mirror of
https://github.com/RGBCube/serenity
synced 2025-05-15 22:54:57 +00:00
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
|
|
* Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Texture.h"
|
|
|
|
#include <AK/Array.h>
|
|
#include <AK/RefCounted.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibGL/GL/gl.h>
|
|
#include <LibGL/Tex/MipMap.h>
|
|
#include <LibGL/Tex/Sampler2D.h>
|
|
#include <LibGfx/Vector2.h>
|
|
#include <LibGfx/Vector4.h>
|
|
|
|
namespace GL {
|
|
|
|
class Texture2D final : public Texture {
|
|
public:
|
|
// FIXME: These shouldn't really belong here, they're context specific.
|
|
static constexpr u16 MAX_TEXTURE_SIZE = 2048;
|
|
static constexpr u8 LOG2_MAX_TEXTURE_SIZE = 11;
|
|
|
|
public:
|
|
Texture2D()
|
|
: m_sampler(*this)
|
|
{
|
|
}
|
|
~Texture2D() { }
|
|
|
|
virtual bool is_texture_2d() const override { return true; }
|
|
|
|
void upload_texture_data(GLuint lod, GLint internal_format, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels, size_t pixels_per_row);
|
|
void replace_sub_texture_data(GLuint lod, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels, size_t pixels_per_row);
|
|
|
|
MipMap const& mipmap(unsigned lod) const;
|
|
|
|
GLenum internal_format() const { return m_internal_format; }
|
|
Sampler2D const& sampler() const { return m_sampler; }
|
|
Sampler2D& sampler() { return m_sampler; }
|
|
|
|
int width_at_lod(unsigned level) const { return (level >= m_mipmaps.size()) ? 0 : max(1, m_mipmaps.at(level).width() >> level); }
|
|
int height_at_lod(unsigned level) const { return (level >= m_mipmaps.size()) ? 0 : max(1, m_mipmaps.at(level).height() >> level); }
|
|
|
|
private:
|
|
template<typename TCallback>
|
|
void swizzle(Vector<u32>& pixels, TCallback&& callback)
|
|
{
|
|
for (auto& pixel : pixels)
|
|
pixel = callback(pixel);
|
|
}
|
|
|
|
private:
|
|
// FIXME: Mipmaps are currently unused, but we have the plumbing for it at least
|
|
Array<MipMap, LOG2_MAX_TEXTURE_SIZE> m_mipmaps;
|
|
GLenum m_internal_format;
|
|
Sampler2D m_sampler;
|
|
};
|
|
|
|
}
|