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feat: vertex array class

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This commit is contained in:
Amir Adal
2025-10-30 18:31:48 +01:00
parent c6d83c1b51
commit 9b26cf909b
5 changed files with 41 additions and 14 deletions
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17
engine/src/opengl/buffers.cpp
View File

@ -1,3 +1,4 @@
#include <cassert>
#include "engine/opengl/buffers.h"
namespace Core {
@ -73,6 +74,22 @@ namespace OpenGL {
InstanceBuffer::InstanceBuffer(BufferUsage usage)
: ArrayBuffer(usage) {}
VertexArray::VertexArray() : m_id(0) {
glGenVertexArrays(1, &m_id);
}
void VertexArray::Bind() {
assert(m_id != 0 && "Vertex Array wasn't initialized.");
glBindVertexArray(m_id);
}
void VertexArray::Unbind() {
assert(m_id != 0 && "Vertex Array wasn't initialized.");
glBindVertexArray(0);
}
} // namespace OpenGL
} // namespace Core

14
engine/src/renderer/mesh.cpp
View File

@ -5,15 +5,15 @@
namespace Core {
Mesh::Mesh() {
m_vao = 0;
// m_vao = 0;
m_vbo = 0;
m_ebo = 0;
glGenVertexArrays(1, &m_vao);
// glGenVertexArrays(1, &m_vao);
glGenBuffers(1, &m_vbo);
glGenBuffers(1, &m_ebo);
glBindVertexArray(m_vao);
Bind();
// VBO (vertex buffer)
glBindBuffer(GL_ARRAY_BUFFER, m_vbo);
@ -34,11 +34,11 @@ Mesh::Mesh() {
glEnableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
Unbind();
}
void Mesh::Upload() const {
glBindVertexArray(m_vao);
void Mesh::Upload() {
Bind();
glBindBuffer(GL_ARRAY_BUFFER, m_vbo);
glBufferData(GL_ARRAY_BUFFER, m_vertexBuffer.size() * sizeof(Vertex), m_vertexBuffer.data(), GL_DYNAMIC_DRAW);
@ -47,7 +47,7 @@ void Mesh::Upload() const {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer.size() * sizeof(unsigned int), m_indexBuffer.data(), GL_DYNAMIC_DRAW);
glBindVertexArray(0);
Unbind();
}
void Mesh::Render(unsigned int count)