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The only real difference between `GPU_SHADER_2D_UNIFORM_COLOR` and
`GPU_SHADER_3D_UNIFORM_COLOR` is that in the vertex shader the 2D
version uses `vec4(pos, 0.0, 1.0)` and the 3D version uses
`vec4(pos, 1.0)`.
But VBOs with 2D attributes work perfectly in shaders that use 3D
attributes. Components not specified are filled with components from
`vec4(0.0, 0.0, 0.0, 1.0)`.
So there is no real benefit to having two different shader versions.
This will simplify porting shaders to python as it will not be
necessary to use a 3D and a 2D version of the shaders.
In python the new name for '2D_UNIFORM_COLOR'' and '3D_UNIFORM_COLOR'
is 'UNIFORM_COLOR', but the old names still work for backward
compatibility.
Differential Revision: https://developer.blender.org/D15836
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This makes the api more portable and not depend on
any visual area for background tasks like future modifiers.
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The new factor allows to apply the current brush size to the
external stroke perimeter conversion done in draw mode.
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Actually, when you increase the thickness of the stroke in the outline conversion, the shape of the stroke changes and becomes thicker.
This commit includes a new algorithm to correct this problem. A new `Keep Shape` parameter allows you to disable it because, for artist reasons, it may be good to keep the old algorithm and change the shape.
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This new option converts the stroke to outline perimeter as soon as is drawn.
If no alternative material is set, the actual material is used.
The algorithm is similar to the new operator in D15664
Reviewed By: pepeland
Differential Revision: https://developer.blender.org/D15738
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Replace verbose ELEM(..) usage, now each kind of mouse event has it's
own macro.
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Removes the following macros for scene/render frame values:
- `CFRA`
- `SUBFRA`
- `SFRA`
- `EFRA`
These macros don't add much, other than saving a few characters when typing.
It's not immediately clear what they refer to, they just hide what they
actually access. Just be explicit and clear about that.
Plus these macros gave read and write access to the variables, so eyesores like
this would be done (eyesore because it looks like assigning to a constant):
```
CFRA = some_frame_nbr;
```
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D15311
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This patch makes the grease pencil smooth operation symmetric.
It also increases the performance a lot if strong smoothing is
required. Additionally there is an option for the position smooth
operation to keep the shape closer to the original for more iterations.
Since the result differs from the previous algorithm, versioning is used
to change the iterations and factor to match the old result.
Differential Revision: http://developer.blender.org/D14325
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So far it was needed to declare a new RNA struct to `RNA_access.h` manually.
Since 9b298cf3dbec we generate a `RNA_prototypes.h` for RNA property
declarations. Now this also includes the RNA struct declarations, so they don't
have to be added manually anymore.
Differential Revision: https://developer.blender.org/D13862
Reviewed by: brecht, campbellbarton
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Correct misspellings in code comments of "vertex" and "vertices".
See D13932 for more details.
Differential Revision: https://developer.blender.org/D13932
Reviewed by Harley Acheson
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- Rename ED_view3d_win_to_delta `mval` argument to `xy_delta` as it
as it was misleading since this is an screen-space offset not a region
relative cursor position (typical use of the name `mval`).
Also rename the variable passed to this function which also used the
term `mval` in many places.
- Re-order the output argument of ED_view3d_win_to_delta last.
use an r_ prefix for return arguments.
- Document how the `zfac` argument is intended to be used.
- Split ED_view3d_calc_zfac into two functions as the `r_flip` argument
was only used in some special cases.
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Using flags makes checking multiple modifiers at once more convenient
and avoids macros/functions such as IS_EVENT_MOD & WM_event_modifier_flag
which have been removed. It also simplifies checking if modifier keys
have changed.
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Use a shorter/simpler license convention, stops the header taking so
much space.
Follow the SPDX license specification: https://spdx.org/licenses
- C/C++/objc/objc++
- Python
- Shell Scripts
- CMake, GNUmakefile
While most of the source tree has been included
- `./extern/` was left out.
- `./intern/cycles` & `./intern/atomic` are also excluded because they
use different header conventions.
doc/license/SPDX-license-identifiers.txt has been added to list SPDX all
used identifiers.
See P2788 for the script that automated these edits.
Reviewed By: brecht, mont29, sergey
Ref D14069
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This implements the update cache described in T95401.
