dll/win32/opengl32/opengl32.h

   1 /*
   2  * COPYRIGHT:            See COPYING in the top level directory
   3  * PROJECT:              ReactOS kernel
   4  * FILE:                 lib/opengl32/opengl32.h
   5  * PURPOSE:              OpenGL32 lib
   6  * PROGRAMMER:           Royce Mitchell III, Anich Gregor (blight)
   7  * UPDATE HISTORY:
   8  *                       Feb 1, 2004: Created
   9  */
  10
  11 #ifndef OPENGL32_PRIVATE_H
  12 #define OPENGL32_PRIVATE_H
  13
  14 #define snwprintf _snwprintf
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif /* __cplusplus */
  19
  20 #define NDEBUG
  21
  22 #ifndef PFD_GENERIC_ACCELERATED
  23 # define PFD_GENERIC_ACCELERATED 0x00001000
  24 #endif
  25
  26 #define OPENGL_DRIVERS_SUBKEY L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\OpenGLDrivers"
  27 #define OPENGL_DRIVERS_SUBKEY2 L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\OpenGLDrivers\\"
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #define WIN32_LEAN_AND_MEAN
  34 #define WIN32_NO_STATUS
  35 #include <windows.h>
  36 #include <winreg.h>
  37
  38 #define NTOS_MODE_USER
  39 #include <winddi.h>
  40 #include <ndk/pstypes.h>
  41
  42 #include <GL/gl.h>
  43 #include <GL/glu.h>
  44
  45 /* gl function list */
  46 #include "glfuncs.h"
  47
  48 /* ICD index list/types */
  49 #include "icdtable.h"
  50
  51 /* debug flags */
  52 #if !defined(NDEBUG)
  53 # define DEBUG_OPENGL32
  54 /* enable breakpoints */
  55 /*# define DEBUG_OPENGL32_BRKPTS*/
  56 /* dumps the list of (un)supported glXXX functions when an ICD is loaded. */
  57 # define DEBUG_OPENGL32_ICD_EXPORTS
  58 /* prints much information about whats going on */
  59 # define DEBUG_OPENGL32_TRACE
  60 #endif /* !NDEBUG */
  61
  62 /* debug macros */
  63 # ifdef DEBUG_OPENGL32
  64 #  include <debug.h>
  65 #  define DBGPRINT( fmt, args... ) \
  66           DPRINT( "OpenGL32.DLL: %s: "fmt"\n", __FUNCTION__, ##args )
  67 # endif
  68
  69 #ifndef DBGPRINT
  70 # define DBGPRINT( ... ) do {} while (0)
  71 #endif
  72
  73 #ifdef DEBUG_OPENGL32_BRKPTS
  74 # if defined(__GNUC__)
  75 #  define DBGBREAK() __asm__( "int $3" );
  76 # elif defined(_MSC_VER)
  77 #  define DBGBREAK() __asm { int 3 }
  78 # else
  79 #  error Unsupported compiler!
