Commit Graph

945 Commits

Author SHA1 Message Date
lawnjelly c835f1f3c5 Add DEV_ASSERT and DEV_CHECK macros
Change the existing DEV_ASSERT function to be switched on and off by the DEV_ENABLED define. DEV_ASSERT breaks into the debugger as soon as hit.
Add error macros DEV_CHECK and DEV_CHECK_ONCE to add an alternative check that ERR_PRINT when a condition fails, again only enabled in DEV_ENABLED builds.
2021-10-04 14:57:54 +01:00
Rémi Verschelde 6bdd84b8d5
Fix -Wextra warnings from GCC 11 2021-09-29 15:23:12 +02:00
Rémi Verschelde b37776fa2f
Merge pull request #52591 from timothyqiu/error-macros
[3.x] Remove do{ } while(0) wrapper around error macros
2021-09-21 10:38:34 +02:00
Rémi Verschelde 1ceba6e1b0
Merge pull request #52585 from Calinou/screen-texture-improve-no-sampling-error 2021-09-20 16:25:16 +02:00
Rémi Verschelde 600f2a8d5d
Merge pull request #51927 from 20kdc/issue-51897-sp1
Fix issue #51897 (horizon occlusion causing black blob), fix ver. SP1
2021-09-13 11:44:55 +02:00
Haoyu Qiu 70853fd669 Remove do{ } while(0) wrapper around error macros 2021-09-12 15:04:53 +08:00
Hugo Locurcio 1c63e335b3
Improve the error message about `SCREEN_TEXTURE` being unavailable
This also tweaks the Viewport `usage` property hint to match the
project setting used for the root viewport.
2021-09-11 23:17:07 +02:00
Bastiaan Olij 73722f3c65 Convert output of GLES2 to linear color space if keep_3d_linear is enabled 2021-08-23 15:59:56 +10:00
20kdc 324c487c63 Fix issue #51897 (horizon occlusion causing black blob), fix ver. SP1
No, not service pack 1. Removes comments from the original fix commit.
2021-08-20 19:04:27 +01:00
Rémi Verschelde 1de8f31448
CI: Upgrade Emscripten to 2.0.25
That's the version used by current containers for Godot 3.4.

Fixes a couple stray warnings that new Emscripten/LLVM catches.
2021-08-18 11:13:34 +02:00
Rémi Verschelde 92a7ae022d
Merge pull request #51769 from The-O-King/oct_split_stream_fix
Fix Octahedral/Split Stream Options
2021-08-18 08:01:56 +02:00
Omar El Sheikh a63028e172 Fix Octahedral/Split Stream Options
Update mesh_surface_get_format_stride and
mesh_surface_make_offsets_from_format to return an array of offsets and
an array of strides in order to support vertex stream splitting

Update _get_array_from_surface to also support vertex stream splitting

Add a condition on split stream usage to ensure it does not get used on
dynamic meshes

Handle case when Tangent is compressed but Normal is not compressed

Make stream splitting option require a restart in the settings

Update SoftBody and Sprite3D to support and use strides and offsets
returned by updated visual_server functions

Update Sprite3D to use the dynamic mesh flag
2021-08-17 16:11:47 -04:00
clayjohn 8ac85e6a9e Normalize the results of octahedral decompression 2021-08-16 22:17:38 -07:00
paru ab21a3b8fb Performance improvements for GLES2 CPU blendshapes 2021-08-16 08:22:45 +02:00
Yuri Roubinsky 8a1c986455 [3.x] Fix shader crash when using local var with the same name as varying 2021-08-13 09:30:35 +03:00
Rémi Verschelde 9e3e7b03e4
Merge pull request #51376 from The-O-King/vertex_buffer_alignment
Align Vertex Buffer to 4 Bytes
2021-08-12 07:13:45 +02:00
Hugo Locurcio 0e0af7fa83
Add high quality glow mode
This backports the high quality glow mode from the `master` branch.

Previously, during downsample, every second row was ignored.
Now, when high-quality is used, we sample two rows at once to ensure
that no pixel is missed. It is slower, but looks much better and has
a much high stability while moving.

