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test/source/blender/gpu/intern/gpu_storage_buffer.cc

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2.9 KiB
C++

/* SPDX-FileCopyrightText: 2022 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*/
#include "MEM_guardedalloc.h"
#include <cstring>
#include "BLI_string.h"
#include "BKE_global.hh"
#include "gpu_backend.hh"
#include "GPU_storage_buffer.hh"
#include "GPU_vertex_buffer.hh" /* For GPUUsageType. */
#include "gpu_context_private.hh"
#include "gpu_storage_buffer_private.hh"
/* -------------------------------------------------------------------- */
/** \name Creation & Deletion
* \{ */
namespace blender::gpu {
StorageBuf::StorageBuf(size_t size, const char *name)
{
/* Make sure that UBO is padded to size of vec4 */
BLI_assert((size % 16) == 0);
size_in_bytes_ = size;
STRNCPY(name_, name);
}
StorageBuf::~StorageBuf()
{
MEM_SAFE_FREE(data_);
}
} // namespace blender::gpu
/** \} */
/* -------------------------------------------------------------------- */
/** \name C-API
* \{ */
using namespace blender::gpu;
GPUStorageBuf *GPU_storagebuf_create_ex(size_t size,
const void *data,
GPUUsageType usage,
const char *name)
{
StorageBuf *ssbo = GPUBackend::get()->storagebuf_alloc(size, usage, name);
/* Direct init. */
if (data != nullptr) {
ssbo->update(data);
}
else if (G.debug & G_DEBUG_GPU) {
/* Fill the buffer with poison values.
* (NaN for floats, -1 for `int` and "max value" for `uint`). */
blender::Vector<uchar> uninitialized_data(size, 0xFF);
ssbo->update(uninitialized_data.data());
}
return wrap(ssbo);
}
void GPU_storagebuf_free(GPUStorageBuf *ssbo)
{
delete unwrap(ssbo);
}
void GPU_storagebuf_update(GPUStorageBuf *ssbo, const void *data)
{
unwrap(ssbo)->update(data);
}
void GPU_storagebuf_bind(GPUStorageBuf *ssbo, int slot)
{
unwrap(ssbo)->bind(slot);
}
void GPU_storagebuf_unbind(GPUStorageBuf *ssbo)
{
unwrap(ssbo)->unbind();
}
void GPU_storagebuf_debug_unbind_all()
{
Context::get()->debug_unbind_all_ssbo();
}
void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo)
{
GPU_storagebuf_clear(ssbo, 0);
}
void GPU_storagebuf_clear(GPUStorageBuf *ssbo, uint32_t clear_value)
{
unwrap(ssbo)->clear(clear_value);
}
void GPU_storagebuf_copy_sub_from_vertbuf(GPUStorageBuf *ssbo,
blender::gpu::VertBuf *src,
uint dst_offset,
uint src_offset,
uint copy_size)
{
unwrap(ssbo)->copy_sub(src, dst_offset, src_offset, copy_size);
}
void GPU_storagebuf_sync_to_host(GPUStorageBuf *ssbo)
{
unwrap(ssbo)->async_flush_to_host();
}
void GPU_storagebuf_read(GPUStorageBuf *ssbo, void *data)
{
unwrap(ssbo)->read(data);
}
void GPU_storagebuf_sync_as_indirect_buffer(GPUStorageBuf *ssbo)
{
unwrap(ssbo)->sync_as_indirect_buffer();
}
/** \} */