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Vulkan: Enable Shader Draw Parameters Support #111461

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Jeroen Bakker merged 8 commits from Jeroen-Bakker/blender:vulkan/enable-shader-draw-parameter-support into main 2023-09-11 15:05:01 +02:00
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Jeroen Bakker commented 2023-08-24 08:48:51 +02:00
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Shader draw parameter support is needed for Workbench-next. (Almost) All
devices that we support also supports shader draw parameters. This PR
doesn't include a workaround for devices that don't have support.

For end-users this PR will allow workbench-next to render the object on
the correct location. Before this patch they were always drawn on the origin.

The catch is that OpenGL uses gl_InstanceID which always starts counting at 0.
Vulkan has gl_InstanceIndex which holds the correct instance number. By
subtracting the gl_InstanceIndex from gl_BaseInstance will get the correct
gl_InstanceID.

This patch also activates some device extensions to perform in shader printf
statements inside a shader. Documentation for this will be added to the dev
docs how to use them.

Shader draw parameter support is needed for Workbench-next. (Almost) All devices that we support also supports shader draw parameters. This PR doesn't include a workaround for devices that don't have support. For end-users this PR will allow workbench-next to render the object on the correct location. Before this patch they were always drawn on the origin. The catch is that OpenGL uses gl_InstanceID which always starts counting at 0. Vulkan has gl_InstanceIndex which holds the correct instance number. By subtracting the gl_InstanceIndex from gl_BaseInstance will get the correct gl_InstanceID. This patch also activates some device extensions to perform in shader printf statements inside a shader. Documentation for this will be added to the dev docs how to use them.
Jeroen Bakker added this to the 4.0 milestone 2023-08-24 08:48:51 +02:00
Jeroen Bakker added the
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Jeroen Bakker self-assigned this 2023-08-24 08:48:51 +02:00
Jeroen Bakker added 1 commit 2023-08-24 08:49:06 +02:00
8273c6aa55 Vulkan: Enable Shader Draw Parameters Support 
Shader draw parameter support is required for Workbench-next. It is
core since Vulkan 1.1.

**TODO**

- [ ] Seems to work fine within Blender, but fails to compile when using
  shader builder.
Jeroen Bakker changed title from Vulkan: Enable Shader Draw Parameters Support to WIP: Vulkan: Enable Shader Draw Parameters Support 2023-08-24 09:03:09 +02:00
Jeroen Bakker added 1 commit 2023-09-11 10:50:11 +02:00
Jeroen Bakker added 1 commit 2023-09-11 11:29:21 +02:00
Jeroen Bakker added 1 commit 2023-09-11 12:19:17 +02:00
Jeroen Bakker changed title from WIP: Vulkan: Enable Shader Draw Parameters Support to Vulkan: Enable Shader Draw Parameters Support 2023-09-11 12:19:43 +02:00
Jeroen Bakker added this to the EEVEE & Viewport project 2023-09-11 12:22:58 +02:00
Jeroen Bakker added 2 commits 2023-09-11 14:51:18 +02:00
Jeroen Bakker added 1 commit 2023-09-11 15:02:17 +02:00
Jeroen Bakker added 1 commit 2023-09-11 15:04:06 +02:00
Jeroen Bakker merged commit 81c6eb9c7f into main 2023-09-11 15:05:01 +02:00
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Reference: blender/blender#111461
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