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1346 Commits

Author SHA1 Message Date
Yuri Sizov
13307e7efc Merge pull request #79776 from LRFLEW/mobilefog 
Mobile: Uncomment code required for fog rendering on clear color
 2023-08-01 17:25:29 +02:00
Yuri Sizov
1c40263665 Merge pull request #79606 from clayjohn/ShaderRD-compilation-groups 
Shader rd compilation groups
 2023-08-01 17:25:16 +02:00
Yuri Sizov
8b12849fef Merge pull request #79876 from LRFLEW/mobalpha 
Fix transparent viewport backgrounds with custom clear color
 2023-07-31 21:01:32 +02:00
LRFLEW
6effd3cde7 Fix transparent viewport backgrounds with custom clear color 2023-07-30 06:19:47 -05:00
Matias N. Goldberg
472226422e Fix uninitialized variable ending up sent to Vulkan 
The first time a shader is compiled Godot performs the following:

```cpp
for (uint32_t i = 0; i < SHADER_STAGE_MAX; i++) {
	if
(spirv_data.push_constant_stages_mask.has_flag((ShaderStage)(1 << i))) {
		binary_data.push_constant_vk_stages_mask |=
shader_stage_masks[i];
	}
}
```

However binary_data.push_constant_vk_stages_mask is never initialized to
0 and thus contains garbage data or'ed with the good data.

This value is used by push constants (and many other things) thus it can
be a big deal.

Fortunately because the relevant flags are always guaranteed to be set
(but not guaranteed to be unset), the damage is restricted to:

1. Performance (unnecessary flushing & over-excessive barriers)
2. Overwriting push descriptors already set (this would be serious,
doesn't seem to be an issue)
3. Driver implementations going crazy when they see bits set they don't
expect (unknown if this is an issue)

This uninitialized value is later saved into the binary cache.

Valgrind is able to detect this bug on the first run, but not on the
subsequent ones because they data comes from a file.

cache_file_version has been bumped to force rebuild of all cached
shaders. Because the ones generated so far are compromised.
 2023-07-29 18:28:33 -03:00
Yuri Sizov
1fe49e7271 Merge pull request #79142 from BastiaanOlij/register_render_buffers 
Expose RenderSceneBuffers(RD) through ClassDB
 2023-07-27 15:22:27 +02:00
Bastiaan Olij
4874b96033 Expose RenderingSceneBuffers through ClassDB 2023-07-26 23:48:30 +10:00
Bastiaan Olij
63d6e9c557 Add custom texture create function 2023-07-26 20:46:34 +10:00
Yuri Sizov
3f2e901633 Merge pull request #79865 from clayjohn/discard-shader 
Fix use of discard in shaders
 2023-07-25 21:26:27 +02:00
Yuri Sizov
08cffc128f Merge pull request #79812 from ParsleighScumble/parsleigh/init-sky-scene-state 
Use defaults to initialize sky data in case of no sky
 2023-07-25 21:26:23 +02:00
Clay
7c812cd7e9 Fix use of discard in shaders 
discard was being included in all shaders set to depth pass opaque, which is the majority of shaders

Instead it should only be used with alpha prepass materials
 2023-07-24 23:21:04 +02:00
Parsleigh Scumble
67c13fe4eb Use defaults to initialize sky data in case of no sky 2023-07-24 10:41:13 -07:00
Yuri Sizov
360633089c Merge pull request #79590 from 0010200303/master 
Fix bad LOD selection when Camera in Mesh AABB
 2023-07-24 19:32:54 +02:00
LRFLEW
db17415df8 Mobile: Uncomment code required for fog rendering on clear color 2023-07-24 08:46:45 -05:00
clayjohn
e970f5249c Add Shader compile groups to RD Shader system 
This allows us to specify a subset of variants to compile at load time and conditionally other variants later.

This works seamlessly with shader caching.

Needed to ensure that users only pay the cost for variants they use
 2023-07-21 16:42:30 +02:00
Jonas Schönbrodt
26c4644b38 Fix bad LOD selection when Camera in Mesh AABB 
Fixed an issue where a bad LOD would be selected although the Camera being inside the Meshes AABB.
 2023-07-19 18:07:37 +02:00
mandryskowski
33e46aac13
Revert the change of the limit for interpolation of R0 with respect to metallic and SSR 
Commit 2c000cb72f changed the interpolation limits from (0.04, 1.0) to (0.04, 0.37). This is incorrect, as we want to have an F0 of 0.04 for dielectrics (materials with metalness of 0.0) and an F0 of 1.0 for metals.
The Schlick approximation uses an F0 of 0.04 for all dielectrics and it's good enough.
Having it lower than 1.0 leads to an incorrect application of the Fresnel effect for metals and leads to bugs like #79549
 2023-07-18 19:18:19 +02:00
Bastiaan Olij
a22f495a3c Split raster barrier into vertex and fragment barrier 2023-07-15 12:30:32 +10:00
Yuri Sizov
0fa808ba5e Merge pull request #77085 from BastiaanOlij/visualise_direction_shadowmap_frustum 
Draw frustum splices ontop of direction shadow atlas for debug purposes
 2023-07-12 21:02:25 +02:00
Yuri Sizov
bb15241e06 Merge pull request #77740 from ChibiDenDen/simplify_vulkan 
Replace sampler arrays with constant sampler elements, simplify and reuse code for all shaders
 2023-07-12 17:16:12 +02:00
Yuri Sizov
5dff3c4484 Merge pull request #78538 from Sauermann/fix-code-simplifications 
Remove unnecessary value assignments throughout the codebase
 2023-07-12 15:09:26 +02:00
Rémi Verschelde
7030ac555f
Merge pull request #79270 from clayjohn/particle-trails-error 
Unify error condition for particles trail lifetime
 2023-07-10 10:38:34 +02:00
clayjohn
78ecdb17f9 Unify error condition for particles trail lifetime 2023-07-10 10:17:27 +02:00
Rémi Verschelde
ea3aaeac05
Merge pull request #78624 from puchik/canvas-background-specular-ghosting 
Clear specular buffer if sky mode is canvas and screen space effects are used
 2023-07-08 18:16:05 +02:00
clayjohn
35ed7c770b Initialize particles instance buffer in case it is used before being updated 2023-06-29 13:24:40 -07:00
K. S. Ernest (iFire) Lee
39dfa8436e Varying mismatch causing shaders to fail. 2023-06-23 21:36:38 -07:00
Arman Elgudzhyan
af9d1743f3 Clear specular buffer if bg mode is canvas and ss effects are used 
Explicitly clear the separate specular buffer when the background mode is canvas and screen space effects (and thus a separate specular buffer) are used.
 2023-06-23 12:16:52 -07:00
bitsawer
ef00de99b4 Fix error spam when a mesh with bone weights has an invalid skeleton 2023-06-22 15:58:52 +03:00
ChibiDenDen
35715e510f replace sampler arrays with constant sampler elements 2023-06-22 01:11:57 +03:00
Markus Sauermann
890fdd56df Code simplifications 
CPPcheck found most of them.

