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#pragma once
#include <mbgl/gfx/vertex_vector.hpp>
#include <mbgl/gfx/vertex_buffer.hpp>
#include <mbgl/gfx/index_vector.hpp>
#include <mbgl/gfx/index_buffer.hpp>
#include <mbgl/gfx/types.hpp>
namespace mbgl {
namespace gfx {
class Context {
protected:
Context() = default;
public:
Context(Context&&) = delete;
Context(const Context&) = delete;
Context& operator=(Context&& other) = delete;
Context& operator=(const Context& other) = delete;
virtual ~Context() = default;
public:
template <class Vertex>
VertexBuffer<Vertex>
createVertexBuffer(VertexVector<Vertex>&& v,
const BufferUsageType usage = BufferUsageType::StaticDraw) {
return { v.elements(), createVertexBufferResource(v.data(), v.bytes(), usage) };
}
template <class Vertex>
void updateVertexBuffer(VertexBuffer<Vertex>& buffer, VertexVector<Vertex>&& v) {
assert(v.elements() == buffer.elements);
updateVertexBufferResource(*buffer.resource, v.data(), v.bytes());
}
template <class DrawMode>
IndexBuffer createIndexBuffer(IndexVector<DrawMode>&& v,
const BufferUsageType usage = BufferUsageType::StaticDraw) {
return { v.elements(), createIndexBufferResource(v.data(), v.bytes(), usage) };
}
template <class DrawMode>
void updateIndexBuffer(IndexBuffer& buffer, IndexVector<DrawMode>&& v) {
assert(v.elements() == buffer.elements);
updateIndexBufferResource(*buffer.resource, v.data(), v.bytes());
}
protected:
virtual std::unique_ptr<const VertexBufferResource>
createVertexBufferResource(const void* data, std::size_t size, const BufferUsageType) = 0;
virtual void
updateVertexBufferResource(const VertexBufferResource&, const void* data, std::size_t size) = 0;
virtual std::unique_ptr<const IndexBufferResource>
createIndexBufferResource(const void* data, std::size_t size, const BufferUsageType) = 0;
virtual void
updateIndexBufferResource(const IndexBufferResource&, const void* data, std::size_t size) = 0;
};
} // namespace gfx
} // namespace mbgl
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