High quality also takes an additional horizontal sample the width of the
horizontal blur matches the height of the vertical blur.
2021-08-11 17:00:41 +02:00
Rémi Verschelde 7c6bdea33c
Merge pull request #47416 from Calinou/add-contrast-adaptive-sharpening-3.x
Add support for contrast-adaptive sharpening in 3D (GLES3 only)
2021-08-10 10:08:24 +02:00
Rémi Verschelde dad5d09d1b
Merge pull request #51416 from clayjohn/GLES-horizon-occlusion
[3.x] Add horizon specular occlusion
2021-08-10 09:55:46 +02:00
Rémi Verschelde 6518a61bd4
Merge pull request #51410 from clayjohn/GLES-blinn-phong 2021-08-10 09:52:28 +02:00
clayjohn f92a600d5c Make blinn and phong specular use full pbr 2021-08-09 20:45:14 -07:00
clayjohn 1065f8dc86 Add horizon specular occlusion 2021-08-08 19:29:02 -07:00
Yuri Roubinsky 0f817e127d [3.x] Fix a default shader specular render mode to (SCHLICK_GGX) 2021-08-08 19:26:00 +03:00
Omar El Sheikh f0de7ec2b6 Align Vertex Buffer to 4 Bytes
With the octahedral compression, we had attributes of a size of 2 bytes
which potentially caused performance regressions on iOS/Mac

Now add padding to the normal/tangent buffer

For octahedral, normal will always be oct32 encoded
UNLESS tangent exists and is also compressed
then both will be oct16 encoded and packed into a vec4<GL_BYTE>
attribute
2021-08-07 15:42:03 -04:00
Bastiaan Olij cc1f7f2edc Revert "Combined the DOF far and DOF near passes"
This reverts commit 39658b4e07.
2021-08-05 23:22:31 +10:00
Omar El Sheikh d274284069 Octahedral Normal/Tangent Compression
Implement Octahedral Compression for normal/tangent vectors
*Oct32 for uncompressed vectors
*Oct16 for compressed vectors

Reduces vertex size for each attribute by
*Uncompressed: 12 bytes, vec4<float32> -> vec2<unorm16>
*Compressed: 2 bytes, vec4<unorm8> -> vec2<unorm8>

Binormal sign is encoded in the y coordinate of the encoded tangent

Added conversion functions to go from octahedral mapping to cartesian
for normal and tangent vectors

sprite_3d and soft_body meshes write to their vertex buffer memory
directly and need to convert their normals and tangents to the new oct
format before writing

Created a new mesh flag to specify whether a mesh is using octahedral
compression or not
Updated documentation to discuss new flag/defaults

Created shader flags to specify whether octahedral or cartesian vectors
are being used

Updated importers to use octahedral representation as the default format
for importing meshes

Updated ShaderGLES2 to support 64 bit version codes as we hit the limit
of the 32-bit integer that was previously used as a bitset to store
enabled/disabled flags
2021-07-30 10:29:09 -04:00
Bastiaan Olij 39658b4e07 Combined the DOF far and DOF near passes 2021-07-22 13:45:57 +10:00
Rémi Verschelde f131a77f46
Merge pull request #46574 from The-O-King/split_stream_3.2
[3.4] Split Vertex Buffer Stream in Positions and Attributes
2021-07-20 10:48:37 +02:00
Omar El Sheikh 7f8487a900 Split Vertex Position and Attribute Streams
Implemented splitting of vertex positions and attributes in the vertex
buffer

Positions are sequential at the start of the buffer, followed by the
additional attributes which are interleaved

Made a project setting which enables/disabled the buffer formatting
throughout the project

Implemented in both GLES2 and GLES3

This improves performance particularly on tile-based GPUs as well as
cache performance for something like shadow mapping which only needs
position data

