Dont convert to BGRA when loading an Image, instead use its actual format

Author: MAJigsaw77

src/openfl/display/BitmapData.hx

@@ -278,6 +278,7 @@ class BitmapData implements IBitmapDrawable
 
 			#if sys
 			var buffer = new ImageBuffer(new UInt8Array(width * height * 4), width, height);
+
 			buffer.format = BGRA32;
 			buffer.premultiplied = true;
 
@@ -3228,7 +3229,6 @@ class BitmapData implements IBitmapDrawable
 			__textureHeight = height;
 
 			#if sys
-			image.format = BGRA32;
 			image.premultiplied = true;
 			#end
 

src/openfl/display3D/textures/TextureBase.hx

@@ -337,8 +337,8 @@ class TextureBase extends EventDispatcher
 		}
 		else
 		{
-			internalFormat = TextureBase.__textureInternalFormat;
-			format = TextureBase.__textureFormat;
+			internalFormat = __limeBufferFormatToGLInternalFormat(image.buffer.format);
+			format = __limeBufferFormatToGLFormat(image.buffer.format);
 		}
 
 		__context.__bindGLTexture2D(__textureID);
@@ -389,4 +389,14 @@ class TextureBase extends EventDispatcher
 			__memoryInternalFormat = internalFormat;
 		}
 	}
+
+	@:noCompletion private function __limeBufferFormatToGLFormat(pixelFormat:lime.graphics.PixelFormat):Int
+	{
+		return pixelFormat == RGBA32 ? __context.gl.RGBA : TextureBase.__textureFormat;
+	}
+
+	@:noCompletion private function __limeBufferFormatToGLInternalFormat(pixelFormat:lime.graphics.PixelFormat):Int
+	{
+		return pixelFormat == RGBA32 ? __context.gl.RGBA : TextureBase.__textureInternalFormat;
+	}
 }