no need to assign the variable twice:
- AnimationTrackEditTypeAudio
- SSEffects

variable is assigned in all if-else clauses:
- EditorHelp
- AndroidInputHandler
- MenuBar
- ShaderCompiler

same if clause:
- ItemList

clearing an empty bitfield has no effect:
- Viewport
 2023-06-21 22:37:26 +02:00
Bastiaan Olij
952b4b3f38 Apply reprojection in multiview for our cluster lookup 2023-06-21 11:17:01 +10:00
Rémi Verschelde
dca1e0bef7
Merge pull request #78436 from BastiaanOlij/fix_stereo_fog 
Fix volumetric fog in stereo by projection vertex in combined space
 2023-06-20 09:21:39 +02:00
Bastiaan Olij
66272ea26e Fix volumetric fog in stereo by projection vertex in combined space 2023-06-20 14:36:14 +10:00
bitsawer
dab0871d41 Fix invalid RID errors when freeing a mesh with blend shapes 2023-06-19 11:07:15 +03:00
clayjohn
36a005fafc
Add RENDERING_INFO parameters to GL Compatibility renderer 
This also fixes RENDERING_INFO_TOTAL_PRIMITIVES_IN_FRAME for the RD renderers as it was incorrectly reporting vertex/index count at times

This also adds memory tracking to textures and buffers to catch memory leaks.

This also cleans up some memory leaks that the new system caught.
 2023-06-16 09:10:00 +02:00
Rémi Verschelde
16c2fede71
Merge pull request #78200 from prominentdetail/patch-3 
Properly handle wireframe mode in RendererRD pipeline cache
 2023-06-14 09:27:10 +02:00
Rémi Verschelde
e0651ed4b5
Merge pull request #78199 from clayjohn/detect_3d 
Ensure that "detect 3D" is only called when using 3D shaders
 2023-06-14 09:26:47 +02:00
Alex
f74464b767
Properly handle wireframe mode in RendererRD pipeline cache 
Makes wireframe get cached properly so that it doesn't keep being recreated.
Fixes #76237.
 2023-06-14 09:14:34 +02:00
Bastiaan Olij
6dd47e232b Expose RD::texture_native_handle 2023-06-14 09:58:08 +10:00
clayjohn
0b7e2dfdfc Ensure that "detect 3D" is only called when using 3D shaders 2023-06-13 13:20:11 -07:00
Bastiaan Olij
d9eb9665da Draw frustum splices ontop of direction shadow atlas for debug purposes 2023-06-11 11:48:11 +10:00
Rémi Verschelde
7c71844999
Merge pull request #77703 from RandomShaper/fix_vol_fog_thingy 
Fix management of life cycle of vol. fog related uniform sets
 2023-06-09 11:05:11 +02:00
Rémi Verschelde
9ce42d176d
Merge pull request #76977 from manueldun/light-shader-builtins 
Enable the use of all supported builtins on the light shader
 2023-06-09 11:04:46 +02:00
Rémi Verschelde
166643df32
Merge pull request #74937 from bitsawer/fix_uniform_storage 
Fix shader uniform storage conversions and crash
 2023-06-09 11:04:16 +02:00
Manuel Dun
e2321c21db Enable the use of all builtins on the light shader 
When using the light process in spatial shader,
the built-ins work as spected, now they work in forward+,
mobile and compatibility renderer.
 2023-06-08 14:14:14 -04:00
Arman Elgudzhyan
7bcc849143 Use depth pass mode with normals if required even if Environment is null 
If using normal buffer debugging or if the normal texture was used, we should use PASS_MODE_DEPTH_NORMAL_ROUGHNESS regardless of whether there is a valid Environment or not. Otherwise, shaders reading the normal texture will not work without a valid Environment (and possibly other problems).
 2023-06-03 07:56:47 -07:00
Pedro J. Estébanez
f08f67308e Fix management of life cycle of vol. fog related uniform sets 2023-05-31 19:54:28 +02:00
bitsawer
23c375d6b4 Fix shader uniform storage conversions and crash 2023-05-29 15:17:13 +03:00
Yuri Sizov
f6dcd7f51a
Merge pull request #75181 from dalexeev/fix-light-only-mode 
Fix "Light Only" mode of `CanvasItemMaterial`
 2023-05-27 17:28:29 +02:00
Allen Pestaluky
4e19f34856 Changed Subtract blend mode of Forward+ and Mobile renderers to match behaviour of the Godot 3 and Compatibility renderers 
The OpenGL implementation has used GL_FUNC_REVERSE_SUBTRACT for a long time, but the new RenderingDevice abstraction used by the Vulkan renderers had been mistakenly set to BLEND_OP_SUBTRACT instead of BLEND_OP_REVERSE_SUBTRACT.