Updated Docs and Project Setting
2021-07-19 13:23:46 -07:00
Hugo Locurcio 43d7b62cb0
Improve the shader error console output
This makes the line gutter look more like an actual line gutter,
which makes it less confusing.
2021-07-17 03:00:46 +02:00
Rémi Verschelde aa3a5c9f6a
Merge pull request #50184 from JFonS/cpu_lightmapper_soft_shadows
[3.x] Add soft shadows to the CPU lightmapper
2021-07-14 12:18:08 +02:00
Bastiaan Olij 34d9b6140b Add precision to view_index 2021-07-08 10:47:07 +10:00
JFonS a2ba7910ba Add soft shadows to the CPU lightmapper
Adds the "light_size" property to Lights. It's only considered in baked
lightmaps for soft shadowing purposes.
2021-07-05 19:02:35 +02:00
Hugo Locurcio a28a4ef98a
Decrease opacity of the overdraw debug draw mode
This allows distinguishing higher amounts of overlapping objects.
2021-07-04 00:23:06 +02:00
Marcel Admiraal 8788472b8c Clear glErrors instead of crashing when initializing GLES3 2021-06-21 17:53:24 +01:00
Hugo Locurcio a9c0c5484f
Add support for contrast-adaptive sharpening in 3D (GLES3 only)
This is an older, easier to implement variant of CAS as a pure
fragment shader. It doesn't support upscaling, but we won't make
use of it (at least for now).

The sharpening intensity can be adjusted on a per-Viewport basis.
For the root viewport, it can be adjusted in the Project Settings.

Since `textureLodOffset()` isn't available in GLES2, there is no
way to support contrast-adaptive sharpening in GLES2.
2021-06-21 15:37:31 +02:00
Marcel Admiraal 7e03bd1671 Remove duplicate WARN_PRINTS macro 2021-06-18 12:57:59 +01:00
Marcel Admiraal 5a58516231 Remove duplicate ERR_PRINTS macro 2021-06-16 11:56:25 +01:00
Lyuma fba6b62054 Backport dd0874e "Allow passing varying from fragment to light shader function" to 3.4 2021-05-14 11:28:48 -07:00
Lyuma 25016bf715 Backport 6b99bda "Added support for arrays as shader struct members" to 3.4 2021-05-14 11:28:48 -07:00
Lyuma fc6bee0750 Backport 6f16239 "Implementation of struct for shaders" to 3.4 2021-05-14 11:28:48 -07:00
paru eed4655644 Fixed usage of proxy textures on GLES2 sky 2021-05-07 18:33:35 +02:00
paru 8b0d3657e5 Added CPU blendshapes for GLES2 2021-05-06 20:52:34 +02:00
Rémi Verschelde 140350d767
Style: Enforce braces around if blocks and loops
Using clang-tidy's `readability-braces-around-statements`.
https://clang.llvm.org/extra/clang-tidy/checks/readability-braces-around-statements.html
2021-05-05 15:02:01 +02:00
Bastiaan Olij 8f8c9c2f57 Add VIEW_INDEX variable in shader so we know which eye/view we're rendering for 2021-05-05 16:22:03 +10:00
Rémi Verschelde a828398655
Style: Replaces uses of 0/NULL by nullptr (C++11)
Using clang-tidy's `modernize-use-nullptr`.
https://clang.llvm.org/extra/clang-tidy/checks/modernize-use-nullptr.html
2021-05-04 16:30:23 +02:00
Rémi Verschelde b5e1e05ef2
Style: clang-format: Disable KeepEmptyLinesAtTheStartOfBlocks 2021-05-04 14:45:16 +02:00
Rémi Verschelde 64a63e0861
Style: clang-format: Disable AllowShortCaseLabelsOnASingleLine 2021-05-04 14:45:15 +02:00
Rémi Verschelde 3d15f04668
Style: clang-format: Disable AllowShortIfStatementsOnASingleLine 2021-05-04 14:45:15 +02:00
Rémi Verschelde 6e600cb3f0
Style: Set clang-format Standard to c++14 2021-05-04 14:45:15 +02:00
lawnjelly f33e22001f Fix 2d software skinning relative transforms
All my earlier test cases for software skinning had the polys parent transform to be identity. This works fine until you had cases where the user had moved the transform of the parent nodes of skinned polys.

This PR fixes this situation by taking into account the final (concatenated) transform of the polys RELATIVE to the skeleton base transform. It does this by applying the inverse skeleton base transform to the poly final transform.
2021-05-03 14:11:41 +01:00
Rémi Verschelde 70ae90e0e8
Core: Drop custom `copymem`/`zeromem` defines
We've been using standard C library functions `memcpy`/`memset` for these since
2016 with 67f65f6639.

