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/*
* ***** 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
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