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11c807ebd1
This implements an 8-bit front stencil buffer. Stencil operations are SIMD optimized. LibGL changes include: * New `glStencilMask` and `glStencilMaskSeparate` functions * New context parameter `GL_STENCIL_CLEAR_VALUE`
33 lines
679 B
C++
33 lines
679 B
C++
/*
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* Copyright (c) 2021, 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/FixedArray.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/Try.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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namespace SoftGPU {
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class StencilBuffer final {
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public:
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static ErrorOr<NonnullOwnPtr<StencilBuffer>> try_create(Gfx::IntSize const& size);
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void clear(Gfx::IntRect rect, u8 value);
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Gfx::IntRect const& rect() const { return m_rect; }
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u8* scanline(int y);
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private:
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StencilBuffer(Gfx::IntRect const& rect, FixedArray<u8> data);
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FixedArray<u8> m_data;
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Gfx::IntRect m_rect;
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};
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}
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