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https://github.com/fergalmoran/ladybird.git
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048e179572
This change introduces GL.h with error check wrappers for all the OpenGL functions we used so far. For now, the error check is simply: `VERIFY(glGetError() == GL_NO_ERROR);` but that is better than continuing execution after encounting an error.
45 lines
921 B
C++
45 lines
921 B
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibAccelGfx/Canvas.h>
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#include <LibAccelGfx/GL.h>
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#include <LibGfx/Bitmap.h>
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namespace AccelGfx {
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Canvas Canvas::create(Context& context, NonnullRefPtr<Gfx::Bitmap> bitmap)
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{
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VERIFY(bitmap->format() == Gfx::BitmapFormat::BGRA8888);
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Canvas canvas { move(bitmap), context };
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canvas.initialize();
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return canvas;
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}
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Canvas::Canvas(NonnullRefPtr<Gfx::Bitmap> bitmap, Context& context)
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: m_bitmap(move(bitmap))
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, m_context(context)
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{
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}
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void Canvas::initialize()
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{
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m_surface = m_context.create_surface(width(), height());
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m_context.set_active_surface(m_surface);
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GL::set_viewport({ 0, 0, width(), height() });
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}
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void Canvas::flush()
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{
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GL::read_pixels({ 0, 0, width(), height() }, *m_bitmap);
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}
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Canvas::~Canvas()
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{
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m_context.destroy_surface(m_surface);
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}
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}
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