57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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#include <LibSoftGPU/Buffer/Typed2DBuffer.h>
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namespace SoftGPU {
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/*
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* The frame buffer is a 2D buffer that consists of:
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* - color buffer(s); (FIXME: implement multiple color buffers)
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* - depth buffer;
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* - stencil buffer;
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* - accumulation buffer. (FIXME: implement accumulation buffer)
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*/
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template<typename C, typename D, typename S>
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class FrameBuffer final : public RefCounted<FrameBuffer<C, D, S>> {
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public:
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static ErrorOr<NonnullRefPtr<FrameBuffer<C, D, S>>> try_create(Gfx::IntSize size)
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{
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Gfx::IntRect rect = { 0, 0, size.width(), size.height() };
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auto color_buffer = TRY(Typed2DBuffer<C>::try_create(size));
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auto depth_buffer = TRY(Typed2DBuffer<D>::try_create(size));
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auto stencil_buffer = TRY(Typed2DBuffer<S>::try_create(size));
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return adopt_ref(*new FrameBuffer(rect, color_buffer, depth_buffer, stencil_buffer));
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}
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NonnullRefPtr<Typed2DBuffer<C>> color_buffer() { return m_color_buffer; }
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NonnullRefPtr<Typed2DBuffer<D>> depth_buffer() { return m_depth_buffer; }
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NonnullRefPtr<Typed2DBuffer<S>> stencil_buffer() { return m_stencil_buffer; }
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Gfx::IntRect rect() const { return m_rect; }
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private:
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FrameBuffer(Gfx::IntRect rect, NonnullRefPtr<Typed2DBuffer<C>> color_buffer, NonnullRefPtr<Typed2DBuffer<D>> depth_buffer, NonnullRefPtr<Typed2DBuffer<S>> stencil_buffer)
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: m_color_buffer(color_buffer)
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, m_depth_buffer(depth_buffer)
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, m_stencil_buffer(stencil_buffer)
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, m_rect(rect)
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{
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}
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NonnullRefPtr<Typed2DBuffer<C>> m_color_buffer;
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NonnullRefPtr<Typed2DBuffer<D>> m_depth_buffer;
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NonnullRefPtr<Typed2DBuffer<S>> m_stencil_buffer;
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Gfx::IntRect m_rect;
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};
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}
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