There was still the possibility for third-party platform ports to override the
definitions with a custom header, but this doesn't seem useful anymore.

Backport of #48239.
2021-04-29 12:34:11 +02:00
Rémi Verschelde 6cb61b67e6
Merge pull request #41471 from Calinou/giprobe-deprecate-compress-3.2 2021-04-28 12:01:55 +02:00
clayjohn 0546c8760a Add setting for shadow cubemap max size 2021-04-20 23:17:45 -07:00
lawnjelly 6c2cc01f73 Batching - Don't join items with invalid shaders
When users create an invalid shader, the shader->valid flag is set to false. Batching previously assumes that shaders are valid, and this can result in primitives with invalid shader being joined, causing visual errors.

This PR prevents joining items that have invalid shaders.
2021-04-18 08:31:59 +01:00
Rémi Verschelde 4a942afb9b
Merge pull request #47864 from lawnjelly/orphan_options
Add buffer orphan / stream options
2021-04-14 13:21:12 +02:00
lawnjelly 2ffdfdfd1a Add buffer orphan / stream options
Allows users to override default API usage, in order to get best performance on different platforms.

Also changes the default legacy flags to use STREAM rather than DYNAMIC.
2021-04-14 12:08:32 +01:00
Rémi Verschelde 81f8b404f2
Merge pull request #47540 from volzhs/ensure-normal-gles2
Make ensure_correct_normals working on GLES2
2021-04-14 10:20:08 +02:00
lawnjelly 40a267cf25 Batching - store parent items in default batches
In rare cases default batches could occur which were containing commands that were not owned by the first item referenced by the joined item. This had assumed to be the case, and would read the wrong command, or crash.

Instead for safety in this PR we now store a pointer to the parent item in default batches, and use this to determine the correct command list instead of assuming.
2021-04-12 16:55:59 +01:00
volzhs da4cec620e Make ensure_correct_normals working on GLES2 2021-04-01 16:33:35 +09:00
Rémi Verschelde acbd1e8b02
Merge pull request #46781 from BastiaanOlij/gdn_set_interface
Add set_interface for access by GDNative
2021-03-26 11:27:27 +01:00
Bastiaan Olij 717f3227ec ARVR GDNative enhancements:
- add set_interface function
- add access to depth buffer
- add supplying a depth buffer from an ARVR plugin
2021-03-25 22:37:47 +11:00
Rémi Verschelde a58523407f
Merge pull request #47102 from lawnjelly/large_fvf_revamp
Batching - separate single item from large fvf logic
2021-03-23 22:24:36 +01:00
Rémi Verschelde 1ed0280de7
Merge pull request #47160 from puchik/shadow-filter-resolution
[3.x] Take resolution into account when setting the max shadow cubemap size (omni light shadow jaggies fix)
2021-03-23 09:45:14 +01:00
Arman 8d156d9e5c Take resolution into account when setting the max shadow cubemap size
Co-authored-by: Clay John <clayjohn@gmail.com>
2021-03-22 23:11:38 -07:00
Rémi Verschelde c0b3ad2f7b
Merge pull request #45087 from hoontee/3.2
[3.2] Fix empty RIDs in VisualServer.texture_debug_usage()
2021-03-22 10:13:15 +01:00
lawnjelly 7f3a19789c Batching - separate single item from large fvf logic
Trying to use the old `hardware_transform` flag to combine the new large_fvf has lead to several bugs. So here the logic is broken out into 2 separate components, single item and large_fvf.

The old `hardware_transform` name also no longer makes sense, as there are now 3 transform paths:

