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Hair normals were not behaving correctly. This corrects their looks and
fix the node shader geometry that was showing the flat normal.
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This is to simplify the usage of SSS.
Now it automatically detect if there is any SSS material in the view and
allocate the needed buffer if any.
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This is normally already calculated so add a version that takes the
inverted matrix.
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The windows compiler use signed int by default for enums so that broke
the bit count I carefully did. Forcing uint fixes it.
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On Windows 10 with a post Februari 2019 Intel driver, the box selection
is not working. It only detects the object centers, but not the drawn
triangles of the basic engine.
Reviewed By: fclem
Maniphest Tasks: T62947
Differential Revision: https://developer.blender.org/D4857
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With this patch, the size of GPUVertFormat goes from 1240 to 388.
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GPU_vertbuf_discard to clear buffer containers in place.
GPU_BATCH_UNUSED to tag batch that are cleared and not immediatly usable.
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- Use int instead of uint for safety and less conversions.
- Add free callback
- Add cleared alloc option
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This removes the need to pass the Material* all over the place in the draw
manager. Cleanup comming right after.
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This makes it easier to set up materials with emission and transparency.
Importers/exporters and add-ons are recommended to now use these rather than
creating separate transparent BSDF and emission nodes.
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Cycles now uses the color space on the image datablock, and uses OpenColorIO
to convert to scene linear as needed. Byte images do not take extra memory,
they are compressed in scene linear + sRGB transfer function which in common
cases is a no-op.
Eevee and workbench were changed to work similar. Float images are stored as
scene linear. Byte images are compressed as scene linear + sRGB and stored in
a GL_SRGB8_ALPHA8 texture. From the GLSL shader side this means they are read
as scene linear, simplifying the code and taking advantage of hardware support.
Further, OpenGL image textures are now all stored with premultiplied alpha.
Eevee texture sampling looks a little different now because interpolation
happens premultiplied and in scene linear space.
Overlays and grease pencil work in sRGB space so those now have an extra
conversion to sRGB after reading from image textures. This is not particularly
elegant but as long as engines use different conventions, one or the other
needs to do conversion.
This change breaks compatibility for cases where multiple image texture nodes
were using the same image with different color space node settings. However it
gives more predictable behavior for baking and texture painting if save, load
and image editing operations have a single color space to handle.
Differential Revision: https://developer.blender.org/D4807
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Sorry for that :(
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Remove matrices multiplication and use more correct codestyle for variables
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Making them world space by default remove a lot of legacy conversion from
viewspace.
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The end goal for this is to lower the number of needed matrices.
This also cleanup some uneeded transformation.
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Also fix engine data validation that was not previously not working.
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This remove a avoid the big overhead present in BLI_mempool when it is
cleared.
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Fall-through without label or default after it.
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There is a significant precision loss when converting large float values to int.
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Prepare for enabling ReflowComments.
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fix T63936 introduced in 86914e713347.
Reviewers: fclem
Reviewed By: fclem
Tags: #bf_blender
Maniphest Tasks: T63936
Differential Revision: https://developer.blender.org/D4750
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Cycles check for infinity and return 0.0 otherwise.
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If the draw uses the same id as the previous draw, there is no need to read the depth
buffer at this point, avoiding a CPU-GPU sync bubble.
Fixes T62511 Selection is significantly slower in production scenes.
With this patch glReadPixels is not the bottleneck. Regular drawing Is still very
slow so I would suggest fixing the regular drawing first before trying to
improve the selection algorithm.
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Using mat4 in a uniform buffer object was not properly supported.
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If image buffer is not loaded and blender attempts to reload it (during
`BKE_image_acquire_ibuf`) over and over for each frame rendered.
When attempting this reload, image_load_image_file is calling
`BKE_image_free_buffers` and tag the Image to the (GPU) image_free_queue
(because this run on the rendering thread).
If the main thread decide to redraw the UI and go through `GPU_free_unused_buffers` they all get deleted and if that happens before the rendering thread use them ... segfault.
If I replace the environment textures with correct ones (the file does not seems to contain them), there is no crash when rendering.
I used a list of GPUTexture from blender Image to increase and decrease the
reference counter correctly.
This add very little memory and computation overhead.
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For good this time...
forgot to commit it in the previous commit rBedde48f57844.
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Currently it is not possible to view the vertex colors of an object. To
optimize the workflow, workbench will need to support Vertex Colors.
The Vertex Colors is a new option in `shading->color_type`. When objects
do not have vertex color, the objects will be rendered with the
`V3D_SHADING_OBJECT_COLOR`.
In order to support vertex colors in workbench the current texture/solid
shading structure is migrated to a primary shaders and fallback shaders.
Fix: T57000
Reviewers: brecht, fclem
Differential Revision: https://developer.blender.org/D4694
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