The cache is currently only used for drawing strokes and
sculpting (using the push brush).
**Note: Making use of the cache throughout grease pencil will
have to be done incrementally in other patches. **
The update cache stores what elements have changed in the
original data-block since the last time the eval object
was updated. Additionally, the update cache can store multiple
updates to the data and minimizes the number of elements
that need to be copied.
Elements can be tagged using `BKE_gpencil_tag_full_update` and
`BKE_gpencil_tag_light_update`. A full update means that the element
itself will be copied but also all of the content inside. E.g. when a
layer is tagged for a full update, the layer, all the frames inside the
layer and all the strokes inside the frames will be copied.
A light update means that only the properties of the element are copied
without any of the content. E.g. if a layer is tagged with a light
update, it will copy the layer name, opacity, transform, etc.
When the update cache is in use (e.g. elements have been tagged) then
the depsgraph will not trigger a copy-on-write, but an update-on-write.
This means that the update cache will be used to determine what elements
have changed and then only those elements will be copied over to the
eval object.
If the update cache is empty or the data block was tagged with a full
update, we always fall back to a copy-on-write.
Currently, the update cache is only used by the active depsgraph. This
is because we need to free the update cache after an update-on-write so
it's reset and we need to make sure it is not freed or read by other
depsgraphs.
Co-authored-by: @yann-lty
This patch was contributed by The SPA Studios.
Reviewed By: sergey, antoniov, #dependency_graph, pepeland, mendio
Maniphest Tasks: T95401
Differential Revision: https://developer.blender.org/D13984
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Includes unwanted changes
This reverts commit 46e049d0ce2bce2f53ddc41a0dbbea2969d00a5d.
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This patch implements the vector types (i.e:`float2`) by making heavy
usage of templating. All vector functions are now outside of the vector
classes (inside the `blender::math` namespace) and are not vector size
dependent for the most part.
In the ongoing effort to make shaders less GL centric, we are aiming
to share more code between GLSL and C++ to avoid code duplication.
####Motivations:
- We are aiming to share UBO and SSBO structures between GLSL and C++.
This means we will use many of the existing vector types and others
we currently don't have (uintX, intX). All these variations were
asking for many more code duplication.
- Deduplicate existing code which is duplicated for each vector size.
- We also want to share small functions. Which means that vector
functions should be static and not in the class namespace.
- Reduce friction to use these types in new projects due to their
incompleteness.
- The current state of the `BLI_(float|double|mpq)(2|3|4).hh` is a
bit of a let down. Most clases are incomplete, out of sync with each
others with different codestyles, and some functions that should be
static are not (i.e: `float3::reflect()`).
####Upsides:
- Still support `.x, .y, .z, .w` for readability.
- Compact, readable and easilly extendable.
- All of the vector functions are available for all the vectors types
and can be restricted to certain types. Also template specialization
let us define exception for special class (like mpq).
- With optimization ON, the compiler unroll the loops and performance
is the same.
####Downsides:
- Might impact debugability. Though I would arge that the bugs are
rarelly caused by the vector class itself (since the operations are
quite trivial) but by the type conversions.
- Might impact compile time. I did not saw a significant impact since
the usage is not really widespread.
- Functions needs to be rewritten to support arbitrary vector length.
For instance, one can't call `len_squared_v3v3` in
`math::length_squared()` and call it a day.
- Type cast does not work with the template version of the `math::`
vector functions. Meaning you need to manually cast `float *` and
`(float *)[3]` to `float3` for the function calls.
i.e: `math::distance_squared(float3(nearest.co), positions[i]);`
- Some parts might loose in readability:
`float3::dot(v1.normalized(), v2.normalized())`
becoming
`math::dot(math::normalize(v1), math::normalize(v2))`
But I propose, when appropriate, to use
`using namespace blender::math;` on function local or file scope to
increase readability.
`dot(normalize(v1), normalize(v2))`
####Consideration:
- Include back `.length()` method. It is quite handy and is more C++
oriented.
- I considered the GLM library as a candidate for replacement. It felt
like too much for what we need and would be difficult to extend / modify
to our needs.
- I used Macros to reduce code in operators declaration and potential
copy paste bugs. This could reduce debugability and could be reverted.
- This touches `delaunay_2d.cc` and the intersection code. I would like
to know @howardt opinion on the matter.
