diff options
Diffstat (limited to 'intern/gpudirect')
| -rw-r--r-- | intern/gpudirect/CMakeLists.txt | 41 | ||||
| -rw-r--r-- | intern/gpudirect/dvpapi.cpp | 147 | ||||
| -rw-r--r-- | intern/gpudirect/dvpapi.h | 667 |
3 files changed, 855 insertions, 0 deletions
diff --git a/intern/gpudirect/CMakeLists.txt b/intern/gpudirect/CMakeLists.txt new file mode 100644 index 00000000000..88c09a663b8 --- /dev/null +++ b/intern/gpudirect/CMakeLists.txt @@ -0,0 +1,41 @@ +# ***** BEGIN GPL LICENSE BLOCK ***** +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# The Original Code is Copyright (C) 2015, Blender Foundation +# All rights reserved. +# +# The Original Code is: all of this file. +# +# Contributor(s): Blender Foundation. +# +# ***** END GPL LICENSE BLOCK ***** + +set(INC + . + # XXX, bad level include! + ../../source/blender/blenlib +) + +set(INC_SYS + ${GLEW_INCLUDE_PATH} +) + +set(SRC + dvpapi.cpp + dvpapi.h +) + +blender_add_lib(bf_intern_gpudirect "${SRC}" "${INC}" "${INC_SYS}") diff --git a/intern/gpudirect/dvpapi.cpp b/intern/gpudirect/dvpapi.cpp new file mode 100644 index 00000000000..8ae5cdbf17b --- /dev/null +++ b/intern/gpudirect/dvpapi.cpp @@ -0,0 +1,147 @@ +/* +* ***** BEGIN GPL LICENSE BLOCK ***** +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software Foundation, +* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +* +* The Original Code is Copyright (C) 2015, Blender Foundation +* All rights reserved. +* +* The Original Code is: all of this file. +* +* Contributor(s): Blender Foundation. +* +* ***** END GPL LICENSE BLOCK ***** +*/ + +/** \file gpudirect/dvpapi.c +* \ingroup gpudirect +*/ + +#ifdef WIN32 + +#include <stdlib.h> +#include "dvpapi.h" + +extern "C" { +#include "BLI_dynlib.h" +} + +#define KDVPAPI_Name "dvp.dll" + +typedef DVPStatus (DVPAPIENTRY * PFNDVPINITGLCONTEXT) (uint32_t flags); +typedef DVPStatus (DVPAPIENTRY * PFNDVPCLOSEGLCONTEXT) (void); +typedef DVPStatus (DVPAPIENTRY * PFNDVPGETLIBRARYVERSION)(uint32_t *major, uint32_t *minor); + +static uint32_t __dvpMajorVersion = 0; +static uint32_t __dvpMinorVersion = 0; +static PFNDVPGETLIBRARYVERSION __dvpGetLibrayVersion = NULL; +static PFNDVPINITGLCONTEXT __dvpInitGLContext = NULL; +static PFNDVPCLOSEGLCONTEXT __dvpCloseGLContext = NULL; +PFNDVPBEGIN __dvpBegin = NULL; +PFNDVPEND __dvpEnd = NULL; +PFNDVPCREATEBUFFER __dvpCreateBuffer = NULL; +PFNDVPDESTROYBUFFER __dvpDestroyBuffer = NULL; +PFNDVPFREEBUFFER __dvpFreeBuffer = NULL; +PFNDVPMEMCPYLINED __dvpMemcpyLined = NULL; +PFNDVPMEMCPY __dvpMemcpy = NULL; +PFNDVPIMPORTSYNCOBJECT __dvpImportSyncObject = NULL; +PFNDVPFREESYNCOBJECT __dvpFreeSyncObject = NULL; +PFNDVPMAPBUFFERENDAPI __dvpMapBufferEndAPI = NULL; +PFNDVPMAPBUFFERWAITDVP __dvpMapBufferWaitDVP = NULL; +PFNDVPMAPBUFFERENDDVP __dvpMapBufferEndDVP = NULL; +PFNDVPMAPBUFFERWAITAPI __dvpMapBufferWaitAPI = NULL; +PFNDVPBINDTOGLCTX __dvpBindToGLCtx = NULL; +PFNDVPGETREQUIREDCONSTANTSGLCTX __dvpGetRequiredConstantsGLCtx = NULL; +PFNDVPCREATEGPUTEXTUREGL __dvpCreateGPUTextureGL = NULL; +PFNDVPUNBINDFROMGLCTX __dvpUnbindFromGLCtx = NULL; + +static DynamicLibrary *__dvpLibrary = NULL; + +DVPStatus dvpGetLibrayVersion(uint32_t *major, uint32_t *minor) +{ + if (!__dvpLibrary) + return DVP_STATUS_ERROR; + *major = __dvpMajorVersion; + *minor = __dvpMinorVersion; + return DVP_STATUS_OK; +} + +DVPStatus dvpInitGLContext(uint32_t flags) +{ + DVPStatus status; + if (!__dvpLibrary) { + __dvpLibrary = BLI_dynlib_open(KDVPAPI_Name); + if (!