214 lines
8.4 KiB
C++
214 lines
8.4 KiB
C++
// ======================================================================== //
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// Copyright 2009-2019 Intel Corporation //
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// //
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// Licensed under the Apache License, Version 2.0 (the "License"); //
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// you may not use this file except in compliance with the License. //
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// You may obtain a copy of the License at //
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// //
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// http://www.apache.org/licenses/LICENSE-2.0 //
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// //
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// Unless required by applicable law or agreed to in writing, software //
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// distributed under the License is distributed on an "AS IS" BASIS, //
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
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// See the License for the specific language governing permissions and //
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// limitations under the License. //
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// ======================================================================== //
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#pragma once
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "version.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#ifndef OIDN_API
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#if defined(_WIN32) && !defined(OIDN_STATIC_LIB)
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# define OIDN_API __declspec(dllimport)
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#else
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# define OIDN_API
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#endif
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#endif
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// ----------------------------------------------------------------------------
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// Device
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// ----------------------------------------------------------------------------
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// Device types
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typedef enum
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{
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OIDN_DEVICE_TYPE_DEFAULT = 0, // select device automatically
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OIDN_DEVICE_TYPE_CPU = 1, // CPU device
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} OIDNDeviceType;
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// Error codes
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typedef enum
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{
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OIDN_ERROR_NONE = 0, // no error occurred
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OIDN_ERROR_UNKNOWN = 1, // an unknown error occurred
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OIDN_ERROR_INVALID_ARGUMENT = 2, // an invalid argument was specified
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OIDN_ERROR_INVALID_OPERATION = 3, // the operation is not allowed
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OIDN_ERROR_OUT_OF_MEMORY = 4, // not enough memory to execute the operation
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OIDN_ERROR_UNSUPPORTED_HARDWARE = 5, // the hardware (e.g. CPU) is not supported
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OIDN_ERROR_CANCELLED = 6, // the operation was cancelled by the user
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} OIDNError;
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// Error callback function
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typedef void (*OIDNErrorFunction)(void* userPtr, OIDNError code, const char* message);
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// Device handle
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typedef struct OIDNDeviceImpl* OIDNDevice;
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// Creates a new device.
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OIDN_API OIDNDevice oidnNewDevice(OIDNDeviceType type);
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// Retains the device (increments the reference count).
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OIDN_API void oidnRetainDevice(OIDNDevice device);
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// Releases the device (decrements the reference count).
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OIDN_API void oidnReleaseDevice(OIDNDevice device);
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// Sets a boolean parameter of the device.
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OIDN_API void oidnSetDevice1b(OIDNDevice device, const char* name, bool value);
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// Sets an integer parameter of the device.
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OIDN_API void oidnSetDevice1i(OIDNDevice device, const char* name, int value);
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// Gets a boolean parameter of the device.
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OIDN_API bool oidnGetDevice1b(OIDNDevice device, const char* name);
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// Gets an integer parameter of the device (e.g. "version").
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OIDN_API int oidnGetDevice1i(OIDNDevice device, const char* name);
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// Sets the error callback function of the device.
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OIDN_API void oidnSetDeviceErrorFunction(OIDNDevice device, OIDNErrorFunction func, void* userPtr);
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// Returns the first unqueried error code stored in the device for the current
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// thread, optionally also returning a string message (if not NULL), and clears
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// the stored error. Can be called with a NULL device as well to check why a
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// device creation failed.
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OIDN_API OIDNError oidnGetDeviceError(OIDNDevice device, const char** outMessage);
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// Commits all previous changes to the device.
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// Must be called before first using the device (e.g. creating filters).
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OIDN_API void oidnCommitDevice(OIDNDevice device);
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// ----------------------------------------------------------------------------
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// Buffer
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// ----------------------------------------------------------------------------
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// Formats for images and other data stored in buffers
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typedef enum
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{
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OIDN_FORMAT_UNDEFINED = 0,
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// 32-bit single-precision floating point scalar and vector formats
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OIDN_FORMAT_FLOAT = 1,
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OIDN_FORMAT_FLOAT2 = 2,
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OIDN_FORMAT_FLOAT3 = 3,
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OIDN_FORMAT_FLOAT4 = 4,
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} OIDNFormat;
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// Access modes for mapping buffers
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typedef enum
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{
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OIDN_ACCESS_READ = 0, // read-only access
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OIDN_ACCESS_WRITE = 1, // write-only access
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OIDN_ACCESS_READ_WRITE = 2, // read and write access
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OIDN_ACCESS_WRITE_DISCARD = 3, // write-only access, previous contents discarded
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} OIDNAccess;
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// Buffer handle
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typedef struct OIDNBufferImpl* OIDNBuffer;
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// Creates a new buffer (data allocated and owned by the device).
