From 879a9d218361d6fd4a2b6c323f526507a6307976 Mon Sep 17 00:00:00 2001
From: Matt Gajownik <matt@obsproject.com>
Date: Sun, 28 Apr 2024 21:34:22 +1000
Subject: [PATCH] Enable building with CEF 6367

This allows compiling OBS Browser with Chromium 124-based CEF versions.

This also enables basic support for the new, official, shared texture
API, purely because building without it would be *more* difficult.

Sources:
 - https://bitbucket.org/chromiumembedded/cef/commits/260dd0ca2
---
 browser-client.cpp     | 22 ++++++++++++++++++++--
 browser-client.hpp     | 12 ++++++++----
 obs-browser-source.cpp |  2 +-
 3 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/browser-client.cpp b/browser-client.cpp
index d91ca7024..1c0ca264e 100644
--- a/browser-client.cpp
+++ b/browser-client.cpp
@@ -373,7 +373,11 @@ void BrowserClient::UpdateExtraTexture()
 
 void BrowserClient::OnAcceleratedPaint(CefRefPtr<CefBrowser>,
 				       PaintElementType type, const RectList &,
+#if CHROME_VERSION_BUILD >= 6367
+				       const CefAcceleratedPaintInfo &info)
+#else
 				       void *shared_handle)
+#endif
 {
 	if (type != PET_VIEW) {
 		// TODO Overlay texture on top of bs->texture
@@ -384,7 +388,7 @@ void BrowserClient::OnAcceleratedPaint(CefRefPtr<CefBrowser>,
 		return;
 	}
 
-#ifndef _WIN32
+#if !defined(_WIN32) && CHROME_VERSION_BUILD < 6367
 	if (shared_handle == bs->last_handle)
 		return;
 #endif
@@ -399,12 +403,20 @@ void BrowserClient::OnAcceleratedPaint(CefRefPtr<CefBrowser>,
 		bs->texture = nullptr;
 	}
 
-#if defined(__APPLE__) && CHROME_VERSION_BUILD > 4183
+#if defined(__APPLE__) && CHROME_VERSION_BUILD > 6367
+	bs->texture = gs_texture_create_from_iosurface(
+		(IOSurfaceRef)(uintptr_t)info.shared_texture_io_surface);
+#elif defined(__APPLE__) && CHROME_VERSION_BUILD > 4183
 	bs->texture = gs_texture_create_from_iosurface(
 		(IOSurfaceRef)(uintptr_t)shared_handle);
 #elif defined(_WIN32) && CHROME_VERSION_BUILD > 4183
 	bs->texture =
+#if CHROME_VERSION_BUILD >= 6367
+		gs_texture_open_nt_shared(
+			(uint32_t)(uintptr_t)info.shared_texture_handle);
+#else
 		gs_texture_open_nt_shared((uint32_t)(uintptr_t)shared_handle);
+#endif
 	//if (bs->texture)
 	//	gs_texture_acquire_sync(bs->texture, 1, INFINITE);
 
@@ -415,7 +427,13 @@ void BrowserClient::OnAcceleratedPaint(CefRefPtr<CefBrowser>,
 	UpdateExtraTexture();
 	obs_leave_graphics();
 
+#if defined(__APPLE__) && CHROME_VERSION_BUILD >= 6367
+	bs->last_handle = info.shared_texture_io_surface;
+#elif CHROME_VERSION_BUILD >= 6367
+	bs->last_handle = info.shared_texture_handle;
+#else
 	bs->last_handle = shared_handle;
+#endif
 }
 
 #ifdef CEF_ON_ACCELERATED_PAINT2
diff --git a/browser-client.hpp b/browser-client.hpp
index cbff1201e..36dd5d89c 100644
--- a/browser-client.hpp
+++ b/browser-client.hpp
@@ -135,10 +135,14 @@ class BrowserClient : public CefClient,
 			     const void *buffer, int width,
 			     int height) override;
 #ifdef ENABLE_BROWSER_SHARED_TEXTURE
-	virtual void OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
-					PaintElementType type,
-					const RectList &dirtyRects,
-					void *shared_handle) override;
+	virtual void
+	OnAcceleratedPaint(CefRefPtr<CefBrowser> browser, PaintElementType type,
+			   const RectList &dirtyRects,
+#if CHROME_VERSION_BUILD >= 6367
+			   const CefAcceleratedPaintInfo &info) override;
+#else
+			   void *shared_handle) override;
+#endif
 #ifdef CEF_ON_ACCELERATED_PAINT2
 	virtual void OnAcceleratedPaint2(CefRefPtr<CefBrowser> browser,
 					 PaintElementType type,
diff --git a/obs-browser-source.cpp b/obs-browser-source.cpp
index 09b301718..258bbcd86 100644
--- a/obs-browser-source.cpp
+++ b/obs-browser-source.cpp
@@ -658,7 +658,7 @@ extern void ProcessCef();
 void BrowserSource::Render()
 {
 	bool flip = false;
-#ifdef ENABLE_BROWSER_SHARED_TEXTURE
+#if defined(ENABLE_BROWSER_SHARED_TEXTURE) && CHROME_VERSION_BUILD < 6367
 	flip = hwaccel;
 #endif