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0836912a6d
This commit implements glClipPlane and its supporting calls, backed by new support for user-defined clip planes in the software GPU clipper. This fixes some visual bugs seen in the Quake III port, in which mirrors would only reflect correctly from close distances.
40 lines
882 B
C++
40 lines
882 B
C++
/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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* Copyright (c) 2022, the SerenityOS developers.
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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/Vector.h>
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#include <LibGPU/Vertex.h>
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#include <LibGfx/Vector4.h>
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namespace SoftGPU {
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class Clipper final {
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public:
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enum class ClipPlane : u8 {
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Left = 0,
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Right,
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Top,
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Bottom,
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Near,
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Far,
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User, // Within view space
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};
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Clipper() = default;
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void clip_points_against_frustum(Vector<GPU::Vertex>& vertices);
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bool clip_line_against_frustum(GPU::Vertex& from, GPU::Vertex& to);
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void clip_triangle_against_frustum(Vector<GPU::Vertex>& input_vecs);
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void clip_triangle_against_user_defined(Vector<GPU::Vertex>& input_verts, Vector<FloatVector4>& user_planes);
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private:
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Vector<GPU::Vertex> m_vertex_buffer;
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};
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}
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