  80 # endif
  81 #else
  82 # define DBGBREAK() do {} while (0)
  83 #endif
  84
  85 #ifdef DEBUG_OPENGL32_TRACE
  86 # define DBGTRACE( args... ) DBGPRINT( args )
  87 #else
  88 # define DBGTRACE( ... ) do {} while (0)
  89 #endif
  90
  91 /* function/data attributes */
  92 #define EXPORT __declspec(dllexport)
  93 #ifdef _MSC_VER
  94 #  define NAKED __declspec(naked)
  95 #  define SHARED
  96 #  ifndef WINAPI
  97 #    define WINAPI __stdcall
  98 #  endif /* WINAPI */
  99 #else /* GCC */
 100 #  define NAKED __attribute__((naked))
 101 #  define SHARED __attribute__((section("shared"), shared))
 102 #endif
 103
 104 #ifdef APIENTRY
 105 #undef APIENTRY
 106 #endif /* APIENTRY */
 107 #define APIENTRY __stdcall
 108
 109 /* Called by the driver to set the dispatch table */
 110 typedef DWORD (WINAPI *SetContextCallBack)( const ICDTable * );
 111
 112 /* OpenGL ICD data */
 113 typedef struct tagGLDRIVERDATA
 114 {
 115     HMODULE handle;                 /*!< DLL handle */
 116     UINT    refcount;               /*!< Number of references to this ICD */
 117     WCHAR   driver_name[256];       /*!< Name of ICD driver */
 118
 119     WCHAR   dll[256];               /*!< Dll filename from registry */
 120     DWORD   version;                /*!< Version value from registry */
 121     DWORD   driver_version;         /*!< DriverVersion value from registry */
 122     DWORD   flags;                  /*!< Flags value from registry */
 123
 124     BOOL      (WINAPI *DrvCopyContext)( HGLRC, HGLRC, UINT );
 125     HGLRC     (WINAPI *DrvCreateContext)( HDC );
 126     HGLRC     (WINAPI *DrvCreateLayerContext)( HDC, int );
 127     BOOL      (WINAPI *DrvDeleteContext)( HGLRC );
 128     BOOL      (WINAPI *DrvDescribeLayerPlane)( HDC, int, int, UINT, LPLAYERPLANEDESCRIPTOR );
 129     int       (WINAPI *DrvDescribePixelFormat)( IN HDC, IN int, IN UINT, OUT LPPIXELFORMATDESCRIPTOR );
 130     int       (WINAPI *DrvGetLayerPaletteEntries)( HDC, int, int, int, COLORREF * );
 131     PROC      (WINAPI *DrvGetProcAddress)( LPCSTR lpProcName );
 132     void      (WINAPI *DrvReleaseContext)( HGLRC hglrc ); /* maybe returns BOOL? */
 133     BOOL      (WINAPI *DrvRealizeLayerPalette)( HDC, int, BOOL );
 134     PICDTable (WINAPI *DrvSetContext)( HDC hdc, HGLRC hglrc, SetContextCallBack callback );
 135     int       (WINAPI *DrvSetLayerPaletteEntries)( HDC, int, int, int, CONST COLORREF * );
 136     BOOL      (WINAPI *DrvSetPixelFormat)( IN HDC, IN int, const PIXELFORMATDESCRIPTOR * );
 137     BOOL      (WINAPI *DrvShareLists)( HGLRC, HGLRC );
 138     BOOL      (WINAPI *DrvSwapBuffers)( HDC );
 139     BOOL      (WINAPI *DrvSwapLayerBuffers)( HDC, UINT );
 140     BOOL      (WINAPI *DrvValidateVersion)( DWORD );
 141
 142     struct tagGLDRIVERDATA *next;   /* next ICD -- linked list */
 143 } GLDRIVERDATA;
 144
 145 /* Our private OpenGL context (stored in TLS) */
 146 typedef struct tagGLRC
 147 {
 148     GLDRIVERDATA *icd;  /*!< driver used for this context */
 149     HDC     hdc;        /*!< DC handle */
 150     BOOL    is_current; /*!< Wether this context is current for some DC */
 151     DWORD   thread_id;  /*!< Thread holding this context */
 152
 153     HGLRC   hglrc;      /*!< GLRC from DrvCreateContext (ICD internal) */
 154
 155     struct tagGLRC *next; /* linked list */
 156 } GLRC;
 157
 158 /* OpenGL private device context data */
 159 typedef struct tagGLDCDATA
 160 {
 161     HDC hdc;           /*!< Device context handle for which this data is */
 162     GLDRIVERDATA *icd; /*!< Driver used for this DC */
