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2020-03-12EEVEE: Bump minimum probe level to make rough reflection more preciseClément Foucault
2020-03-11EEVEE: Fix test crashingClément Foucault
Probe counting now needs to have proper gl capabilities initialised to run correctly.
2020-03-11EEVEE: Replace octahedron reflection probe by cubemap arrayClément Foucault
We implement cubemap array support for EEVEE's lightcache reflection probes. This removes stretched texels and bottom hemisphere seams artifacts caused by the octahedral projection previously used. This introduce versioning code for the lightcache which will discard any lightcache version that is not compatible. Differential Revision: https://developer.blender.org/D7066
2020-03-11Eevee: internal support for arbitrary number of volume gridsBrecht Van Lommel
This has no user visible impact yet since smoke volumes only support a fixed set of attributes, but will become important with the new volume object. For GPU shader compilation, volume grids are now handled separately from image textures. They are somewhere between a vertex attribute and an image texture, basically an attribute that is stored as a texture. Differential Revision: https://developer.blender.org/D6952
2020-03-11Smoke: put density/color in separate textures, fixes for workbench shaderBrecht Van Lommel
This is more in line with standard grids and means we don't have to make many special exceptions in the upcoming change for arbitrary number of volume grids support in Eevee. The workbench shader was also changed to fix bugs where squared density was used, and the smoke color would affect the density so that black smoke would be invisible. This can change the look of smoke in workbench significantly. When using the color grid when smoke has a constant color, the color grid will no longer be premultiplied by the density. If the color is constant we want to be able not to store a grid at all. This breaks one test for Cycles and Eevee, but the setup in that test using a color without density does not make sense. It suffers from artifacts since the unpremultiplied color grid by itself will not have smooth boundaries. Differential Revision: https://developer.blender.org/D6951
2020-03-09Cleanup: Replace ABS/SQUARE/CUBE with function callsSergey Sharybin
While it might be handy to have type-less functionality which is similar to how C++ math is implemented it can not be easily achieved with just preprocessor in a way which does not have side-effects on wrong usage. There macros where often used on a non-trivial expression, and there was at least one usage where it was causing an actual side effect/bug on Windows (see change around square_f(sh[index++]) in studiolight.c). For such cases it is handy to have a function which is guaranteed to have zero side-effects. The motivation behind actually removing the macros is that there is already a way to do similar calculation. Also, not having such macros is a way to guarantee that its usage is not changed in a way which have side-effects and that it's not used as an inspiration for cases where it should not be used. Differential Revision: https://developer.blender.org/D7051
2020-03-06Cleanup: Rename ARegion variables from ar to regionJulian Eisel
The old convention was easy to confuse with ScrArea. Part of https://developer.blender.org/T74432. This is mostly a batch rename with some manual fixing. Only single word variable names are changed, no prefixed/suffixed names. Brecht van Lommel and Campbell Barton both gave me a green light for this convention change. Also ran clan clang format on affected files.
2020-03-06CodeCleanup: eevee_materials Use Struct AssignmentsJeroen Bakker
2020-03-05EEVEE: Render Passes BlendingJeroen Bakker
Changed the blending mode to full blending. I found the issue when during development of a material pass containing alpha values.
2020-03-05Fix T74431: EEVEE AO Render PassJeroen Bakker
Missing code-path in recent refactoring.
2020-03-05Cleanup: formatting, strip trailing spaceCampbell Barton
2020-03-03Revert "Fix T74110: EEVEE Shadow Pass"Jeroen Bakker
This reverts commit 403bb357ae2b1d2561a0d77c96035ba54c197cbd. The old implementation matches cycles closer. See T74378
2020-03-03Cleanup: formatting, spellingCampbell Barton
2020-03-02Fix crash when compiling renderpass shader on some AMD driversGermano Cavalcante
Differential Revision: https://developer.blender.org/D6959
2020-03-02Fix T74362: Material Preview AssertJeroen Bakker
When using Material Previews not all uniform blocks were filled. This patch will add the renderpass_block when drawing the background. Note that I wasn't able to reproduce the issue on my system, but according the the backtrace it most likely solves the issue. I let the reporter test.