Fixes #77448
 2023-05-26 10:50:35 -04:00
Rémi Verschelde
ba557aaf55
Merge pull request #77294 from puchik/lod-resolution-scaling 
Take 3D resolution scaling into account for mesh LOD
 2023-05-24 08:48:38 +02:00
Rémi Verschelde
852740a627
Merge pull request #76053 from MightiestGoat/fix-sky-auto-exposure 
Fix the grainy sky while using debanding.
 2023-05-24 08:46:28 +02:00
Rémi Verschelde
d5c1b9f883
Merge pull request #77327 from BastiaanOlij/fix_gi_and_fog_free 
Conditionally free GI and FOG resources, they may not have been created
 2023-05-22 22:37:12 +02:00
Rémi Verschelde
1086375785
Merge pull request #77266 from Rindbee/fix-bugs-in-TextureStorage-texture_3d_update 
Fix calling `TextureStorage::texture_3d_update()` could cause a crash
 2023-05-22 13:49:23 +02:00
Rémi Verschelde
05ddc822fb
Merge pull request #77265 from lyuma/aabb_bone_lod_inside 
Fix calculation of skinned AABB for unused bones.
 2023-05-22 13:49:19 +02:00
Bastiaan Olij
57f343ab21 Conditionally free GI and FOG resources, they may not have been created 2023-05-22 12:59:34 +10:00
Rindbee
ebd2b9e299 Fix calling TextureStorage::texture_3d_update() could cause a crash 2023-05-22 06:24:13 +08:00
Arman Elgudzhyan
ac4ca89000 Take 3D resolution scaling into account for mesh LOD 2023-05-20 16:40:16 -07:00
Lyuma
791d8001db Fix AABB for unused bones 
Fixes bug where bounding box of 1 unit was used in some skinned models and had wrong LODs.
(this could become very large if the mesh is scaled, such as FBX conversions)
Also fixes a mistake in calcualting bone index.
 2023-05-19 19:47:52 -07:00
Markus Grafen
8a3e829930 (Re-)Implemented Light3D's property "shadow_reverse_cull_face" 
The parameter shadow_reverse_cull_face is now passed to the shadow pass so that the mesh back-faces are used for shadow map calculation.
 2023-05-19 19:22:10 +02:00
Bastiaan Olij
dae58dd187 Fix a typo in the debug shadow split renderer 2023-05-18 10:36:12 +10:00
Rémi Verschelde
9ecb929da6
Merge pull request #76565 from clayjohn/debug-PSSM-splits 
Re-implement the PSSM_SPLITS debug option
 2023-05-15 09:33:01 +02:00
Danil Alexeev
43b0702a02
Fix "Light Only" mode of CanvasItemMaterial 2023-05-13 09:06:09 +03:00
Rémi Verschelde
564d1b34e0
Merge pull request #74711 from BastiaanOlij/add_texture_native_handle 
Provide access to internal graphics handles for textures
 2023-05-09 19:28:26 +02:00
Bastiaan Olij
c328676d96 For GDExternal use, provides access to internal graphics handles for textures 2023-05-09 13:47:22 +10:00
Pedro J. Estébanez
6465432570 Save cluster render shader from being optimized out entirely 2023-05-08 18:39:49 +02:00
Max Hilbrunner
39d85308fd
Merge pull request #76109 from paddy-exe/fix-node-position-view 2023-05-05 14:35:41 +02:00
Johan Aires Rastén
8452e6cdb3 Add SPECULAR_AMOUNT spatial light shader built-in 
Light3D has a light_specular property which is used to set the
intensity of specular contributed by this light source, but it was
previously only used by the default material light shader, and not
possible to use in a custom light() shader.
 2023-05-04 09:15:12 +02:00
Max Hilbrunner
ba32279cd0
Merge pull request #76550 from RandomShaper/vk_gi_take_2 
Fix voxel GI issues (2)
 2023-05-03 20:24:05 +02:00
Patrick
e35bbd76a3 Fix Rotation Issue with NODE_POSITION_VIEW Visual Shader Node 2023-05-03 19:59:43 +02:00
Pedro J. Estébanez
c58e50adcc Fix additional cases of breakage of rendering effects 2023-05-03 11:57:54 +02:00
clayjohn
fb77021559 Use proper UV in cubemap downsampler raster 
This removes bias in cubemap downsampling shader that resulted in the bottom of cubemaps being over represented
 2023-05-03 01:06:34 -07:00
clayjohn
ca23d06a31 Re-implement the PSSM_SPLITS debug option 
This uses a render_mode instead of shadow_color to avoid adding a cost to the basic shader
 2023-04-28 17:53:56 -07:00
Pedro J. Estébanez
09aa1bbdb3 Fix unsupported sampler filter used for voxel GI 2023-04-26 20:54:06 +02:00
Pedro J. Estébanez
2beed0d5dc Fix breakages of volumetric fog on voxel GI changes 2023-04-26 10:24:03 +02:00
Johan Aires Rastén
14a8124ffe Add LIGHT_IS_DIRECTIONAL built-in for spatial shaders 2023-04-20 14:33:30 +02:00
clayjohn
ab603e347f Clamp normal when calculating 2D lighting to avoid artifacts 2023-04-18 17:26:17 -07:00
mightygoat
69f634ac78 Fix the grainy sky while using debanding 2023-04-15 10:43:46 +05:30
Rémi Verschelde
0ec2be1213
Merge pull request #76003 from clayjohn/double-particle-offset 
Don't store instance transform origin in RD 3D renderer unless requested
 2023-04-13 09:56:41 +02:00
Rémi Verschelde
34a842b5d1
Merge pull request #75462 from joao-pedro-braz/use_modelview_for_vertex_transform_when_double_precision_is_enabled 
Use MODELVIEW_MATRIX when on double precision
 2023-04-13 09:53:54 +02:00
Rémi Verschelde
e6e52f9154
Merge pull request #75162 from ecmjohnson/gpuparticles_inf_translate 
GPUParticles3D: Translate inactive particles to -INF
 2023-04-13 09:53:04 +02:00
Erik Johnson
6229c2a1f9 Translate inactive particles to -INF 2023-04-12 19:32:39 -04:00
clayjohn
29edd277e4 Don't store instance transform in RD 3D renderer unless requested 
Previously, when using doubles builds of the engine, instance transform was stored no matter what which caused world space particles to accumulate the instance transform twice
 2023-04-12 14:41:17 -07:00
clayjohn
9be0a73294 Add EXPOSURE built in to spatial shaders 
This allows users to restore light values to pre-pre-exposure amounts
 2023-04-12 10:35:13 -07:00
Rémi Verschelde
5e34a28bd7
Merge pull request #73313 from clayjohn/particles-split 
Properly calculate lifetime_split for particles
 2023-04-12 17:01:17 +02:00
Rémi Verschelde
ef17794d17
Merge pull request #75812 from RandomCatDude/sky-fog-luminance-fix 
Move sky luminance scaling to before fog is applied
 2023-04-11 19:40:36 +02:00
Rémi Verschelde
347a8e20ae
Merge pull request #69324 from RedMser/advanced-settings-errors 
Make it easier to solve warnings/errors referring to project settings
 2023-04-11 19:39:53 +02:00
RandomCatDude
c118314fe8 Apply sky fog after luminance multiplier 2023-04-08 12:52:33 +05:00
Yuri Sizov
cbb2e17369
Merge pull request #75368 from MightiestGoat/fix-limit-interpolation-R0 
Fix the limit for interpolation of R0 with respect to metallic and the calculation of the cos theata in the Fresnel Shlick term in SSR
 2023-04-07 12:40:33 +02:00
Yuri Sizov
08c1b55862
Merge pull request #74891 from jmattspartacus/OccluderPolygon2D_memLeak_53722 
Fix for OccluderPolygon2D memory leak
 2023-04-07 12:37:51 +02:00
mightygoat
2c000cb72f Fix the limit for interpolation of R0 with respect to metallic and SSR 
Shlick term
 2023-04-06 23:14:47 +05:30
Bastiaan Olij
901cd7e3fe Fix framebuffers in sky not being created on mobile renderer 2023-04-05 09:43:03 +10:00
Rémi Verschelde
154a29d33a
Merge pull request #74808 from bradc6/feature/AllowCustomOutputShaderGenFilepaths 
Allow for shaders to be generated outside of the source tree
 2023-04-03 16:01:32 +02:00
João Pedro Braz
63c6f0b93c Use MODELVIEW_MATRIX for vertex transform when double precision is enabled 
This commit updates the double precision vertex transform code from
using the MODEL_MATRIX to now use the MODELVIEW_MATRIX instead.

