diff --git a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
index 957d6a623a..f730d18aba 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
@@ -28,6 +28,11 @@ constexpr auto kBlurTextureSizeFactor = 1.7;
 constexpr auto kBlurOpacity = 0.7;
 constexpr auto kMinCameraVisiblePart = 0.75;
 
+constexpr auto kQuads = 7;
+constexpr auto kQuadVertices = kQuads * 4;
+constexpr auto kQuadValues = kQuadVertices * 4;
+constexpr auto kValues = kQuadValues + 8; // Blur texture coordinates.
+
 [[nodiscard]] ShaderPart FragmentBlurTexture(
 		bool vertical,
 		char prefix = 'v') {
@@ -200,10 +205,6 @@ void Viewport::RendererGL::init(
 	_frameBuffer->setUsagePattern(QOpenGLBuffer::DynamicDraw);
 	_frameBuffer->create();
 	_frameBuffer->bind();
-	constexpr auto kQuads = 7;
-	constexpr auto kQuadVertices = kQuads * 4;
-	constexpr auto kQuadValues = kQuadVertices * 4;
-	constexpr auto kValues = kQuadValues + 8; // Blur texture coordinates.
 	_frameBuffer->allocate(kValues * sizeof(GLfloat));
 	_downscaleProgram.yuv420.emplace();
 	_downscaleVertexShader = LinkProgram(
@@ -235,8 +236,6 @@ void Viewport::RendererGL::init(
 			FragmentRoundCorners(),
 		})).vertex;
 
-	_background.init(f);
-
 	_imageProgram.emplace();
 	LinkProgram(
 		&*_imageProgram,
@@ -247,6 +246,8 @@ void Viewport::RendererGL::init(
 		FragmentShader({
 			FragmentSampleARGB32Texture(),
 		}));
+
+	_background.init(f);
 }
 
 void Viewport::RendererGL::ensureARGB32Program() {
@@ -275,6 +276,8 @@ void Viewport::RendererGL::ensureARGB32Program() {
 void Viewport::RendererGL::deinit(
 		not_null<QOpenGLWidget*> widget,
 		QOpenGLFunctions &f) {
+	_background.deinit(f);
+
 	_frameBuffer = std::nullopt;
 	_frameVertexShader = nullptr;
 	_imageProgram = std::nullopt;
@@ -288,7 +291,6 @@ void Viewport::RendererGL::deinit(
 	}
 	_tileData.clear();
 	_tileDataIndices.clear();
-	_background.deinit(f);
 	_buttons.destroy(f);
 }
 
@@ -545,13 +547,13 @@ void Viewport::RendererGL::paintTile(
 		name.texture.left(), name.texture.top(),
 	};
 
+	_frameBuffer->bind();
+	_frameBuffer->write(0, coords, sizeof(coords));
+
 	const auto blurSize = CountBlurredSize(unscaled, _viewport, _factor);
 	prepareObjects(f, tileData, blurSize);
 	f.glViewport(0, 0, blurSize.width(), blurSize.height());
 
-	_frameBuffer->bind();
-	_frameBuffer->write(0, coords, sizeof(coords));
-
 	bindFrame(f, data, tileData, _downscaleProgram);
 	tile->track()->markFrameShown();
 
