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Allow creating meshes without vertex positions
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now be constructed from an index buffer alone
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Add shader uniform hints for screen textures
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filter and repeat modes.
At this time, it works best in the Vulkan Renderers as they support using multiple samplers with the same texture.
In GLES3 this feature really only allows you to use the screen texture without mipmaps if you want to save the cost of generating them.
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This can be used to make shadows translucent for a specific light.
The light distance fade system also uses this to smoothly fade the shadow
when the light fade transition distance is greater than 0.
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`shader_uniform` is now consistenly used across both per-shader
and per-instance shader uniform methods. This makes methods easier
to find in the class reference when looking for them.
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Fixes #63909 for now.
This could be improved in the future if we want to properly support S3TC on mobile.
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Add `hint_transparent` to use a transparent black placeholder texture
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This can be used in shaders to avoid the need to supply a transparent
placeholder texture manually.
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The `global_shader_uniform` name is longer, but it makes it much
easier to find the methods when searching in the class reference.
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Adds `header_guards.sh` bash script, used in CI to validate future
changes. Can be run locally to fix invalid header guards.
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Implement built-in classes Vector4, Vector4i and Projection.
* Two versions of Vector4 (float and integer).
* A Projection class, which is a 4x4 matrix specialized in projection types.
These types have been requested for a long time, but given they were very corner case they were not added before.
Because in Godot 4, reimplementing parts of the rendering engine is now possible, access to these types (heavily used by the rendering code) becomes a necessity.
**Q**: Why Projection and not Matrix4?
**A**: Godot does not use Matrix2, Matrix3, Matrix4x3, etc. naming convention because, within the engine, these types always have a *purpose*. As such, Godot names them: Transform2D, Transform3D or Basis. In this case, this 4x4 matrix is _always_ used as a _Projection_, hence the naming.
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* Moved preprocessor to Shader and ShaderInclude
* Clean up RenderingServer side
* Preprocessor is separate from parser now, but it emits tokens with include location hints.
* Improved ShaderEditor validation code
* Added include file code completion
* Added notification for all files affected by a broken include.
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added usage defines for opengl3 renderer
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Improve GI renderer and add VRS support
Implement render device has_feature and move subgroup settings to limit_get
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Split FOG
Split visibility notifier
Final cleanup of storage classes
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Use IGN instead of white noise for sky dithering
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As well as significant consequent cleanup in the RenderTarget, Texture, and Canvas renderer code
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Rename `hint_albedo`, `hint_white/black` in shaders
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* Intended to replace RBSet in most cases.
* Optimized for iteration speed
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This includes all three light types and IBL, but does not include shadows or any form of GI
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* Map is unnecessary and inefficient in almost every case.
* Replaced by the new HashMap.
* Renamed Map to RBMap and Set to RBSet for cases that still make sense
(order matters) but use is discouraged.
There were very few cases where replacing by HashMap was undesired because
keeping the key order was intended.
I tried to keep those (as RBMap) as much as possible, but might have missed
some. Review appreciated!
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Adds a new, cleaned up, HashMap implementation.
* Uses Robin Hood Hashing (https://en.wikipedia.org/wiki/Hash_table#Robin_Hood_hashing).
* Keeps elements in a double linked list for simpler, ordered, iteration.
* Allows keeping iterators for later use in removal (Unlike Map<>, it does not do much
for performance vs keeping the key, but helps replace old code).
* Uses a more modern C++ iterator API, deprecates the old one.
* Supports custom allocator (in case there is a wish to use a paged one).
This class aims to unify all the associative template usage and replace it by this one:
* Map<> (whereas key order does not matter, which is 99% of cases)
* HashMap<>
* OrderedHashMap<>
* OAHashMap<>
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fixed and simplified gl_manager_windows
swap buffers now called for all windows
fixed missing pixel format setting in additional windows
this makes them work in OpenGL contexts
changed verbose error printing to write once
this error message happens very frequently while opengl3 is not finished
removed dead code no longer needed after changes
fixed comments that were misinformation
window messages during window creation now handled
these were previously discarded
messages now tunnel the required context
changed failure to create opengl3 window on windows to be more fatal
marked a problem with pen code
conditional compilation of vulkan and opengl3 on windows fixed
windows debug builds now show messages on debug console also
rendering driver selection box now shows only compiled drivers
marked some problematic code
thanks to akien-mga for patiently rewriting my style mistakes
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Safer guards for debug functions.
GL_FRAMEBUFFER_INCOMPLETE_* functions seem to be OpenGL 4.
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Add LightStorage functions to GLES3 renderer
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Rename Transform2D and Basis `elements` to `columns` and `rows` respectively
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