This can be made possible by transforming the MODELVIEW_MATRIX
back into model space (ie, same space as the MODEL_MATRIX) and then using it as if it were the MODEL_MATRIX.

With this in place we now properly handle VERTEX transformations that
a Material Shader might do, such as billboard-ing.
 2023-03-29 10:37:30 -03:00
RedMser
ed960453b7 Make solving project setting errors easier 
Show full project setting path in error messages.
Force filtering for advanced settings if filter is not empty.
 2023-03-27 08:10:35 +02:00
Bradley Clemetson
2302c7102f
Allow for external python scripts to call the build python headers via external scripts 
Change GLES3 to not use a relative path
Make the parameters more explicit and ensure the shaders generated are not using relative paths
 2023-03-19 21:18:52 -07:00
Yuri Sizov
ded38c5d75
Merge pull request #73839 from clayjohn/OUTPUT_IS_SRGB 
Clean up OUTPUT_IS_SRGB redefinitions
 2023-03-16 13:03:37 +01:00
James Christie
68149328f1 Set value of line_point_count outside of initialization 2023-03-16 01:20:41 -04:00
Rémi Verschelde
0333b4a266
Merge pull request #74708 from BastiaanOlij/fix_rd_texture 
Merge duplicate rd_texture functions
 2023-03-10 22:48:19 +01:00
Rémi Verschelde
0511da260f
Merge pull request #74019 from BastiaanOlij/split_last_effects 
Move roughness limiter and sort into their own classes
 2023-03-10 14:02:14 +01:00
Bastiaan Olij
70dca9ff55 Merge duplicate rd_texture functions 2023-03-10 21:37:01 +11:00
Bastiaan Olij
a8ec72cf94 Move roughness limiter and sort into their own classes 2023-03-09 21:58:55 +11:00
Rémi Verschelde
d150bb84a6
Merge pull request #74566 from clayjohn/GL-canvas-texture 
Avoid copying CanvasTexture when updating proxy
 2023-03-08 08:59:04 +01:00
Rémi Verschelde
23bbf6b37c
Merge pull request #74533 from SlugFiller/fix-clip-no-children 
Fixes a canvas item set to clip children being drawn as black if no children are visible
 2023-03-08 08:57:00 +01:00
clayjohn
84482ef90b Avoid copying CanvasTexture when updating proxy 2023-03-07 12:48:32 -08:00
SlugFiller
f25508befb Fixes a canvas item set to clip children being drawn as black if no children are visible 2023-03-07 09:53:26 +02:00
SlugFiller
06a1fe0364 Fix AABB calculation for meshes using Skeleton2D 2023-03-05 08:21:08 +02:00
Rémi Verschelde
61d2c85511
Merge pull request #74269 from clayjohn/RD-more-timestamps 
Add a few more rendering timestamps
 2023-03-03 11:09:27 +01:00
clayjohn
1adc4e5875 Add a few more rendering timestamps 2023-03-02 18:15:21 -08:00
Rémi Verschelde
31eccb5501
Merge pull request #74150 from BastiaanOlij/fix_mobile_msaa_2d 
Use MSAA 2D texture in multipass tonemapper
 2023-03-02 11:42:13 +01:00
Rémi Verschelde
29723da272
Merge pull request #73919 from RandomCatDude/volumefog-spotlight-fix 
Fix spotlight shadows in volumetric fog
 2023-03-02 11:23:24 +01:00
Bastiaan Olij
903aa0e385 Use MSAA 2D texture in multipass tonemapper 2023-03-01 18:59:59 +11:00
clayjohn
c69b14e96e Add warnings for unsupported features in mobile and gl_compatibility backends 2023-02-26 12:28:02 -08:00
RandomCatDude
59c31004f8 fix spotlight shadows in volumetric fog 2023-02-25 16:28:06 +05:00
Bastiaan Olij
4c2f33cfae Fixing issues with SSIL artifacts 2023-02-24 16:13:18 +11:00
clayjohn
316cf04059 Clean up OUTPUT_IS_SRGB redefinitions 2023-02-23 12:56:42 -08:00
Bastiaan Olij
467d735eb1 Fix issue with default textures requiring arrays when using multiview 2023-02-22 16:50:58 +11:00
Rémi Verschelde
1fc28fe31f
Merge pull request #73698 from clayjohn/SS-bias 
Increase SSAO and SSIL bias to account for variance in mipmap generation
 2023-02-21 21:16:07 +01:00
Rémi Verschelde
5e57205365
Merge pull request #73478 from NewDefectus/master 
Use the original canvas to calculate light positioning
 2023-02-21 21:14:51 +01:00
clayjohn
db9dfb7233 Increase SSAO and SSIL bias to account for variance in mipmap generation 2023-02-21 10:25:33 -08:00
Alon Ran
2d7db30f0d Use the original canvas to calculate light positioning 2023-02-21 11:57:16 +02:00
Yuri Rubinsky
94831c7209 Forbid passing multiview sampler to the custom function in shaders 2023-02-21 11:23:17 +03:00
clayjohn
c9c14410e9 Fix sampling bug when SSAO is using half size 2023-02-16 00:37:12 -08:00
clayjohn
f35ca4a9c7 Properly calculate lifetime_split for particles 2023-02-14 14:37:47 -08:00
Rémi Verschelde
1a206d0e22
Merge pull request #73263 from clayjohn/render_priority 
Notify mesh surface when render_priority changes
 2023-02-14 11:05:28 +01:00
clayjohn
d3b3419aff Notify mesh surface when render_priority changes 
This ensures that the mesh properly takes render_priority into account when changed
 2023-02-13 18:09:33 -08:00
Rémi Verschelde
0668e0f5a9
Merge pull request #69001 from dzil123/fix_rendering_checks 
Fix various missing rendering parameter checks
 2023-02-13 21:07:05 +01:00
Rémi Verschelde
e78b77481e
Merge pull request #73240 from myaaaaaaaaa/worker-h 
Move some `worker_thread_pool.h` includes out of header files
 2023-02-13 21:05:57 +01:00
myaaaaaaaaa
6f88392d02 Move some worker_thread_pool.h includes out of header files 2023-02-13 14:02:01 -05:00
Rémi Verschelde
3815903119
Merge pull request #72838 from BastiaanOlij/update_screen_space_render_buffers 
Add render buffer support to screen space effects
 2023-02-13 19:15:48 +01:00
Bastiaan Olij
694c8ec273 Add render buffer support to screen space effects 2023-02-10 10:27:59 +11:00
Markus Sauermann
826e54fa73 Some code simplifications 
1. `number_width` isn't used later
2. `return_type` is used only once
3. AudioServer::get_singleton()->get_channel_count() always returns a channel_count of 1 or larger
4. negative `aa->backward` conditional
5. `current_canvas` == `find_world_2d()->get_canvas()`
6. identical if `render_shadows`
 2023-02-07 14:30:16 +01:00
clayjohn
56450fb179 Implement cull_mask for decals and lights in mobile and compatibility backends 2023-02-06 12:12:47 -08:00
Yuri Sizov
2bd5302704
Merge pull request #72695 from clayjohn/CanvasGroup-shading 
Avoid shading CanvasGroup nodes twice
 2023-02-04 21:38:25 +03:00
clayjohn
dfbf439081 Avoid shading CanvasGroup nodes twice 2023-02-03 15:40:42 -08:00
Ricardo Buring
497f5576c1 Fix MultiMesh visible_instance_count being ignored after the first frame 
Co-authored-by: Clay John <claynjohn@gmail.com>
 2023-02-03 11:40:39 -08:00
Rémi Verschelde
ddca070bea
Merge pull request #72631 from rburing/custom_aabb_update_dependency 
Notify dependencies when setting custom mesh AABB
 2023-02-03 06:24:51 +01:00
Bastiaan Olij
093289364f Add layer slice support to render device and render buffers 2023-02-03 09:48:56 +11:00
Ricardo Buring
086b9e0c59 Notify dependencies when setting custom mesh AABB 
Fixes SoftBody3D culling issues.
 2023-02-02 23:31:27 +01:00
Rémi Verschelde
e52213e2fa
More codespell fixes, do more changes from previous ignore list 2023-02-01 12:11:36 +01:00
Rémi Verschelde
7990b76ad8
Merge pull request #63829 from clayjohn/VULKAN-disable-multiview 
Disable multiview shader versions when xr is disabled
 2023-02-01 07:58:32 +01:00
Rémi Verschelde
ab4d8df163
Merge pull request #72485 from BastiaanOlij/add_eye_matrix_access 
Expose EYE_OFFSET to gdshader code
 2023-02-01 07:33:18 +01:00
Rémi Verschelde
0ba7e5a40a
Merge pull request #72464 from clayjohn/RD-skeleton-crash 
Check if Skeleton exists before reading when calculating blend shapes
 2023-02-01 07:31:42 +01:00
Rémi Verschelde
3eb1ac9fd2
Merge pull request #72075 from Maran23/extents-to-size 
Replace Extents with Size in VoxelGI, ReflectionProbe, FogVolume, Decal  and GPUParticles*3D
 2023-02-01 07:30:09 +01:00
Bastiaan Olij
8c77aea9ab Expose EYE_OFFSET to gdshader code 2023-02-01 12:39:13 +11:00
Marius Hanl
a59819630d Replace Extents with Size in VoxelGI, ReflectionProbe, FogVolume, Decal and GPUParticles*3D 
- Extents are replaced by Size (Size is Extents * 2)
- The UI text displays 'Size'
- Snapping is adjusted to work with Size
- _set and _get handle extents for compatibility

