From 926b426073c20658f26c90641af5093ece142d49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Wed, 16 Sep 2020 01:38:20 +0200
Subject: GPU: Add debug groups inside wm_draw.c

This makes the debugging easier
---
 source/blender/windowmanager/intern/wm_draw.c | 47 +++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'source/blender/windowmanager/intern/wm_draw.c')

diff --git a/source/blender/windowmanager/intern/wm_draw.c b/source/blender/windowmanager/intern/wm_draw.c
index eb5f8ca5ef1..2853481381d 100644
--- a/source/blender/windowmanager/intern/wm_draw.c
+++ b/source/blender/windowmanager/intern/wm_draw.c
@@ -53,6 +53,7 @@
 
 #include "GPU_batch_presets.h"
 #include "GPU_context.h"
+#include "GPU_debug.h"
 #include "GPU_framebuffer.h"
 #include "GPU_immediate.h"
 #include "GPU_state.h"
@@ -318,6 +319,37 @@ bool WM_region_use_viewport(ScrArea *area, ARegion *region)
   return wm_region_use_viewport_by_type(area->spacetype, region->regiontype);
 }
 
+static const char *wm_area_name(ScrArea *area)
+{
+#define SPACE_NAME(space) \
+  case space: \
+    return #space;
+
+  switch (area->spacetype) {
+    SPACE_NAME(SPACE_EMPTY);
+    SPACE_NAME(SPACE_VIEW3D);
+    SPACE_NAME(SPACE_GRAPH);
+    SPACE_NAME(SPACE_OUTLINER);
+    SPACE_NAME(SPACE_PROPERTIES);
+    SPACE_NAME(SPACE_FILE);
+    SPACE_NAME(SPACE_IMAGE);
+    SPACE_NAME(SPACE_INFO);
+    SPACE_NAME(SPACE_SEQ);
+    SPACE_NAME(SPACE_TEXT);
+    SPACE_NAME(SPACE_ACTION);
+    SPACE_NAME(SPACE_NLA);
+    SPACE_NAME(SPACE_SCRIPT);
+    SPACE_NAME(SPACE_NODE);
+    SPACE_NAME(SPACE_CONSOLE);
+    SPACE_NAME(SPACE_USERPREF);
+    SPACE_NAME(SPACE_CLIP);
+    SPACE_NAME(SPACE_TOPBAR);
+    SPACE_NAME(SPACE_STATUSBAR);
+    default:
+      return "Unkown Space";
+  }
+}
+
 /** \} */
 
 /* -------------------------------------------------------------------- */
@@ -635,6 +667,7 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
   /* Draw screen areas into own frame buffer. */
   ED_screen_areas_iter (win, screen, area) {
     CTX_wm_area_set(C, area);
+    GPU_debug_group_begin(wm_area_name(area));
 
     /* Compute UI layouts for dynamically size regions. */
     LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
@@ -668,6 +701,8 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
         CTX_wm_region_set(C, region);
         bool use_viewport = WM_region_use_viewport(area, region);
 
+        GPU_debug_group_begin(use_viewport ? "Viewport" : "ARegion");
+
         if (stereo && wm_draw_region_stereo_set(bmain, area, region, STEREO_LEFT_ID)) {
           wm_draw_region_buffer_create(region, true, use_viewport);
 
@@ -697,6 +732,8 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
           wm_draw_region_unbind(region);
         }
 
+        GPU_debug_group_end();
+
         region->do_draw = false;
         CTX_wm_region_set(C, NULL);
       }
@@ -704,6 +741,8 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
 
     wm_area_mark_invalid_backbuf(area);
     CTX_wm_area_set(C, NULL);
+
+    GPU_debug_group_end();
   }
 
   /* Draw menus into their own framebuffer. */
@@ -711,6 +750,8 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
     if (region->visible) {
       CTX_wm_menu_set(C, region);
 
+      GPU_debug_group_begin("Menu");
+
       if (region->type && region->type->layout) {
         /* UI code reads the OpenGL state, but we have to refresh
          * the UI layout beforehand in case the menu size changes. */
@@ -724,6 +765,8 @@ static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
       ED_region_do_draw(C, region);
       wm_draw_region_unbind(region);
 
+      GPU_debug_group_end();
+
       region->do_draw = false;
       CTX_wm_menu_set(C, NULL);
     }
@@ -735,6 +778,8 @@ static void wm_draw_window_onscreen(bContext *C, wmWindow *win, int view)
   wmWindowManager *wm = CTX_wm_manager(C);
   bScreen *screen = WM_window_get_active_screen(win);
 
+  GPU_debug_group_begin("Window Redraw");
+
   /* Draw into the window framebuffer, in full window coordinates. */
   wmWindowViewport(win);
 
@@ -810,6 +855,8 @@ static void wm_draw_window_onscreen(bContext *C, wmWindow *win, int view)
   if (wm->drags.first) {
     wm_drags_draw(C, win, NULL);
   }
+
+  GPU_debug_group_end();
 }
 
 static void wm_draw_window(bContext *C, wmWindow *win)
-- 
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