41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#pragma once
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#include <GL/glew.h>
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#include "defines.hpp"
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struct VertexBuffer {
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VertexBuffer(void* data, uint32 numVertices) {
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glGenVertexArrays(1, &vao);
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glBindVertexArray(vao);
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glGenBuffers(1, &bufferId);
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glBindBuffer(GL_ARRAY_BUFFER, bufferId);
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glBufferData(GL_ARRAY_BUFFER, numVertices*sizeof(Vertex), data, GL_STATIC_DRAW);
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// POSITION
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*) offsetof(Vertex,x));
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// TEXTURE COORDINATES
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*) offsetof(Vertex,u));
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// COLOR
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glEnableVertexAttribArray(2);
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glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*) offsetof(Vertex,r));
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glBindVertexArray(0);
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};
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virtual ~VertexBuffer() {
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glDeleteBuffers(1, &bufferId);
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}
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void bind() {
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glBindVertexArray(vao);
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}
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void unbind() {
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glBindVertexArray(0);
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}
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private:
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GLuint bufferId;
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GLuint vao;
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}; |