reactos/lib/opengl32/opengl32.h

   1 /* $Id: opengl32.h,v 1.10 2004/02/06 17:22:55 royce Exp $
   2  *
   3  * COPYRIGHT:            See COPYING in the top level directory
   4  * PROJECT:              ReactOS kernel
   5  * FILE:                 lib/opengl32/opengl32.h
   6  * PURPOSE:              OpenGL32 lib
   7  * PROGRAMMER:           Royce Mitchell III, Anich Gregor (blight)
   8  * UPDATE HISTORY:
   9  *                       Feb 1, 2004: Created
  10  */
  11
  12 #ifndef OPENGL32_PRIVATE_H
  13 #define OPENGL32_PRIVATE_H
  14
  15 /* gl function list */
  16 #include "glfuncs.h"
  17
  18 /* ICD index list/types */
  19 #include "icdtable.h"
  20
  21 /* debug flags */
  22 #if !defined(NDEBUG)
  23 # define DEBUG_OPENGL32
  24 # define DEBUG_OPENGL32_BRKPTS          /* enable breakpoints */
  25 # define DEBUG_OPENGL32_ICD_EXPORTS     /* dumps the list of (un)supported glXXX
  26                                        functions when an ICD is loaded. */
  27 #endif /* !NDEBUG */
  28
  29 /* debug macros */
  30 #ifdef DEBUG_OPENGL32 /* FIXME: DPRINT wants DbgPrint - where is it? */
  31 ULONG DbgPrint(PCH Format,...);
  32 # include <debug.h>
  33 # define DBGPRINT( fmt, args... ) \
  34          DPRINT( "OpenGL32.DLL: %s: "fmt"\n", __FUNCTION__, ##args )
  35 #else
  36 # define DBGPRINT( ... ) do {} while (0)
  37 #endif
  38
  39 #ifdef DEBUG_OPENGL32_BRKPTS
  40 # if defined(__GNUC__)
  41 #  define DBGBREAK() __asm__( "int $3" );
  42 # elif defined(_MSC_VER)
  43 #  define DBGBREAK() __asm { int 3 }
  44 # else
  45 #  error Unsupported compiler!
  46 # endif
  47 #endif
  48
  49 #if 0
  50 /* table indices for funcnames and function pointers */
  51 enum glfunc_indices
  52 {
  53         GLIDX_INVALID = -1,
  54 #define X(func, ret, typeargs, args) GLIDX_##func,
  55         GLFUNCS_MACRO
  56 #undef X
  57         GLIDX_COUNT
  58 };
  59
  60 /* function name table */
  61 extern const char* OPENGL32_funcnames[GLIDX_COUNT];
  62 #endif
  63
  64 /* Called by the driver to set the dispatch table */
  65 typedef DWORD (CALLBACK * SetContextCallBack)( const ICDTable * );
  66
  67 /* OpenGL ICD data */
  68 typedef struct tagGLDRIVERDATA
  69 {
  70         HMODULE handle;                 /* DLL handle */
  71         UINT    refcount;               /* number of references to this ICD */
  72         WCHAR   driver_name[256];       /* name of display driver */
  73
  74         WCHAR   dll[256];               /* Dll value from registry */
  75         DWORD   version;                /* Version value from registry */
  76         DWORD   driver_version;         /* DriverVersion value from registry */
  77         DWORD   flags;                  /* Flags value from registry */
  78
  79         BOOL    (*DrvCopyContext)( HGLRC, HGLRC, UINT );
  80         HGLRC   (*DrvCreateContext)( HDC );
  81         HGLRC   (*DrvCreateLayerContext)( HDC, int );
  82         BOOL    (*DrvDeleteContext)( HGLRC );
  83         BOOL    (*DrvDescribeLayerPlane)( HDC, int, int, UINT, LPLAYERPLANEDESCRIPTOR );
  84         int     (*DrvDescribePixelFormat)( IN HDC, IN int, IN UINT, OUT LPPIXELFORMATDESCRIPTOR );
  85         int     (*DrvGetLayerPaletteEntries)( HDC, int, int, int, COLORREF * );
  86         FARPROC (*DrvGetProcAddress)( LPCSTR lpProcName );
  87         void    (*DrvReleaseContext)();
  88         BOOL    (*DrvRealizeLayerPalette)( HDC, int, BOOL );
  89         int     (*DrvSetContext)( HDC hdc, HGLRC hglrc, SetContextCallBack callback );
