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220 lines
7 KiB
C
220 lines
7 KiB
C
/* $Id: opengl32.h,v 1.11 2004/02/06 18:17:18 royce Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: lib/opengl32/opengl32.h
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* PURPOSE: OpenGL32 lib
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* PROGRAMMER: Royce Mitchell III, Anich Gregor (blight)
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* UPDATE HISTORY:
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* Feb 1, 2004: Created
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*/
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#ifndef OPENGL32_PRIVATE_H
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#define OPENGL32_PRIVATE_H
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#ifdef __cplusplus
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extern "C" {
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#endif//__cplusplus
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/* gl function list */
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#include "glfuncs.h"
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/* ICD index list/types */
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#include "icdtable.h"
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/* debug flags */
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#if !defined(NDEBUG)
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# define DEBUG_OPENGL32
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# define DEBUG_OPENGL32_BRKPTS /* enable breakpoints */
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# define DEBUG_OPENGL32_ICD_EXPORTS /* dumps the list of (un)supported glXXX
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functions when an ICD is loaded. */
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#endif /* !NDEBUG */
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/* debug macros */
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#ifdef _MSC_VER
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inline void DBGPRINT ( ... ) {}
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#else
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# ifdef DEBUG_OPENGL32
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ULONG DbgPrint(PCH Format,...);
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# include <debug.h>
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# define DBGPRINT( fmt, args... ) \
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DPRINT( "OpenGL32.DLL: %s: "fmt"\n", __FUNCTION__, ##args )
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# else
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# define DBGPRINT( ... ) do {} while (0)
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# endif
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#endif
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#ifdef DEBUG_OPENGL32_BRKPTS
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# if defined(__GNUC__)
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# define DBGBREAK() __asm__( "int $3" );
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# elif defined(_MSC_VER)
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# define DBGBREAK() __asm { int 3 }
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# else
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# error Unsupported compiler!
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# endif
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#endif
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/* function/data attributes */
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#define EXPORT __declspec(dllexport)
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#ifdef _MSC_VER
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# define NAKED __declspec(naked)
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# define SHARED
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# ifndef STDCALL
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# define STDCALL __stdcall
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# endif/*STDCALL*/
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#else /* GCC */
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# define NAKED __attribute__((naked))
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# define SHARED __attribute__((section("shared"), shared))
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#endif
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#ifdef APIENTRY
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#undef APIENTRY
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#endif//APIENTRY
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#define APIENTRY EXPORT __stdcall
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/* gl function list */
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#include "glfuncs.h"
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/* table indices for funcnames and function pointers */
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#if 0
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enum glfunc_indices
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{
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GLIDX_INVALID = -1,
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#define X(func, ret, typeargs, args) GLIDX_##func,
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GLFUNCS_MACRO
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#undef X
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GLIDX_COUNT
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};
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/* function name table */
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extern const char* OPENGL32_funcnames[GLIDX_COUNT];
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#endif//0
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/* GL data types - x86 typedefs */
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typedef unsigned int GLenum;
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typedef unsigned char GLboolean;
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typedef unsigned int GLbitfield;
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typedef signed char GLbyte;
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typedef short GLshort;
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typedef int GLint;
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typedef int GLsizei;
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typedef unsigned char GLubyte;
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typedef unsigned short GLushort;
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typedef unsigned int GLuint;
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typedef unsigned short GLhalf;
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typedef float GLfloat;
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typedef float GLclampf;
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typedef double GLdouble;
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typedef double GLclampd;
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typedef void GLvoid;
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/* Called by the driver to set the dispatch table */
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typedef DWORD (CALLBACK * SetContextCallBack)( const ICDTable * );
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/* OpenGL ICD data */
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typedef struct tagGLDRIVERDATA
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{
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HMODULE handle; /* DLL handle */
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UINT refcount; /* number of references to this ICD */
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WCHAR driver_name[256]; /* name of display driver */
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WCHAR dll[256]; /* Dll value from registry */