__dvpLibrary) { + return DVP_STATUS_ERROR; + } +// "?dvpInitGLContext@@YA?AW4DVPStatus@@I@Z"; + __dvpInitGLContext = (PFNDVPINITGLCONTEXT)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpInitGLContext@@YA?AW4DVPStatus@@I@Z"); + __dvpCloseGLContext = (PFNDVPCLOSEGLCONTEXT)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpCloseGLContext@@YA?AW4DVPStatus@@XZ"); + __dvpGetLibrayVersion = (PFNDVPGETLIBRARYVERSION)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpGetLibrayVersion@@YA?AW4DVPStatus@@PEAI0@Z"); + __dvpBegin = (PFNDVPBEGIN)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpBegin@@YA?AW4DVPStatus@@XZ"); + __dvpEnd = (PFNDVPEND)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpEnd@@YA?AW4DVPStatus@@XZ"); + __dvpCreateBuffer = (PFNDVPCREATEBUFFER)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpCreateBuffer@@YA?AW4DVPStatus@@PEAUDVPSysmemBufferDescRec@@PEA_K@Z"); + __dvpDestroyBuffer = (PFNDVPDESTROYBUFFER)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpDestroyBuffer@@YA?AW4DVPStatus@@_K@Z"); + __dvpFreeBuffer = (PFNDVPFREEBUFFER)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpFreeBuffer@@YA?AW4DVPStatus@@_K@Z"); + __dvpMemcpyLined = (PFNDVPMEMCPYLINED)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMemcpyLined@@YA?AW4DVPStatus@@_K0I000III@Z"); + __dvpMemcpy = (PFNDVPMEMCPY)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMemcpy2D@@YA?AW4DVPStatus@@_K0I000IIIII@Z"); + __dvpImportSyncObject = (PFNDVPIMPORTSYNCOBJECT)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpImportSyncObject@@YA?AW4DVPStatus@@PEAUDVPSyncObjectDescRec@@PEA_K@Z"); + __dvpFreeSyncObject = (PFNDVPFREESYNCOBJECT)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpFreeSyncObject@@YA?AW4DVPStatus@@_K@Z"); + __dvpMapBufferEndAPI = (PFNDVPMAPBUFFERENDAPI)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMapBufferEndAPI@@YA?AW4DVPStatus@@_K@Z"); + __dvpMapBufferWaitDVP = (PFNDVPMAPBUFFERWAITDVP)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMapBufferWaitDVP@@YA?AW4DVPStatus@@_K@Z"); + __dvpMapBufferEndDVP = (PFNDVPMAPBUFFERENDDVP)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMapBufferEndDVP@@YA?AW4DVPStatus@@_K@Z"); + __dvpMapBufferWaitAPI = (PFNDVPMAPBUFFERWAITAPI)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpMapBufferWaitAPI@@YA?AW4DVPStatus@@_K@Z"); + __dvpBindToGLCtx = (PFNDVPBINDTOGLCTX)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpBindToGLCtx@@YA?AW4DVPStatus@@_K@Z"); + __dvpGetRequiredConstantsGLCtx = (PFNDVPGETREQUIREDCONSTANTSGLCTX)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpGetRequiredConstantsGLCtx@@YA?AW4DVPStatus@@PEAI00000@Z"); + __dvpCreateGPUTextureGL = (PFNDVPCREATEGPUTEXTUREGL)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpCreateGPUTextureGL@@YA?AW4DVPStatus@@IPEA_K@Z"); + __dvpUnbindFromGLCtx = (PFNDVPUNBINDFROMGLCTX)BLI_dynlib_find_symbol(__dvpLibrary, "?dvpUnbindFromGLCtx@@YA?AW4DVPStatus@@_K@Z"); + if (!__dvpInitGLContext || + !__dvpCloseGLContext || + !__dvpGetLibrayVersion || + !__dvpBegin || + !__dvpEnd || + !__dvpCreateBuffer || + !__dvpDestroyBuffer || + !__dvpFreeBuffer || + !__dvpMemcpyLined || + !__dvpMemcpy || + !__dvpImportSyncObject || + !__dvpFreeSyncObject || + !__dvpMapBufferEndAPI || + !__dvpMapBufferWaitDVP || + !__dvpMapBufferEndDVP || + !__dvpMapBufferWaitAPI || + !__dvpBindToGLCtx || + !__dvpGetRequiredConstantsGLCtx || + !__dvpCreateGPUTextureGL || + !__dvpUnbindFromGLCtx) + { + return DVP_STATUS_ERROR; + } + // check that the library version is what we want + if ((status = __dvpGetLibrayVersion(&__dvpMajorVersion, &__dvpMinorVersion)) != DVP_STATUS_OK) + return status; + if (__dvpMajorVersion != DVP_MAJOR_VERSION || __dvpMinorVersion < DVP_MINOR_VERSION) + return DVP_STATUS_ERROR; + } + return (!__dvpInitGLContext) ? DVP_STATUS_ERROR : __dvpInitGLContext(flags); +} + +DVPStatus dvpCloseGLContext(void) +{ + return (!