56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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* Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
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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 "Texture.h"
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#include <AK/Array.h>
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#include <AK/RefCounted.h>
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#include <AK/Vector.h>
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#include <LibGL/GL/gl.h>
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#include <LibGL/Tex/MipMap.h>
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#include <LibGL/Tex/Sampler2D.h>
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#include <LibGfx/Vector2.h>
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#include <LibGfx/Vector4.h>
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namespace GL {
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class Texture2D final : public Texture {
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public:
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// FIXME: These shouldn't really belong here, they're context specific.
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static constexpr u16 MAX_TEXTURE_SIZE = 2048;
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static constexpr u8 LOG2_MAX_TEXTURE_SIZE = 11;
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virtual bool is_texture_2d() const override { return true; }
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void upload_texture_data(GLuint lod, GLint internal_format, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid const* pixels, GLsizei pixels_per_row, u8 byte_alignment);
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void replace_sub_texture_data(GLuint lod, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid const* pixels, GLsizei pixels_per_row, u8 byte_alignment);
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MipMap const& mipmap(unsigned lod) const
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{
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if (lod >= m_mipmaps.size())
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return m_mipmaps.last();
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return m_mipmaps.at(lod);
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}
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GLenum internal_format() const { return m_internal_format; }
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Sampler2D const& sampler() const { return m_sampler; }
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Sampler2D& sampler() { return m_sampler; }
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int width_at_lod(unsigned level) const { return (level >= m_mipmaps.size()) ? 0 : m_mipmaps.at(level).width(); }
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int height_at_lod(unsigned level) const { return (level >= m_mipmaps.size()) ? 0 : m_mipmaps.at(level).height(); }
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private:
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// FIXME: Mipmaps are currently unused, but we have the plumbing for it at least
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Array<MipMap, LOG2_MAX_TEXTURE_SIZE> m_mipmaps;
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GLenum m_internal_format;
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Sampler2D m_sampler;
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};
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}
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