- The `noexcept` on the copy constructor of `mpq(2|3)` is being removed.
But according to @JacquesLucke it is not a real problem for now.
I would like to give a huge thanks to @JacquesLucke who helped during this
and pushed me to reduce the duplication further.
Reviewed By: brecht, sergey, JacquesLucke
Differential Revision: https://developer.blender.org/D13791
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Reverted because the commit removes a lot of commits.
This reverts commit a2c1c368af48644fa8995ecbe7138cc0d7900c30.
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This patch implements the vector types (i.e:float2) by making heavy
usage of templating. All vector functions are now outside of the vector
classes (inside the blender::math namespace) and are not vector size
dependent for the most part.
In the ongoing effort to make shaders less GL centric, we are aiming
to share more code between GLSL and C++ to avoid code duplication.
Motivations:
- We are aiming to share UBO and SSBO structures between GLSL and C++.
This means we will use many of the existing vector types and others we
currently don't have (uintX, intX). All these variations were asking
for many more code duplication.
- Deduplicate existing code which is duplicated for each vector size.
- We also want to share small functions. Which means that vector functions
should be static and not in the class namespace.
- Reduce friction to use these types in new projects due to their
incompleteness.
- The current state of the BLI_(float|double|mpq)(2|3|4).hh is a bit of a
let down. Most clases are incomplete, out of sync with each others with
different codestyles, and some functions that should be static are not
(i.e: float3::reflect()).
Upsides:
- Still support .x, .y, .z, .w for readability.
- Compact, readable and easilly extendable.
- All of the vector functions are available for all the vectors types and
can be restricted to certain types. Also template specialization let us
define exception for special class (like mpq).
- With optimization ON, the compiler unroll the loops and performance is
the same.
Downsides:
- Might impact debugability. Though I would arge that the bugs are rarelly
caused by the vector class itself (since the operations are quite trivial)
but by the type conversions.
- Might impact compile time. I did not saw a significant impact since the
usage is not really widespread.
- Functions needs to be rewritten to support arbitrary vector length. For
instance, one can't call len_squared_v3v3 in math::length_squared() and
call it a day.
- Type cast does not work with the template version of the math:: vector
functions. Meaning you need to manually cast float * and (float *)[3] to
float3 for the function calls.
i.e: math::distance_squared(float3(nearest.co), positions[i]);
- Some parts might loose in readability:
float3::dot(v1.normalized(), v2.normalized())
becoming
math::dot(math::normalize(v1), math::normalize(v2))
But I propose, when appropriate, to use
using namespace blender::math; on function local or file scope to
increase readability. dot(normalize(v1), normalize(v2))
Consideration:
- Include back .length() method. It is quite handy and is more C++
oriented.
- I considered the GLM library as a candidate for replacement.
It felt like too much for what we need and would be difficult to
extend / modify to our needs.
- I used Macros to reduce code in operators declaration and potential
copy paste bugs. This could reduce debugability and could be reverted.
- This touches delaunay_2d.cc and the intersection code. I would like to
know @Howard Trickey (howardt) opinion on the matter.
- The noexcept on the copy constructor of mpq(2|3) is being removed.
But according to @Jacques Lucke (JacquesLucke) it is not a real problem
for now.
I would like to give a huge thanks to @Jacques Lucke (JacquesLucke) who
helped during this and pushed me to reduce the duplication further.
Reviewed By: brecht, sergey, JacquesLucke
Differential Revision: http://developer.blender.org/D13791
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This reverts commit e339946515b00bc230bad2ec52a729dd914a8af3.
This broken the tablet pressure and it was impossible to set a proper strength.
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Don't need check minimum constant value, brush value is enough.
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There was a clamp with a value greater than 0.
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The problem was the points were selected in edit mode and then sampled. Now, in draw mode, the points are always unselected to avoid this effect in the auto merge process.
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The problem was the stroke was added to head and the `prev` pointer was NULL. Now check if there is the list is empty`next`.
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Fixes many instances of `-Wstringop-overread` warning on GCC 11
Differential Revision: https://developer.blender.org/D13672
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Differential Revision: https://developer.blender.org/D12962
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The eraser checks the current, previous and next point (and sets pc0,
pc1 & pc2 corresponding to that for futher occlusion/brush/clipping
checks). For the very first point, it sets pc0 to pc1 [which makes sense,
there is no previous point, so we should assume the previous segment is
"visible" as soon as the first point is], but does so *before* pc1 is
even calculated. This makes following occlusion/brush/clipping checks
work with zero values [which leads to no earsing in most cases].