__dvpCloseGLContext) ? DVP_STATUS_ERROR : __dvpCloseGLContext(); +} + +#endif // WIN32 diff --git a/intern/gpudirect/dvpapi.h b/intern/gpudirect/dvpapi.h new file mode 100644 index 00000000000..4cc259f0fe8 --- /dev/null +++ b/intern/gpudirect/dvpapi.h @@ -0,0 +1,667 @@ +/* +* ***** BEGIN GPL LICENSE BLOCK ***** +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* of the License, or (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software Foundation, +* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +* +* The Original Code is Copyright (C) 2015, Blender Foundation +* All rights reserved. +* +* The Original Code is: all of this file. +* +* Contributor(s): Blender Foundation. +* +* ***** END GPL LICENSE BLOCK ***** +*/ + +/** \file gpudirect/dvpapi.h +* \ingroup gpudirect +*/ + +#ifndef __DVPAPI_H__ +#define __DVPAPI_H__ + +#ifdef WIN32 + +#include <stdlib.h> +#include <stdint.h> + +#include "GL/glew.h" + +#if defined(__GNUC__) && __GNUC__>=4 +# define DVPAPI extern __attribute__ ((visibility("default"))) +#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) +# define DVPAPI extern __global +#else +# define DVPAPI extern +#endif + +#define DVPAPIENTRY +#define DVP_MAJOR_VERSION 1 +#define DVP_MINOR_VERSION 63 + +typedef uint64_t DVPBufferHandle; +typedef uint64_t DVPSyncObjectHandle; + +typedef enum { + DVP_STATUS_OK = 0, + DVP_STATUS_INVALID_PARAMETER = 1, + DVP_STATUS_UNSUPPORTED = 2, + DVP_STATUS_END_ENUMERATION = 3, + DVP_STATUS_INVALID_DEVICE = 4, + DVP_STATUS_OUT_OF_MEMORY = 5, + DVP_STATUS_INVALID_OPERATION = 6, + DVP_STATUS_TIMEOUT = 7, + DVP_STATUS_INVALID_CONTEXT = 8, + DVP_STATUS_INVALID_RESOURCE_TYPE = 9, + DVP_STATUS_INVALID_FORMAT_OR_TYPE = 10, + DVP_STATUS_DEVICE_UNINITIALIZED = 11, + DVP_STATUS_UNSIGNALED = 12, + DVP_STATUS_SYNC_ERROR = 13, + DVP_STATUS_SYNC_STILL_BOUND = 14, + DVP_STATUS_ERROR = -1, +} DVPStatus; + +// Pixel component formats stored in the system memory buffer +// analogous to those defined in the OpenGL API, except for +// DVP_BUFFER and the DVP_CUDA_* types. DVP_BUFFER provides +// an unspecified format type to allow for general interpretation +// of the bytes at a later stage (in GPU shader). Note that not +// all paths will achieve optimal speeds due to lack of HW support +// for the transformation. The CUDA types are to be used when +// copying to/from a system memory buffer from-to a CUDA array, as the +// CUDA array implies a memory layout that matches the array. +typedef enum { + DVP_BUFFER, // Buffer treated as a raw buffer + // and copied directly into GPU buffer + // without any interpretation of the + // stored bytes. + DVP_DEPTH_COMPONENT, + DVP_RGBA, + DVP_BGRA, + DVP_RED, + DVP_GREEN, + DVP_BLUE, + DVP_ALPHA, + DVP_RGB, + DVP_BGR, + DVP_LUMINANCE, + DVP_LUMINANCE_ALPHA, + DVP_CUDA_1_CHANNEL, + DVP_CUDA_2_CHANNELS, + DVP_CUDA_4_CHANNELS, + DVP_RGBA_INTEGER, + DVP_BGRA_INTEGER, + DVP_RED_INTEGER, + DVP_GREEN_INTEGER, + DVP_BLUE_INTEGER, + DVP_ALPHA_INTEGER, + DVP_RGB_INTEGER, + DVP_BGR_INTEGER, + DVP_LUMINANCE_INTEGER, + DVP_LUMINANCE_ALPHA_INTEGER, +} DVPBufferFormats; + +// Possible pixel component storage types for system memory buffers +typedef enum { + DVP_UNSIGNED_BYTE, + DVP_BYTE, + DVP_UNSIGNED_SHORT, + DVP_SHORT, + DVP_UNSIGNED_INT, + DVP_INT, + DVP_FLOAT, + DVP_HALF_FLOAT, + DVP_UNSIGNED_BYTE_3_3_2, + DVP_UNSIGNED_BYTE_2_3_3_REV, + DVP_UNSIGNED_SHORT_5_6_5, + DVP_UNSIGNED_SHORT_5_6_5_REV, + DVP_UNSIGNED_SHORT_4_4_4_4, + DVP_UNSIGNED_SHORT_4_4_4_4_REV, + DVP_UNSIGNED_SHORT_5_5_5_1, + DVP_UNSIGNED_SHORT_1_5_5_5_REV, + DVP_UNSIGNED_INT_8_8_8_8, + DVP_UNSIGNED_INT_8_8_8_8_REV, + DVP_UNSIGNED_INT_10_10_10_2, + DVP_UNSIGNED_INT_2_10_10_10_REV, +} DVPBufferTypes; + +// System memory descriptor describing the size and storage formats +// of the buffer +typedef struct DVPSysmemBufferDescRec { + uint32_t width; // Buffer Width + uint32_t height; // Buffer Height + uint32_t stride; // Stride + uint32_t size; // Specifies the surface size if + // format == DVP_BUFFER + DVPBufferFormats format; // see enum above + DVPBufferTypes type; // see enum above + void *bufAddr; // Buffer memory address +} DVPSysmemBufferDesc; + +// Flags specified at sync object creation: +// ---------------------------------------- +// Tells the implementation to use events wherever +// possible instead of software spin loops. Note if HW +// wait operations are