341 lines
9.3 KiB
NASM
341 lines
9.3 KiB
NASM
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;---------------------------Module-Header------------------------------;
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; Module Name: dl_opt.asm
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;
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; OpenGL display-list function entries for i386.
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;
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; Created: 09/20/1996
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; Author: Otto Berkes [ottob]
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;
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; Copyright (c) 1996 Microsoft Corporation
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;----------------------------------------------------------------------;
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.386
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.model small, pascal
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assume cs:FLAT,ds:FLAT,es:FLAT,ss:FLAT
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assume fs:nothing,gs:nothing
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.xlist
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include ks386.inc
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include gli386.inc
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PROFILE = 0
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include profile.inc
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.list
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OPTION PROLOGUE:NONE
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OPTION EPILOGUE:NONE
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@PolyArrayFlushPartialPrimitive@0 PROTO SYSCALL
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__imp__OutputDebugStringA@4 PROTO SYSCALL
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.data
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ifdef DBG
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warningStr db 'Display list: playing back POLYDATA outside BEGIN!', 13, 10, 0
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endif
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.code
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__GL_PDATA_FUNC MACRO name
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public @&name&@8
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@&name&@8 PROC
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PROF_ENTRY
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mov eax, [ecx].GC_paTeb ;; eax = pa
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push ebx
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push esi
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push edi
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if __DL_PDATA_C3F
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mov ecx, [ecx].GC_alphaVertexScale
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endif
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@again:
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;; if (pa->flags & POLYARRAY_IN_BEGIN) {
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;; pd = pa->pdNextVertex++;
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;; pa->flags |= __DL_PDATA_PA_FLAGS;
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mov ebx, [eax].PA_flags ;; ebx = flags
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mov esi, [eax].PA_pdNextVertex ;; esi = pd
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test ebx, POLYARRAY_IN_BEGIN
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lea edi, [esi + sizeof_POLYDATA]
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je @notInBegin
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mov [eax].PA_pdNextVertex, edi
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or ebx, __DL_PDATA_PA_FLAGS
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;; pd->flags |= __DL_PDATA_PD_FLAGS;
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mov edi, [esi].PD_flags
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mov [eax].PA_flags, ebx
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or edi, __DL_PDATA_PD_FLAGS
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if __DL_PDATA_C3F
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;; pd->color[0].a = gc->alphaVertexScale;
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mov [esi][PD_colors0 + 12], ecx
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endif
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;;
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;; CACHE !!!
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;;
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;; In the logic below, we try to fill cache lines before we need them
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;; by reading into registers that to not use the contents that they
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;; fetched. Unfortunatly, the data in the display list is not cached-
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;; aligned, so this will be hit-and-miss. It does, however, make a
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;; measurable difference.
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;;
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if __DL_PDATA_T2F
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;; pa->pdCurTexture = pd;
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mov [eax].PA_pdCurTexture, esi
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mov ecx, [edx][__DL_PDATA_TEXTURE_OFFSET + 0] ;; fill cache
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endif
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if __DL_PDATA_C3F OR __DL_PDATA_C4F
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;; pa->pdCurColor = pd;
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mov [eax].PA_pdCurColor, esi
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mov ebx, [edx][__DL_PDATA_COLOR_OFFSET + 0] ;; fill cache
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endif
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if __DL_PDATA_N3F
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;; pa->pdCurNormal = pd;
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mov [eax].PA_pdCurNormal, esi
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mov ecx, [edx][__DL_PDATA_NORMAL_OFFSET + 0] ;; fill cache
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endif
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if __DL_PDATA_V2F or __DL_PDATA_V3F
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mov ebx, [edx][__DL_PDATA_VERTEX_OFFSET + 0] ;; fill cache
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endif
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;; finally, store pd flags:
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mov [esi].PD_flags, edi
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;; Update pd attributes.
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;; constant: esi, edi, eax, edx
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;; free: ebx, ecx
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if __DL_PDATA_T2F
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;; Texture coord
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;; pd->texture.x = ((__GLcoord *) &PC[__DL_PDATA_TEXTURE_OFFSET])->x;
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;; pd->texture.y = ((__GLcoord *) &PC[__DL_PDATA_TEXTURE_OFFSET])->y;
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;; pd->texture.z = __glZero;
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;; pd->texture.w = __glOne;
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mov ebx, [edx][__DL_PDATA_TEXTURE_OFFSET + 0]
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mov ecx, [edx][__DL_PDATA_TEXTURE_OFFSET + 4]
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mov [esi][PD_texture + 0 ], ebx
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mov [esi][PD_texture + 4 ], ecx
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mov DWORD PTR [esi][PD_texture + 8 ], 0
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mov DWORD PTR [esi][PD_texture + 12], __FLOAT_ONE;
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endif
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if __DL_PDATA_C3F
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;; Color
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;; pd->color[0].r = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->r;
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;; pd->color[0].g = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->g;
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;; pd->color[0].b = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->b;
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mov ebx, [edx][__DL_PDATA_COLOR_OFFSET + 0]
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mov ecx, [edx][__DL_PDATA_COLOR_OFFSET + 4]
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mov edi, [edx][__DL_PDATA_COLOR_OFFSET + 8]
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mov [esi][PD_colors0 + 0 ], ebx
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mov [esi][PD_colors0 + 4 ], ecx
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mov [esi][PD_colors0 + 8 ], edi
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elseif __DL_PDATA_C4F
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;; Color
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;; pd->color[0] = *((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET]);
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mov ebx, [edx][__DL_PDATA_COLOR_OFFSET + 0]
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mov ecx, [edx][__DL_PDATA_COLOR_OFFSET + 4]
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mov [esi][PD_colors0 + 0 ], ebx
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mov [esi][PD_colors0 + 4 ], ecx
