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path: root/source/blender/draw/engines/eevee/eevee_render.c
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2020-09-07GPU: Rename gpu_extensions to gpu_capabilitiesClément Foucault
This makes more sense as this module has more to it than just GL extensions.
2020-08-21GPUUniformBuf: Rename struct and change API a bitClément Foucault
This follows the GPU module naming of other buffers. We pass name to distinguish each GPUUniformBuf in debug mode. Also remove DRW_uniform_buffer interface.
2020-08-17Fix T77267: Render EEVEE AO pass when AO disabled.Jeroen Bakker
In EEVEE the AO renderpass influenced other render passes. Until now the pass wasn't selectable when AO was disabled in the scene to remove these render artifacts. This patch allows rendering EEVEE AO pass without enabling it in the scene. It does this by binding a fallback texture that is used by the surface shaders. Reviewed By: Clément Foucault Differential Revision: https://developer.blender.org/D7956
2020-08-12Merge branch 'blender-v2.90-release'Clément Foucault
# Conflicts: # source/blender/draw/engines/eevee/eevee_motion_blur.c
2020-08-12Fix T79637 Motion blur gives artifacts when changing the cameraClément Foucault
DRW_render_set_time is calling RE_engine_frame_set will in turn calls BKE_scene_camera_switch_update. To workaround this, we get the original camera object at render init and get the evaluated version from it after each time change.
2020-08-07Cleanup: declare arrays arrays where possibleCampbell Barton
2020-08-07EEVEE: Render: Fix regression caused by previous Motion blur fixClément Foucault
Caused by rB4f59e4bddcb0c06e441adf68a5f252a4e5b4b260
2020-08-07Fix T78452 EEVEE: Motion Blur: Crash when using camera switchingClément Foucault
This was caused by the ViewLayer being freed with all its engine data.
2020-08-02Cleanup: pass const matricesCampbell Barton
Also order return matrices last.
2020-07-16Cleanup: GPU: Replace all glReadPixels by GPU equivalentClément Foucault
2020-06-23EEVEE: Motion Blur: Add accumulation motion blur for better precisionClément Foucault
This revisit the render pipeline to support time slicing for better motion blur. We support accumulation with or without the Post-process motion blur. If using the post-process, we reuse last step next motion data to avoid another scene reevaluation. This also adds support for hair motion blur which is handled in a similar way as mesh motion blur. The total number of samples is distributed evenly accross all timesteps to avoid sampling weighting issues. For this reason, the sample count is (internally) rounded up to the next multiple of the step count. Only FX Motion BLur: {F8632258} FX Motion Blur + 4 time steps: {F8632260} FX Motion Blur + 32 time steps: {F8632261} Reviewed By: jbakker Differential Revision: https://developer.blender.org/D8079
2020-06-19EEEVEE: Object Motion Blur: Initial ImplementationClément Foucault
This adds object motion blur vectors for EEVEE as well as better noise reduction for it. For TAA reprojection we just compute the motion vector on the fly based on camera motion and depth buffer. This makes possible to store another motion vector only for the blurring which is not useful for TAA history fetching. Motion Data is saved per object & per geometry if using deformation blur. We support deformation motion blur by saving previous VBO and modifying the actual GPUBatch for the geometry to include theses VBOs. We store Previous and Next frame motion in the same motion vector buffer (RG for prev and BA for next). This makes non linear motion blur (like rotating objects) less prone to outward/inward blur. We also improve the motion blur post process to expand outside the objects border. We use a tile base approach and the max size of the blur is set via a new render setting. We use a background reconstruction method that needs another setting (Background Separation). Sampling is done using a fixed 8 dithered samples per direction. The final render samples will clear the noise like other stochastic effects. One caveat is that hair particles are not yet supported. Support will come in another patch. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D7297
2020-06-02EEVEE: Refactor of eevee_material.cClément Foucault
These are the modifications: -With DRW modification we reduce the number of passes we need to populate. -Rename passes for consistent naming. -Reduce complexity in code compilation -Cleanup how renderpass accumulation passes are setup, using pass instances. -Make sculpt mode compatible with shadows -Make hair passes compatible with SSS -Error shader and lookdev materials now use standalone materials. -Support default shader (world and material) using a default nodetree internally. -Change BLEND_CLIP to be emulated by gpu nodetree. Making less shader variations. -Use BLI_memblock for cache memory allocation. -Renderpasses are handled by switching a UBO ref bind. One major hack in this patch is the use of modified pointer as ghash keys. This rely on the assumption that the keys will never overlap because the number of options per key will never be bigger than the pointed struct. The use of one single nodetree to support default material is also a bit hacky since it won't support concurent usage of this nodetree. (see EEVEE_shader_default_surface_nodetree) Another change is that objects with shader errors now appear solid magenta instead of shaded magenta. This is only because of code reuse purpose but could be changed if really needed. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D7642
