[Bf-blender-cvs] [5ec6bcd4748] blender-v2.93-release: Fix PlayAnim X/Y flipping

[Campbell Barton]

Commit: 5ec6bcd4748e0b78f76369ec78294f8c0c2921f0
Author: Campbell Barton
Date:   Sat May 8 14:27:28 2021 +1000
Branches: blender-v2.93-release
https://developer.blender.org/rB5ec6bcd4748e0b78f76369ec78294f8c0c2921f0

Fix PlayAnim X/Y flipping

This functionality was missed in recent GLSL drawing update
fd3e44492e7606a741a6d2c42b31687598c7d09a.

===================================================================

M	source/blender/windowmanager/intern/wm_playanim.c

===================================================================

diff --git a/source/blender/windowmanager/intern/wm_playanim.c b/source/blender/windowmanager/intern/wm_playanim.c
index 6e97476950e..b6405288a0b 100644
--- a/source/blender/windowmanager/intern/wm_playanim.c
+++ b/source/blender/windowmanager/intern/wm_playanim.c
@@ -489,6 +489,13 @@ static void draw_display_buffer(PlayState *ps, ImBuf *ibuf)
   BLI_rctf_init(&canvas, 0.0f, 1.0f, 0.0f, 1.0f);
   BLI_rctf_init(&preview, 0.0f, 1.0f, 0.0f, 1.0f);
 
+  if (ps->draw_flip[0]) {
+    SWAP(float, canvas.xmin, canvas.xmax);
+  }
+  if (ps->draw_flip[1]) {
+    SWAP(float, canvas.ymin, canvas.ymax);
+  }
+
   immAttr2f(texCoord, canvas.xmin, canvas.ymin);
   immVertex2f(pos, preview.xmin, preview.ymin);