63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "MEM_guardedalloc.h"
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#include "gpu_uniform_buffer_private.hh"
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#include "mtl_context.hh"
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namespace blender::gpu {
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class MTLStorageBuf;
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/**
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* Implementation of Uniform Buffers using Metal.
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*/
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class MTLUniformBuf : public UniformBuf {
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friend class MTLStorageBuf; /* For bind as SSBO resource access. */
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private:
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/* Allocation Handle. */
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gpu::MTLBuffer *metal_buffer_ = nullptr;
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/* Whether buffer has contents, if false, no GPU buffer will
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* have yet been allocated. */
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bool has_data_ = false;
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/* Bind-state tracking. */
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int bind_slot_ = -1;
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MTLContext *bound_ctx_ = nullptr;
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/* SSBO wrapper for bind_as_ssbo support. */
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MTLStorageBuf *ssbo_wrapper_ = nullptr;
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public:
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MTLUniformBuf(size_t size, const char *name);
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~MTLUniformBuf() override;
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void update(const void *data) override;
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void bind(int slot) override;
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void bind_as_ssbo(int slot) override;
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void unbind() override;
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void clear_to_zero() override;
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id<MTLBuffer> get_metal_buffer();
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size_t get_size();
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const char *get_name()
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{
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return name_;
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}
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MEM_CXX_CLASS_ALLOC_FUNCS("MTLUniformBuf");
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};
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} // namespace blender::gpu
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