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This was caused by an incorrect bound check. Since we now use different
data type for indexed and non-indexed drawcalls, we need to check if the
next drawcall is going to overflow the buffer.
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This was caused by a missing check left over during the GL isolation.
Fix T84277 Solid and Wireframe viewport performance hit on AMD Radeon GPUs
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Since 216d78687d2b9468b05fb598d1cef0b8424a40d2 the depth function
(glDepthFunc) was left in an undefined state for drawing callbacks that
use the `bgl` module.
This meant enabling depth-test from Python's bgl module also needed
to set the depth function (which previously wasn't necessary).
Set the depth function as part of GPU_bgl_start
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During viewport rendering the color values were clamped in order to
apply the overlay on top of it. This clamping would show the scene
colors washed out.
This patch adds a work around to skip the clamping when the overlays are
turned off.
Parial fix for {T77909}
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AMD 21.1.1 still has the same issues as reported in T82856.
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Removing the limited support message as the known opengl issues of the
recent drivers with polaris cards have been tackled.
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Add framebuffer viewport setter; Remove framebuffer restore; Expose framebuffer push/pop stack API; Remove blend modes; Remove depth_range_set; Implement GPU_face_culling, GPU_front_facing, GPU_point_size, GPU_line_width, GPU_viewport, GPU_color_mask and GPU_depth_mask"
This reverts commit 9db3d1951da15254efbbcf028176facb78118ec1.
This was an accidental commit of the patch D8826
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framebuffer viewport setter; Remove framebuffer restore; Expose framebuffer push/pop stack API; Remove blend modes; Remove depth_range_set; Implement GPU_face_culling, GPU_front_facing, GPU_point_size, GPU_line_width, GPU_viewport, GPU_color_mask and GPU_depth_mask
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The issue does not render wireframes correctly.
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Linux does not report the driver version. It does report the OpenGL
version. This change will check the OpenGL version to enable the HQ
normal work around.
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Regression introduced by {c766d9b9dc56}. When converting the vertex
buffer to a texture buffer the fetch mode wasn't checked and the short
was bitwise interpreted as a float. This change checks the fetch_mode
and select the correct texture buffer.
This could also be added to other places when needed. At this time it is
only added here to support vertex colors when used with hair particles.
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THe high quality normals work around is enabled for Polaris cards using
the official drivers. Since driver version 2.11.2 they fail to render
using low quality normals.
The detection of polaris cards is done by matching the opengl renderer.
The renderer strings have been extracted from various reports linked to
{T82856} but isn't complete as some reports are missing the exact
renderer as users don't always report via the help menu.
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This change makes it possible for platforms to only support high quality
normal rendering. This is part of {T82856} where current AMD drivers
running on the polaris architecture does not support the low quality
setting due to a driver bug.
In a next commit the work around will be enabled.
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This adds high quality normals for non meshes. These include
* Volumetric Object Wireframe
* Metaballs
* Extracted Curves
* Curves in edit mode
This is in preparation to fix a regression in recent AMD
drivers where the `GL_INT_2_10_10_10_REV` data type isn't
working in Polaris cards.
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Differential Revision: https://developer.blender.org/D9960
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In glsl the clamp function has undefined behavior when min > max. For
the clamp node this resulted in differences between cycles and eevee.
This patch adds the expected implementation for minmax.
The old clamp function is still used in cases where we know for certain
that the input values are correct (math node clamp option). GPU uses
optimized code and silicon in these cases.
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Some GPU platforms don't support having more than one underscore in
sequence in an attribute name. This change will remove the underscore
as a possible character when encoding to save names.
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Fix T83415: 3D View is red when using stereo
The red view was caused by SRGB not being enabled for an SRGB texture attached to the framebuffer.
Currently, when configuring a framebuffer, the first texture attachment needs to be an SRGB format in order for the framebuffer to be binded with SRGB enabled.
Thus, simply changing the SRGB texture attachment as the first texture attachment removes the red color in the view.
Reviewed By: #eevee_viewport, jbakker
Maniphest Tasks: T83415
Differential Revision: https://developer.blender.org/D9845
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Prepare for `BLI_str_unescape` which doesn't read well
without the separator.
