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