AyuGramDesktop/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.h
2021-05-24 22:45:16 +04:00

67 lines
1.7 KiB
C++

/*
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/gl/gl_surface.h"
#include <QtGui/QOpenGLBuffer>
#include <QtGui/QOpenGLShaderProgram>
namespace Calls::Group {
class Viewport::RendererGL final : public Ui::GL::Renderer {
public:
explicit RendererGL(not_null<Viewport*> owner);
void free(const Textures &textures);
void init(
not_null<QOpenGLWidget*> widget,
not_null<QOpenGLFunctions*> f) override;
void deinit(
not_null<QOpenGLWidget*> widget,
not_null<QOpenGLFunctions*> f) override;
void resize(
not_null<QOpenGLWidget*> widget,
not_null<QOpenGLFunctions*> f,
int w,
int h) override;
void paint(
not_null<QOpenGLWidget*> widget,
not_null<QOpenGLFunctions*> f) override;
private:
void fillBackground(not_null<QOpenGLFunctions*> f);
void paintTile(
not_null<QOpenGLFunctions*> f,
not_null<VideoTile*> tile);
void freeTextures(not_null<QOpenGLFunctions*> f);
[[nodiscard]] QRect tileGeometry(not_null<VideoTile*> tile) const;
void ensureARGB32Program();
const not_null<Viewport*> _owner;
GLfloat _factor = 1.;
QSize _viewport;
std::optional<QOpenGLBuffer> _frameBuffer;
std::optional<QOpenGLBuffer> _bgBuffer;
std::optional<QOpenGLShaderProgram> _argb32Program;
std::optional<QOpenGLShaderProgram> _yuv420Program;
std::optional<QOpenGLShaderProgram> _bgProgram;
QOpenGLShader *_frameVertexShader = nullptr;
std::vector<GLfloat> _bgTriangles;
std::vector<Textures> _texturesToFree;
};
} // namespace Calls::Group