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/******************************Module*Header*******************************\
* Module Name: subbatch.h** OpenGL batching macros.** Copyright (c) 1993 Microsoft Corporation\**************************************************************************/
#ifndef __SUBBATCH_H__
#define __SUBBATCH_H__
#ifdef DOGLMSGBATCHSTATS
#define STATS_INC_CLIENTCALLS() (pMsgBatchInfo->BatchStats.ClientCalls++)
#else
#define STATS_INC_CLIENTCALLS()
#endif
// Put a message into shared area. If it does not fit, flush what is
// currently in the buffer and then put the message at start of the buffer
//
// NOTE: glsbAttentionAlt() updates pMsgBatchInfo->NextOffset on return.
// If you modify this macro, you have to fix the glsbAttentionAlt()
// function!
#define GLCLIENT_BEGIN(ProcName,MsgStruct) \
{ \ GLMSGBATCHINFO *pMsgBatchInfo; \ GLMSG_##MsgStruct *pMsg; \ ULONG CurrentOffset; \ \ /* Get shared memory window from the TEB */ \ pMsgBatchInfo = GLTEB_SHAREDMEMORYSECTION(); \ STATS_INC_CLIENTCALLS(); \ \ /* Get and update the offset of the next message */ \ CurrentOffset = pMsgBatchInfo->NextOffset; \ pMsgBatchInfo->NextOffset += GLMSG_ALIGN(sizeof(GLMSG_##MsgStruct)); \ \ /* Flush message if shared memory window is full */ \ if (pMsgBatchInfo->NextOffset > pMsgBatchInfo->MaximumOffset) \ CurrentOffset = glsbAttentionAlt(CurrentOffset); \ \ /* Add message to the batch */ \ pMsg = (GLMSG_##MsgStruct *)(((BYTE *)pMsgBatchInfo) + CurrentOffset); \ pMsg->ProcOffset = offsetof(GLSRVSBPROCTABLE, glsrv##ProcName);
#define GLCLIENT_END }
// Large Messages have a variable amount of data associated with them.
// Unlike the non-clientside version, however, we will not attempt to
// copy the message into the buffer. Instead, we will pass the pointer
// and flush. Unlike CSR, we will not have to copy data in/out of a
// shared memory section to do this.
#define GLCLIENT_BEGIN_LARGE(bSet,ProcName,MsgStruct,pData,Size,OffData) \
{ \ GLMSGBATCHINFO *pMsgBatchInfo; \ GLMSG_##MsgStruct *pMsg; \ ULONG CurrentOffset; \ \ /* Get shared memory window from the TEB */ \ pMsgBatchInfo = GLTEB_SHAREDMEMORYSECTION(); \ STATS_INC_CLIENTCALLS(); \ \ /* Get and update the offset of the next message */ \ CurrentOffset = pMsgBatchInfo->NextOffset; \ pMsgBatchInfo->NextOffset += GLMSG_ALIGN(sizeof(GLMSG_##MsgStruct)); \ \ /* Flush message if shared memory window is full */ \ if (pMsgBatchInfo->NextOffset > pMsgBatchInfo->MaximumOffset) \ CurrentOffset = glsbAttentionAlt(CurrentOffset); \ \ /* Set up message header */ \ pMsg = (GLMSG_##MsgStruct *)(((BYTE *)pMsgBatchInfo) + CurrentOffset); \ pMsg->ProcOffset = offsetof(GLSRVSBPROCTABLE, glsrv##ProcName); \ pMsg->##OffData = (ULONG_PTR) pData; \ \ DBGLEVEL2(LEVEL_INFO, "GLCLIENT_BEGIN_LARGE %s pdata 0x%x\n", \ #ProcName, pData);
#define GLCLIENT_END_LARGE_SET \
glsbAttention(); \}
#define GLCLIENT_END_LARGE_GET \
glsbAttention(); \}
#define GLCLIENT_BEGIN_LARGE_SET(ProcName,MsgStruct,pData,Size,OffData) \
GLCLIENT_BEGIN_LARGE(TRUE,ProcName,MsgStruct,pData,Size,OffData)
#define GLCLIENT_BEGIN_LARGE_GET(ProcName,MsgStruct,pData,Size,OffData) \
GLCLIENT_BEGIN_LARGE(FALSE,ProcName,MsgStruct,pData,Size,OffData)
#define GLMSG_MEMCPY(dest,src,size) memcpy(dest,src,size)
#endif /* !__SUBBATCH_H__ */
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