Now *first* calculate pc1, *then* set pc0 to pc1.
Maniphest Tasks: T94137
Differential Revision: https://developer.blender.org/D13593
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his new modifier is equals to the existing mesh modifier but adapted to grease pencil.
The underlying functions used to calculate the shrink are the same used in meshes.
{F11794101}
Reviewed By: pepeland, HooglyBoogly
Differential Revision: https://developer.blender.org/D13192
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Bug introduced in {rBaa0ac0035a0d}.
The invalid depth fallback was changed to `FLT_MAX` in order to match the
annotation and gpencil operations.
This broke the `Interactive Light Track` operator which invalidates the
operation if the depth value is `1.0f`.
The chosen solution was to change the value tested in the annotation and
gpencil operations.
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When cut an stroke using the option Flat Caps, the falt was not done if the cut was done in the middle of the stroke.
Now the flat is applied to the segments created and also some cleanup of the code done.
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Issue seen when setting `Stroke Placement` of type `Stroke`.
Regression introduced in {rBaa0ac0035a0d3601672a0c732e3f8f932a36fc04}.
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Operations such as erasing with occlusion and drawing on the surface
require reading the depth buffer.
However, this is being done with minimal efficiency.
Currently, to read the depth corresponding to each point of the new stroke,
a ReadPixel is called to send a message to the GPU and read the depth of
the corresponding pixel in the VRAM.
The communication between GPU and CPU is known to be a slow operation so
it is good to be avoided.
Therefore, save the entire depth buffer in a cache to be read directly
from the RAM.
(Also the `ED_view3d_autodist_depth` and `ED_view3d_autodist_depth_seg` have
been removed since they are no longer used).
Reviewed By: antoniov, fclem
Differential Revision: https://developer.blender.org/D10894
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`pt0` was read when `NULL` and `is_occluded_pt1` could be read even if
it is not initialized.
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Use arrays for wmEvent coordinates, this quiets warnings with GCC11.
- `x, y` -> `xy`.
- `prevx, prevy` -> `prev_xy`.
- `prevclickx, prevclicky` -> `prev_click_xy`.
There is still some cleanup such as using `copy_v2_v2_int()`,
this can be done separately.
Reviewed By: campbellbarton, Severin
Ref D12901
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The Paint operator only works in SPACE_VIEW3D and this is checked in the poll mtehod, so it's not logic check again.
These checkings were part of the old grease pencil but it was not removed.
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The function was not doing anything and only was calling another function.
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This flag was used in older versions, but now is not used anymore.
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The eval data is updated at the end of the function and this call just adds a calculation not used.
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When joining two strokes in paint mode using the auto merge option, the join was very hard if the thickness was too different.
This patch adds a smooth to the join in order to get better transition.
Also fixed the problem to join existing strokes very far from actual stroke.
Some cleanup and rename of old code is included in order to make code more readable.
Reviewed By: pepeland
Differential Revision: https://developer.blender.org/D12362
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These lines were very old debug code and now it's not required because the code is very tested.
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This is used to set the default caps type for the stroke. Before always was rounded and only could be changed later in Edit mode
Two new buttons has been added to topbar.
NOTE: New icons are been designed (T90414)
The buttons are expanded to list in Properties panel.
Reviewed By: mendio, HooglyBoogly
Differential Revision: https://developer.blender.org/D11999
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This commit moves the storage of `bDeformGroup` and the active index
to `Mesh`, `Lattice`, and `bGPdata` instead of `Object`. Utility
functions are added to allow easy access to the vertex groups given
an object or an ID.
As explained in T88951, the list of vertex group names is currently
stored separately per object, even though vertex group data is stored
on the geometry. This tends to complicate code and cause bugs,
especially as geometry is created procedurally and tied less closely
to an object.
The "Copy Vertex Groups to Linked" operator is removed, since they
are stored on the geometry anyway.
This patch leaves the object-level python API for vertex groups in
place. Creating a geometry-level RNA API can be a separate step;
the changes in this commit are invasive enough as it is.
Note that opening a file saved in 3.0 in an earlier version means
the vertex groups will not be available.
Differential Revision: https://developer.blender.org/D11689
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