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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#pragma once
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#include "ebo.h"
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#include "utils.h"
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ElementBufferObject::ElementBufferObject() {
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OPENGL_EXTRA_FUNCTIONS->glGenBuffers(1, &_id);
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}
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ElementBufferObject::ElementBufferObject(const std::vector<unsigned int>& indices) :
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_indices(indices) {
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OPENGL_EXTRA_FUNCTIONS->glGenBuffers(1, &_id);
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OPENGL_EXTRA_FUNCTIONS->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _id);
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OPENGL_EXTRA_FUNCTIONS->glBufferData(
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GL_ELEMENT_ARRAY_BUFFER,
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_indices.size() * sizeof(unsigned int),
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_indices.data(),
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GL_STATIC_DRAW
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);
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OPENGL_EXTRA_FUNCTIONS->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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}
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ElementBufferObject::ElementBufferObject(std::vector<unsigned int>&& indices) :
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_indices(std::move(indices)) {
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OPENGL_EXTRA_FUNCTIONS->glGenBuffers(1, &_id);
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OPENGL_EXTRA_FUNCTIONS->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _id);
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OPENGL_EXTRA_FUNCTIONS->glBufferData(
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GL_ELEMENT_ARRAY_BUFFER,
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_indices.size() * sizeof(unsigned int),
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_indices.data(),
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GL_STATIC_DRAW
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);
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OPENGL_EXTRA_FUNCTIONS->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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}
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inline void ElementBufferObject::dispose() const {
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OPENGL_EXTRA_FUNCTIONS->glDeleteBuffers(1, &_id);
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}
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