supported by the implementation +// then events will not be used in the dvpMemcpy* +// functions. In such a case, events may still be used +// in dvpSyncObjClientWait* functions. +#define DVP_SYNC_OBJECT_FLAGS_USE_EVENTS 0x00000001 + +typedef struct DVPSyncObjectDescRec { + uint32_t *sem; // Location to write semaphore value + uint32_t flags; // See above DVP_SYNC_OBJECT_FLAGS_* bits + DVPStatus (*externalClientWaitFunc) (DVPSyncObjectHandle sync, + uint32_t value, + bool GEQ, // If true then the function should wait for the sync value to be + // greater than or equal to the value parameter. Otherwise just a + // straight forward equality comparison should be performed. + uint64_t timeout); + // If non-null, externalClientWaitFunc allows the DVP library + // to call the application to wait for a sync object to be + // released. This allows the application to create events, + // which can be triggered on device interrupts instead of + // using spin loops inside the DVP library. Upon succeeding + // the function must return DVP_STATUS_OK, non-zero for failure + // and DVP_STATUS_TIMEOUT on timeout. The externalClientWaitFunc should + // not alter the current GL or CUDA context state +} DVPSyncObjectDesc; + +// Time used when event timeouts should be ignored +#define DVP_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFFull + +typedef DVPStatus (DVPAPIENTRY * PFNDVPBEGIN) (void); +typedef DVPStatus (DVPAPIENTRY * PFNDVPEND) (void); +typedef DVPStatus (DVPAPIENTRY * PFNDVPCREATEBUFFER)(DVPSysmemBufferDesc *desc, DVPBufferHandle *hBuf); +typedef DVPStatus (DVPAPIENTRY * PFNDVPDESTROYBUFFER)(DVPBufferHandle hBuf); +typedef DVPStatus (DVPAPIENTRY * PFNDVPFREEBUFFER)(DVPBufferHandle gpuBufferHandle); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMEMCPYLINED)(DVPBufferHandle srcBuffer, + DVPSyncObjectHandle srcSync, + uint32_t srcAcquireValue, + uint64_t timeout, + DVPBufferHandle dstBuffer, + DVPSyncObjectHandle dstSync, + uint32_t dstReleaseValue, + uint32_t startingLine, + uint32_t numberOfLines); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMEMCPY)(DVPBufferHandle srcBuffer, + DVPSyncObjectHandle srcSync, + uint32_t srcAcquireValue, + uint64_t timeout, + DVPBufferHandle dstBuffer, + DVPSyncObjectHandle dstSync, + uint32_t dstReleaseValue, + uint32_t srcOffset, + uint32_t dstOffset, + uint32_t count); +typedef DVPStatus (DVPAPIENTRY * PFNDVPIMPORTSYNCOBJECT)(DVPSyncObjectDesc *desc, + DVPSyncObjectHandle *syncObject); +typedef DVPStatus (DVPAPIENTRY * PFNDVPFREESYNCOBJECT)(DVPSyncObjectHandle syncObject); +typedef DVPStatus (DVPAPIENTRY * PFNDVPGETREQUIREDCONSTANTSGLCTX)(uint32_t *bufferAddrAlignment, + uint32_t *bufferGPUStrideAlignment, + uint32_t *semaphoreAddrAlignment, + uint32_t *semaphoreAllocSize, + uint32_t *semaphorePayloadOffset, + uint32_t *semaphorePayloadSize); +typedef DVPStatus (DVPAPIENTRY * PFNDVPBINDTOGLCTX)(DVPBufferHandle hBuf); +typedef DVPStatus (DVPAPIENTRY * PFNDVPUNBINDFROMGLCTX)(DVPBufferHandle hBuf); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMAPBUFFERENDAPI)(DVPBufferHandle gpuBufferHandle); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMAPBUFFERWAITDVP)(DVPBufferHandle gpuBufferHandle); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMAPBUFFERENDDVP)(DVPBufferHandle gpuBufferHandle); +typedef DVPStatus (DVPAPIENTRY * PFNDVPMAPBUFFERWAITAPI)(DVPBufferHandle gpuBufferHandle); +typedef DVPStatus (DVPAPIENTRY * PFNDVPCREATEGPUTEXTUREGL)(GLuint texID, + DVPBufferHandle *bufferHandle); + +// Flags supplied to the dvpInit* functions: +// +// DVP_DEVICE_FLAGS_SHARE_APP_CONTEXT is only supported for OpenGL +// contexts and is the only supported flag for CUDA. It allows for +// certain cases to be optimized by sharing the context +// of the application for the DVP operations. This removes the +// need to do certain synchronizations. See issue 5 for parallel +// issues. When used, the app's GL context