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DWORD version; /* Version value from registry */
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DWORD driver_version; /* DriverVersion value from registry */
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DWORD flags; /* Flags value from registry */
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BOOL (*DrvCopyContext)( HGLRC, HGLRC, UINT );
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HGLRC (*DrvCreateContext)( HDC );
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HGLRC (*DrvCreateLayerContext)( HDC, int );
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BOOL (*DrvDeleteContext)( HGLRC );
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BOOL (*DrvDescribeLayerPlane)( HDC, int, int, UINT, LPLAYERPLANEDESCRIPTOR );
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int (*DrvDescribePixelFormat)( IN HDC, IN int, IN UINT, OUT LPPIXELFORMATDESCRIPTOR );
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int (*DrvGetLayerPaletteEntries)( HDC, int, int, int, COLORREF * );
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FARPROC (*DrvGetProcAddress)( LPCSTR lpProcName );
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void (*DrvReleaseContext)();
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BOOL (*DrvRealizeLayerPalette)( HDC, int, BOOL );
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int (*DrvSetContext)( HDC hdc, HGLRC hglrc, SetContextCallBack callback );
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int (*DrvSetLayerPaletteEntries)( HDC, int, int, int, CONST COLORREF * );
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BOOL (*DrvSetPixelFormat)( IN HDC, IN int, IN CONST PIXELFORMATDESCRIPTOR * );
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BOOL (*DrvShareLists)( HGLRC, HGLRC );
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BOOL (*DrvSwapBuffers)( HDC );
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BOOL (*DrvSwapLayerBuffers)( HDC, UINT );
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BOOL (*DrvValidateVersion)( DWORD );
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struct tagGLDRIVERDATA *next; /* next ICD -- linked list */
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} GLDRIVERDATA;
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/* Out private OpenGL context (saved in TLS) */
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typedef struct tagGLRC
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{
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GLDRIVERDATA *icd; /* driver used for this context */
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INT iFormat; /* current pixel format index - ? */
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HDC hdc; /* DC handle */
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BOOL is_current; /* wether this context is current for some DC */
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DWORD thread_id; /* thread holding this context */
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HGLRC hglrc; /* GLRC from DrvCreateContext */
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struct tagGLRC *next; /* linked list */
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} GLRC;
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/* Process data */
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typedef struct tagGLPROCESSDATA
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{
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GLDRIVERDATA *driver_list; /* list of loaded drivers */
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HANDLE driver_mutex; /* mutex to protect driver list */
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GLRC *glrc_list; /* list of GL rendering contexts */
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HANDLE glrc_mutex; /* mutex to protect glrc list */
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} GLPROCESSDATA;
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/* TLS data */
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typedef struct tagGLTHREADDATA
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{
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GLRC *glrc; /* current GL rendering context */
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} GLTHREADDATA;
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extern DWORD OPENGL32_tls;
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extern GLPROCESSDATA OPENGL32_processdata;
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#define OPENGL32_threaddata ((GLTHREADDATA *)TlsGetValue( OPENGL32_tls ))
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/* function prototypes */
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GLDRIVERDATA *OPENGL32_LoadICDForHDC( HDC hdc );
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GLDRIVERDATA *OPENGL32_LoadICD( LPCWSTR driver );
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BOOL OPENGL32_UnloadICD( GLDRIVERDATA *icd );
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DWORD OPENGL32_RegEnumDrivers( DWORD idx, LPWSTR name, LPDWORD cName );
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DWORD OPENGL32_RegGetDriverInfo( LPCWSTR driver, GLDRIVERDATA *icd );
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/* empty gl functions from gl.c */
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int STDCALL glEmptyFunc0();
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int STDCALL glEmptyFunc4( long );
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int STDCALL glEmptyFunc8( long, long );
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int STDCALL glEmptyFunc12( long, long, long );
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int STDCALL glEmptyFunc16( long, long, long, long );
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int STDCALL glEmptyFunc20( long, long, long, long, long );
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int STDCALL glEmptyFunc24( long, long, long, long, long, long );
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int STDCALL glEmptyFunc28( long, long, long, long, long, long, long );
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int STDCALL glEmptyFunc32( long, long, long, long, long, long, long, long );
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int STDCALL glEmptyFunc36( long, long, long, long, long, long, long, long,
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long );
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int STDCALL glEmptyFunc40( long, long, long, long, long, long, long, long,
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long, long );
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int STDCALL glEmptyFunc44( long, long, long, long, long, long, long, long,
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long, long, long );
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int STDCALL glEmptyFunc48( long, long, long, long, long, long, long, long,
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long, long, long, long );
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int STDCALL glEmptyFunc52( long, long, long, long, long, long, long, long,
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long, long, long, long, long );
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int STDCALL glEmptyFunc56( long, long, long, long, long, long, long, long,
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long, long, long, long, long, long );
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#define X(func,ret,typeargs,args,icdidx,tebidx,stack) EXPORT ret STDCALL func typeargs;
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GLFUNCS_MACRO
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#undef X
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#ifdef __cplusplus
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}; // extern "C"
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#endif//__cplusplus
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#endif//OPENGL32_PRIVATE_H
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/* EOF */
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