Software (CPU)
Hardware (uniform)
Hardware (attribute)
2021-03-17 15:38:21 +00:00
Rémi Verschelde 3f246ebeed
Merge pull request #46932 from JFonS/fix_lm_capture_env
[3.2] Batch of lightmapper fixes and minor improvements
2021-03-12 12:30:36 +01:00
JFonS e2c28675ef Batch of lightmapper fixes and minor improvements
- Fix objects with no material being considered as fully transparent by the lightmapper.
- Added "environment_min_light" property: gives artistic control over the shadow color.
- Fixed "Custom Color" environment mode, it was ignored before.
- Added "interior" property to BakedLightmapData: controls whether dynamic capture objects receive environment light or not.
- Automatically update dynamic capture objects when the capture data changes (also works for "energy" which used to require object movement to trigger the update).
- Added "use_in_baked_light" property to GridMap: controls whether the GridMap will be included in BakedLightmap bakes.
- Set "flush zero" and "denormal zero" mode for SSE2 instructions in the Embree raycaster. According to Embree docs it should give a performance improvement.
2021-03-12 12:00:53 +01:00
Rémi Verschelde 80d75b966c
Merge pull request #46904 from lawnjelly/ewok_diagnose_more
Batching - more frame diagnose information
2021-03-11 21:13:09 +01:00
lawnjelly 5ed0fd067d Batching - use FINAL_MODULATE_ALIAS in shaders
As part of the improvements to batch more cases, batching can store final_modulate as an attribute in the vertex format rather than sending as a uniform. This allows draw calls with different final_modulate to be batched together.

However custom shader code was reading from only the final_modulate uniform, and not the attribute when it was in use. This was leading to visual errors.

This is tricky to solve, because we cannot use the same name for the attribute in the vertex and fragment shaders, because one is an attribute and one a varying, whereas a uniform is accessible anywhere. To get around this, a macro is used which can translate to the most appropriate variable depending on whether uniform or attribute or varying is required.
2021-03-11 17:07:19 +00:00
lawnjelly d226cf83d1 Batching - more frame diagnose information
Added slightly more detail to diagnose_frame option. This is helpful for debugging issues.
2021-03-11 16:32:59 +00:00
Ev1lbl0w bae4b0c952
Fix negative VRAM values 2021-03-09 09:51:17 +00:00
JFonS f24f582ba5 Various light culling fixes
GLES3 changes:
This commit makes it possible to disable 3D directional lights by using
the light's cull mask. It also automatically disables directionals when
the object has baked lighting and the light is set to "bake all".

GLES2 changes:
Added a check for the light cull mask, since it was previously ignored.
2021-03-08 15:10:55 +01:00
lawnjelly c401960634 Batching - fix custom MODULATE shader applying modulate twice
One of the new fvf types (FVF_MODULATED) allows batching custom shaders that use modulate. The only slight oversight is that there is a special define when MODULATE is used in a custom shader, called MODULATE_USED, that is checked, and if set it does NOT apply final_modulate as part of canvas.glsl.

This MODULATE_USED define wasn't checked when the new FVF was used and modulate was passed in an attribute.

This PR moves the application of the final_modulate into the #ifndef MODULATE_USED section.
2021-03-04 20:28:57 +00:00
lawnjelly b1e24597e7 Renaming rendering/2d project settings.
The rendering/quality/2d section of project settings is becoming considerably expanded in 3.2.4, and arguably was not the correct place for settings that were not really to do with quality.

3.2.4 is the last sensible opportunity we will have to move these settings, as the only existing one likely to break compatibility in a small way is `pixel_snap`, and given that the whole snapping area is being overhauled we can draw attention to the fact it has changed in the release notes.

Class reference is also updated and slightly improved.

`pixel_snap` is renamed to `gpu_pixel_snap` in the project settings and code to help differentiate from CPU side transform snapping.
2021-03-01 11:38:46 +00:00
lawnjelly 3aaefb957b GLES2 fix for consistent light ordering with BVH
Due to multi pass approach to lighting in GLES2, in some situations the rendered result can look different if lights are presented in a different order.

The order (aside from directional lights) seems to be simply copied from the culling routine (octree or bvh) which is essentially arbitrary. While octree is usually consistent with order, bvh uses a trickle optimize which may result in lights occurring in different order from frame to frame.

This PR adds an extra layer of sorting on GLES2 lights in order to get some kind of order consistency.
2021-02-24 17:25:28 +00:00
Hugo Locurcio 83eec8f7db
Improve PCF13 shadow rendering in GLES2 by using a soft PCF filter
This suppresses the blocky shadow appearance, bringing the shadow rendering
much closer to GLES3. This soft filter is more demanding as it requires
more lookups, but it makes PCF13 shadows more usable.