@@ -716,52 +718,17 @@ void Viewport::RendererGL::bindFrame(
 		Program &program) {
 	const auto upload = (tileData.trackIndex != data.index);
 	tileData.trackIndex = data.index;
-	const auto uploadOne = [&](
-			GLint internalformat,
-			GLint format,
-			QSize size,
-			QSize hasSize,
-			int stride,
-			const void *data) {
-		f.glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
-		if (hasSize != size) {
-			f.glTexImage2D(
-				GL_TEXTURE_2D,
-				0,
-				internalformat,
-				size.width(),
-				size.height(),
-				0,
-				format,
-				GL_UNSIGNED_BYTE,
-				data);
-		} else {
-			f.glTexSubImage2D(
-				GL_TEXTURE_2D,
-				0,
-				0,
-				0,
-				size.width(),
-				size.height(),
-				format,
-				GL_UNSIGNED_BYTE,
-				data);
-		}
-		f.glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
-	};
-	//if (upload) {
-	//	tileData.textureIndex = 1 - tileData.textureIndex;
-	//}
 	if (_rgbaFrame) {
 		ensureARGB32Program();
 		f.glUseProgram(program.argb32->programId());
 		f.glActiveTexture(GL_TEXTURE0);
-		tileData.textures.bind(f, tileData.textureIndex);
+		tileData.textures.bind(f, tileData.textureIndex * 5 + 0);
 		if (upload) {
 			const auto &image = data.original;
 			const auto stride = image.bytesPerLine() / 4;
 			const auto data = image.constBits();
-			uploadOne(
+			uploadTexture(
+				f,
 				GL_RGBA,
 				GL_RGBA,
 				image.size(),
@@ -769,6 +736,7 @@ void Viewport::RendererGL::bindFrame(
 				stride,
 				data);
 			tileData.rgbaSize = image.size();
+			tileData.textureSize = QSize();
 		}
 		program.argb32->setUniformValue("s_texture", GLint(0));
 	} else {
@@ -778,7 +746,8 @@ void Viewport::RendererGL::bindFrame(
 		tileData.textures.bind(f, tileData.textureIndex * 5 + 0);
 		if (upload) {
 			f.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-			uploadOne(
+			uploadTexture(
+				f,
 				GL_RED,
 				GL_RED,
 				yuv->size,
@@ -786,11 +755,13 @@ void Viewport::RendererGL::bindFrame(
 				yuv->y.stride,
 				yuv->y.data);
 			tileData.textureSize = yuv->size;
+			tileData.rgbaSize = QSize();
 		}
 		f.glActiveTexture(GL_TEXTURE1);
 		tileData.textures.bind(f, tileData.textureIndex * 5 + 1);
 		if (upload) {
-			uploadOne(
+			uploadTexture(
+				f,
 				GL_RED,
 				GL_RED,
 				yuv->chromaSize,
@@ -801,7 +772,8 @@ void Viewport::RendererGL::bindFrame(
 		f.glActiveTexture(GL_TEXTURE2);
 		tileData.textures.bind(f, tileData.textureIndex * 5 + 2);
 		if (upload) {
-			uploadOne(
+			uploadTexture(
+				f,
 				GL_RED,
 				GL_RED,
 				yuv->chromaSize,
@@ -817,6 +789,41 @@ void Viewport::RendererGL::bindFrame(
 	}
 }
 
+void Viewport::RendererGL::uploadTexture(
+		QOpenGLFunctions &f,
+		GLint internalformat,
+		GLint format,
+		QSize size,
+		QSize hasSize,
+		int stride,
+		const void *data) const {
+	f.glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
+	if (hasSize != size) {
+		f.glTexImage2D(
+			GL_TEXTURE_2D,
+			0,
+			internalformat,
+			size.width(),
+			size.height(),
+			0,
+			format,
+			GL_UNSIGNED_BYTE,
+			data);
+	} else {
+		f.glTexSubImage2D(
+			GL_TEXTURE_2D,
+			0,
+			0,
+			0,
+			size.width(),
+			size.height(),
+			format,
+			GL_UNSIGNED_BYTE,
+			data);
+	}
+	f.glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+}
+
 void Viewport::RendererGL::drawDownscalePass(
 		QOpenGLFunctions &f,
 		TileData &tileData) {
@@ -854,12 +861,7 @@ Rect Viewport::RendererGL::transformRect(const Rect &raster) const {
 }
 