  90         int     (*DrvSetLayerPaletteEntries)( HDC, int, int, int, CONST COLORREF * );
  91         BOOL    (*DrvSetPixelFormat)( IN HDC, IN int, IN CONST PIXELFORMATDESCRIPTOR * );
  92         BOOL    (*DrvShareLists)( HGLRC, HGLRC );
  93         BOOL    (*DrvSwapBuffers)( HDC );
  94         BOOL    (*DrvSwapLayerBuffers)( HDC, UINT );
  95         BOOL    (*DrvValidateVersion)( DWORD );
  96
  97         struct tagGLDRIVERDATA *next;   /* next ICD -- linked list */
  98 } GLDRIVERDATA;
  99
 100 /* Out private OpenGL context (saved in TLS) */
 101 typedef struct tagGLRC
 102 {
 103         GLDRIVERDATA *icd;  /* driver used for this context */
 104         INT     iFormat;    /* current pixel format index - ? */
 105         HDC     hdc;        /* DC handle */
 106         BOOL    is_current; /* wether this context is current for some DC */
 107         DWORD   thread_id;  /* thread holding this context */
 108
 109         HGLRC   hglrc;      /* GLRC from DrvCreateContext */
 110
 111         struct tagGLRC *next; /* linked list */
 112 } GLRC;
 113
 114 /* Process data */
 115 typedef struct tagGLPROCESSDATA
 116 {
 117         GLDRIVERDATA *driver_list;  /* list of loaded drivers */
 118         HANDLE        driver_mutex; /* mutex to protect driver list */
 119         GLRC  *glrc_list;           /* list of GL rendering contexts */
 120         HANDLE glrc_mutex;          /* mutex to protect glrc list */
 121 } GLPROCESSDATA;
 122
 123 /* TLS data */
 124 typedef struct tagGLTHREADDATA
 125 {
 126         GLRC   *glrc;      /* current GL rendering context */
 127 } GLTHREADDATA;
 128
 129 extern DWORD OPENGL32_tls;
 130 extern GLPROCESSDATA OPENGL32_processdata;
 131 #define OPENGL32_threaddata ((GLTHREADDATA *)TlsGetValue( OPENGL32_tls ))
 132
 133 /* function prototypes */
 134 GLDRIVERDATA *OPENGL32_LoadICDForHDC( HDC hdc );
 135 GLDRIVERDATA *OPENGL32_LoadICD( LPCWSTR driver );
 136 BOOL OPENGL32_UnloadICD( GLDRIVERDATA *icd );
 137 DWORD OPENGL32_RegEnumDrivers( DWORD idx, LPWSTR name, LPDWORD cName );
 138 DWORD OPENGL32_RegGetDriverInfo( LPCWSTR driver, GLDRIVERDATA *icd );
 139
 140 /* empty gl functions from gl.c */
 141 int STDCALL glEmptyFunc0();
 142 int STDCALL glEmptyFunc4( long );
 143 int STDCALL glEmptyFunc8( long, long );
 144 int STDCALL glEmptyFunc12( long, long, long );
 145 int STDCALL glEmptyFunc16( long, long, long, long );
 146 int STDCALL glEmptyFunc20( long, long, long, long, long );
 147 int STDCALL glEmptyFunc24( long, long, long, long, long, long );
 148 int STDCALL glEmptyFunc28( long, long, long, long, long, long, long );
 149 int STDCALL glEmptyFunc32( long, long, long, long, long, long, long, long );
 150 int STDCALL glEmptyFunc36( long, long, long, long, long, long, long, long,
 151                            long );
 152 int STDCALL glEmptyFunc40( long, long, long, long, long, long, long, long,
 153                            long, long );
 154 int STDCALL glEmptyFunc44( long, long, long, long, long, long, long, long,
 155                            long, long, long );
 156 int STDCALL glEmptyFunc48( long, long, long, long, long, long, long, long,
 157                            long, long, long, long );
 158 int STDCALL glEmptyFunc52( long, long, long, long, long, long, long, long,
 159                            long, long, long, long, long );
 160 int STDCALL glEmptyFunc56( long, long, long, long, long, long, long, long,
 161                            long, long, long, long, long, long );
 162
 163 #endif//OPENGL32_PRIVATE_H
 164
 165 /* EOF */