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OIDN_API OIDNBuffer oidnNewBuffer(OIDNDevice device, size_t byteSize);
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// Creates a new shared buffer (data allocated and owned by the user).
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OIDN_API OIDNBuffer oidnNewSharedBuffer(OIDNDevice device, void* ptr, size_t byteSize);
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// Maps a region of the buffer to host memory.
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// If byteSize is 0, the maximum available amount of memory will be mapped.
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OIDN_API void* oidnMapBuffer(OIDNBuffer buffer, OIDNAccess access, size_t byteOffset, size_t byteSize);
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// Unmaps a region of the buffer.
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// mappedPtr must be a pointer returned by a previous call to oidnMapBuffer.
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OIDN_API void oidnUnmapBuffer(OIDNBuffer buffer, void* mappedPtr);
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// Retains the buffer (increments the reference count).
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OIDN_API void oidnRetainBuffer(OIDNBuffer buffer);
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// Releases the buffer (decrements the reference count).
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OIDN_API void oidnReleaseBuffer(OIDNBuffer buffer);
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// ----------------------------------------------------------------------------
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// Filter
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// ----------------------------------------------------------------------------
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// Progress monitor callback function
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typedef bool (*OIDNProgressMonitorFunction)(void* userPtr, double n);
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// Filter handle
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typedef struct OIDNFilterImpl* OIDNFilter;
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// Creates a new filter of the specified type (e.g. "RT").
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OIDN_API OIDNFilter oidnNewFilter(OIDNDevice device, const char* type);
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// Retains the filter (increments the reference count).
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OIDN_API void oidnRetainFilter(OIDNFilter filter);
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// Releases the filter (decrements the reference count).
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OIDN_API void oidnReleaseFilter(OIDNFilter filter);
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// Sets an image parameter of the filter (stored in a buffer).
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// If bytePixelStride and/or byteRowStride are zero, these will be computed automatically.
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OIDN_API void oidnSetFilterImage(OIDNFilter filter, const char* name,
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OIDNBuffer buffer, OIDNFormat format,
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size_t width, size_t height,
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size_t byteOffset,
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size_t bytePixelStride, size_t byteRowStride);
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// Sets an image parameter of the filter (owned by the user).
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// If bytePixelStride and/or byteRowStride are zero, these will be computed automatically.
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OIDN_API void oidnSetSharedFilterImage(OIDNFilter filter, const char* name,
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void* ptr, OIDNFormat format,
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size_t width, size_t height,
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size_t byteOffset,
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size_t bytePixelStride, size_t byteRowStride);
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// Sets a boolean parameter of the filter.
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OIDN_API void oidnSetFilter1b(OIDNFilter filter, const char* name, bool value);
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// Gets a boolean parameter of the filter.
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OIDN_API bool oidnGetFilter1b(OIDNFilter filter, const char* name);
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// Sets an integer parameter of the filter.
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OIDN_API void oidnSetFilter1i(OIDNFilter filter, const char* name, int value);
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// Gets an integer parameter of the filter.
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OIDN_API int oidnGetFilter1i(OIDNFilter filter, const char* name);
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// Sets a float parameter of the filter.
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OIDN_API void oidnSetFilter1f(OIDNFilter filter, const char* name, float value);
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// Gets a float parameter of the filter.
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OIDN_API float oidnGetFilter1f(OIDNFilter filter, const char* name);
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// Sets the progress monitor callback function of the filter.
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OIDN_API void oidnSetFilterProgressMonitorFunction(OIDNFilter filter, OIDNProgressMonitorFunction func, void* userPtr);
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// Commits all previous changes to the filter.
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// Must be called before first executing the filter.
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OIDN_API void oidnCommitFilter(OIDNFilter filter);
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// Executes the filter.
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OIDN_API void oidnExecuteFilter(OIDNFilter filter);
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#if defined(__cplusplus)
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}
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#endif
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