 Rect Viewport::RendererGL::transformRect(const QRect &raster) const {
-	return {
-		raster.x() * _factor,
-		(_viewport.height() - raster.y() - raster.height()) * _factor,
-		raster.width() * _factor,
-		raster.height() * _factor,
-	};
+	return TransformRect(Rect(raster), _viewport, _factor);
 }
 
 void Viewport::RendererGL::ensureButtonsImage() {
diff --git a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h
index 244420c655..8966f911f1 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h
+++ b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h
@@ -103,6 +103,15 @@ private:
 		not_null<VideoTile*> tile,
 		TileData &data);
 
+	void uploadTexture(
+		QOpenGLFunctions &f,
+		GLint internalformat,
+		GLint format,
+		QSize size,
+		QSize hasSize,
+		int stride,
+		const void *data) const;
+
 	[[nodiscard]] bool isExpanded(
 		not_null<VideoTile*> tile,
 		QSize unscaled,
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
index ffadd28be9..2b9b0556f0 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.cpp
@@ -7,13 +7,68 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "media/view/media_view_overlay_opengl.h"
 
+#include "ui/gl/gl_shader.h"
 #include "base/platform/base_platform_info.h"
 
 namespace Media::View {
+namespace {
+
+using namespace Ui::GL;
+
+constexpr auto kQuads = 8;
+constexpr auto kQuadVertices = kQuads * 4;
+constexpr auto kQuadValues = kQuadVertices * 4;
+constexpr auto kControls = 6;
+constexpr auto kControlValues = 2 * 4 + 4 * 4;
+constexpr auto kControlsValues = kControls * kControlValues;
+constexpr auto kValues = kQuadValues + kControlsValues;
+
+constexpr auto kRadialLoadingOffset = 4;
+constexpr auto kThemePreviewOffset = kRadialLoadingOffset + 4;
+constexpr auto kDocumentBubbleOffset = kThemePreviewOffset + 4;
+constexpr auto kSaveMsgOffset = kDocumentBubbleOffset + 4;
+constexpr auto kFooterOffset = kSaveMsgOffset + 4;
+constexpr auto kCaptionOffset = kFooterOffset + 4;
+constexpr auto kGroupThumbsOffset = kCaptionOffset + 4;
+
+} // namespace
+
+OverlayWidget::RendererGL::RendererGL(not_null<OverlayWidget*> owner)
+: _owner(owner) {
+	style::PaletteChanged(
+	) | rpl::start_with_next([=] {
+		_radialImage.invalidate();
+		_documentBubbleImage.invalidate();
+		_themePreviewImage.invalidate();
+		_saveMsgImage.invalidate();
+		_footerImage.invalidate();
+		_captionImage.invalidate();
+	}, _lifetime);
+}
 
 void OverlayWidget::RendererGL::init(
 		not_null<QOpenGLWidget*> widget,
 		QOpenGLFunctions &f) {
+	_factor = widget->devicePixelRatio();
+	_contentBuffer.emplace();
+	_contentBuffer->setUsagePattern(QOpenGLBuffer::DynamicDraw);
+	_contentBuffer->create();
+	_contentBuffer->bind();
+	_contentBuffer->allocate(kValues * sizeof(GLfloat));
+
+	_textures.ensureCreated(f);
+
+	_imageProgram.emplace();
+	LinkProgram(
+		&*_imageProgram,
+		VertexShader({
+			VertexViewportTransform(),
+			VertexPassTextureCoord(),
+		}),
+		FragmentShader({
+			FragmentSampleARGB32Texture(),
+		}));
+
 	_background.init(f);
 }
 
