Metal: Adding alternative support for GPU_PRIM_TRI_FAN/LINE_LOOP For Metal backend.

- Metal uniform array compatibility in DRW module.
- Guard OpenGL-specific workarounds and flushes behind GPU_type_matches_ex API guard. Add further render boundaries for render paths called outside of the main loop.

Authored by Apple: Michael Parkin-White

Ref: T96261

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D14438

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/draw/intern/draw_manager_data.c b/source/blender/draw/intern/draw_manager_data.c
index b01c901c77f..2c9ebfc080e 100644
--- a/source/blender/draw/intern/draw_manager_data.c
+++ b/source/blender/draw/intern/draw_manager_data.c
@@ -498,9 +498,13 @@ void DRW_shgroup_uniform_vec4_array_copy(DRWShadingGroup *shgroup,
     return;
   }
 
+  /* Each array element stored as an individual entry in the uniform list.
+   * All entries from the same array share the same base location,
+   * and array-size used to determine the number of elements
+   * copied in draw_update_uniforms. */
   for (int i = 0; i < arraysize; i++) {
     drw_shgroup_uniform_create_ex(
-        shgroup, location + i, DRW_UNIFORM_FLOAT_COPY, &value[i], 0, 4, 1);
+        shgroup, location, DRW_UNIFORM_FLOAT_COPY, &value[i], 0, 4, arraysize);
   }
 }