397 lines
11 KiB
C
397 lines
11 KiB
C
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/***************************************************************************\
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* Module Name: subutil.c
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*
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* Section initialization code for client/server batching.
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*
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* Copyright (c) 1993-1996 Microsoft Corporation
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\***************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#include "glsbmsg.h"
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#include "glgdimsg.h"
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#include "batchinf.h"
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#include "glsbcltu.h"
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#include "wgldef.h"
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#include "compsize.h"
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#include "context.h"
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#include "global.h"
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#include "parray.h"
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#include "lighting.h"
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/******************************Public*Routine******************************\
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* glsbAttentionAlt
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*
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* Calls glsbAttention() from the GLCLIENT_BEGIN macro.
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* It puts a null proc at the end of the current batch and flushes the batch.
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*
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* Returns the new message offset and updates pMsgBatchInfo->NextOffset.
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* This code is dependent on the GLCLIENT_BEGIN macro!
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*
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* History:
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* Thu Nov 11 18:02:26 1993 -by- Hock San Lee [hockl]
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* Wrote it.
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\**************************************************************************/
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#ifdef CHECK_HEAP
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PVOID AttnLastCaller = 0, AttnLastCallersCaller = 0;
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DWORD AttnCallThread = 0;
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#endif
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ULONG APIENTRY glsbAttentionAlt(ULONG Offset)
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{
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GLMSGBATCHINFO *pMsgBatchInfo;
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ULONG MsgSize;
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PULONG pNullProcOffset;
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POLYARRAY *pa;
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POLYMATERIAL *pm;
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#ifdef PRIMITIVE_TRACK
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DbgPrint("*** glsbAttentionAlt\n");
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#endif
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pa = GLTEB_CLTPOLYARRAY();
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pMsgBatchInfo = (GLMSGBATCHINFO *) pa->pMsgBatchInfo;
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#ifdef CHECK_HEAP
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AttnCallThread = GetCurrentThreadId();
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RtlValidateHeap(RtlProcessHeap(), 0, 0);
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RtlGetCallersAddress(&AttnLastCaller, &AttnLastCallersCaller);
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#endif
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if (Offset == pMsgBatchInfo->FirstOffset)
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return(pMsgBatchInfo->FirstOffset); // No messages, return
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MsgSize = pMsgBatchInfo->NextOffset - Offset;
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// If we are in the begin/end bracket, remove the invalid commands issued
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// since the last Begin call.
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if (pa->flags & POLYARRAY_IN_BEGIN)
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{
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// DrawElements should not cause a flush while building polydata's.
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// pa->aIndices can be reset by VA_DrawElementsBegin, so allow
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// this value as well.
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ASSERTOPENGL( (!pa->aIndices ||
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(pa->aIndices == PA_aIndices_INITIAL_VALUE)),
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"unexpected flush in DrawElements\n");
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if (Offset == pa->nextMsgOffset)
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return(Offset);
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GLSETERROR(GL_INVALID_OPERATION);
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pMsgBatchInfo->NextOffset = pa->nextMsgOffset + MsgSize;
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return(pa->nextMsgOffset);
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}
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#ifdef PRIMITIVE_TRACK
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DbgPrint("! Reset on attention\n");
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#endif
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pa->pdBufferNext = pa->pdBuffer0; // reset vertex buffer pointer
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pa->nextMsgOffset = PA_nextMsgOffset_RESET_VALUE;
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if (pm = GLTEB_CLTPOLYMATERIAL())
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pm->iMat = 0; // reset material pointer
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pNullProcOffset = (ULONG *)((BYTE *)pMsgBatchInfo + Offset);
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*pNullProcOffset = 0;
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// #define POLYARRAY_CHECK_COLOR_POINTERS 1
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbAttentionAlt: pd 0x%x has modified color pointer\n", pd);
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}
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}
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#endif
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(void) __wglAttention();
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbAttentionAlt: pd 0x%x has BAD color pointer\n", pd);
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}
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}
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#endif
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pMsgBatchInfo->NextOffset = pMsgBatchInfo->FirstOffset + MsgSize;
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return(pMsgBatchInfo->FirstOffset);
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}
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/******************************Public*Routine******************************\
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* glsbAttention
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*
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* Let the server know that the section needs attention
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*
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* History:
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* 15-Oct-1993 -by- Gilman Wong [gilmanw]
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* Added bCheckRC flag.
