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, 1 insertions, 4 deletions

diff --git a/source/blender/draw/intern/draw_cache_impl.h b/source/blender/draw/intern/draw_cache_impl.h
index 8cb318bd0bb..bf056d7444d 100644
--- a/source/blender/draw/intern/draw_cache_impl.h
+++ b/source/blender/draw/intern/draw_cache_impl.h
@@ -127,10 +127,7 @@ struct GPUBatch *DRW_mesh_batch_cache_get_surface(struct Mesh *me);
 struct GPUBatch *DRW_mesh_batch_cache_get_surface_edges(struct Mesh *me);
 struct GPUBatch **DRW_mesh_batch_cache_get_surface_shaded(struct Mesh *me,
                                                           struct GPUMaterial **gpumat_array,
-                                                          uint gpumat_array_len,
-                                                          char **auto_layer_names,
-                                                          int **auto_layer_is_srgb,
-                                                          int *auto_layer_count);
+                                                          uint gpumat_array_len);
 struct GPUBatch **DRW_mesh_batch_cache_get_surface_texpaint(struct Mesh *me);
 struct GPUBatch *DRW_mesh_batch_cache_get_surface_texpaint_single(struct Mesh *me);
 struct GPUBatch *DRW_mesh_batch_cache_get_surface_vertpaint(struct Mesh *me);