Co-authored-by: ator-dev <dominic.codedeveloper@gmail.com>
 2023-01-31 20:04:11 +01:00
clayjohn
cdc6c00b5f Check if Skeleton exists before reading when calculating blend shapes 2023-01-31 10:10:31 -08:00
Rémi Verschelde
97de7f39e1
Merge pull request #72404 from clayjohn/RD-sky-crash 
Fix various crashes relating to low roughness_layers
 2023-01-31 10:54:41 +01:00
Rémi Verschelde
c24e0065b2
Merge pull request #72433 from clayjohn/Pointlight2D-crash 
Avoid crash when CanvasTexture used with light decal atlas
 2023-01-31 10:54:02 +01:00
clayjohn
cfd5fe0f29 Avoid crash when CanvasTexture used with light decal atlas 
The decal atlas is used for Light2Ds, decals, and Light3Ds
 2023-01-30 20:59:53 -08:00
clayjohn
bc64a734d3 Fix various crashes relating to low roughness_layers 2023-01-30 12:16:33 -08:00
Rémi Verschelde
e9de988020
Merge pull request #72031 from reduz/change-high-quality-texture-import 
Refactor high quality texture import
 2023-01-30 20:41:01 +01:00
Rémi Verschelde
e86953cb53
Merge pull request #72356 from BastiaanOlij/fix_ssao_ssil_probes 
Fix SSAO/SSIl being applied to reflection probes
 2023-01-30 20:26:43 +01:00
Juan Linietsky
28f51ba547 Refactor high quality texture import 
* Only two texture import modes for low/high quality now:
  * S3TC/BPTC
  * ETC2/ASTC
* Makes sense given this is the general preferred and most compatible combination in most platforms.
* Removed lossy_quality from VRAM texture compression options. It was unused everywhere.
* Added a new "high_quality" option to texture import. When enabled, it uses BPTC/ASTC (BC7/ASTC4x4) instead of S3TC/ETC2 (DXT1-5/ETC2,ETCA).
* Changed MacOS export settings so required texture formats depend on the architecture selected.