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\**************************************************************************/
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BOOL APIENTRY
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glsbAttention ( void )
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{
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BOOL bRet = FALSE;
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GLMSGBATCHINFO *pMsgBatchInfo;
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PULONG pNullProcOffset;
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POLYARRAY *pa;
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POLYMATERIAL *pm;
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DWORD flags;
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__GL_SETUP();
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pa = GLTEB_CLTPOLYARRAY();
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pMsgBatchInfo = (GLMSGBATCHINFO *) pa->pMsgBatchInfo;
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#ifdef CHECK_HEAP
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AttnCallThread = GetCurrentThreadId();
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RtlValidateHeap(RtlProcessHeap(), 0, 0);
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RtlGetCallersAddress(&AttnLastCaller, &AttnLastCallersCaller);
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#endif
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if (pMsgBatchInfo->NextOffset == pMsgBatchInfo->FirstOffset)
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return(TRUE); // No messages, return
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// If we are in the begin/end bracket, remove the invalid commands issued
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// since the last Begin call.
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if (pa->flags & POLYARRAY_IN_BEGIN)
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{
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// DrawElements should not cause a flush while building polydata's.
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// pa->aIndices can be reset by VA_DrawElementsBegin, so allow
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// the reset value as well.
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ASSERTOPENGL( (!pa->aIndices ||
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(pa->aIndices == PA_aIndices_INITIAL_VALUE)),
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"unexpected flush in DrawElements\n");
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if (pMsgBatchInfo->NextOffset == pa->nextMsgOffset)
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return(TRUE);
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GLSETERROR(GL_INVALID_OPERATION);
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pMsgBatchInfo->NextOffset = pa->nextMsgOffset;
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return(TRUE);
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}
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#ifdef PRIMITIVE_TRACK
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DbgPrint("! Reset on attention\n");
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#endif
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pa->pdBufferNext = pa->pdBuffer0; // reset vertex buffer pointer
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pa->nextMsgOffset = PA_nextMsgOffset_RESET_VALUE; // reset next DPA message offset
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if (pm = GLTEB_CLTPOLYMATERIAL())
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pm->iMat = 0; // reset material pointer
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pNullProcOffset = (ULONG *)((BYTE *)pMsgBatchInfo + pMsgBatchInfo->NextOffset);
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*pNullProcOffset = 0;
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbAttention: pd 0x%x has modified color pointer\n", pd);
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}
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}
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#endif
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bRet = __wglAttention();
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbAttention: pd 0x%x has BAD color pointer\n", pd);
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}
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}
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#endif
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// Clear the Evaluator state flags
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flags = GET_EVALSTATE (gc);
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flags = flags & ~(__EVALS_AFFECTS_1D_EVAL|
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__EVALS_AFFECTS_2D_EVAL|
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__EVALS_AFFECTS_ALL_EVAL|
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__EVALS_PUSH_EVAL_ATTRIB|
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__EVALS_POP_EVAL_ATTRIB);
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SET_EVALSTATE (gc, flags);
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pMsgBatchInfo->NextOffset = pMsgBatchInfo->FirstOffset;
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return(bRet);
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}
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/******************************Public*Routine******************************\
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* glsbResetBuffers
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*
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* Reset the command buffer, the poly array buffer, and the poly material
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* buffer.
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*
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* History:
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* Tue Jan 09 17:38:22 1996 -by- Hock San Lee [hockl]
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* Wrote it.
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\**************************************************************************/
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VOID APIENTRY glsbResetBuffers(BOOL bRestoreColorPointer)
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{
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GLMSGBATCHINFO *pMsgBatchInfo;
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POLYARRAY *pa;
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POLYMATERIAL *pm;
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GLMSG_DRAWPOLYARRAY *pMsgDrawPolyArray;
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pa = GLTEB_CLTPOLYARRAY();
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// Reset command buffer
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pMsgBatchInfo = (GLMSGBATCHINFO *) pa->pMsgBatchInfo;
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pMsgBatchInfo->NextOffset = pMsgBatchInfo->FirstOffset;
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#ifdef PRIMITIVE_TRACK
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DbgPrint("! Reset on ResetBuffers\n");
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#endif
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbResetBuffers: pd 0x%x has modified color pointer\n",pd);
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}
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}
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#endif
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// In COMPILE mode, restore color pointer in the vertex buffer that
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// may have been overwritten by the POLYARRAY structure. In normal
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// and COMPILE_AND_EXECUTE modes, the server takes care of this.
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// In addition, there can be no more than one DrawPolyArray command
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// in the batch in COMPILE mode.