2020-02-28Code Cleanup: UNDEF not existing defineJeroen Bakker
2020-02-27EEVEE: Shadow Render PassJeroen Bakker
Revert the change that renders the background black.
2020-02-27Fix T74063: EEVEE Render PassesJeroen Bakker
Cycles recently fixed this issue, EEVEE needed to be adapted to output similar results in the light passes. This patch implements cycles `safe_divide_even_color` function to a GLSL function that will be used when extracting the light passes. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6948
2020-02-27Fix T74110: EEVEE Shadow PassJeroen Bakker
Shadow could penetrate occluded geometry. This patch adds a check to see if the light is in the right location to light the pixel. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6918
2020-02-27Cleanup: split off hair cache function for reusabilityBrecht Van Lommel
For when we support sources of hair other than particle systems.
2020-02-27Fix T74229: EEVEE Bloom + TransparencyJeroen Bakker
Bug was introduced by the render passes. We had to tweak the bloom shader a bit so we could reuse it. After that tweaking the original alpha was ignored. This patch will read and store the correct alpha channel.
2020-02-27Fix T74254: EEVEE Render Passes AvailabilityJeroen Bakker
When disabling AO or BLOOM in the render tab, when the pass is shown in a 3d viewport the pass wasn't reset. This resulted in showing a black texture and a not filled UI render pass in the shading popover. This patch will by default reset to the combined pass. It is intended that the render_pass in the 3d shading struct isn't set to combined as people could have disabled AO/bloom by mistake and it could reset viewports that aren't visible.
2020-02-26EEVEE: Fix crash on certain drivers caused by redefined constantClément Foucault
2020-02-26Cleanup: don't set renderpass_block twice for volumesBrecht Van Lommel
2020-02-25Cleanup: removed runtime errorJeroen Bakker
The render passes checked all bits of an integer, that can lead to runtime errors. Added the max bit in the DNA and used this.
2020-02-25EEVEE: First Buffer Drawn IncorrectlyJeroen Bakker
SSS buffers are lazy initialized when needed. When shaders recompile the SSS buffers could be incorrectly drawn. During the render passes project we tried to fix this, but that resulted in incorrect result of the first sample after a shader was compiled. We revert this change knowing that we know the issue, but haven't found a proper solution for it.
2020-02-25EEVEE: Lookdev: Fix lookdev spheres positioning in viewport renderClément Foucault
2020-02-25EEVEE: Lookdev: Fix cubemap resolution change not refreshing lightcacheClément Foucault
2020-02-25EEVEE: Lookdev: Add support for partially blurred backgroundClément Foucault
This is using the GGX probe as background. This has the drawback of having the resolution choosed in the indirect lighting setting. The blurring is not really high-quality. The pros is that it has a simple implementation and is fast to evaluate. This patch also fades the background alpha to make overlay engine draw the default background color in the correct color space. Removing one colorspace hack. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D6895
2020-02-25Cleanup: EEVEE: Use log2_floor_uClément Foucault
2020-02-25EEVEE: Fix seams in reflection cubemap on low roughnessClément Foucault
This was caused by the texture size not being power of 2. Thus the padding applied to the base LOD did not match the highest mipmaps.
