Jeroen Bakker
cf2c9fe186
VKPixelBuffer is used by external render engines to allocate buffers using the same GPU backend that Blender runs in. In a later stage we should test what exact binding flags are needed. I expect that it should be able to use as a transfer buffer to copy the pixels over to a texture using transfer commands. Pull Request: blender/blender#105741
44 lines
982 B
C++
44 lines
982 B
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2022 Blender Foundation. All rights reserved. */
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/** \file
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* \ingroup gpu
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*/
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#include "vk_pixel_buffer.hh"
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namespace blender::gpu {
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VKPixelBuffer::VKPixelBuffer(int64_t size) : PixelBuffer(size)
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{
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VKContext &context = *VKContext::get();
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buffer_.create(context,
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size,
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GPU_USAGE_STATIC,
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static_cast<VkBufferUsageFlagBits>(VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
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VK_BUFFER_USAGE_TRANSFER_DST_BIT));
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}
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void *VKPixelBuffer::map()
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{
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/* Vulkan buffers are always mapped between allocation and freeing. */
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return buffer_.mapped_memory_get();
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}
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void VKPixelBuffer::unmap()
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{
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/* Vulkan buffers are always mapped between allocation and freeing. */
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}
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int64_t VKPixelBuffer::get_native_handle()
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{
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return int64_t(buffer_.vk_handle());
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}
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uint VKPixelBuffer::get_size()
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{
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return size_;
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}
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} // namespace blender::gpu
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