The soft PCF filter was adapted from three.js.
2021-02-22 13:36:15 +01:00
hoontee bb36823589 Fix empty RIDs in VisualServer.texture_debug_usage() 2021-02-18 05:46:11 -06:00
lawnjelly 389dd6704e Batching - prevent joining of lightmasked items
It turns out lights masking misbehaves when items that are masked are joined. This PR simply disables joining in this case.
2021-02-18 09:57:02 +00:00
lawnjelly 565cfc888e Batching - fix a couple of minor valgrind bugs.
Valgrind reported two instances of reading uninitialized memory in the batching. They are both pretty benign (as evidenced by no bug reports) but wise to close these.

The first is that when changing batch from a default batch it reads the batch color which is not set (as it is not relevant for default batches). The segment of code is not necessary when it has already deemed a batch change necessary (which will occur from a default batch). In addition this means that the count of color changes will be more accurate, rather than having a possible random value in.

The second is that on initialization _set_texture_rect_mode is called before the state has been properly initialized (it is initialized at the beginning of each canvas_begin, but this occurs outside of that).
2021-02-16 18:29:34 +00:00
clayjohn 7efcafd057 Check limits on texture or framebuffer creation 2021-02-13 13:36:15 -08:00
Chris Serino 335498df6d [GLES2] Fix binding 3D Transforms to mat4 uniforms 2021-02-03 17:36:21 -06:00
Kef Schecter 09a156ea15 Add anisotropic filtering to GLES2 backend
Move definition of rendering/quality/filters/anisotropic_filter_level to
servers/visual_server.cpp, since both GLES2 and GLES3 now use it

rasterizer_storage_gles3.cpp: Remove a spurious variable write (the
value gets overwritten soon after)
2021-02-02 01:40:58 -06:00
WeaselShoppe 1912cc3eef lightmap capture broken on webgl1.0
lightmap capture uniform definition caused shader compile errors on WebGL1.0
2021-01-31 20:52:02 -06:00
WeaselShoppe 571430d5cd glRenderBufferStorage was being passed wrong args 2021-01-28 17:56:44 -06:00
JFonS b1ca82c43a CPU lightmapper fixes.
- Fix Embree runtime when using MinGW (patch by @RandomShaper).
- Fix baking of lightmaps on GridMaps.
- Fix some GLSL errors.
- Fix overflow in the number of shader variants (GLES2).
2021-01-15 12:32:54 +01:00
JFonS 112b416056 Implement new CPU lightmapper
Completely re-write the lightmap generation code:
- Follow the general lightmapper code structure from 4.0.
- Use proper path tracing to compute the global illumination.
- Use atlassing to merge all lightmaps into a single texture (done by @RandomShaper)
- Use OpenImageDenoiser to improve the generated lightmaps.
- Take into account alpha transparency in material textures.
- Allow baking environment lighting.
- Add bicubic lightmap filtering.

There is some minor compatibility breakage in some properties and methods
in BakedLightmap, but lightmaps generated in previous engine versions
should work fine out of the box.

The scene importer has been changed to generate `.unwrap_cache` files
next to the imported scene files. These files *SHOULD* be added to any
version control system as they guarantee there won't be differences when
re-importing the scene from other OSes or engine versions.

This work started as a Google Summer of Code project; Was later funded by IMVU for a good amount of progress;
Was then finished and polished by me on my free time.

Co-authored-by: Pedro J. Estébanez <pedrojrulez@gmail.com>
2021-01-14 18:05:56 +01:00
Rémi Verschelde 49646383f1
Update copyright statements to 2021
Happy new year to the wonderful Godot community!

2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.

We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)

Here's to a great year 2021 for all Godot users 🎆

(cherry picked from commit b5334d14f7)
2021-01-13 16:17:06 +01:00
Rémi Verschelde 188609e5ab
CI: Update to clang-format 11 and apply ternary operator changes
(cherry picked from commit af878716f2)
2021-01-13 16:14:35 +01:00
lawnjelly 15e57a0235 Remove buffer orphaning options project settings
These were only put in for the betas, in order to test hypotheses for stalling on Macs. It seems that most of the problems in the Mac editor have been solved by fixing the excessive redraw_requests.

