init

Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "calls/group/calls_group_viewport.h"
+#include "ui/round_rect.h"
+#include "ui/effects/animations.h"
+#include "ui/effects/cross_line.h"
+#include "ui/gl/gl_primitives.h"
+#include "ui/gl/gl_surface.h"
+#include "ui/gl/gl_image.h"
+
+#include <QOpenGLBuffer>
+#include <QOpenGLShaderProgram>
+
+namespace Webrtc {
+struct FrameWithInfo;
+} // namespace Webrtc
+
+namespace Calls::Group {
+
+class Viewport::RendererGL final : public Ui::GL::Renderer {
+public:
+	explicit RendererGL(not_null<Viewport*> owner);
+
+	void init(QOpenGLFunctions &f) override;
+
+	void deinit(QOpenGLFunctions *f) override;
+
+	void paint(
+		not_null<QOpenGLWidget*> widget,
+		QOpenGLFunctions &f) override;
+
+	std::optional<QColor> clearColor() override;
+
+private:
+	struct TileData {
+		quintptr id = 0;
+		not_null<PeerData*> peer;
+		Ui::GL::Textures<5> textures;
+		Ui::GL::Framebuffers<2> framebuffers;
+		Ui::Animations::Simple outlined;
+		Ui::Animations::Simple paused;
+		QImage userpicFrame;
+		QRect nameRect;
+		int nameVersion = 0;
+		mutable int trackIndex = -1;
+		mutable QSize rgbaSize;
+		mutable QSize textureSize;
+		mutable QSize textureChromaSize;
+		mutable QSize textureBlurSize;
+		bool stale = false;
+		bool pause = false;
+		bool outline = false;
+	};
+	struct Program {
+		std::optional<QOpenGLShaderProgram> argb32;
+		std::optional<QOpenGLShaderProgram> yuv420;
+	};
+
+	void setDefaultViewport(QOpenGLFunctions &f);
+	void paintTile(
+		QOpenGLFunctions &f,
+		GLuint defaultFramebufferObject,
+		not_null<VideoTile*> tile,
+		TileData &nameData);
+	[[nodiscard]] Ui::GL::Rect transformRect(const QRect &raster) const;
+	[[nodiscard]] Ui::GL::Rect transformRect(
+		const Ui::GL::Rect &raster) const;
+
+	void ensureARGB32Program();
+	void ensureButtonsImage();
+	void prepareObjects(
+		QOpenGLFunctions &f,
+		TileData &tileData,
+		QSize blurSize);
+	void bindFrame(
+		QOpenGLFunctions &f,
+		const Webrtc::FrameWithInfo &data,
+		TileData &tileData,
+		Program &program);
+	void drawDownscalePass(
+		QOpenGLFunctions &f,
+		TileData &tileData);
+	void drawFirstBlurPass(
+		QOpenGLFunctions &f,
+		TileData &tileData,
+		QSize blurSize);
+	void validateDatas();
+	void validateNoiseTexture(
+		QOpenGLFunctions &f,
+		GLuint defaultFramebufferObject);
+	void validateOutlineAnimation(
+		not_null<VideoTile*> tile,
+		TileData &data);
+	void validatePausedAnimation(
+		not_null<VideoTile*> tile,
+		TileData &data);
+	void validateUserpicFrame(
+		not_null<VideoTile*> tile,
+		TileData &tileData);
+
+	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,
+		QSize tileSize) const;
+	[[nodiscard]] float64 countExpandRatio(
+		not_null<VideoTile*> tile,
+		QSize unscaled,
+		const TileAnimation &animation) const;
+
+	const not_null<Viewport*> _owner;
+
+	GLfloat _factor = 1.;
+	int _ifactor = 1;
+	QSize _viewport;
+	bool _rgbaFrame = false;
+	bool _userpicFrame;
+	std::optional<QOpenGLBuffer> _frameBuffer;
+	Program _downscaleProgram;
+	std::optional<QOpenGLShaderProgram> _blurProgram;
+	Program _frameProgram;
+	std::optional<QOpenGLShaderProgram> _imageProgram;
+	Ui::GL::Textures<1> _noiseTexture;
+	Ui::GL::Framebuffers<1> _noiseFramebuffer;
+	QOpenGLShader *_downscaleVertexShader = nullptr;
+	QOpenGLShader *_frameVertexShader = nullptr;
+
+	Ui::GL::Image _buttons;
+	QRect _pinOn;
+	QRect _pinOff;
+	QRect _back;
+	QRect _muteOn;
+	QRect _muteOff;
+	QRect _paused;
+
+	Ui::GL::Image _names;
+	QRect _pausedTextRect;
+	std::vector<TileData> _tileData;
+	std::vector<int> _tileDataIndices;
+
+	Ui::CrossLineAnimation _pinIcon;
+	Ui::CrossLineAnimation _muteIcon;
+
+	Ui::RoundRect _pinBackground;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Calls::Group