010
Ref T91310
Differential Revision: https://developer.blender.org/D13133
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This patch adds shader compilation tests for the basic engine in `shaders_test.cc`
Addresses T92701
Reviewed By: jbakker
Differential Revision: https://developer.blender.org/D13066
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Adding virtual constructors to base classes.
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Image engine is used to draw an image into a space. The current
structure wasn't clear and couldn't be easilly extended. This refactor
spliced the image draw engine into 3 main components.
- Space accessors: contains an interface to communicate with space data
(Image editor, UV Editor, Node Editor) in a common way. This reduced
the branching in the code base.
- DrawingMode: contains an interface to the used tactic to draw an image
inside the space framebuffer. Currently only one mode is implemented;
in the future there could be a separate drawing mode for huge images.
- ImageEngine: the core that connects the draw manager with the space
data and drawing mode.
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External symbols in C files need
to be marked as such otherwise
the linker will not find them.
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Previously, `ImageTile->ok` and `ImageUser->ok` were used to indicate
whether an image failed to load. There were three possible values
which (probably) had the following meanings:
* `0`: There was an error while loading the image. Don't try to load again.
* `1`: Default value. Try to load the image.
* `2`: The image was loaded successfully.
This image-wide flag did not make sense unfortunately, because loading
may work for some frames of an image sequence but not for others.
Remember than an image data block can also contain a movie.
The purpose of the `->ok` flag was to serve as an optimization to avoid
trying to load a file over and over again when there is an error (e.g. the
file does not exist or is invalid). To get the optimization back, the patch
is changing `MovieCache` so that it can also cache failed load attempts.
As a consequence, `ibuf` is allowed to be `NULL` in a few more places.
I added the appropriate null checks.
This also solves issues when image sequences are used with the
Image Texture node in Geometry nodes (also see D12827).
Differential Revision: https://developer.blender.org/D12957
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