This solves the following problems:

* Makes it simpler to import textures as high quality, without having to worry about the specific format used.
* As the editor can now run on platforms such as web, Mac OS with Apple Silicion and Android, it should no longer be assumed that S3TC/BPTC is available by default for it.
 2023-01-30 15:53:23 +01:00
Bastiaan Olij
43a63db7cf Fix SSAO/SSIl being applied to reflection probes 2023-01-30 15:20:27 +11:00
clayjohn
eb9c2b878a Automatically transform Skeleton2D calculations so pivots are not needed 2023-01-27 14:55:22 -08:00
Rémi Verschelde
6f7793ce1a
Merge pull request #71581 from clayjohn/dependency-changed 
Flag dirty dependencies when GeometryInstance dependencies change in renderer
 2023-01-26 22:57:32 +01:00
Rémi Verschelde
bc73e32014
Merge pull request #72068 from clayjohn/RD-sky-texture 
Validate another case of using DATA_FORMAT_A2B10G10R10_UNORM_PACK32 texture with storage flag
 2023-01-26 01:12:12 +01:00
Rémi Verschelde
31496c296a
Merge pull request #72078 from bitsawer/fix_optimize_vertices 
Fix range loop iteration regressions
 2023-01-26 01:11:25 +01:00
Rémi Verschelde
4b0363312e
Merge pull request #71455 from BastiaanOlij/fix_stereo_screen_depth 
Make screen texture and depth texture work in Multiview
 2023-01-26 01:11:02 +01:00
bitsawer
8c25bcdb84 Fix range loop iteration regressions 2023-01-26 00:14:39 +02:00
clayjohn
5f94b378ab Validate another case of using DATA_FORMAT_A2B10G10R10_UNORM_PACK32 texture with storage flag 2023-01-25 11:31:53 -08:00
Henrique Coura
28d8cad02e RenderForwardMobile - add dependency tracker info on geometry create 2023-01-25 15:25:49 -03:00
Bastiaan Olij
85c478e170 Make screen texture and depth texture work in Multiview 2023-01-25 13:35:01 +11:00
Rémi Verschelde
a6042b649a
Merge pull request #71832 from Geometror/fix-spotlight-artifacts 
Fix some `SpotLight3D` issues (clustering artifacts, leaking light, AABB)
 2023-01-24 09:15:26 +01:00
Hendrik Brucker
4bd01a93dc Fix some SpotLight3D issues (clustering artifacts, light leak) 2023-01-24 01:08:32 +01:00
Rémi Verschelde
600fcf22ed
Merge pull request #71939 from clayjohn/RD-texture-format 
Add a few more checks to ensure that unsupported image formats are not used in the mobile renderer
 2023-01-23 22:30:19 +01:00
Rémi Verschelde
260daf8a13
Merge pull request #71694 from clayjohn/VoxelGI-reflection 
Use proper space for forward GI reflections
 2023-01-23 22:29:54 +01:00
clayjohn
5931d504c1 Add a few more checks to ensure that unsupported image formats are not used in the mobile renderer 2023-01-23 12:38:09 -08:00
Rémi Verschelde
c309de5399
Merge pull request #71910 from jainl28patel/fix_ReflectionProbe_rendering 
fix ReflectionProbe rendering extents for (10,10,10)
 2023-01-23 20:46:22 +01:00
jainl28patel
2da3acf620 fix ReflectionProbe rendering extents for (10,10,10) 2023-01-24 00:32:24 +05:30
clayjohn
ce8a2c6dbf Ensure that Particles have fully initialized before doing view axis pass in RD renderers 2023-01-23 09:37:18 -08:00
Rémi Verschelde
5b1df48c6c
Convert en_GB spelling to en_US with codespell 2023-01-23 11:02:20 +01:00
Rémi Verschelde
d40501faee
Merge pull request #71690 from Calinou/forward-mobile-fix-directionallight3d-shadow-opacity 
Fix DirectionalLight3D shadow opacity on Forward Mobile rendering backend
 2023-01-23 10:24:09 +01:00
Hugo Locurcio
d84c9523f7
Fix DirectionalLight3D shadow opacity on Forward Mobile rendering backend 2023-01-22 22:25:15 +01:00
kobewi
615c517034 Use range iterators in LocalVector loops 2023-01-21 18:44:42 +01:00
Rémi Verschelde
23d8d44535
Merge pull request #71776 from clayjohn/PointLight2D-indices 
Stop incrementing light_count once max number of lights are reached in 2D canvas renderer
 2023-01-21 10:28:50 +01:00
clayjohn
d3c3fa32af Stop incrementing light_count once max number of lights are reached in 2D canvas renderer 2023-01-20 17:04:00 -08:00
clayjohn
49bebf2bfb Sort decals and lights based on camera origin 
Also implement sort_offset for decals

