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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "rtcore_device.h"
RTC_NAMESPACE_BEGIN
/* Types of buffers */
enum RTCBufferType
{
RTC_BUFFER_TYPE_INDEX = 0,
RTC_BUFFER_TYPE_VERTEX = 1,
RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE = 2,
RTC_BUFFER_TYPE_NORMAL = 3,
RTC_BUFFER_TYPE_TANGENT = 4,
RTC_BUFFER_TYPE_NORMAL_DERIVATIVE = 5,
RTC_BUFFER_TYPE_GRID = 8,
RTC_BUFFER_TYPE_FACE = 16,
RTC_BUFFER_TYPE_LEVEL = 17,
RTC_BUFFER_TYPE_EDGE_CREASE_INDEX = 18,
RTC_BUFFER_TYPE_EDGE_CREASE_WEIGHT = 19,
RTC_BUFFER_TYPE_VERTEX_CREASE_INDEX = 20,
RTC_BUFFER_TYPE_VERTEX_CREASE_WEIGHT = 21,
RTC_BUFFER_TYPE_HOLE = 22,
RTC_BUFFER_TYPE_TRANSFORM = 23,
RTC_BUFFER_TYPE_FLAGS = 32
};
/* Opaque buffer type */
typedef struct RTCBufferTy* RTCBuffer;
/* Creates a new buffer. */
RTC_API RTCBuffer rtcNewBuffer(RTCDevice device, size_t byteSize);
/* Creates a new buffer using explicit host device memory. */
RTC_API RTCBuffer rtcNewBufferHostDevice(RTCDevice device, size_t byteSize);
/* Creates a new shared buffer. */
RTC_API RTCBuffer rtcNewSharedBuffer(RTCDevice device, void* ptr, size_t byteSize);
/* Creates a new shared buffer using explicit host device memory. */
RTC_API RTCBuffer rtcNewSharedBufferHostDevice(RTCDevice device, void* ptr, size_t byteSize);
/* Synchronize host and device memory by copying data from host to device. */
RTC_API void rtcCommitBuffer(RTCBuffer buffer);
#if defined(EMBREE_SYCL_SUPPORT) && defined(SYCL_LANGUAGE_VERSION)
RTC_API_CPP sycl::event rtcCommitBufferWithQueue(RTCBuffer buffer, sycl::queue queue);
#endif
/* Returns a pointer to the buffer data. */
RTC_API void* rtcGetBufferData(RTCBuffer buffer);
/* Returns a pointer to the buffer data on the device. Returns the same pointer as
rtcGetBufferData if the device is no SYCL device or if Embree is executed on a
system with unified memory (e.g., iGPUs). */
RTC_API void* rtcGetBufferDataDevice(RTCBuffer buffer);
/* Retains the buffer (increments the reference count). */
RTC_API void rtcRetainBuffer(RTCBuffer buffer);
/* Releases the buffer (decrements the reference count). */
RTC_API void rtcReleaseBuffer(RTCBuffer buffer);
RTC_NAMESPACE_END
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