2020-02-22EEVEE: Fix memleak when G.is_break is set from another threadClément Foucault
2020-02-22Cleanup: EEVEE: Use interpf instead of custom lerpClément Foucault
2020-02-21EEVEE: Render PassesJeroen Bakker
This patch adds new render passes to EEVEE. These passes include: * Emission * Diffuse Light * Diffuse Color * Glossy Light * Glossy Color * Environment * Volume Scattering * Volume Transmission * Bloom * Shadow With these passes it will be possible to use EEVEE effectively for compositing. During development we kept a close eye on how to get similar results compared to cycles render passes there are some differences that are related to how EEVEE works. For EEVEE we combined the passes to `Diffuse` and `Specular`. There are no transmittance or sss passes anymore. Cycles will be changed accordingly. Cycles volume transmittance is added to multiple surface col passes. For EEVEE we left the volume transmittance as a separate pass. Known Limitations * All materials that use alpha blending will not be rendered in the render passes. Other transparency modes are supported. * More GPU memory is required to store the render passes. When rendering a HD image with all render passes enabled at max extra 570MB GPU memory is required. Implementation Details An overview of render passes have been described in https://wiki.blender.org/wiki/Source/Render/EEVEE/RenderPasses Future Developments * In this implementation the materials are re-rendered for Diffuse/Glossy and Emission passes. We could use multi target rendering to improve the render speed. * Other passes can be added later * Don't render material based passes when only requesting AO or Shadow. * Add more passes to the system. These could include Cryptomatte, AOV's, Vector, ObjectID, MaterialID, UV. Reviewed By: Clément Foucault Differential Revision: https://developer.blender.org/D6331
2020-02-20Cleanup: declatatuons for functions that don't existCampbell Barton
2020-02-18EEVEE: Fix default material disappearing when SSRefraction is enabledClément Foucault
2020-02-18Code cleanup EEVEE Render PassesJeroen Bakker
The render passes didn't follow the DrawManager way of doing things. It added new geometry and shading groups during drawing. This would make it harder to migrate to Vulkan later on. This change will re-implement this part by using uniform references. Reviewed By: Clément Foucault Differential Revision: https://developer.blender.org/D6875
2020-02-15Cleanup: remove various unused definesCampbell Barton
2020-02-14EEVEE: Shadow: Fix cascade shadowmap bias multiplicatorClément Foucault
This fixes the issue where sun shadowmaps needs a very big bias value to make any difference. The bias is now in world space and not dependant on shadow bounds. Unfortunatelly this breaks compatibility with previous version and old scene are likely to need user intervention to fix. Also fixes the property range. Fix T71661 EEVEE shadow from sun on incorrect face
2020-02-11DRW: Color Management improvementClément Foucault
Reviewed By: brecht sergey jbakker Differential Revision: http://developer.blender.org/D6729
2020-02-06Cleanup: refactor default materials and shader nodesBrecht Van Lommel
2020-02-05Merge branch 'blender-v2.82-release'Clément Foucault
2020-02-05Fix T73127 EEVEE: Reflection plane not visible in lookdev without scene worldClément Foucault
2020-02-05T73589: Code Quality: Renaming on BKE_material.hAntonio Vazquez
Old Name New Name ========= ========= init_def_material BKE_materials_init BKE_material_gpencil_default_free BKE_materials_exit test_object_materials BKE_object_materials_test test_all_objects_materials BKE_objects_materials_test_all give_matarar BKE_object_material_array give_totcolp BKE_object_material_num give_current_material_p BKE_object_material_get_p give_current_material BKE_object_material_get assign_material BKE_object_material_assign assign_matarar BKE_object_material_array_assign give_matarar_id BKE_id_material_array give_totcolp_id BKE_id_material_num assign_material_id BKE_id_material_assign clear_matcopybuf BKE_material_copybuf_clear free_matcopybuf BKE_material_copybuf_free copy_matcopybuf BKE_material_copybuf_copy paste_matcopybuf BKE_material_copybuf_paste BKE_material_init_gpencil_settings BKE_gpencil_material_attr_init BKE_material_add_gpencil BKE_gpencil_material_add BKE_material_gpencil_get BKE_gpencil_material BKE_material_gpencil_default_get BKE_gpencil_material_default BKE_material_gpencil_settings_get BKE_gpencil_material_settings
2020-01-30Merge branch 'blender-v2.82-release'Sergey Sharybin
2020-01-30EEVEE: Test maximum texture size before render.Clément Foucault
This will catch any non renderable size.
2020-01-29Merge branch 'blender-v2.82-release'Campbell Barton
2020-01-29EEVEE: Micro optimize disk lightClément Foucault
Try to never do operation twice and try to use MADD operations. Even if this is very unlikely to make any difference, it can help compilers do some optimization. I did not measure any difference as probes have much higher impact on render time because of texture lookups. Note that disk light is currently the most expensive light type so it does not hurt to micro optimize.
2020-01-29Fix T67060 EEVEE: Noise caused by disk lightsClément Foucault
This is an issue on some drivers that might output NaN out of sqrt if the number is infinity.
2020-01-28Merge remote-tracking branch 'origin/blender-v2.82-release'Sybren A. Stüvel
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