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32 lines
827 B
C++
32 lines
827 B
C++
#include "gl/DrawBuffer.hpp"
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#include <map>
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#include <gl/gl_core_3_3.h>
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#include <gl/GeometryBuffer.hpp>
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DrawBuffer::DrawBuffer() : vao(0) {
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}
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DrawBuffer::~DrawBuffer() {
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if (vao) {
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glDeleteVertexArrays(1, &vao);
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}
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}
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void DrawBuffer::addGeometry(GeometryBuffer* gbuff) {
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if (vao == 0) {
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glGenVertexArrays(1, &vao);
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}
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glBindVertexArray(vao);
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glBindBuffer(GL_ARRAY_BUFFER, gbuff->getVBOName());
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// Iterate the attributes present in the gbuff
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for (const AttributeIndex& at : gbuff->getDataAttributes()) {
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auto vaoindex = static_cast<GLuint>(at.sem);
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glEnableVertexAttribArray(vaoindex);
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glVertexAttribPointer(vaoindex, static_cast<GLint>(at.size), at.type, GL_TRUE, at.stride,
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reinterpret_cast<void*>(at.offset));
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}
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}
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