2020-03-27Fix T69060: File Output Node does not work with Time RemappingPhilipp Oeser
Problem is that the RenderEngines will change the RenderData cfra when rendering (when time remapping is used -- at least workbench/eevee/ gpencil do a combination of BKE_scene_frame_get() plus RE_GetCameraWindow() which alters the RenderData cfra). Later on in the pipeline, the Compositor will use this RenderData cfra to determine the output file name for the FileOutput node. (In contrast to this, the 'regular' Output will use the Scene's RenderData -- not the Render's -- cfra [which hasnt been altered]) It is not entirely clear why RE_GetCameraWindow was setting the cfra on the Render, but it appears to be legacy OGL rendering related and is not needed anymore. Removing this will keep the cfra as needed for the Compositor FileOutput node.
2020-03-19Cleanup: `make format` after SortedIncludes changeDalai Felinto
2020-03-18Objects: Eevee and workbench rendering of new Volume, Hair, PointCloudBrecht Van Lommel
Only the volume drawing part is really finished and exposed to the user. Hair plugs into the existing hair rendering code and is fairly straightforward. The pointcloud drawing is a hack using overlays rather than Eevee and workbench. The most tricky part for volume rendering is the case where each volume grid has a different transform, which requires an additional matrix in the shader and non-trivial logic in Eevee volume drawing. In the common case were all the transforms match we don't use the additional per-grid matrix in the shader. Ref T73201, T68981 Differential Revision: https://developer.blender.org/D6955
2020-02-28Code Cleanup: UNDEF not existing defineJeroen Bakker
2020-02-27Cleanup: split off hair cache function for reusabilityBrecht Van Lommel
For when we support sources of hair other than particle systems.
2020-02-22EEVEE: Fix memleak when G.is_break is set from another threadClément 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
2020-01-30EEVEE: Test maximum texture size before render.Clément Foucault
This will catch any non renderable size.
2020-01-17Fix T71154: EEVEE Soft Shadows Viewport RenderingJeroen Bakker
EEVEE Soft shadows were not rendered correctly during viewport rendering. The reason for this is that during viewport rendering the shadow buffers were only update once and not per sample. This resulted that all the samples calculated the same shadow. This fix moves the call to `EEVEE_shadows_update` from cache finished to draw scene. This needs to happen before `EEVEE_lightprobes_refresh`. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6538
2019-11-28EEVEE: Viewport RenderpassesJeroen Bakker
This patch will allow the user to select the EEVEE renderpass to be shown in the viewport by default the combined pass will be shown. Limitations: * Viewport rendering stores the result in a `RenderResult`. RenderResult is not aware of the type of data it holds. In many places where RenderResult is used it is assumed that it stores a combined pass and the display+view transform are applied. I will propose to fix this in a future patch. But that is still being designed and discussed. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6319
2019-11-27EEVEE: GLSL RenderpassesJeroen Bakker
Most of the renderpasses in EEVEE used post-processing on the CPU. For final image rendering this is sufficient, but when we want to display the data to the user we don't want to transfer to the CPU to do post processing to then upload it back to the GPU to display the result. This patch moves the renderpass postprocessing to a GLSL shader. This is the first step to do, before we will enable the renderpasses in the viewport. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6206
2019-11-27EEVEE: Renderlayer artifactsJeroen Bakker
When rendering the Subsurface scattering lighting render layer with high sample count render artifacts can appear. This patch will remove these render artifacts by using a more precise texture format when samples will be larger than 128. As with the new eevee-shadows it is more common to use higher number of samples. The reason why it was visible in the subsurface scattering is that every sample could change the color. Adding different values will reduce precision over the number of samples. The subsurface color render layer also has this issue, but it is not noticeable as the colors tend to be close to each other so the colors would most of the time just shift the precision and hold up better. Reviewed By: fclem Differential Revision: https://developer.blender.org/D6245
2019-09-07Cleanup: use post increment/decrementCampbell Barton
When the result isn't used, prefer post increment/decrement (already used nearly everywhere in Blender).