Co-authored-by: Hugo Locurcio <hugo.locurcio@hugo.pro>
 2023-01-20 09:58:17 -08:00
clayjohn
2ccc69cd7d Use proper space for forward GI reflections 2023-01-19 12:58:59 -08:00
clayjohn
faea9f5c10 Remove SCREEN_TEXTURE, DEPTH_TEXTURE, and NORMAL_ROUGHNESS_TEXTURE 
in favour of texture hints
 2023-01-18 19:52:47 -08:00
clayjohn
c4a8284dec Flag dirty dependencies when GeometryInstance dependencies change in renderer 
Normally dependencies are only set dirty when changed during culling, but that misses changes that happen in the renderer (like a new shader being set in a material)
 2023-01-17 12:39:13 -08:00
Rémi Verschelde
59dcf64dd6
Merge pull request #71382 from jainl28patel/sprite2d_flip_normal_map 
fix normal map not flipping in sprite2D
 2023-01-17 10:56:44 +01:00
Rémi Verschelde
e1e30f9fc7
Merge pull request #71520 from conradhappeliv/fix-71480 
Fix GPUParticles2D not recomputing transforms each frame
 2023-01-17 10:14:32 +01:00
Conrad H. Appel, IV
ad6dd38795 Fix GPUParticles2D not recomputing transforms each frame 2023-01-16 14:10:58 -08:00
clayjohn
8b3db6e9ce Properly initialize directional_light_count in RD sky shaders 2023-01-16 13:05:52 -08:00
Rémi Verschelde
ac104a69b8
Merge pull request #71309 from BastiaanOlij/improve_renderscaling_options 
Improving communication of scaling settings to renderer implementation
 2023-01-14 14:45:02 +01:00
jainl28patel
390f83bf5a fix normal map not flipping in sprite2D 2023-01-14 11:51:56 +05:30
Yuri Rubinsky
01cddbb12a Clear material arrays to prevent freeing of invalid texture RID 2023-01-13 23:25:09 +03:00
Bastiaan Olij
478c37deb8 Improving communication of scaling settings to renderer implementation 2023-01-13 12:54:15 +11:00
clayjohn
131036a5ef Only setup depth framebuffer properties when not rendering ReflectionProbes 2023-01-12 16:19:12 -08:00
Rémi Verschelde
1f171ff18b
Merge pull request #71261 from clayjohn/RD-alpha-aa 
Take alpha antialising options into account when setting up materials
 2023-01-12 08:19:16 +01:00
clayjohn
0ae567b00a Take alpha antialising options into account when setting up materials 
This restores the functionality of the alpha antialising options
 2023-01-11 21:29:36 -08:00
Rémi Verschelde
0abd60b953
Merge pull request #71130 from clayjohn/RD-normal-roughness 
Fix multiple issues that make the normal roughness texture unusable
 2023-01-12 01:01:24 +01:00
Rémi Verschelde
201673ecd8
Merge pull request #71124 from clayjohn/forward-prepass 
Only disable depth writing in opaque pipelines
 2023-01-12 00:55:10 +01:00
Rémi Verschelde
8cb63cdd55
Merge pull request #70475 from BastiaanOlij/cleanup_luminance 
Move luminance effect into its own class and use new buffers system
 2023-01-11 01:10:37 +01:00
clayjohn
89766848de Fix multiple issues that make the normal roughness texture unusable 2023-01-09 11:56:36 -08:00
clayjohn
e5abca4990 Only disable depth writing in opaque pipelines 
This restores the behaviour of the visibility fade
 2023-01-09 09:45:43 -08:00
Pedro J. Estébanez
5ca2ba45f1 Make inclusion of Godot version in shader hash universal 2023-01-09 17:47:02 +01:00
Bastiaan Olij
9b549231e4 Move luminance effect into its own class and use new buffers system 2023-01-07 14:40:42 +11:00
Rémi Verschelde
d95794ec8a
One Copyright Update to rule them all 
As many open source projects have started doing it, we're removing the
current year from the copyright notice, so that we don't need to bump
it every year.

It seems like only the first year of publication is technically
relevant for copyright notices, and even that seems to be something
that many companies stopped listing altogether (in a version controlled
codebase, the commits are a much better source of date of publication
than a hardcoded copyright statement).

We also now list Godot Engine contributors first as we're collectively
the current maintainers of the project, and we clarify that the
"exclusive" copyright of the co-founders covers the timespan before
opensourcing (their further contributions are included as part of Godot
Engine contributors).

Also fixed "cf." Frenchism - it's meant as "refer to / see".
 2023-01-05 13:25:55 +01:00
clayjohn
aaa9d626f3 Use proper indices for lights, decals, and reflection probes in mobile scene shader 2023-01-04 14:03:48 -08:00
clayjohn
062fb8b0dc Ignore depth draw optimization when using depth draw alpha prepass 
This is necessary as the scene shader still uses alpha in this case so we can't discard fragments that weren't written to the depth buffer
 2023-01-03 12:33:07 -08:00
Bastiaan Olij
8bf16b0ce5 Fix errors related to reflection probe now using a render buffers object 2022-12-26 22:23:22 +11:00
Rémi Verschelde
f064898956
Merge pull request #70253 from BastiaanOlij/cleanup_sky_render 
Cleanup and improve sky render
 2022-12-23 23:44:02 +01:00
Rémi Verschelde
d8a0382e3f
Merge pull request #70476 from BastiaanOlij/move_sdfgi_init 
Move SDFGI update logic into clustered renderer
 2022-12-23 23:43:56 +01:00
Rémi Verschelde
2e07477751
Merge pull request #70214 from Ansraer/speed-maybe 
[4.x] Use depth prepass to increase opaque render performance
 2022-12-23 23:43:50 +01:00
Ansraer
d44a91c2f7 use depth prepass to increase performance 2022-12-23 17:15:46 +01:00
Bastiaan Olij
65ca9e6924 Move SDFGI update logic into clustered renderer 2022-12-24 00:00:11 +11:00
Rémi Verschelde
1cab6c91e9
Merge pull request #69998 from BastiaanOlij/sorting-pivot-4 
Added options for sorting transparent objects (port of PR #63040)
 2022-12-23 09:47:24 +01:00
Bastiaan Olij
e886a7af81 Cleanup and improve sky render 2022-12-23 19:45:19 +11:00
Bastiaan Olij
6f4f38db07 Added options for sorting transparent objects (port of PR 63040) 2022-12-23 19:30:33 +11:00
Rémi Verschelde
56b828eb82
Merge pull request #70457 from clayjohn/RD-particles-update 
Avoid updating particles during 2D rendering
 2022-12-23 09:11:58 +01:00
clayjohn
41021b07be Avoid updating particles during 2D rendering 
In 2D the particle uniform set isn't obtained until the render pass. So in 2D just avoid rendering if not updated yet.
 2022-12-22 12:04:34 -07:00
clayjohn
4d301ee21e Check for disabled particle trail particle before initializing particle trail 2022-12-22 11:30:59 -07:00
Rémi Verschelde
291add339f
Merge pull request #70422 from clayjohn/RD-trails 
Disable particle trails particles when parent parent is not active.
 2022-12-21 23:38:04 +01:00
clayjohn
eb10c71d6c Disable particle trails particles when parent parent is not active. 2022-12-21 15:19:57 -07:00
Rémi Verschelde
29464cb9dc
Merge pull request #70418 from clayjohn/RD-particles 
Ensure that particles are processed at least once before being used
 2022-12-21 22:46:30 +01:00
clayjohn
886cae515c Ensure that particles are processed at least once before being used 2022-12-21 14:06:05 -07:00
Quentin Guidée
d9c05f7fbd
Fix double get_singleton() 
Signed-off-by: Quentin Guidée <quentin.guidee@gmail.com>
 2022-12-20 14:26:15 -05:00
Rémi Verschelde
f318d60e06
Merge pull request #65376 from reduz/astc-support 
Implement basic ASTC support
 2022-12-20 12:44:30 +01:00
Juan Linietsky
71d21c7ccb Implement basic ASTC support 
Implements basic ASTC support:
* Only 4x4 and 8x8 block sizes.
* Other block sizes are too complex to handle for Godot image compression handling. May be implemented sometime in the future.

