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Declaration and implementation got out of sync leading to warnings.
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Rename it to GPU_batch_draw_advanced and use base instance when possible.
Also add GPU_batch_bind to bind the vao independantly of drawing commands.
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GPU_vertbuf_discard to clear buffer containers in place.
GPU_BATCH_UNUSED to tag batch that are cleared and not immediatly usable.
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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
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Move free callback call to GPU_batch_discard to prevent the crash.
The issue was that clearing can happen after referencing to an instance
buffer and that's perfectly legal.
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Until now, Orcos were computed by the gpu (GLSL) and were not taking into
account the modifier stack (breaking orco for deformed mesh).
Now Orco is now computed on CPU but only if a modifier stack is present.
Tagging that an ORCO layer is present is done via a 4th component, which is
a waste of memory/bandwidth. Best would be to do the same as auto attrib
color space and save a bool uniform somewhere but for now it's too
disruptive.
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While \file doesn't need an argument, it can't have another doxy
command after it.
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The struct name is descriptive,
this isn't going to be confused with other variables.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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Select clipping now works when x-ray is disabled.
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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This is often invalid, outdated or misleading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.
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Also rename GPUVertexAttribs to GPUVertAttrLayers,
avoids confusion with GPUVertAttr which isn't closely related.
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Also use unsigned shifting for values not in int range.
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This does not include all the struct and type renaming. Only files were
renamed.
gwn_batch.c/h was fusioned with GPU_batch.c/h
gwn_immediate.c/h was fusioned with GPU_immediate.c/h
gwn_imm_util.c/h was fusioned with GPU_immediate_util.c/h
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Split out presets and utilities for creating batches.
These functions are quite specialized and not related to typical usage.
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Applied to newly added files in 2.8
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Now use a list of preset batches with a function to add new ones to this
list.
This removes the need of new functions all over the place to reset/exit.
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This is not a perfect win just yet. It's now calling glBufferSubData for
every call (instead of using glMapBufferRange which is almost faster), but
with this system we will be able to batch drawcalls together.
See next commit.
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This is needed for multiple windows to draw the batch presets.
This will not be needed once we use only one context for UI.
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This separate context allows two things:
- It allows viewports in multi-windows configuration.
- F12 render can use this context in a separate thread and do a non-blocking render.
The downside is that the context cannot be used while rendering so a request to refresh a viewport will lock the UI. This is something that will be adressed in the future.
Under the hood what does that mean:
- Not adding more mess with VAOs management in gawain.
- Doing depth only draw for operators / selection needs to be done in an offscreen buffer.
- The 3D cursor "autodis" operator is still reading the backbuffer so we need to copy the result to it.
- All FBOs needed by the drawmanager must to be created/destroyed with its context active.
- We cannot use batches created for UI in the DRW context and vice-versa. There is a clear separation of resources that enables the use of safe multi-threading.
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Draws wire around polygon shapes:
better visibility w/ any background color.
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Also use compiler attributes
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Shapes are represented by compact byte array,
encoded by 'make_shape_2d_from_blend.py' in the tools repo.
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Mixing other batch code in this file easily shadowed existing variables.
Keep presets separate (we may have more, 2D & 3D presets)
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Were using Batch_ prefix still
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Looking up names project wide or setting breakpoints wasn't so.
Names like common.h or element.h are also too generic.
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Use consistent prefix for gawain API names as well as
some abbreviations to avoid over-long names, see: D2678
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Before now it lived in source/blender/gpu for convenience. Only a few files in the gpu module use Gawain directly.
Tested on Mac, time to push and test on Windows.
Todo: some CMake magic to make it easy to
#include "gawain/some_header.h"
from any C or H file. Main problem here is the many editors that include GPU_immediate.h which includes Gawain's immediate.h -- is there a way to avoid changing every editor's CMakeLists?
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Updated interface_draw.c to use the new sphere batch.
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Was already done for immediate mode, but rearranged code to make a clean separation. Cleaned up #includes for code that uses this feature.
Added same for batched rendering.
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Vertex Buffer to store vertex attribute data.
Element List (AKA Index Buffer) to select which vertices to use.
Batch combines these into an object that can be built once then drawn
many times.
Porting over from the C++ version… Most of this C code is compiled but
unused. Some of it is not even compiled. Committing now in case I’m
lost at sea.
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