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Windows
This is a workaround for T80804.
There's a startup crash that happens on 2.91.0 on Windows, an `EXCEPTION_ACCESS_VIOLATION`
on `atio6axx.dll`. It is triggered by `glClear` on the `detect_mip_render_workaround`
function. The workaround moves the function after the device/driver workaround section and
sets the flag to the affected one to avoid running the check.
It is deprecated hardware that has not meet the minimum requirements since 2.79, but is
still usable and this extends its usability a bit before the cards are finally blacklisted.
Reviewed By: Jeroen Bakker
Differential Revision: https://developer.blender.org/D9667
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There is a patch that fixes the crash on startup {D9667}.
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There is a workaround available by setting the environment variable `R600_DEBUG=nosb`.
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Modernize loops by using the `for(type variable : container)` syntax.
Some loops were trivial to fix, whereas others required more attention
to avoid semantic changes. I couldn't address all old-style loops, so
this commit doesn't enable the `modernize-loop-convert` rule.
Although Clang-Tidy's auto-fixer prefers to use `auto` for the loop
variable declaration, I made as many declarations as possible explicit.
To me this increases local readability, as you don't need to fully
understand the container in order to understand the loop variable type.
No functional changes.
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Replace `typedef` with `using` in C++ code.
In the case of `typedef struct SomeName { ... } SomeName;` I removed the
`typedef` altogether, as this is unnecessary in C++. Such cases have been
rewritten to `struct SomeName { ... };`
No functional changes.
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No functional changes.
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This patch adds support for AOVs in EEVEE. AOV Outputs can be defined in the
render pass tab and used in shader materials. Both Object and World based
shaders are supported. The AOV can be previewed in the viewport using the
renderpass selector in the shading popover.
AOV names that conflict with other AOVs are automatically corrected. AOV
conflicts with render passes get a warning icon. The reason behind this is that
changing render engines/passes can change the conflict, but you might not notice
it. Changing this automatically would also make the materials incorrect, so best
to leave this to the user.
**Implementation**
The patch adds a copies the AOV structures of Cycles into Blender. The goal is
that the Cycles will use Blenders AOV defintions. In the Blender kernel
(`layer.c`) the logic of these structures are implemented.
The GLSL shader of any GPUMaterial can hold multiple outputs (the main output
and the AOV outputs) based on the renderPassUBO the right output is selected.
This selection uses an hash that encodes the AOV structure. The full AOV needed
to be encoded when actually drawing the material pass as the AOV type changes
the behavior of the AOV. This isn't known yet when the GLSL is compiled.
**Future Developments**
* The AOV definitions in the render layer panel isn't shared with Cycles.
Cycles should be migrated to use the same viewlayer aovs. During a previous
attempt this failed as the AOV validation in cycles and in Blender have
implementation differences what made it crash when an aov name was invalid.
This could be fixed by extending the external render engine API.
* Add support to Cycles to render AOVs in the 3d viewport.
* Use a drop down list for selecting AOVs in the AOV Output node.
* Give user feedback when multiple AOV output nodes with the same AOV name
exists in the same shader.
* Fix viewing single channel images in the image editor [T83314]
* Reduce viewport render time by only render needed draw passes. [T83316]
Reviewed By: Brecht van Lommel, Clément Foucault
Differential Revision: https://developer.blender.org/D7010
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See T82856 for details.
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Since Blender 2.91 the TeraScale 2 based cards crash during startup.
This patch will show the user a screen that the platform they are using
isn't supported.
The GPUs have been carefully handpicked from dozens of reports. T83124,
T83127, T83103, T83091, T83045, T83065, T82750, T82889, T82925, T82640,
T82429, T82436, T82446.
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This was a leftover from the 2.91 GPU module refactor.
This is an exception that should be removed when we remove BGL.
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These fill shaders were used with the old draw engine.
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Also minor comment formatting changes.
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Conflicts:
source/blender/editors/render/render_opengl.c
source/blender/sequencer/intern/effects.c
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The issue was the use of alpha values of 0 when there were no blending
enabled.
This patch just disables the smoothing of the wires in this case.
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Replace `NULL` with `nullptr` in C++ code.
No functional changes.
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