diff --git a/Telegram/SourceFiles/calls/calls_video_incoming.cpp b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
index 56cb34762..bfd3fe7e7 100644
--- a/Telegram/SourceFiles/calls/calls_video_incoming.cpp
+++ b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
@@ -223,7 +223,6 @@ void Panel::Incoming::RendererGL::paint(
 		Assert(data.format == Webrtc::FrameFormat::YUV420);
 		Assert(!data.yuv420->size.isEmpty());
 		const auto yuv = data.yuv420;
-		const auto format = Ui::GL::CurrentSingleComponentFormat();
 
 		f.glActiveTexture(GL_TEXTURE0);
 		_textures.bind(f, 1);
@@ -231,8 +230,8 @@ void Panel::Incoming::RendererGL::paint(
 			f.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->size,
 				_lumaSize,
 				yuv->y.stride,
@@ -244,8 +243,8 @@ void Panel::Incoming::RendererGL::paint(
 		if (upload) {
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->chromaSize,
 				_chromaSize,
 				yuv->u.stride,
@@ -256,8 +255,8 @@ void Panel::Incoming::RendererGL::paint(
 		if (upload) {
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->chromaSize,
 				_chromaSize,
 				yuv->v.stride,
diff --git a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
index cfc3b49e7..7ca3a5024 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
@@ -985,7 +985,6 @@ void Viewport::RendererGL::bindFrame(
 		program.argb32->setUniformValue("s_texture", GLint(0));
 	} else {
 		const auto yuv = data.yuv420;
-		const auto format = Ui::GL::CurrentSingleComponentFormat();
 		program.yuv420->bind();
 		f.glActiveTexture(GL_TEXTURE0);
 		tileData.textures.bind(f, 0);
@@ -993,8 +992,8 @@ void Viewport::RendererGL::bindFrame(
 			f.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->size,
 				tileData.textureSize,
 				yuv->y.stride,
@@ -1007,8 +1006,8 @@ void Viewport::RendererGL::bindFrame(
 		if (upload) {
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->chromaSize,
 				tileData.textureChromaSize,
 				yuv->u.stride,
@@ -1019,8 +1018,8 @@ void Viewport::RendererGL::bindFrame(
 		if (upload) {
 			uploadTexture(
 				f,
-				format,
-				format,
+				GL_ALPHA,
+				GL_ALPHA,
 				yuv->chromaSize,
 				tileData.textureChromaSize,
 				yuv->v.stride,
@@ -1365,19 +1364,33 @@ void Viewport::RendererGL::validateNoiseTexture(
 	if (_noiseTexture.created()) {
 		return;
 	}
-	const auto format = Ui::GL::CurrentSingleComponentFormat();
 	_noiseTexture.ensureCreated(f, GL_NEAREST, GL_REPEAT);
 	_noiseTexture.bind(f, 0);
+
+	// Rendering to GL_ALPHA is not supported.
 	f.glTexImage2D(
 		GL_TEXTURE_2D,
 		0,
-		format,
+		GL_R8,
 		kNoiseTextureSize,
 		kNoiseTextureSize,
 		0,
-		format,
+		GL_RED,
 		GL_UNSIGNED_BYTE,
 		nullptr);
+	if (f.glGetError() != GL_NO_ERROR) {
+		// Direct3D 9 doesn't support GL_R8 textures.
+		f.glTexImage2D(
+			GL_TEXTURE_2D,
+			0,
+			GL_RGB,
+			kNoiseTextureSize,
+			kNoiseTextureSize,
+			0,
+			GL_RGB,
+			GL_UNSIGNED_BYTE,
+			nullptr);
+	}
 
 	_noiseFramebuffer.ensureCreated(f);
 	_noiseFramebuffer.bind(f, 0);
@@ -1459,5 +1472,4 @@ void Viewport::RendererGL::validatePausedAnimation(
 		st::fadeWrapDuration);
 }
 
-
 } // namespace Calls::Group
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
index 712c5b73e..fe46890fd 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
@@ -193,7 +193,6 @@ void OverlayWidget::RendererGL::paintTransformedVideoFrame(
 
 	const auto upload = (_trackFrameIndex != data.index)
 		|| (_streamedIndex != _owner->streamedIndex());
-	const auto format = Ui::GL::CurrentSingleComponentFormat();
 	_trackFrameIndex = data.index;
 	_streamedIndex = _owner->streamedIndex();
 
@@ -202,8 +201,8 @@ void OverlayWidget::RendererGL::paintTransformedVideoFrame(
 	if (upload) {
 		_f->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->size,
 			_lumaSize,
 			yuv->y.stride,
@@ -214,8 +213,8 @@ void OverlayWidget::RendererGL::paintTransformedVideoFrame(
 	_textures.bind(*_f, 2);
 	if (upload) {
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->chromaSize,
 			_chromaSize,
 			yuv->u.stride,
@@ -225,8 +224,8 @@ void OverlayWidget::RendererGL::paintTransformedVideoFrame(
 	_textures.bind(*_f, 3);
 	if (upload) {
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->chromaSize,
 			_chromaSize,
 			yuv->v.stride,
diff --git a/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp b/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
index 7abfbad69..92aa09061 100644
--- a/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
@@ -297,14 +297,13 @@ void Pip::RendererGL::paintTransformedVideoFrame(
 	const auto upload = (_trackFrameIndex != data.index);
 	_trackFrameIndex = data.index;
 
-	const auto format = Ui::GL::CurrentSingleComponentFormat();
 	_f->glActiveTexture(GL_TEXTURE0);
 	_textures.bind(*_f, 1);
 	if (upload) {
 		_f->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->size,
 			_lumaSize,
 			yuv->y.stride,
@@ -315,8 +314,8 @@ void Pip::RendererGL::paintTransformedVideoFrame(
 	_textures.bind(*_f, 2);
 	if (upload) {
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->chromaSize,
 			_chromaSize,
 			yuv->u.stride,
@@ -326,8 +325,8 @@ void Pip::RendererGL::paintTransformedVideoFrame(
 	_textures.bind(*_f, 3);
 	if (upload) {
 		uploadTexture(
-			format,
-			format,
+			GL_ALPHA,
+			GL_ALPHA,
 			yuv->chromaSize,
 			_chromaSize,
 			yuv->v.stride,
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index e68f76e6a..2439235e4 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit e68f76e6ab9457652d6de0712120695d2fbb81b8
+Subproject commit 2439235e429263a5c8fe8e65b4a3a32455128443