DRW: Use USHORT for vertex color and upload them in linear color to the GPU

This way we remove the need for the srgb boolean uniform and a lot of code complexity. However, mesh update is going to be a bit slower.

I did not benchmark the performance impact.

This also fix a typo in draw_cache_impl_particles.c and fix hair not using vertex color in workbench.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D6610

1 files changed, 0 insertions, 6 deletions

diff --git a/source/blender/draw/intern/draw_cache_extract.h b/source/blender/draw/intern/draw_cache_extract.h
index 2d10199782b..9228147af44 100644
--- a/source/blender/draw/intern/draw_cache_extract.h
+++ b/source/blender/draw/intern/draw_cache_extract.h
@@ -213,12 +213,6 @@ typedef struct MeshBatchCache {
 
   GPUBatch **surface_per_mat;
 
-  /* arrays of bool uniform names (and value) that will be use to
-   * set srgb conversion for auto attributes.*/
-  char *auto_layer_names;
-  int *auto_layer_is_srgb;
-  int auto_layer_len;
-
   DRWBatchFlag batch_requested;
   DRWBatchFlag batch_ready;