must be current for all calls +// to the DVP library. +// the DVP library. +#define DVP_DEVICE_FLAGS_SHARE_APP_CONTEXT 0x000000001 + +//------------------------------------------------------------------------ +// Function: dvpInitGLContext +// +// To be called before any DVP resources are allocated. +// This call allows for specification of flags that may +// change the way DVP operations are performed. See above +// for the list of flags. +// +// The OpenGL context must be current at time of call. +// +// Parameters: flags[IN] - Buffer description structure +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +extern DVPStatus dvpInitGLContext(uint32_t flags); + +//------------------------------------------------------------------------ +// Function: dvpCloseGLContext +// +// Function to be called when app closes to allow freeing +// of any DVP library allocated resources. +// +// The OpenGL context must be current at time of call. +// +// Parameters: none +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +extern DVPStatus dvpCloseGLContext(); + +//------------------------------------------------------------------------ +// Function: dvpGetLibrayVersion +// +// Description: Returns the current version of the library +// +// Parameters: major[OUT] - returned major version +// minor[OUT] - returned minor version +// +// Returns: DVP_STATUS_OK +//------------------------------------------------------------------------ +extern DVPStatus dvpGetLibrayVersion(uint32_t *major, uint32_t *minor); + +//------------------------------------------------------------------------ +// Function: dvpBegin +// +// Description: dvpBegin must be called before any combination of DVP +// function calls dvpMemCpy*, dvpMapBufferWaitDVP, +// dvpSyncObjClientWait*, and dvpMapBufferEndDVP. After +// the last of these functions has been called is dvpEnd +// must be called. This allows for more efficient batched +// DVP operations. +// +// Parameters: none +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpBegin DVPAPI_GET_FUN(__dvpBegin) + +//------------------------------------------------------------------------ +// Function: dvpEnd +// +// Description: dvpEnd signals the end of a batch of DVP function calls +// that began with dvpBegin +// +// Parameters: none +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpEnd DVPAPI_GET_FUN(__dvpEnd) + + +//------------------------------------------------------------------------ +// Function: dvpCreateBuffer +// +// Description: Create a DVP buffer using system memory, wrapping a user +// passed pointer. The pointer must be aligned +// to values returned by dvpGetRequiredAlignments* +// +// Parameters: desc[IN] - Buffer description structure +// hBuf[OUT] - DVP Buffer handle +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpCreateBuffer DVPAPI_GET_FUN(__dvpCreateBuffer) + + +//------------------------------------------------------------------------ +// Function: dvpDestroyBuffer +// +// Description: Destroy a previously created DVP buffer. +// +// Parameters: hBuf[IN] - DVP Buffer handle +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpDestroyBuffer DVPAPI_GET_FUN(__dvpDestroyBuffer) + +//------------------------------------------------------------------------ +// Function: dvpFreeBuffer +// +// Description: dvpFreeBuffer frees the DVP buffer reference +// +// Parameters: gpuBufferHandle[IN] - DVP Buffer handle +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpFreeBuffer DVPAPI_GET_FUN(__dvpFreeBuffer) + +//------------------------------------------------------------------------ +// Function: dvpMemcpyLined +// +// Description: dvpMemcpyLined provides buffer copies between a +// DVP sysmem buffer and a graphics API texture (as opposed to +// a buffer type). Other buffer types (such +// as graphics API buffers) return DVP_STATUS_INVALID_PARAMETER. +// +// In addition, see "dvpMemcpy* general