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

3 files changed, 20 insertions, 8 deletions

diff --git a/source/blender/editors/interface/interface_draw.c b/source/blender/editors/interface/interface_draw.c
index c02024bc82d..695f34a448f 100644
--- a/source/blender/editors/interface/interface_draw.c
+++ b/source/blender/editors/interface/interface_draw.c
@@ -38,6 +38,7 @@
 
 #include "GPU_batch.h"
 #include "GPU_batch_presets.h"
+#include "GPU_context.h"
 #include "GPU_immediate.h"
 #include "GPU_immediate_util.h"
 #include "GPU_matrix.h"
@@ -1084,12 +1085,23 @@ static void ui_draw_colorband_handle_tri(
 static void ui_draw_colorband_handle_box(
     uint pos, float x1, float y1, float x2, float y2, bool fill)
 {
-  immBegin(fill ? GPU_PRIM_TRI_FAN : GPU_PRIM_LINE_LOOP, 4);
-  immVertex2f(pos, x1, y1);
-  immVertex2f(pos, x1, y2);
-  immVertex2f(pos, x2, y2);
-  immVertex2f(pos, x2, y1);
-  immEnd();
+  if (fill) {
+    immBegin(GPU_PRIM_TRI_STRIP, 4);
+    immVertex2f(pos, x2, y1);
+    immVertex2f(pos, x1, y1);
+    immVertex2f(pos, x2, y2);
+    immVertex2f(pos, x1, y2);
+    immEnd();
+  }
+  else {
+    immBegin(GPU_PRIM_LINE_STRIP, 5);
+    immVertex2f(pos, x1, y1);
+    immVertex2f(pos, x1, y2);
+    immVertex2f(pos, x2, y2);
+    immVertex2f(pos, x2, y1);
+    immVertex2f(pos, x1, y1);
+    immEnd();
+  }
 }
 
 static void ui_draw_colorband_handle(uint shdr_pos,
diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index b33cab3cbc6..23883feed71 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -1178,7 +1178,7 @@ static bool draw_widgetbase_batch_skip_draw_cache(void)
 {
   /* MacOS is known to have issues on Mac Mini and MacBook Pro with Intel Iris GPU.
    * For example, T78307. */
-  if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_MAC, GPU_DRIVER_ANY)) {
+  if (GPU_type_matches_ex(GPU_DEVICE_INTEL, GPU_OS_MAC, GPU_DRIVER_ANY, GPU_BACKEND_OPENGL)) {
     return true;
   }
 
diff --git a/source/blender/editors/screen/screen_draw.c b/source/blender/editors/screen/screen_draw.c
index dbdd0957d4b..6406b0d9d52 100644
--- a/source/blender/editors/screen/screen_draw.c
+++ b/source/blender/editors/screen/screen_draw.c
@@ -173,7 +173,7 @@ void ED_screen_draw_edges(wmWindow *win)
     BLI_rcti_do_minmax_v(&scissor_rect, (int[2]){area->v3->vec.x, area->v3->vec.y});
   }
 
-  if (GPU_type_matches(GPU_DEVICE_INTEL_UHD, GPU_OS_UNIX, GPU_DRIVER_ANY)) {
+  if (GPU_type_matches_ex(GPU_DEVICE_INTEL_UHD, GPU_OS_UNIX, GPU_DRIVER_ANY, GPU_BACKEND_OPENGL)) {
     /* For some reason, on linux + Intel UHD Graphics 620 the driver
      * hangs if we don't flush before this. (See T57455) */
     GPU_flush();