 163     int pixel_format;  /*!< Selected pixel format */
 164
 165     struct tagGLDCDATA *next; /* linked list */
 166 } GLDCDATA;
 167
 168
 169 /* Process data */
 170 typedef struct tagGLPROCESSDATA
 171 {
 172     GLDRIVERDATA *driver_list;  /*!< List of loaded drivers */
 173     HANDLE        driver_mutex; /*!< Mutex to protect driver list */
 174     GLRC         *glrc_list;    /*!< List of GL rendering contexts */
 175     HANDLE        glrc_mutex;   /*!< Mutex to protect glrc list */
 176     GLDCDATA     *dcdata_list;  /*!< List of GL private DC data */
 177     HANDLE        dcdata_mutex; /*!< Mutex to protect glrc list */
 178 } GLPROCESSDATA;
 179
 180 /* TLS data */
 181 typedef struct tagGLTHREADDATA
 182 {
 183     GLRC   *glrc;      /*!< current GL rendering context */
 184 } GLTHREADDATA;
 185
 186 extern DWORD OPENGL32_tls;
 187 extern GLPROCESSDATA OPENGL32_processdata;
 188 #define OPENGL32_threaddata ((GLTHREADDATA *)TlsGetValue( OPENGL32_tls ))
 189
 190 /* function prototypes */
 191 GLDRIVERDATA *OPENGL32_LoadICD( LPCWSTR driver );
 192 BOOL OPENGL32_UnloadICD( GLDRIVERDATA *icd );
 193 BOOL APIENTRY rosglMakeCurrent( HDC hdc, HGLRC hglrc );
 194 BOOL APIENTRY IntUseFontBitmapsA( HDC hDC, DWORD first, DWORD count, DWORD listBase );
 195 BOOL APIENTRY IntUseFontBitmapsW( HDC hDC, DWORD first, DWORD count, DWORD listBase );
 196 BOOL APIENTRY IntUseFontOutlinesA( HDC hDC, DWORD first, DWORD count, DWORD listBase,
 197                                   FLOAT chordalDeviation, FLOAT extrusion, INT format,
 198                                   GLYPHMETRICSFLOAT *glyphMetricsFloatArray );
 199 BOOL APIENTRY IntUseFontOutlinesW( HDC hDC, DWORD first, DWORD count, DWORD listBase,
 200                                   FLOAT chordalDeviation, FLOAT extrusion, INT format,
 201                                   GLYPHMETRICSFLOAT *glyphMetricsFloatArray );
 202
 203 /* empty gl functions from gl.c */
 204 int WINAPI glEmptyFunc0( void );
 205 int WINAPI glEmptyFunc4( long );
 206 int WINAPI glEmptyFunc8( long, long );
 207 int WINAPI glEmptyFunc12( long, long, long );
 208 int WINAPI glEmptyFunc16( long, long, long, long );
 209 int WINAPI glEmptyFunc20( long, long, long, long, long );
 210 int WINAPI glEmptyFunc24( long, long, long, long, long, long );
 211 int WINAPI glEmptyFunc28( long, long, long, long, long, long, long );
 212 int WINAPI glEmptyFunc32( long, long, long, long, long, long, long, long );
 213 int WINAPI glEmptyFunc36( long, long, long, long, long, long, long, long,
 214                            long );
 215 int WINAPI glEmptyFunc40( long, long, long, long, long, long, long, long,
 216                            long, long );
 217 int WINAPI glEmptyFunc44( long, long, long, long, long, long, long, long,
 218                            long, long, long );
 219 int WINAPI glEmptyFunc48( long, long, long, long, long, long, long, long,
 220                            long, long, long, long );
 221 int WINAPI glEmptyFunc52( long, long, long, long, long, long, long, long,
 222                            long, long, long, long, long );
 223 int WINAPI glEmptyFunc56( long, long, long, long, long, long, long, long,
 224                            long, long, long, long, long, long );
 225
 226 #ifdef OPENGL32_GL_FUNC_PROTOTYPES
 227
 228 #define X(func,ret,typeargs,args,icdidx,tebidx,stack) ret WINAPI func typeargs;
 229 GLFUNCS_MACRO
 230 #undef X
 231
 232 #endif /* OPENGL32_GL_FUNC_PROTOTYPES */
 233
 234 #ifdef __cplusplus
 235 }; /* extern "C" */
 236 #endif /* __cplusplus */
 237
 238 #endif /* OPENGL32_PRIVATE_H */
 239
 240 /* EOF */