comments" above. +// +// Parameters: srcBuffer[IN] - src buffer handle +// srcSync[IN] - sync to acquire on before transfer +// srcAcquireValue[IN] - value to acquire on before transfer +// timeout[IN] - time out value in nanoseconds. +// dstBuffer[IN] - src buffer handle +// dstSync[IN] - sync to release on transfer completion +// dstReleaseValue[IN] - value to release on completion +// startingLine[IN] - starting line of buffer +// numberOfLines[IN] - number of lines to copy +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +// +// GL state effected: The following GL state may be altered by this +// function (not relevant if no GL source or destination +// is used): +// -GL_PACK_SKIP_ROWS, GL_PACK_SKIP_PIXELS, +// GL_PACK_ROW_LENGTH +// -The buffer bound to GL_PIXEL_PACK_BUFFER +// -The current bound framebuffer (GL_FRAMEBUFFER_EXT) +// -GL_UNPACK_SKIP_ROWS, GL_UNPACK_SKIP_PIXELS, +// GL_UNPACK_ROW_LENGTH +// -The buffer bound to GL_PIXEL_UNPACK_BUFFER +// -The texture bound to GL_TEXTURE_2D +//------------------------------------------------------------------------ +#define dvpMemcpyLined DVPAPI_GET_FUN(__dvpMemcpyLined) + + +//------------------------------------------------------------------------ +// Function: dvpMemcpy +// +// Description: dvpMemcpy provides buffer copies between a +// DVP sysmem buffer and a graphics API pure buffer (as +// opposed to a texture type). Other buffer types (such +// as graphics API textures) return +// DVP_STATUS_INVALID_PARAMETER. +// +// The start address of the srcBuffer is given by srcOffset +// and the dstBuffer start address is given by dstOffset. +// +// In addition, see "dvpMemcpy* general comments" above. +// +// Parameters: srcBuffer[IN] - src buffer handle +// srcSync[IN] - sync to acquire on before transfer +// srcAcquireValue[IN] - value to acquire on before transfer +// timeout[IN] - time out value in nanoseconds. +// dstBuffer[IN] - src buffer handle +// dstSync[IN] - sync to release on completion +// dstReleaseValue[IN] - value to release on completion +// uint32_t srcOffset[IN] - byte offset of srcBuffer +// uint32_t dstOffset[IN] - byte offset of dstBuffer +// uint32_t count[IN] - number of bytes to copy +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +// +// GL state effected: The following GL state may be altered by this +// function (not relevant if no GL source or destination +// is used): +// - The buffer bound to GL_COPY_WRITE_BUFFER +// - The buffer bound to GL_COPY_READ_BUFFER +// +//------------------------------------------------------------------------ +#define dvpMemcpy DVPAPI_GET_FUN(__dvpMemcpy) + +//------------------------------------------------------------------------ +// Function: dvpImportSyncObject +// +// Description: dvpImportSyncObject creates a DVPSyncObject from the +// DVPSyncObjectDesc. Note that a sync object is not +// supported for copy operations targeting different APIs. +// This means, for example, it is illegal to call dvpMemCpy* +// for source or target GL texture with sync object A and +// then later use that same sync object in dvpMemCpy* +// operation for a source or target CUDA buffer. The same +// semaphore memory can still be used for two different sync +// objects. +// +// Parameters: desc[IN] - data describing the sync object +// syncObject[OUT] - handle to sync object +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpImportSyncObject DVPAPI_GET_FUN(__dvpImportSyncObject) + +//------------------------------------------------------------------------ +// Function: dvpFreeSyncObject +// +// Description: dvpFreeSyncObject waits for any outstanding releases on +// this sync object before freeing the resources allocated for +// the specified sync object. The application must make sure +// any outstanding acquire operations have already been +// completed. +// +// If OpenGL is being used and the app's GL context is being +// shared (via the