From df3d8b83a87ec3617fbca383a92fc51b9715210d Mon Sep 17 00:00:00 2001
From: valad47 <valad.racz@gmail.com>
Date: Mon, 1 Jun 2026 21:37:30 +0200
Subject: [PATCH] Fix rotated video rendering in calls

---
 Telegram/SourceFiles/calls/calls_video_incoming.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Telegram/SourceFiles/calls/calls_video_incoming.cpp b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
index ac2eea2ae8..d40184b341 100644
--- a/Telegram/SourceFiles/calls/calls_video_incoming.cpp
+++ b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
@@ -836,8 +836,8 @@ public:
 			_uniformBuffer, 0, sizeof(uniforms), &uniforms);
 
 		std::array<std::array<float, 2>, 4> texCoords = { {
-			{ { 0.f, 0.f } }, { { 1.f, 0.f } },
 			{ { 0.f, 1.f } }, { { 1.f, 1.f } },
+			{ { 1.f, 0.f } }, { { 0.f, 0.f } },
 		} };
 		if (const auto shift = (rotation / 90); shift != 0) {
 			std::rotate(
@@ -846,10 +846,10 @@ public:
 				texCoords.end());
 		}
 		const float coords[] = {
-			0.f, ph, texCoords[0][0], texCoords[0][1],
-			pw,  ph, texCoords[1][0], texCoords[1][1],
-			0.f, 0.f, texCoords[2][0], texCoords[2][1],
-			pw,  0.f, texCoords[3][0], texCoords[3][1],
+			0.f, ph, texCoords[3][0], texCoords[3][1],
+			pw,  ph, texCoords[2][0], texCoords[2][1],
+			0.f, 0.f, texCoords[0][0], texCoords[0][1],
+			pw,  0.f, texCoords[1][0], texCoords[1][1],
 		};
 		rub->updateDynamicBuffer(
 			_vertexBuffer, 0, sizeof(coords), coords);