@@ -21,6 +76,9 @@ void OverlayWidget::RendererGL::deinit(
 		not_null<QOpenGLWidget*> widget,
 		QOpenGLFunctions &f) {
 	_background.deinit(f);
+	_textures.destroy(f);
+	_imageProgram = std::nullopt;
+	_contentBuffer = std::nullopt;
 }
 
 void OverlayWidget::RendererGL::resize(
@@ -46,6 +104,7 @@ void OverlayWidget::RendererGL::paint(
 	}
 	_f = &f;
 	_owner->paint(this);
+	_f = nullptr;
 }
 
 bool OverlayWidget::RendererGL::handleHideWorkaround(QOpenGLFunctions &f) {
@@ -67,6 +126,7 @@ void OverlayWidget::RendererGL::paintBackground() {
 	if (_owner->opaqueContentShown()) {
 		fill -= _owner->contentRect();
 	}
+	toggleBlending(false);
 	_background.fill(
 		*_f,
 		fill,
@@ -78,6 +138,11 @@ void OverlayWidget::RendererGL::paintBackground() {
 void OverlayWidget::RendererGL::paintTransformedVideoFrame(
 		QRect rect,
 		int rotation) {
+	paintTransformedStaticContent(
+		_owner->videoFrame(),
+		rect,
+		rotation,
+		false);
 }
 
 void OverlayWidget::RendererGL::paintTransformedStaticContent(
@@ -85,44 +150,131 @@ void OverlayWidget::RendererGL::paintTransformedStaticContent(
 		QRect rect,
 		int rotation,
 		bool fillTransparentBackground) {
+	AssertIsDebug(fillTransparentBackground);
+	auto texCoords = std::array<std::array<GLfloat, 2>, 4> { {
+		{ { 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(
+			texCoords.begin(),
+			texCoords.begin() + shift,
+			texCoords.end());
+	}
+
+	const auto geometry = transformRect(rect);
+	const GLfloat coords[] = {
+		geometry.left(), geometry.top(),
+		texCoords[0][0], texCoords[0][1],
+
+		geometry.right(), geometry.top(),
+		texCoords[1][0], texCoords[1][1],
+
+		geometry.right(), geometry.bottom(),
+		texCoords[2][0], texCoords[2][1],
+
+		geometry.left(), geometry.bottom(),
+		texCoords[3][0], texCoords[3][1],
+	};
+
+	_contentBuffer->bind();
+	_contentBuffer->write(0, coords, sizeof(coords));
+
+	_f->glUseProgram(_imageProgram->programId());
+	_imageProgram->setUniformValue("viewport", QSizeF(_viewport * _factor));
+	_imageProgram->setUniformValue("s_texture", GLint(0));
+
+	_f->glActiveTexture(GL_TEXTURE0);
+	_textures.bind(*_f, 0);
+	const auto cacheKey = image.cacheKey();
+	const auto upload = (_cacheKey != cacheKey);
+	if (upload) {
+		const auto stride = image.bytesPerLine() / 4;
+		const auto data = image.constBits();
+		uploadTexture(
+			GL_RGBA,
+			GL_RGBA,
+			image.size(),
+			_rgbaSize,
+			stride,
+			data);
+		_rgbaSize = image.size();
+		_ySize = QSize();
+	}
+
+	toggleBlending(false);
+	FillTexturedRectangle(*_f, &*_imageProgram);
+}
+
+void OverlayWidget::RendererGL::uploadTexture(
+		GLint internalformat,
+		GLint format,
+		QSize size,
+		QSize hasSize,
+		int stride,
+		const void *data) const {
+	_f->glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
+	if (hasSize != size) {
+		_f->glTexImage2D(
+			GL_TEXTURE_2D,
+			0,
+			internalformat,
+			size.width(),
+			size.height(),
+			0,
+			format,
+			GL_UNSIGNED_BYTE,
+			data);
+	} else {
+		_f->glTexSubImage2D(
+			GL_TEXTURE_2D,
+			0,
+			0,
+			0,
+			size.width(),
+			size.height(),
+			format,
+			GL_UNSIGNED_BYTE,
+			data);
+	}
+	_f->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
 }
 