2019-09-05Eevee: Shadow map refactorClément Foucault
Reviewed By: brecht Differential Revision: http://developer.blender.org/D5659
2019-08-14Eevee: Improve Transparent BSDF behaviorClément Foucault
Alpha blended Transparency is now using dual source blending making it fully compatible with cycles Transparent BSDF. Multiply and additive blend mode can be achieved using some nodes and are going to be removed.
2019-08-01Cleanup: misc spelling fixesCampbell Barton
T68035 by @luzpaz
2019-07-09Eevee: Fix first sample being accumulated without SSRClément Foucault
We check if the previous iteration (sample) was using a valid double buffer. If it wasn't, we request another iteration. This fix the issue for viewport,viewport render and image render. Related to T65761 Eevee render inconsistency between 3D View, Viewport render, and F12 Render
2019-05-27Eevee/GPencil: Fix depth reading after renderClément Foucault
2019-05-27Eevee: Fix render z-depth for orthographic cameraClément Foucault
Fix last commit
2019-05-27Eevee: Fix render depth pass being negativeClément Foucault
2019-05-23Cleanup: Remove debug printJeroen Bakker
2019-05-22DRW/Eevee: Fix camera texture coordinates in rendersClément Foucault
This patch fix the issue introduced by recent refactor and fixes computation when using overscans.
2019-05-22DRW: DRWView: Finish refactorClément Foucault
2019-05-22Eevee: Make Planar reflections work with the new DRWView systemClément Foucault
Also get rid of clip_block which did the same as clipplanes inside common_view_lib.glsl.
2019-05-22Eevee: Use DRW_view_* API instead of DRW_viewport_matrix_*Clément Foucault
2019-05-17Eevee: Remove the Volumetric Render checkboxClément Foucault
This is to simplify the usage of Volumetrics. Now it automatically detect if there is any Volumetric material in the view and allocate the needed buffer if any.
2019-05-17Eevee: Remove the Subsurface Render checkboxClément Foucault
This is to simplify the usage of SSS. Now it automatically detect if there is any SSS material in the view and allocate the needed buffer if any.
2019-04-17ClangFormat: apply to source, most of internCampbell Barton
Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
2019-04-02Cleanup: empty expression statement warningCampbell Barton
2019-03-29Eevee: Render: Reduce debug print amount to not decrease perfClément Foucault
This is to fix the slowdown issue experienced on windows when rendering from command line. Fix T59649 Eevee in command-line batch mode is slow with particles/duplis
2019-03-20Fix T60190 Z-fighting with (Culled) BackfaceClément Foucault
Create a separate pass for backface culled objects.
2019-03-20Cleanup: use lowercase for dimensions in function namesCampbell Barton
Most API's already use this convention.
2019-03-13Fix T60902 Eevee: Environment texture partially visible on transp. renderClément Foucault
This was due to environement not being rendered with alpha blending. So color was still written and contributed to the final render color. Now we multiply by background alpha so that it removes any background pixels intensity. For this reason this made the (incorrect) final premult unecessary.
2019-02-18doxygen: add newline after \fileCampbell Barton
While \file doesn't need an argument, it can't have another doxy command after it.
2019-02-06Cleanup: remove redundant doxygen \file argumentCampbell Barton
Move \ingroup onto same line to be more compact and make it clear the file is in the group.
2019-02-01Cleanup: remove redundant, invalid info from headersCampbell Barton
BF-admins agree to remove header information that isn't useful, to reduce noise. - BEGIN/END license blocks Developers should add non license comments as separate comment blocks. No need for separator text. - Contributors This is often invalid, outdated or misleading especially when splitting files. It's more useful to git-blame to find out who has developed the code. See P901 for script to perform these edits.
2019-01-29Cleanup: replace attrib w/ attrCampbell Barton
Also rename GPUVertexAttribs to GPUVertAttrLayers, avoids confusion with GPUVertAttr which isn't closely related.
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