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LibGL: Refactor TextureNameAllocator to a more general NameAllocator
This functionality can also be used for other types of objects.
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9a0bb8212a
commit
892006218a
7 changed files with 67 additions and 61 deletions
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/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGL/Tex/NameAllocator.h>
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namespace GL {
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void TextureNameAllocator::allocate(GLsizei count, GLuint* textures)
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{
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for (auto i = 0; i < count; ++i) {
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if (!m_free_texture_names.is_empty()) {
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textures[i] = m_free_texture_names.top();
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m_free_texture_names.pop();
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} else {
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// We're out of free previously allocated names. Let's allocate a new contiguous amount from the
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// last known texture name
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textures[i] = m_last_texture_id++;
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}
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}
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}
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void TextureNameAllocator::free(GLuint texture)
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{
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m_free_texture_names.push(texture);
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}
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}
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/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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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/Stack.h>
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#include <LibGL/GL/gl.h>
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namespace GL {
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class TextureNameAllocator {
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public:
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TextureNameAllocator() = default;
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void allocate(GLsizei count, GLuint* textures);
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void free(GLuint texture);
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private:
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Stack<GLuint, 512> m_free_texture_names;
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GLuint m_last_texture_id { 1 };
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};
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}
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