Fix inverted RenderTexture snapshot. Fix phaserjs#5445

photonstorm · photonstorm · commit 675e83e5392a · 2020-12-14T10:52:05.000Z
diff --git a/src/renderer/snapshot/WebGLSnapshot.js b/src/renderer/snapshot/WebGLSnapshot.js
@@ -65,12 +65,14 @@ var WebGLSnapshot = function (sourceCanvas, config)
 
         var data = imageData.data;
 
+        // var destIndex = (isFramebuffer) ? total - ((py * width + (width - px)) * 4) : (py * width + px) * 4;
+
         for (var py = 0; py < height; py++)
         {
             for (var px = 0; px < width; px++)
             {
                 var sourceIndex = ((height - py - 1) * width + px) * 4;
-                var destIndex = (isFramebuffer) ? total - ((py * width + (width - px)) * 4) : (py * width + px) * 4;
+                var destIndex = (py * width + px) * 4;
 
                 data[destIndex + 0] = pixels[sourceIndex + 0];
                 data[destIndex + 1] = pixels[sourceIndex + 1];

Original file line number	Diff line number	Diff line change
`@@ -65,12 +65,14 @@ var WebGLSnapshot = function (sourceCanvas, config)`
`65`	`65`
`66`	`66`	`var data = imageData.data;`
`67`	`67`
	`68`	`+ // var destIndex = (isFramebuffer) ? total - ((py * width + (width - px)) * 4) : (py * width + px) * 4;`
	`69`	`+`
`68`	`70`	`for (var py = 0; py < height; py++)`
`69`	`71`	`{`
`70`	`72`	`for (var px = 0; px < width; px++)`
`71`	`73`	`{`
`72`	`74`	`var sourceIndex = ((height - py - 1) * width + px) * 4;`
`73`		`- var destIndex = (isFramebuffer) ? total - ((py * width + (width - px)) * 4) : (py * width + px) * 4;`
	`75`	`+ var destIndex = (py * width + px) * 4;`
`74`	`76`
`75`	`77`	`data[destIndex + 0] = pixels[sourceIndex + 0];`
`76`	`78`	`data[destIndex + 1] = pixels[sourceIndex + 1];`