reactos/lib/opengl32/opengl32.h

   1 /* $Id: opengl32.h,v 1.14 2004/02/12 23:56:15 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 #ifdef __cplusplus
  16 extern "C" {
  17 #endif//__cplusplus
  18
  19 /* gl function list */
  20 #include "glfuncs.h"
  21
  22 /* ICD index list/types */
  23 #include "icdtable.h"
  24
  25 /* debug flags */
  26 #if !defined(NDEBUG)
  27 # define DEBUG_OPENGL32
  28 # define DEBUG_OPENGL32_BRKPTS          /* enable breakpoints */
  29 # define DEBUG_OPENGL32_ICD_EXPORTS     /* dumps the list of (un)supported glXXX
  30                                        functions when an ICD is loaded. */
  31 #endif /* !NDEBUG */
  32
  33 /* debug macros */
  34 #ifdef _MSC_VER
  35 inline void DBGPRINT ( ... ) {}
  36 #else
  37 # ifdef DEBUG_OPENGL32
  38 ULONG DbgPrint(PCH Format,...);
  39 #  include <debug.h>
  40 #  define DBGPRINT( fmt, args... ) \
  41           DPRINT( "OpenGL32.DLL: %s: "fmt"\n", __FUNCTION__, ##args )
  42 # else
  43 #  define DBGPRINT( ... ) do {} while (0)
  44 # endif
  45 #endif
  46
  47 #ifdef DEBUG_OPENGL32_BRKPTS
  48 # if defined(__GNUC__)
  49 #  define DBGBREAK() __asm__( "int $3" );
  50 # elif defined(_MSC_VER)
  51 #  define DBGBREAK() __asm { int 3 }
  52 # else
  53 #  error Unsupported compiler!
  54 # endif
  55 #endif
  56
  57 /* function/data attributes */
  58 #define EXPORT __declspec(dllexport)
  59 #ifdef _MSC_VER
  60 #  define NAKED __declspec(naked)
  61 #  define SHARED
  62 #  ifndef STDCALL
  63 #    define STDCALL __stdcall
  64 #  endif/*STDCALL*/
  65 #else /* GCC */
  66 #  define NAKED __attribute__((naked))
  67 #  define SHARED __attribute__((section("shared"), shared))
  68 #endif
  69
  70 #ifdef APIENTRY
  71 #undef APIENTRY
  72 #endif//APIENTRY
  73 #define APIENTRY EXPORT __stdcall
  74
  75 /* gl function list */
  76 #include "glfuncs.h"
  77
  78 /* GL data types - x86 typedefs */
  79 typedef unsigned int GLenum;
  80 typedef unsigned char GLboolean;
  81 typedef unsigned int GLbitfield;
  82 typedef signed char GLbyte;
  83 typedef short GLshort;
  84 typedef int GLint;
  85 typedef int GLsizei;
  86 typedef unsigned char GLubyte;
  87 typedef unsigned short GLushort;
  88 typedef unsigned int GLuint;
  89 typedef unsigned short GLhalf;
  90 typedef float GLfloat;
  91 typedef float GLclampf;
  92 typedef double GLdouble;
  93 typedef double GLclampd;
  94 typedef void GLvoid;
  95
  96 /* Called by the driver to set the dispatch table */
  97 typedef DWORD APIENTRY (*SetContextCallBack)( const ICDTable * );
  98
  99 /* OpenGL ICD data */
 100 typedef struct tagGLDRIVERDATA
 101 {
 102         HMODULE handle;                 /* DLL handle */
 103         UINT    refcount;               /* number of references to this ICD */
 104         WCHAR   driver_name[256];       /* name of display driver */
 105
 106         WCHAR   dll[256];               /* Dll value from registry */
 107         DWORD   version;                /* Version value from registry */
 108         DWORD   driver_version;         /* DriverVersion value from registry */
 109         DWORD   flags;                  /* Flags value from registry */
 110
 111         BOOL      APIENTRY (*DrvCopyContext)( HGLRC, HGLRC, UINT );
 112         HGLRC     APIENTRY (*DrvCreateContext)( HDC );
 113         HGLRC     APIENTRY (*DrvCreateLayerContext)( HDC, int );
 114         BOOL      APIENTRY (*DrvDeleteContext)( HGLRC );
 115         BOOL      APIENTRY (*DrvDescribeLayerPlane)( HDC, int, int, UINT, LPLAYERPLANEDESCRIPTOR );
 116         int       APIENTRY (*DrvDescribePixelFormat)( IN HDC, IN int, IN UINT, OUT LPPIXELFORMATDESCRIPTOR );
 117         int       APIENTRY (*DrvGetLayerPaletteEntries)( HDC, int, int, int, COLORREF * );
 118         PROC      APIENTRY (*DrvGetProcAddress)( LPCSTR lpProcName );
 119         void      APIENTRY (*DrvReleaseContext)();
 120         BOOL      APIENTRY (*DrvRealizeLayerPalette)( HDC, int, BOOL );