As a result no one has reported any results from these options, but in future we will be able to refer users to try the beta versions, so there is no need to include them in the stable release. Indeed they are only likely to cause confusion.
2020-12-23 15:23:02 +00:00
Rémi Verschelde 8c63b65b67
Merge pull request #44489 from ForestKatsch/3.2
Fix PanoramaSky artifacts on Android/GLES2
2020-12-20 19:31:17 +01:00
Forest Katsch 8825aa8b5b Fixes #43667.
The root cause of the issue is that OpenGL ES 2 does not support the `textureCubeLod` function.
There are (optional) extensions to support this, but they don't appear to be exposed with the ES2 renderer (even though the hardware needed to support LOD features are certainly available.)
The existing shim in `drivers/gles2/shaders/cubemap_filter.glsl` just creates a macro:

```
 #define textureCubeLod(img, coord, lod) textureCube(img, coord)
```

But the third parameter of `textureCube` is actually a mip bias, not an absolute mip level.
(And it doesn't seem to work regardless.)
In this specific case, the `cubemap_filter` should only sample from the first level of the "source" panorama cubemap.
In lieu of a method to force a lod level of zero, I've chosen to comment out the switchover from a 2D equirectangular panorama to the cubemap version of the same image, therefore always sampling roughness values from the 2D equirectangular panorama.
This may cause additional artifacts or issues across the seam, but at least it prevents the glaringly obvious black areas.

---

This same issue (no fragment texture LOD support) has rather large repercussions elsewhere too; it means materials with larger cubemap density (i.e. planar or distant objects) will be far rougher than expected.
Since GLES 3 appears to properly support fragment `texture*Lod` functions, switching to the GLES 3 backend would solve this problem.

---

Root cause discovered with help from @KaadmY.
2020-12-20 10:32:30 -06:00
Theogen Ratkin 8f6a6ac8d0 Add interpolation parameter to resize_to_po2()
Image::resize_to_po2() now takes an optional p_interpolation parameter
that it passes directly to resize() with default value INTERPOLATE_BILINEAR.

GLES2: call resize_to_po2() with interpolate argument

Call resize_to_po2() in GLES2 rasterizer storage with either
INTERPOLATE_BILINEAR or INTERPOLATE_NEAREST depending on TEXTURE_FLAG_FILTER.

This avoids filtering issues with non power of two pixel art textures.
See #44379
2020-12-18 14:02:38 -04:00
lawnjelly e13040b373 Fix bug in normal map decompression
Not clamping the range here leads to dithering artifacts.
2020-12-11 10:34:53 +00:00
Marcus Brummer b02900478f Fixed the inverse(mat3) polyfill for GLES2 2020-12-07 22:19:45 +01:00
Firepal ec7a9ca018 Use correct normal for ReflectionProbe in GLES2 2020-11-26 13:08:30 +01:00
jfons 69939028b3 Fix regression in baked lights when using GLES2
Lights with bake mode set to "All" were behaving erratically because of a
faulty check in the renderer. This should be the correct way to check if
a geometry instance is using baked light.
2020-11-25 18:12:50 +01:00
lawnjelly 7c4cf1c043 Batching - BackBuffer copy fix
For fixing a previous issue state.canvas_texscreen_used was reset to false at the start of each render_joined_item. This was causing a later shader that used SCREEN_TEXTURE to force recapturing the back buffer immediately prior to use, which we don't want.

This PR preserves the state across joined items, and also prevents joining of items that copy the back buffer as this may be problematic.

It turns out that the original issue that needed the line is now fixed, and the later issue is also fixed by removing it.
2020-11-24 14:59:15 +00:00
lawnjelly 3c69377f10 2d Legacy - close vulnerabilities and more debug checks
While adding more debug checks to legacy renderer, I closed 2 types of vulnerabilities:

* TYPE_PRIMITIVE would previously read from uninitialized data if only specifying a single color
* Other legacy draw operations would fail in debug AFTER accessing out of bounds memory rather than before

Many calls to glBufferSubData are wrapped in a safe version which checks for out of bounds and exits the draw function if this is detected.
2020-11-22 16:09:02 +00:00