 void OverlayWidget::RendererGL::paintRadialLoading(
 		QRect inner,
 		bool radial,
 		float64 radialOpacity) {
-	paintToCache(_radialCache, inner.size(), [&](Painter &&p) {
+	paintUsingRaster(_radialImage, inner, [&](Painter &&p) {
 		const auto newInner = QRect(QPoint(), inner.size());
 		_owner->paintRadialLoadingContent(p, newInner, radial, radialOpacity);
-	}, true);
-	//p.drawImage(inner.topLeft(), _radialCache);
+	}, kRadialLoadingOffset, true);
 }
 
 void OverlayWidget::RendererGL::paintThemePreview(QRect outer) {
-	paintToCache(_themePreviewCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_themePreviewImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		_owner->paintThemePreviewContent(p, newOuter, newOuter);
-	});
+	}, kThemePreviewOffset);
 }
 
 void OverlayWidget::RendererGL::paintDocumentBubble(
 		QRect outer,
 		QRect icon) {
-	paintToCache(_documentBubbleCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_documentBubbleImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		const auto newIcon = icon.translated(-outer.topLeft());
 		_owner->paintDocumentBubbleContent(p, newOuter, newIcon, newOuter);
-	});
-	//p.drawImage(outer.topLeft(), _documentBubbleCache);
+	}, kDocumentBubbleOffset);
 	_owner->paintRadialLoading(this);
 }
 
 void OverlayWidget::RendererGL::paintSaveMsg(QRect outer) {
-	paintToCache(_saveMsgCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_saveMsgImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		_owner->paintSaveMsgContent(p, newOuter, newOuter);
-	}, true);
-	//p.drawImage(outer.topLeft(), _saveMsgCache);
+	}, kSaveMsgOffset, true);
 }
 
 void OverlayWidget::RendererGL::paintControl(
@@ -132,52 +284,109 @@ void OverlayWidget::RendererGL::paintControl(
 		QRect inner,
 		float64 innerOpacity,
 		const style::icon &icon) {
-
+	AssertIsDebug(controls);
 }
 
 void OverlayWidget::RendererGL::paintFooter(QRect outer, float64 opacity) {
-	paintToCache(_footerCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_footerImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		_owner->paintFooterContent(p, newOuter, newOuter, opacity);
-	}, true);
-	//p.drawImage(outer, _footerCache, QRect(QPoint(), outer.size()) * factor);
+	}, kFooterOffset, true);
 }
 
 void OverlayWidget::RendererGL::paintCaption(QRect outer, float64 opacity) {
-	paintToCache(_captionCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_captionImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		_owner->paintCaptionContent(p, newOuter, newOuter, opacity);
-	});
-	//p.drawImage(outer, _captionCache, ...);
+	}, kCaptionOffset, true);
 }
 
 void OverlayWidget::RendererGL::paintGroupThumbs(
 		QRect outer,
 		float64 opacity) {
-	paintToCache(_groupThumbsCache, outer.size(), [&](Painter &&p) {
+	paintUsingRaster(_groupThumbsImage, outer, [&](Painter &&p) {
 		const auto newOuter = QRect(QPoint(), outer.size());
 		_owner->paintGroupThumbsContent(p, newOuter, newOuter, opacity);
-	});
+	}, kGroupThumbsOffset, true);
 }
 