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mov ebx, [edx][__DL_PDATA_COLOR_OFFSET + 8]
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mov ecx, [edx][__DL_PDATA_COLOR_OFFSET + 12]
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mov [esi][PD_colors0 + 8 ], ebx
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mov [esi][PD_colors0 + 12], ecx
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endif
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if __DL_PDATA_N3F
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;; Normal
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;; pd->normal.x = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->x;
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;; pd->normal.y = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->y;
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;; pd->normal.z = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->z;
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mov ebx, [edx][__DL_PDATA_NORMAL_OFFSET + 0]
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mov ecx, [edx][__DL_PDATA_NORMAL_OFFSET + 4]
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mov edi, [edx][__DL_PDATA_NORMAL_OFFSET + 8]
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mov [esi][PD_normal + 0 ], ebx
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mov [esi][PD_normal + 4 ], ecx
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mov [esi][PD_normal + 8 ], edi
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endif
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if __DL_PDATA_V2F
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;; Vertex
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;; pd->obj.x = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->x;
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;; pd->obj.y = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->y;
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;; pd->obj.z = __glZero;
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;; pd->obj.w = __glOne;
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mov ebx, [edx][__DL_PDATA_VERTEX_OFFSET + 0]
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mov ecx, [edx][__DL_PDATA_VERTEX_OFFSET + 4]
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mov [esi][PD_obj + 0 ], ebx
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mov [esi][PD_obj + 4 ], ecx
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mov DWORD PTR [esi][PD_OBJ + 8 ], 0
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mov DWORD PTR [esi][PD_obj + 12], __FLOAT_ONE
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elseif __DL_PDATA_V3F
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;; Vertex
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;; pd->obj.x = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->x;
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;; pd->obj.y = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->y;
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;; pd->obj.z = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->z;
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;; pd->obj.w = __glOne;
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mov ebx, [__DL_PDATA_VERTEX_OFFSET + 0][edx]
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mov ecx, [__DL_PDATA_VERTEX_OFFSET + 4][edx]
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mov edi, [__DL_PDATA_VERTEX_OFFSET + 8][edx]
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mov [esi][PD_obj + 0 ], ebx
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mov [esi][PD_obj + 4 ], ecx
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mov [esi][PD_obj + 8 ], edi
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mov DWORD PTR [esi][PD_obj + 12], __FLOAT_ONE
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endif
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;; pd[1].flags = 0;
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;; if (pd >= pa->pdFlush)
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;; PolyArrayFlushPartialPrimitive();
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mov ebx, [eax].PA_pdFlush
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mov DWORD PTR [esi][sizeof_POLYDATA + PD_flags], 0
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cmp ebx, esi
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mov ebx, [edx - 4]
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mov ecx, [edx + __DL_PDATA_SIZE]
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ja @noFlush
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push esi
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push edi
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push eax
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push ebx
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push ecx
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push edx
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call @PolyArrayFlushPartialPrimitive@0
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pop edx
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pop ecx
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pop ebx
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pop eax
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pop edi
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pop esi
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@noFlush:
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cmp ebx, ecx
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jne @doExit
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lea edx, [edx + __DL_PDATA_SIZE + 4]
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if __DL_PDATA_C3F
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mov ecx, [esi][PD_colors0 + 12]
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endif
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jmp @again
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@doExit:
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lea eax, [edx + __DL_PDATA_SIZE]
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pop edi
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pop esi
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pop ebx
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ret 0
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@notInBegin:
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ifdef DBG
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push edx
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push offset warningStr
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call DWORD PTR __imp__OutputDebugStringA@4
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pop edx
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endif
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lea eax, [edx + __DL_PDATA_SIZE]
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pop edi
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pop esi
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pop ebx
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ret 0
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@&name&@8 ENDP
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ENDM
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;; Define fast playback routines for PolyData records.
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__GLLE_POLYDATA_C3F_V3F = 0
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__GLLE_POLYDATA_N3F_V3F = 0
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__GLLE_POLYDATA_C3F_N3F_V3F = 0
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__GLLE_POLYDATA_C4F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_V3F = 0
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__GLLE_POLYDATA_T2F_C3F_V3F = 0
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__GLLE_POLYDATA_T2F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_C3F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_C4F_N3F_V3F = 0
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__GLLE_POLYDATA_C3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_C3F_V3F>
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__GLLE_POLYDATA_C3F_V3F = 0
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__GLLE_POLYDATA_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_N3F_V3F>
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__GLLE_POLYDATA_N3F_V3F = 0
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__GLLE_POLYDATA_C3F_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_C3F_N3F_V3F>
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__GLLE_POLYDATA_C3F_N3F_V3F = 0
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__GLLE_POLYDATA_C4F_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_C4F_N3F_V3F>
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__GLLE_POLYDATA_C4F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_T2F_V3F>
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__GLLE_POLYDATA_T2F_V3F = 0
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__GLLE_POLYDATA_T2F_C3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_T2F_C3F_V3F>
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__GLLE_POLYDATA_T2F_C3F_V3F = 0
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__GLLE_POLYDATA_T2F_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_T2F_N3F_V3F>
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__GLLE_POLYDATA_T2F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_C3F_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_T2F_C3F_N3F_V3F>
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__GLLE_POLYDATA_T2F_C3F_N3F_V3F = 0
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__GLLE_POLYDATA_T2F_C4F_N3F_V3F = 1
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include dl_pdata.inc
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__GL_PDATA_FUNC <__glle_PolyData_T2F_C4F_N3F_V3F>
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__GLLE_POLYDATA_T2F_C4F_N3F_V3F = 0
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end
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