 121         PICDTable APIENTRY (*DrvSetContext)( HDC hdc, HGLRC hglrc, SetContextCallBack callback );
 122         int       APIENTRY (*DrvSetLayerPaletteEntries)( HDC, int, int, int, CONST COLORREF * );
 123         BOOL      APIENTRY (*DrvSetPixelFormat)( IN HDC, IN int, IN CONST PIXELFORMATDESCRIPTOR * );
 124         BOOL      APIENTRY (*DrvShareLists)( HGLRC, HGLRC );
 125         BOOL      APIENTRY (*DrvSwapBuffers)( HDC );
 126         BOOL      APIENTRY (*DrvSwapLayerBuffers)( HDC, UINT );
 127         BOOL      APIENTRY (*DrvValidateVersion)( DWORD );
 128
 129         struct tagGLDRIVERDATA *next;   /* next ICD -- linked list */
 130 } GLDRIVERDATA;
 131
 132 /* Out private OpenGL context (saved in TLS) */
 133 typedef struct tagGLRC
 134 {
 135         GLDRIVERDATA *icd;  /* driver used for this context */
 136         HDC     hdc;        /* DC handle */
 137         BOOL    is_current; /* wether this context is current for some DC */
 138         DWORD   thread_id;  /* thread holding this context */
 139
 140         HGLRC   hglrc;      /* GLRC from DrvCreateContext */
 141
 142         struct tagGLRC *next; /* linked list */
 143 } GLRC;
 144
 145 /* Process data */
 146 typedef struct tagGLPROCESSDATA
 147 {
 148         GLDRIVERDATA *driver_list;  /* list of loaded drivers */
 149         HANDLE        driver_mutex; /* mutex to protect driver list */
 150         GLRC  *glrc_list;           /* list of GL rendering contexts */
 151         HANDLE glrc_mutex;          /* mutex to protect glrc list */
 152         HDC    cachedHdc;           /* cached HDC from last SetPixelFormat */
 153         INT    cachedFormat;        /* cached format from last SetPixelFormat */
 154 } GLPROCESSDATA;
 155
 156 /* TLS data */
 157 typedef struct tagGLTHREADDATA
 158 {
 159         GLRC   *glrc;      /* current GL rendering context */
 160 } GLTHREADDATA;
 161
 162 extern DWORD OPENGL32_tls;
 163 extern GLPROCESSDATA OPENGL32_processdata;
 164 #define OPENGL32_threaddata ((GLTHREADDATA *)TlsGetValue( OPENGL32_tls ))
 165
 166 /* function prototypes */
 167 GLDRIVERDATA *OPENGL32_LoadICDForHDC( HDC hdc );
 168 GLDRIVERDATA *OPENGL32_LoadICD( LPCWSTR driver );
 169 BOOL OPENGL32_UnloadICD( GLDRIVERDATA *icd );
 170 DWORD OPENGL32_RegEnumDrivers( DWORD idx, LPWSTR name, LPDWORD cName );
 171 DWORD OPENGL32_RegGetDriverInfo( LPCWSTR driver, GLDRIVERDATA *icd );
 172
 173 /* empty gl functions from gl.c */
 174 int STDCALL glEmptyFunc0();
 175 int STDCALL glEmptyFunc4( long );
 176 int STDCALL glEmptyFunc8( long, long );
 177 int STDCALL glEmptyFunc12( long, long, long );
 178 int STDCALL glEmptyFunc16( long, long, long, long );
 179 int STDCALL glEmptyFunc20( long, long, long, long, long );
 180 int STDCALL glEmptyFunc24( long, long, long, long, long, long );
 181 int STDCALL glEmptyFunc28( long, long, long, long, long, long, long );
 182 int STDCALL glEmptyFunc32( long, long, long, long, long, long, long, long );
 183 int STDCALL glEmptyFunc36( long, long, long, long, long, long, long, long,
 184                            long );
 185 int STDCALL glEmptyFunc40( long, long, long, long, long, long, long, long,
 186                            long, long );
 187 int STDCALL glEmptyFunc44( long, long, long, long, long, long, long, long,
 188                            long, long, long );
 189 int STDCALL glEmptyFunc48( long, long, long, long, long, long, long, long,
 190                            long, long, long, long );
 191 int STDCALL glEmptyFunc52( long, long, long, long, long, long, long, long,
 192                            long, long, long, long, long );
 193 int STDCALL glEmptyFunc56( long, long, long, long, long, long, long, long,
 194                            long, long, long, long, long, long );
 195
 196 #define X(func,ret,typeargs,args,icdidx,tebidx,stack) EXPORT ret STDCALL func typeargs;
 197 GLFUNCS_MACRO
 198 #undef X
 199
 200 #ifdef __cplusplus
 201 }; // extern "C"
 202 #endif//__cplusplus
 203
 204 #endif//OPENGL32_PRIVATE_H
 205
 206 /* EOF */