-void OverlayWidget::RendererGL::paintToCache(
-		QImage &cache,
-		QSize size,
+void OverlayWidget::RendererGL::paintUsingRaster(
+		Ui::GL::Image &image,
+		QRect rect,
 		Fn<void(Painter&&)> method,
-		bool clear) {
-	if (cache.width() < size.width() * _factor
-		|| cache.height() < size.height() * _factor) {
-		cache = QImage(
-			size * _factor,
-			QImage::Format_ARGB32_Premultiplied);
-		cache.setDevicePixelRatio(_factor);
-	} else if (cache.devicePixelRatio() != _factor) {
-		cache.setDevicePixelRatio(_factor);
+		int bufferOffset,
+		bool transparent) {
+	auto raster = image.takeImage();
+	const auto size = rect.size() * _factor;
+	if (raster.width() < size.width() || raster.height() < size.height()) {
+		raster = QImage(size, QImage::Format_ARGB32_Premultiplied);
+		raster.setDevicePixelRatio(_factor);
+		if (!transparent
+			&& (raster.width() > size.width()
+				|| raster.height() > size.height())) {
+			raster.fill(Qt::transparent);
+		}
+	} else if (raster.devicePixelRatio() != _factor) {
+		raster.setDevicePixelRatio(_factor);
 	}
-	if (clear) {
-		cache.fill(Qt::transparent);
+
+	if (transparent) {
+		raster.fill(Qt::transparent);
 	}
-	method(Painter(&cache));
+	method(Painter(&raster));
+
+	image.setImage(std::move(raster));
+	image.bind(*_f, size);
+
+	const auto textured = image.texturedRect(rect, QRect(QPoint(), size));
+	const auto geometry = transformRect(textured.geometry);
+	const GLfloat coords[] = {
+		geometry.left(), geometry.top(),
+		textured.texture.left(), textured.texture.bottom(),
+
+		geometry.right(), geometry.top(),
+		textured.texture.right(), textured.texture.bottom(),
+
+		geometry.right(), geometry.bottom(),
+		textured.texture.right(), textured.texture.top(),
+
+		geometry.left(), geometry.bottom(),
+		textured.texture.left(), textured.texture.top(),
+	};
+	_contentBuffer->write(
+		bufferOffset * 4 * sizeof(GLfloat),
+		coords,
+		sizeof(coords));
+
+	_f->glUseProgram(_imageProgram->programId());
+	_imageProgram->setUniformValue("viewport", QSizeF(_viewport * _factor));
+	_imageProgram->setUniformValue("s_texture", GLint(0));
+
+	_f->glActiveTexture(GL_TEXTURE0);
+	image.bind(*_f, size);
+
+	toggleBlending(transparent);
+	FillTexturedRectangle(*_f, &*_imageProgram, bufferOffset);
+}
+
+void OverlayWidget::RendererGL::toggleBlending(bool enabled) {
+	if (_blendingEnabled == enabled) {
+		return;
+	} else if (enabled) {
+		_f->glEnable(GL_BLEND);
+		_f->glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+	} else {
+		_f->glDisable(GL_BLEND);
+	}
+	_blendingEnabled = enabled;
+}
+
+Rect OverlayWidget::RendererGL::transformRect(const Rect &raster) const {
+	return TransformRect(raster, _viewport, _factor);
+}
+
+Rect OverlayWidget::RendererGL::transformRect(const QRect &raster) const {
+	return TransformRect(Rect(raster), _viewport, _factor);
 }
 
 } // namespace Media::View
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.h b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.h
index 3db11a6368..2400b3a52e 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_opengl.h
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_opengl.h
@@ -9,14 +9,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "media/view/media_view_overlay_renderer.h"
 #include "ui/gl/gl_surface.h"
+#include "ui/gl/gl_image.h"
 #include "ui/gl/gl_primitives.h"
 
+#include <QtGui/QOpenGLBuffer>
+
 namespace Media::View {
 
 class OverlayWidget::RendererGL final : public OverlayWidget::Renderer {
 public:
-	RendererGL(not_null<OverlayWidget*> owner) : _owner(owner) {
-	}
+	explicit RendererGL(not_null<OverlayWidget*> owner);
 
 	void init(
 		not_null<QOpenGLWidget*> widget,
@@ -65,11 +67,26 @@ private:
 	void paintCaption(QRect outer, float64 opacity) override;
 	void paintGroupThumbs(QRect outer, float64 opacity) override;
 
