M CHANGES → CHANGES

@@ -16,6 +16,7 @@ - DS GX: Hack around writing to a full FIFO that has a swap pending (fixes mgba.io/i/608)
  - DS Video: Enable overflow bit on extended affine modes
  - DS Video: Fix extended mode 0 without extended palettes
  - DS Video: Fix caputre stride
+ - DS Video: Fix affine transformations in video capture
 Misc:
  - DS: Set boot complete bit in RAM on boot (fixes mgba.io/i/576, mgba.io/i/580, mgba.io/i/586)
  - DS Memory: Ensure DS9 I/O is 8-byte aligned

M src/ds/renderers/software.c → src/ds/renderers/software.c

@@ -379,6 +379,11 @@ int spriteLayers = GBAVideoSoftwareRendererPreprocessSpriteLayer(softwareRenderer, y);
 	memset(softwareRenderer->alphaA, softwareRenderer->blda, sizeof(softwareRenderer->alphaA));
 	memset(softwareRenderer->alphaB, softwareRenderer->bldb, sizeof(softwareRenderer->alphaB));
 
+	softwareRenderer->bg[2].sx = softwareRenderer->bg[2].dmx * y;
+	softwareRenderer->bg[2].sy = softwareRenderer->bg[2].dmy * y;
+	softwareRenderer->bg[3].sx = softwareRenderer->bg[3].dmx * y;
+	softwareRenderer->bg[3].sy = softwareRenderer->bg[3].dmy * y;
+
 	int w;
 	unsigned priority;
 	for (priority = 0; priority < 4; ++priority) {
@@ -477,10 +482,6 @@ }
 			}
 		}
 	}
-	softwareRenderer->bg[2].sx += softwareRenderer->bg[2].dmx;
-	softwareRenderer->bg[2].sy += softwareRenderer->bg[2].dmy;
-	softwareRenderer->bg[3].sx += softwareRenderer->bg[3].dmx;
-	softwareRenderer->bg[3].sy += softwareRenderer->bg[3].dmy;
 
 	GBAVideoSoftwareRendererPostprocessBuffer(softwareRenderer);
 }