Clément Foucault
33c5adba62
This allows using the Graphic API to copy buffer data. The GPU module do not expose untyped buffers even if that's what most API do, so the copy function need to be strongly typed. Contains GL backend implementation.
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
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 "MEM_guardedalloc.h"
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#include <cstring>
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#include "BLI_blenlib.h"
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#include "BLI_math_base.h"
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#include "gpu_backend.hh"
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#include "gpu_node_graph.h"
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#include "GPU_material.h"
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#include "GPU_vertex_buffer.h" /* For GPUUsageType. */
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#include "GPU_storage_buffer.h"
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#include "gpu_storage_buffer_private.hh"
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#include "gpu_vertex_buffer_private.hh"
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/* -------------------------------------------------------------------- */
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/** \name Creation & Deletion
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* \{ */
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namespace blender::gpu {
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StorageBuf::StorageBuf(size_t size, const char *name)
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{
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/* Make sure that UBO is padded to size of vec4 */
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BLI_assert((size % 16) == 0);
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size_in_bytes_ = size;
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BLI_strncpy(name_, name, sizeof(name_));
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}
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StorageBuf::~StorageBuf()
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{
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MEM_SAFE_FREE(data_);
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}
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} // namespace blender::gpu
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/** \} */
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/* -------------------------------------------------------------------- */
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/** \name C-API
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* \{ */
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using namespace blender::gpu;
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GPUStorageBuf *GPU_storagebuf_create_ex(size_t size,
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const void *data,
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GPUUsageType usage,
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const char *name)
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{
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StorageBuf *ssbo = GPUBackend::get()->storagebuf_alloc(size, usage, name);
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/* Direct init. */
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if (data != nullptr) {
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ssbo->update(data);
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}
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return wrap(ssbo);
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}
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void GPU_storagebuf_free(GPUStorageBuf *ssbo)
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{
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delete unwrap(ssbo);
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}
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void GPU_storagebuf_update(GPUStorageBuf *ssbo, const void *data)
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{
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unwrap(ssbo)->update(data);
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}
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void GPU_storagebuf_bind(GPUStorageBuf *ssbo, int slot)
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{
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unwrap(ssbo)->bind(slot);
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}
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void GPU_storagebuf_unbind(GPUStorageBuf *ssbo)
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{
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unwrap(ssbo)->unbind();
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}
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void GPU_storagebuf_unbind_all()
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{
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/* FIXME */
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}
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void GPU_storagebuf_clear(GPUStorageBuf *ssbo,
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eGPUTextureFormat internal_format,
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eGPUDataFormat data_format,
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void *data)
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{
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unwrap(ssbo)->clear(internal_format, data_format, data);
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}
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void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo)
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{
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uint32_t data = 0u;
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GPU_storagebuf_clear(ssbo, GPU_R32UI, GPU_DATA_UINT, &data);
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}
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void GPU_storagebuf_copy_sub_from_vertbuf(
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GPUStorageBuf *ssbo, GPUVertBuf *src, uint dst_offset, uint src_offset, uint copy_size)
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{
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unwrap(ssbo)->copy_sub(unwrap(src), dst_offset, src_offset, copy_size);
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}
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/** \} */
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