e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/* SPDX-FileCopyrightText: 2022 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_storage_buffer_private.hh"
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#include "mtl_context.hh"
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namespace blender {
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namespace gpu {
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class MTLUniformBuf;
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class MTLVertBuf;
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class MTLIndexBuf;
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/**
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* Implementation of Storage Buffers using Metal.
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*/
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class MTLStorageBuf : public StorageBuf {
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private:
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/** Allocation Handle or indirect wrapped instance.
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* MTLStorageBuf can wrap a MTLVertBuf, MTLIndexBuf or MTLUniformBuf for binding as a writeable
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* resource. */
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enum {
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MTL_STORAGE_BUF_TYPE_DEFAULT = 0,
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MTL_STORAGE_BUF_TYPE_UNIFORMBUF = 1,
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MTL_STORAGE_BUF_TYPE_VERTBUF = 2,
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MTL_STORAGE_BUF_TYPE_INDEXBUF = 3,
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} storage_source_ = MTL_STORAGE_BUF_TYPE_DEFAULT;
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union {
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/** Own allocation. */
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gpu::MTLBuffer *metal_buffer_;
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/* Wrapped type. */
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MTLUniformBuf *uniform_buffer_;
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MTLVertBuf *vertex_buffer_;
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MTLIndexBuf *index_buffer_;
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};
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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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/** Usage type. */
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GPUUsageType usage_;
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public:
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MTLStorageBuf(size_t size, GPUUsageType usage, const char *name);
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~MTLStorageBuf();
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MTLStorageBuf(MTLUniformBuf *uniform_buf, size_t size);
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MTLStorageBuf(MTLVertBuf *uniform_buf, size_t size);
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MTLStorageBuf(MTLIndexBuf *uniform_buf, size_t size);
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void update(const void *data) override;
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void bind(int slot) override;
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void unbind() override;
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void clear(uint32_t clear_value) override;
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void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) override;
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void read(void *data) override;
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void init();
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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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private:
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MEM_CXX_CLASS_ALLOC_FUNCS("MTLStorageBuf");
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};
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} // namespace gpu
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} // namespace blender
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