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Demos: Create demo for VirGL gpu device

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This is a simple demo for VirGL, that does the bare minimum required to
create and render a spinning cube (with one color per face).
This commit is contained in:
Sahan Fernando 2022-02-18 13:27:19 +11:00 • committed by Ali Mohammad Pur
parent 2939f65753
commit fd5eaf6494
8 changed files with 957 additions and 0 deletions
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37
Userland/Demos/VirGLDemo/Widget.cpp Normal file
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/*
* Copyright (c) 2022, Sahan Fernando <sahan.h.fernando@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Label.h>
#include <LibGUI/Painter.h>
#include "Widget.h"
Demo::Demo()
{
m_bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, { DRAWTARGET_WIDTH, DRAWTARGET_HEIGHT }).release_value_but_fixme_should_propagate_errors();
m_bitmap->fill(Gfx::Color::Black);
m_cycles = 0;
stop_timer();
start_timer(16);
}
Demo::~Demo() { }
void Demo::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.draw_scaled_bitmap(rect(), *m_bitmap, m_bitmap->rect());
}
void Demo::timer_event(Core::TimerEvent&)
{
m_cycles += 1;
update_frame(m_bitmap, m_cycles);
update();
}