From 8e87882fec111edcc3385144c01a33792eea3a35 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Thu, 20 Apr 2023 08:40:22 -0700
Subject: [PATCH] [Impeller] Change the default color format for the GLES
 backend to RGBA (flutter/engine#41342)

This provides compatibility with BlitCopyTextureToBufferCommandGLES::Encode and glReadPixels (which only guarantees support for RGBA).
---
 .../src/flutter/impeller/renderer/backend/gles/context_gles.cc  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine/src/flutter/impeller/renderer/backend/gles/context_gles.cc b/engine/src/flutter/impeller/renderer/backend/gles/context_gles.cc
index f2bba7c15c..d64d607d47 100644
--- a/engine/src/flutter/impeller/renderer/backend/gles/context_gles.cc
+++ b/engine/src/flutter/impeller/renderer/backend/gles/context_gles.cc
@@ -69,7 +69,7 @@ ContextGLES::ContextGLES(std::unique_ptr<ProcTableGLES> gl,
             .SetSupportsTextureToTextureBlits(
                 reactor_->GetProcTable().BlitFramebuffer.IsAvailable())
             .SetSupportsFramebufferFetch(false)
-            .SetDefaultColorFormat(PixelFormat::kB8G8R8A8UNormInt)
+            .SetDefaultColorFormat(PixelFormat::kR8G8B8A8UNormInt)
             .SetDefaultStencilFormat(PixelFormat::kS8UInt)
             .SetSupportsCompute(false, false)
             .SetSupportsReadFromResolve(false)