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#pragma once
#include <mbgl/gl/object.hpp>
#include <mbgl/gl/primitives.hpp>
#include <mbgl/gl/draw_mode.hpp>
#include <mbgl/util/ignore.hpp>
#include <vector>
namespace mbgl {
namespace gl {
template <class V, class DrawMode = Indexed>
class VertexVector {
public:
using Vertex = V;
static constexpr std::size_t groupSize = DrawMode::bufferGroupSize;
template <class... Args>
void emplace_back(Args&&... args) {
static_assert(sizeof...(args) == groupSize, "wrong buffer element count");
util::ignore({(v.emplace_back(std::forward<Args>(args)), 0)...});
}
std::size_t vertexSize() const { return v.size(); }
std::size_t byteSize() const { return v.size() * sizeof(Vertex); }
bool empty() const { return v.empty(); }
void clear() { v.clear(); }
const Vertex* data() const { return v.data(); }
const std::vector<Vertex>& vector() const { return v; }
private:
std::vector<Vertex> v;
};
template <class V, class DrawMode = Indexed>
class VertexBuffer {
public:
using Vertex = V;
static constexpr std::size_t vertexSize = sizeof(Vertex);
std::size_t vertexCount;
UniqueBuffer buffer;
};
} // namespace gl
} // namespace mbgl
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