-	void paintToCache(
-		QImage &cache,
-		QSize size,
+	void paintUsingRaster(
+		Ui::GL::Image &image,
+		QRect rect,
 		Fn<void(Painter&&)> method,
-		bool clear = false);
+		int bufferOffset,
+		bool transparent = false);
+
+	void toggleBlending(bool enabled);
+
+	[[nodiscard]] Ui::GL::Rect transformRect(const QRect &raster) const;
+	[[nodiscard]] Ui::GL::Rect transformRect(
+		const Ui::GL::Rect &raster) const;
+
+	void uploadTexture(
+		GLint internalformat,
+		GLint format,
+		QSize size,
+		QSize hasSize,
+		int stride,
+		const void *data) const;
 
 	const not_null<OverlayWidget*> _owner;
 
@@ -78,13 +95,24 @@ private:
 	QSize _viewport;
 	float _factor = 1.;
 
-	QImage _radialCache;
-	QImage _documentBubbleCache;
-	QImage _themePreviewCache;
-	QImage _saveMsgCache;
-	QImage _footerCache;
-	QImage _captionCache;
-	QImage _groupThumbsCache;
+	std::optional<QOpenGLBuffer> _contentBuffer;
+	std::optional<QOpenGLShaderProgram> _imageProgram;
+
+	Ui::GL::Textures<3> _textures;
+	QSize _rgbaSize;
+	QSize _ySize;
+	quint64 _cacheKey = 0;
+
+	Ui::GL::Image _radialImage;
+	Ui::GL::Image _documentBubbleImage;
+	Ui::GL::Image _themePreviewImage;
+	Ui::GL::Image _saveMsgImage;
+	Ui::GL::Image _footerImage;
+	Ui::GL::Image _captionImage;
+	Ui::GL::Image _groupThumbsImage;
+	bool _blendingEnabled = false;
+
+	rpl::lifetime _lifetime;
 
 };
 
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_raster.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_raster.cpp
index a8675c9c4b..9d0bc291f2 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_raster.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_raster.cpp
@@ -24,6 +24,8 @@ void OverlayWidget::RendererSW::paintFallback(
 	_clip = &clip;
 	_clipOuter = clip.boundingRect();
 	_owner->paint(this);
+	_p = nullptr;
+	_clip = nullptr;
 }
 
 void OverlayWidget::RendererSW::paintBackground() {
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_raster.h b/Telegram/SourceFiles/media/view/media_view_overlay_raster.h
index 052b776d23..1b9ecd9d05 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_raster.h
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_raster.h
@@ -14,7 +14,7 @@ namespace Media::View {
 
 class OverlayWidget::RendererSW final : public OverlayWidget::Renderer {
 public:
-	RendererSW(not_null<OverlayWidget*> owner);
+	explicit RendererSW(not_null<OverlayWidget*> owner);
 
 	void paintFallback(
 		Painter &&p,
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index e1a18991d7..f10ae26f97 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -3121,7 +3121,7 @@ Ui::GL::ChosenRenderer OverlayWidget::chooseRenderer(
 		? true
 		: capabilities.transparency;
 	LOG(("OpenGL: %1 (OverlayWidget)").arg(Logs::b(use)));
-	if (use && false) {
+	if (use) {
 		auto renderer = std::make_unique<RendererGL>(this);
 		_opengl = true;
 		return {
@@ -3160,7 +3160,7 @@ void OverlayWidget::paint(not_null<Renderer*> renderer) {
 		paintRadialLoading(renderer);
 	} else if (_themePreviewShown) {
 		renderer->paintThemePreview(_themePreviewRect);
-	} else if (documentBubbleShown()) {
+	} else if (documentBubbleShown() && !_docRect.isEmpty()) {
 		renderer->paintDocumentBubble(_docRect, _docIconRect);
 	}
 	updateSaveMsgState();
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 8b7aa44226..0df1579d4a 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 8b7aa442268a4928f7582d97b33cb624b29d0cde
+Subproject commit 0df1579d4a2fe7b18419e5025db380250c86cc53