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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*/
#pragma once
#include "MEM_guardedalloc.h"
#include "gpu_uniform_buffer_private.hh"
#include "mtl_context.hh"
namespace blender::gpu {
/**
* Implementation of Uniform Buffers using Metal.
**/
class MTLUniformBuf : public UniformBuf {
private:
/* Allocation Handle. */
gpu::MTLBuffer *metal_buffer_ = nullptr;
/* Whether buffer has contents, if false, no GPU buffer will
* have yet been allocated. */
bool has_data_ = false;
/* Bindstate tracking. */
int bind_slot_ = -1;
MTLContext *bound_ctx_ = nullptr;
public:
MTLUniformBuf(size_t size, const char *name);
~MTLUniformBuf();
void update(const void *data) override;
void bind(int slot) override;
void unbind() override;
id<MTLBuffer> get_metal_buffer(int *r_offset);
int get_size();
const char *get_name()
{
return name_;
}
MEM_CXX_CLASS_ALLOC_FUNCS("MTLUniformBuf");
};
} // namespace blender::gpu
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