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With this we also do not need IDP_MergeGroupValues anymore.
If this causes problems in the future we can always make recursion an
option (like overwrite is).
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Most of this was copying/adapting code from octahedral existing draw
code, tough part was to get BBone matrices to behave as expected, they
are using a fairly specific setup...
Addresses T51365 and T51362.
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Changing states didn't properly reset between shading groups
causing the GL state to be wrong based on draw order.
States are now only set when changed.
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Without this the intent isn't clear.
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For now just do the OpenGL render and don't render using the engine.
This is a slightly odd-use case since it makes more sense to do a regular render.
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Works for clay-engine but doesn't draw objects with eevee.
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Needed for offscreen render
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Spotted by Mai in IRC, thanks!
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The change was initially needed for Blender 2.8 branch but the actual
function was reverted in there. So no reason to keep dead unused
placeholder in the dependency graph.
This reverts commit fd69ba225540cde5e4c1fa651fb02df21ea0a143.
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We can now use object and other modes on top of Cycles.
Since we are now always on "render_to_view" (old Rendered mode), the
pause button is always visible.
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Global size y needs to be a multiple of 16.
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This way we don't re-load kernels for every sample in the viewport.
Additionally, we don't risk global size changed inbetween of samples.
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Note: In one case (rna_Scene_editmesh_select_mode_set) I had to resort
to the temporary solution of BKE_scene_layer_context_active.
This is fine for now, but it will be a problem once workspaces are
introduced. In this case the fix is to use a temporary value in the set
routine, and actually only set the active object in the update function
(which can take bContext).
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From workspaces branch
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- code_generate_fragment : Making sure that shaders uses the new uniforms.
- code_generate_vertex_new : create require attribute based on their names and not their id (see draw_cache_impl_mesh.c).
- add support for ramp textures.
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This is a bad implementation waiting for some improvement that are :
- Gawain support for multiple names. -> will remove duplication of attribute alloc
- Glsl safe name string escaping. -> will remove any risk of hash colision.
Old glsl drawing was relying on attribute being choosen by DerivedMesh at drawing time.
For this reason, we declare all possible attrib "name" for each data layer inside the batches.
In the glsl code, we declare required data by type and name.
Then Gawain only bind vbos if names correspond.
This is way cleaner as we do not need to access the CD itself when drawing.
One other problem is that the hash maybe 11 caracters long and rapidly overload gawain's attrib name buffer.
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- Unify GPUMaterial creation (world/mesh).
- Support for multiple shader variations (not used for now).
- Convert GPUInputs to DRWUniforms to be used with the draw manager.
- Nodetree Update is not supported. The only way to refresh the shaders is to change render engine.
- Cleanup in GPUPass.
- Add new temporary Node Compatibility type. Compatibility types should be removed in the future.
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Note that smooth-shaded outlines of muted NLA strips should also be
dashed, not sure how to do that currently (in a simple way), so kept
them solid for now.
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The crash happens with Cycles and Font objects if we get Cycles working
with draw manager.
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Those are no more needed.
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Using geometry shader allows us to get rid of the 'line origin' extra
vertex attribute, which means dashed shader no longer requires fiddling
with those vertex attributes definition, and, most importantly, does not
require anymore special drawing code!
As you can see, this makes code much simpler, and much less verbose,
especially in complex cases.
In addition, changed how dashes are handled, to have two 'modes', a
simple one with single color (using default "color" uniform name), and a
more advanced one allowing more complex and multi-color patterns.
Note that since GLSL 1.2 does not support geometry shaders, a hack was
added for now (which gives solid lines, but at least does not make
Blender crash).
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There was a bug in older GLEW version which kept glGenVertexArrays as NULL
when 3.2 core context is requested [1].
Didn't find a way to check GLEW version from CMake, it seems the version
is not really exposed to the header.
[1] https://sourceforge.net/p/glew/bugs/124/
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No need to add extra complexity of conditional dashing here for now!
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Note the ugly hack on number of segments for outline dashed circle, to
get an OK-ish rendering of dashes...
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Needed a bit of twisting in generic private func behind the imm_draw_circle
helpers, but think it's fine.
Note that this demonstrate yet another downside of new dashed shader
compared to olde line style: not only does it needs more complex setup,
and can only work with PRIM_LINES type of primitives, but it also
behaves totally wrong with chained short segments!
We really need to find a better way to do this effect at some point. :(
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When using both preferences, use cursor depth when nothings selected.
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Avoid calculating a new split-index when re-fitting.
While checking if a knot can be removed, the index with the highest error
can be used as a candidate to replace the knot
(in the case it can't be removed).
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Also restore drawing of local action markers in NLA strips...
Note: there is another usage of setlinestyle in this file, not sure how
to hanlde it for now, so will leave it for later...
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