The need for ASTC is mostly for the following use cases:
* Implement a high quality compression option for textures on mobile and M1 Apple hardware.
* For this, the 4x4 is sufficient, since it uses the same size as BPTC.

ASTC supports a lot of block sizes, but the benefit of supporting most of them is slim, while the implementation complexity in Godot is very high.
Supporting only 4x4 (and 8x8) solves the real problem, which is lack of a BPTC alternative on hardware where it's missing.

Note: This does not yet support encoding on import, an ASTC encoder will need to be added.
 2022-12-20 11:26:30 +01:00
Rémi Verschelde
1dad415131
Merge pull request #70300 from RandomShaper/depth_format 
Ensure depth buffer format picked actually supports full intended usage
 2022-12-19 17:11:24 +01:00
Pedro J. Estébanez
d8283550e6 Ensure depth buffer format picked actually supports full intended usage 2022-12-19 16:23:33 +01:00
Rémi Verschelde
2b056115ef
Merge pull request #70091 from clayjohn/bone-aabbs 
Remove mesh bone_aabbs as they are not used anywhere and calculating them is a pain
 2022-12-17 12:32:32 +01:00
Rémi Verschelde
676f60b0cc
Merge pull request #70132 from clayjohn/RT-update 
Implement render_target_was_used API so that Viewports can properly check if they have been used.
 2022-12-17 12:26:51 +01:00
Rémi Verschelde
376290ea86
Merge pull request #70163 from clayjohn/particles-sdf 
Transform sdf xfrom by particle emission transform when particles are in global space
 2022-12-17 12:24:51 +01:00
Rémi Verschelde
740e5a6404
Merge pull request #70172 from clayjohn/RD-boot-filter 
Enable using filtering on boot image in RD renderer
 2022-12-17 12:24:24 +01:00
Rémi Verschelde
3b6d697676
Merge pull request #70133 from lyuma/negative_scale_backface 
Flip culling when rendering a camera with negative scale
 2022-12-17 12:22:18 +01:00
Rémi Verschelde
2b2c372dbc
Merge pull request #70122 from clayjohn/VRS-r8uint 
Don't attempt to create or use an R8_UINT texture as storage if VRS is not supported
 2022-12-17 12:22:03 +01:00
Rémi Verschelde
13593d8644
Merge pull request #70087 from clayjohn/mesh-aabb 
Cache mesh AABB when modified by skeleton and update instance AABB when skeleton changes
 2022-12-17 12:21:01 +01:00
clayjohn
669a87bd89 Enable using filtering on boot image in RD renderer 2022-12-16 13:42:03 -08:00
clayjohn
99a159cd9b Transform sdf xfrom by particle emission transform when particles are in global space 2022-12-16 11:55:11 -08:00
clayjohn
5e90b90a97 Don't attempt to create or use an R8_UINT texture as storage if VRS is not supported 2022-12-16 09:53:12 -08:00
clayjohn
1b330820bf Implement render_target_was_used API so that Viewports can properly check if they have been used. 
For the RD renderer, this does not work for Viewports used in scene shaders yet
 2022-12-16 09:50:45 -08:00
Lyuma
80dea918c4 Flip culling when rendering a camera with negative scale 2022-12-15 16:12:10 -08:00
Yuri Rubinsky
5c83e95103
Merge pull request #70016 from Chaosus/refactor_rd_shader_data 
fixed https://github.com/godotengine/godot/issues/69949
 2022-12-15 20:28:26 +03:00
Rémi Verschelde
762c6d4b36
Merge pull request #69709 from RandomShaper/refactor_spirv_reflection 
Refactor SPIR-V reflection into a generic RenderingDevice feature
 2022-12-15 09:21:35 +01:00
Rémi Verschelde
a194984e96
Merge pull request #70068 from clayjohn/mobile-lights 
Initialize light index push constants to 0xFFFFFFFF instead of 0xFFFF
 2022-12-15 09:20:44 +01:00
Rémi Verschelde
e1bcadd12d
Merge pull request #56804 from Calinou/ssr-add-max-roughness-cutoff 
Add maximum roughness cutoff to SSR to improve performance
 2022-12-15 09:20:29 +01:00
Yuri Rubinsky
56954485ed Refactor ShaderData & fix the sorting of shader uniforms 2022-12-15 10:02:59 +03:00
clayjohn
ef246d9156 Remove mesh bone_aabbs as they are not used anywhere and calculating them is a pain 2022-12-14 19:32:19 -08:00
clayjohn
b7088bbf52 Cache mesh AABB when modified by skeleton and update instance AABB when 
skeleton changes
 2022-12-14 18:07:07 -08:00
clayjohn
7b0dd7a3e6 Initialize light index push constants to 0xFFFFFFFF instead of 0xFFFF 2022-12-14 15:20:54 -08:00
Rémi Verschelde
465d4c1d95
Merge pull request #70009 from clayjohn/glow-hq 
Remove high quality glow as it is not any higher quality than regular glow
 2022-12-13 23:32:15 +01:00
Rémi Verschelde
fc517e6c89
Merge pull request #70003 from clayjohn/GLES3-cc 
Various fixes and documentation for CanvasGroup
 2022-12-13 23:31:43 +01:00
clayjohn
bdd4001ef0 Various fixes and documentation for CanvasGroup 
Properly apply custom materials with CanvasGroups in the GLES3 backend

Properly blur backbuffer when using a partial rect in forward_plus and
gl_compatibility renderers

Properly set fit_margin when clear_margin is set

Fix shader error during backbuffer clear in mobile renderer
 2022-12-13 10:22:18 -08:00
clayjohn
5b5cd2b98b Remove high quality glow as it is not any higher quality than regular glow 2022-12-13 10:15:45 -08:00
Rémi Verschelde
83281e7a42
Merge pull request #69985 from clayjohn/mobile-rim 
Ensure that rim lighting uses an exponent base greater than zero
 2022-12-13 10:12:00 +01:00
clayjohn
a062798b76 Ensure that rim lighting uses a exponent base greater than zero 
This avoids the undefined behavior that happens if the base is zero and the exponent is zero
 2022-12-12 13:41:28 -08:00