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			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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| 
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| #pragma once
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| 
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| #include "Texture.h"
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| 
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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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| 
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| namespace GL {
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| 
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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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| 
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|     virtual bool is_texture_2d() const override { return true; }
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| 
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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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| 
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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.back();
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| 
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|         return m_mipmaps.at(lod);
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|     }
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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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| 
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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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| 
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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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| }
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