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      1 /**
      2  * This file is part of the mingw-w64 runtime package.
      3  * No warranty is given; refer to the file DISCLAIMER within this package.
      4  */
      5 
      6 #ifndef __DMEMMGR_INCLUDED__
      7 #define __DMEMMGR_INCLUDED__
      8 
      9 #include <winapifamily.h>
     10 
     11 #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
     12 
     13 #define VMEMHEAP_LINEAR __MSABI_LONG(0x1)
     14 #define VMEMHEAP_RECTANGULAR __MSABI_LONG(0x2)
     15 #define VMEMHEAP_ALIGNMENT __MSABI_LONG(0x4)
     16 
     17 #define SURFACEALIGN_DISCARDABLE __MSABI_LONG(0x1)
     18 
     19 #ifdef __cplusplus
     20 extern "C" {
     21 #endif
     22 
     23   typedef ULONG_PTR FLATPTR;
     24 
     25   typedef struct _SURFACEALIGNMENT {
     26     __C89_NAMELESS union {
     27       struct {
     28 	DWORD dwStartAlignment;
     29 	DWORD dwPitchAlignment;
     30 	DWORD dwFlags;
     31 	DWORD dwReserved2;
     32       } Linear;
     33       struct {
     34 	DWORD dwXAlignment;
     35 	DWORD dwYAlignment;
     36 	DWORD dwFlags;
     37 	DWORD dwReserved2;
     38       } Rectangular;
     39     };
     40   } SURFACEALIGNMENT;
     41 
     42   typedef struct _HEAPALIGNMENT {
     43     DWORD dwSize;
     44     DDSCAPS ddsCaps;
     45     DWORD dwReserved;
     46     SURFACEALIGNMENT ExecuteBuffer;
     47     SURFACEALIGNMENT Overlay;
     48     SURFACEALIGNMENT Texture;
     49     SURFACEALIGNMENT ZBuffer;
     50     SURFACEALIGNMENT AlphaBuffer;
     51     SURFACEALIGNMENT Offscreen;
     52     SURFACEALIGNMENT FlipTarget;
     53   } HEAPALIGNMENT;
     54 
     55   typedef struct _DD_GETHEAPALIGNMENTDATA {
     56     ULONG_PTR dwInstance;
     57     DWORD dwHeap;
     58     HRESULT ddRVal;
     59     VOID *GetHeapAlignment;
     60     HEAPALIGNMENT Alignment;
     61   } DD_GETHEAPALIGNMENTDATA;
     62 
     63   typedef struct _VMEML {
     64     struct _VMEML *next;
     65     FLATPTR ptr;
     66     DWORD size;
     67     WINBOOL bDiscardable;
     68   } VMEML,*LPVMEML,**LPLPVMEML;
     69 
     70   typedef struct _VMEMR {
     71     struct _VMEMR *next;
     72     struct _VMEMR *prev;
     73     struct _VMEMR *pUp;
     74     struct _VMEMR *pDown;
     75     struct _VMEMR *pLeft;
     76     struct _VMEMR *pRight;
     77     FLATPTR ptr;
     78     DWORD size;
     79     DWORD x;
     80     DWORD y;
     81     DWORD cx;
     82     DWORD cy;
     83     DWORD flags;
     84     FLATPTR pBits;
     85     WINBOOL bDiscardable;
     86   } VMEMR,*LPVMEMR,**LPLPVMEMR;
     87 
     88   typedef struct _VMEMHEAP {
     89     DWORD dwFlags;
     90     DWORD stride;
     91     LPVOID freeList;
     92     LPVOID allocList;
     93     DWORD dwTotalSize;
     94     FLATPTR fpGARTLin;
     95     FLATPTR fpGARTDev;
     96     DWORD dwCommitedSize;
     97     DWORD dwCoalesceCount;
     98     HEAPALIGNMENT Alignment;
     99     DDSCAPSEX ddsCapsEx;
    100     DDSCAPSEX ddsCapsExAlt;
    101 #ifndef IS_16
    102     LARGE_INTEGER liPhysAGPBase;
    103 #endif
    104     HANDLE hdevAGP;
    105     LPVOID pvPhysRsrv;
    106 #if NTDDI_VERSION >= 0x05010000
    107     BYTE *pAgpCommitMask;
    108     DWORD dwAgpCommitMaskSize;
    109 #endif
    110   } VMEMHEAP;
    111 
    112 #ifndef __NTDDKCOMP__
    113   typedef struct _VIDMEM *LPVIDMEM;
    114 #else
    115   typedef struct _VIDEOMEMORY *LPVIDMEM;
    116 #endif
    117 
    118   typedef struct _SURFACEALIGNMENT *LPSURFACEALIGNMENT;
    119   typedef struct _HEAPALIGNMENT *LPHEAPALIGNMENT;
    120   typedef struct _DD_GETHEAPALIGNMENTDATA *PDD_GETHEAPALIGNMENTDATA;
    121   typedef VMEMHEAP *LPVMEMHEAP;
    122 
    123 #ifndef __NTDDKCOMP__
    124   extern FLATPTR WINAPI VidMemAlloc (LPVMEMHEAP pvmh, DWORD width, DWORD height);
    125 #endif
    126   extern FLATPTR WINAPI HeapVidMemAllocAligned (LPVIDMEM lpVidMem, DWORD dwWidth, DWORD dwHeight, LPSURFACEALIGNMENT lpAlignment, LPLONG lpNewPitch);
    127   extern void WINAPI VidMemFree (LPVMEMHEAP pvmh, FLATPTR ptr);
    128 
    129 #ifdef __cplusplus
    130 };
    131 #endif
    132 
    133 #endif
    134 #endif
    135