9fbf7e9ec2
This is the first step into merging `DRW_gpu_wrapper.hh` into the GPU module. This is very similar to #119825. Pull Request: https://projects.blender.org/blender/blender/pulls/144328
56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/* SPDX-FileCopyrightText: 2020 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 "BLI_sys_types.h"
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namespace blender::gpu {
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#ifndef NDEBUG
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# define DEBUG_NAME_LEN 64
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#else
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# define DEBUG_NAME_LEN 8
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#endif
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/**
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* Implementation of Uniform Buffers.
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* Base class which is then specialized for each implementation (GL, VK, ...).
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*/
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class UniformBuf {
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protected:
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/** Data size in bytes. */
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size_t size_in_bytes_;
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/** Continuous memory block to copy to GPU. This data is owned by the UniformBuf. */
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void *data_ = nullptr;
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/** Debugging name */
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char name_[DEBUG_NAME_LEN];
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public:
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UniformBuf(size_t size, const char *name);
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virtual ~UniformBuf();
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virtual void update(const void *data) = 0;
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virtual void clear_to_zero() = 0;
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virtual void bind(int slot) = 0;
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virtual void bind_as_ssbo(int slot) = 0;
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virtual void unbind() = 0;
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/** Used to defer data upload at drawing time.
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* This is useful if the thread has no context bound.
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* This transfers ownership to this UniformBuf. */
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void attach_data(void *data)
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{
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data_ = data;
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}
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};
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#undef DEBUG_NAME_LEN
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} // namespace blender::gpu
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