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if (bRestoreColorPointer)
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{
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POLYARRAY *paCmd;
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POLYDATA *pd, *pdLast;
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// See also PolyArrayRestoreColorPointer
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#if DBG
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__GL_SETUP();
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ASSERTOPENGL(gc->dlist.mode == GL_COMPILE, "not in compile mode\n");
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#endif
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pMsgDrawPolyArray = (GLMSG_DRAWPOLYARRAY *)
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((BYTE *) pMsgBatchInfo + pa->nextMsgOffset -
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GLMSG_ALIGN(sizeof(GLMSG_DRAWPOLYARRAY)));
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paCmd = (POLYARRAY *) pMsgDrawPolyArray->paLast;
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ASSERTOPENGL(pMsgDrawPolyArray->pa0 == pMsgDrawPolyArray->paLast &&
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paCmd->paNext == NULL,
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"DrawPolyArray chain unexpected in COMPILE mode\n");
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// Reset color pointer in output index array
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if (paCmd->aIndices && (paCmd->aIndices != PA_aIndices_INITIAL_VALUE))
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{
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pdLast = (POLYDATA *) (paCmd->aIndices + paCmd->nIndices);
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for (pd = (POLYDATA *) paCmd->aIndices; pd < pdLast; pd++)
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pd->color = &pd->colors[__GL_FRONTFACE];
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ASSERTOPENGL(pd >= pa->pdBuffer0 &&
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pd <= pa->pdBufferMax + 1,
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"bad polyarray pointer\n");
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}
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// Reset color pointer in the POLYARRAY structure last!
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ASSERTOPENGL((POLYDATA *) paCmd >= pa->pdBuffer0 &&
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(POLYDATA *) paCmd <= pa->pdBufferMax,
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"bad polyarray pointer\n");
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((POLYDATA *) paCmd)->color =
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&((POLYDATA *) paCmd)->colors[__GL_FRONTFACE];
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}
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// Reset material pointer
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if (pm = GLTEB_CLTPOLYMATERIAL())
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pm->iMat = 0;
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// Reset vertex buffer pointer
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pa->pdBufferNext = pa->pdBuffer0;
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// Reset next DPA message offset
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pa->nextMsgOffset = PA_nextMsgOffset_RESET_VALUE;
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#if POLYARRAY_CHECK_COLOR_POINTERS
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{
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POLYDATA *pd;
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for (pd = pa->pdBuffer0; pd < pa->pdBufferMax; pd++)
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{
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if (pd->color != &pd->colors[__GL_FRONTFACE])
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DbgPrint("glsbResetBuffers: pd 0x%x has BAD color pointer\n", pd);
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}
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}
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#endif
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}
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#if 0
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// REWRITE THIS IF NEEDED
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/******************************Public*Routine******************************\
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* glsbMsgStats
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*
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* Batch area statistics.
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*
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*
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* History:
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\**************************************************************************/
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BOOL APIENTRY
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glsbMsgStats ( LONG Action, GLMSGBATCHSTATS *BatchStats )
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{
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#ifdef DOGLMSGBATCHSTATS
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ULONG Result;
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GLMSGBATCHINFO *pMsgBatchInfo;
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pMsgBatchInfo = GLTEB_SHAREDMEMORYSECTION();
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if ( GLMSGBATCHSTATS_GETSTATS == Action )
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{
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BatchStats->ClientCalls = pMsgBatchInfo->BatchStats.ClientCalls;
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}
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else
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{
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pMsgBatchInfo->BatchStats.ClientCalls = 0;
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}
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// reset user's poll count so it counts this as output
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// put it right next to BEGINMSG so that NtCurrentTeb() is optimized
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RESETUSERPOLLCOUNT();
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BEGINMSG( MSG_GLMSGBATCHSTATS, GLSBMSGSTATS )
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pmsg->Action = Action;
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Result = CALLSERVER();
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if ( TRUE == Result )
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{
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if ( GLMSGBATCHSTATS_GETSTATS == Action )
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{
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BatchStats->ServerTrips = pmsg->BatchStats.ServerTrips;
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|
|
BatchStats->ServerCalls = pmsg->BatchStats.ServerCalls;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DBGERROR("glsbMsgStats(): Server returned FALSE\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
ENDMSG
|
||
|
|
MSGERROR:
|
||
|
|
return((BOOL)Result);
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
return(FALSE);
|
||
|
|
|
||
|
|
#endif /* DOGLMSGBATCHSTATS */
|
||
|
|
}
|
||
|
|
#endif // 0
|