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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#ifndef __RTC_BUFFER_ISPH__
#define __RTC_BUFFER_ISPH__
#include "rtcore_device.isph"
/* 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 uniform struct RTCBufferTy* uniform RTCBuffer;
/* Creates a new buffer. */
RTC_API RTCBuffer rtcNewBuffer(RTCDevice device, uniform uintptr_t byteSize);
/* Creates a new buffer using explicit host device memory. */
RTC_API RTCBuffer rtcNewBufferHostDevice(RTCDevice device, uniform size_t byteSize);
/* Creates a new shared buffer. */
RTC_API RTCBuffer rtcNewSharedBuffer(RTCDevice device, void* uniform ptr, uniform uintptr_t byteSize);
/* Creates a new shared buffer using explicit host device memory. */
RTC_API RTCBuffer rtcNewSharedBufferHostDevice(RTCDevice device, void* uniform ptr, uniform uintptr_t byteSize);
RTC_API void rtcCommitBuffer(RTCBuffer buffer);
/* Returns a pointer to the buffer data. */
RTC_API void* uniform 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* uniform rtcGetBufferDataDevice(RTCBuffer buffer);
/* Retains the buffer (increments the reference count). */
RTC_API void rtcRetainBuffer(RTCBuffer buffer);
/* Releases the buffer handle (decrements the reference count). */
RTC_API void rtcReleaseBuffer(RTCBuffer buffer);
#endif
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