DVP_DEVICE_FLAGS_SHARE_APP_CONTEXT flag), +// then dvpFreeSyncObject needs to be called while each context, +// on which the sync object was used, is current. If +// DVP_DEVICE_FLAGS_SHARE_APP_CONTEXT is used and there are out +// standing contexts from which this sync object must be free'd +// then dvpFreeSyncObject will return DVP_STATUS_SYNC_STILL_BOUND. +// +// Parameters: syncObject[IN] - handle to sync object to be free'd +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +// DVP_STATUS_SYNC_STILL_BOUND +//------------------------------------------------------------------------ +#define dvpFreeSyncObject DVPAPI_GET_FUN(__dvpFreeSyncObject) + + +//------------------------------------------------------------------------ +// Function: dvpMapBufferEndAPI +// +// Description: Tells DVP to setup a signal for this buffer in the +// callers API context or device. The signal follows all +// previous API operations up to this point and, thus, +// allows subsequent DVP calls to know when then this buffer +// is ready for use within the DVP library. This function +// would be followed by a call to dvpMapBufferWaitDVP to +// synchronize rendering in the API stream and the DVP +// stream. +// +// If OpenGL or CUDA is used, the OpenGL/CUDA context +// must be current at time of call. +// +// The use of dvpMapBufferEndAPI is NOT recommended for +// CUDA synchronisation, as it is more optimal to use a +// applcation CUDA stream in conjunction with +// dvpMapBufferEndCUDAStream. This allows the driver to +// do optimisations, such as parllelise the copy operations +// and compute. +// +// This must be called outside the dvpBegin/dvpEnd pair. In +// addition, this call is not thread safe and must be called +// from or fenced against the rendering thread associated with +// the context or device. +// +// Parameters: gpuBufferHandle[IN] - buffer to track +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +// DVP_STATUS_UNSIGNALED - returned if the API is +// unable to place a signal in the API context queue +//------------------------------------------------------------------------ +#define dvpMapBufferEndAPI DVPAPI_GET_FUN(__dvpMapBufferEndAPI) + +//------------------------------------------------------------------------ +// Function: dvpMapBufferEndAPI +// +// Description: Tells DVP to setup a signal for this buffer in the +// callers API context or device. The signal follows all +// previous API operations up to this point and, thus, +// allows subsequent DVP calls to know when then this buffer +// is ready for use within the DVP library. This function +// would be followed by a call to dvpMapBufferWaitDVP to +// synchronize rendering in the API stream and the DVP +// stream. +// +// If OpenGL or CUDA is used, the OpenGL/CUDA context +// must be current at time of call. +// +// The use of dvpMapBufferEndAPI is NOT recommended for +// CUDA synchronisation, as it is more optimal to use a +// applcation CUDA stream in conjunction with +// dvpMapBufferEndCUDAStream. This allows the driver to +// do optimisations, such as parllelise the copy operations +// and compute. +// +// This must be called outside the dvpBegin/dvpEnd pair. In +// addition, this call is not thread safe and must be called +// from or fenced against the rendering thread associated with +// the context or device. +// +// Parameters: gpuBufferHandle[IN] - buffer to track +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +// DVP_STATUS_UNSIGNALED - returned if the API is +// unable to place a signal in the API context queue +//------------------------------------------------------------------------ +#define dvpMapBufferEndAPI DVPAPI_GET_FUN(__dvpMapBufferEndAPI) + +//------------------------------------------------------------------------ +// Function: dvpMapBufferWaitDVP +// +// Description: Tells DVP to make the DVP stream wait for a previous +// signal triggered by a dvpMapBufferEndAPI call. +// +// This must be called inside the dvpBegin/dvpEnd pair. +// +// Parameters: gpuBufferHandle[IN] - buffer to track +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpMapBufferWaitDVP DVPAPI_GET_FUN(__dvpMapBufferWaitDVP) + +//------------------------------------------------------------------------ +// Function: dvpMapBufferEndDVP +// +// Description: Tells DVP to setup a signal for this buffer after +// DVP operations are complete. The signal allows +// the API to know when then this buffer is +// ready for use within a API stream. This function would +// be followed by a call to dvpMapBufferWaitAPI to +// synchronize copies in the DVP stream and the API +// rendering stream. +// +// This must be called inside the dvpBegin/dvpEnd pair. +// +// Parameters: gpuBufferHandle[IN] - buffer to track +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpMapBufferEndDVP DVPAPI_GET_FUN(__dvpMapBufferEndDVP) + +//------------------------------------------------------------------------ +// Function: dvpMapBufferWaitAPI +// +// Description: Tells DVP to make the current API context or device to +// wait for a previous signal triggered by a +// dvpMapBufferEndDVP call. +// +// The use of dvpMapBufferWaitCUDAStream is NOT recommended for +// CUDA synchronisation, as it is more optimal to use a +// applcation CUDA stream in conjunction with +// dvpMapBufferEndCUDAStream. This allows the driver to +// do optimisations, such as parllelise the copy operations +// and compute. +// +// If OpenGL or CUDA is used, the OpenGL/CUDA context +// must be current at time of call. +// +// This must be called outside the dvpBegin/dvpEnd pair. In +// addition, this call is not thread safe and must be called +// from or fenced against the rendering thread associated with +// the context or device. +// +// Parameters: gpuBufferHandle[IN] - buffer to track +// +// Returns: DVP_STATUS_OK +// DVP_STATUS_INVALID_PARAMETER +// DVP_STATUS_ERROR +//------------------------------------------------------------------------ +#define dvpMapBufferWaitAPI DVPAPI_GET_FUN(__dvpMapBufferWaitAPI) + +//------------------------------------------------------------------------ +// If the multiple GL contexts used in the application access the same +// sysmem buffers, then application must create those GL contexts with +// display list shared. +//------------------------------------------------------------------------ +#define dvpBindToGLCtx DVPAPI_GET_FUN(__dvpBindToGLCtx) +#define dvpGetRequiredConstantsGLCtx DVPAPI_GET_FUN(__dvpGetRequiredConstantsGLCtx) +#define dvpCreateGPUTextureGL DVPAPI_GET_FUN(__dvpCreateGPUTextureGL) +#define dvpUnbindFromGLCtx DVPAPI_GET_FUN(__dvpUnbindFromGLCtx) + + +DVPAPI PFNDVPBEGIN __dvpBegin; +DVPAPI PFNDVPEND __dvpEnd; +DVPAPI PFNDVPCREATEBUFFER __dvpCreateBuffer; +DVPAPI PFNDVPDESTROYBUFFER __dvpDestroyBuffer; +DVPAPI PFNDVPFREEBUFFER __dvpFreeBuffer; +DVPAPI PFNDVPMEMCPYLINED __dvpMemcpyLined; +DVPAPI PFNDVPMEMCPY __dvpMemcpy; +DVPAPI PFNDVPIMPORTSYNCOBJECT __dvpImportSyncObject; +DVPAPI PFNDVPFREESYNCOBJECT __dvpFreeSyncObject; +DVPAPI PFNDVPMAPBUFFERENDAPI __dvpMapBufferEndAPI; +DVPAPI PFNDVPMAPBUFFERWAITDVP __dvpMapBufferWaitDVP; +DVPAPI PFNDVPMAPBUFFERENDDVP __dvpMapBufferEndDVP; +DVPAPI PFNDVPMAPBUFFERWAITAPI __dvpMapBufferWaitAPI; + + +//------------------------------------------------------------------------ +// If the multiple GL contexts used in the application access the same +// sysmem buffers, then application must create those GL contexts with +// display list shared. +//------------------------------------------------------------------------ +DVPAPI PFNDVPBINDTOGLCTX __dvpBindToGLCtx; +DVPAPI PFNDVPGETREQUIREDCONSTANTSGLCTX __dvpGetRequiredConstantsGLCtx; +DVPAPI PFNDVPCREATEGPUTEXTUREGL __dvpCreateGPUTextureGL; +DVPAPI PFNDVPUNBINDFROMGLCTX __dvpUnbindFromGLCtx; + +#define DVPAPI_GET_FUN(x) x + +#endif // WIN32 + +#endif // __DVPAPI_H__ + |