dll/opengl/opengl32/opengl32.h

   1 /*
   2  * COPYRIGHT:            See COPYING in the top level directory
   3  * PROJECT:              ReactOS kernel
   4  * FILE:                 lib/opengl32/opengl.h
   5  * PURPOSE:              OpenGL32 lib, general header
   6  */
   7
   8 #ifndef _OPENGL32_PCH_
   9 #define _OPENGL32_PCH_
  10
  11 #define WIN32_NO_STATUS
  12 #include <stdarg.h>
  13 #include <windef.h>
  14 #include <winbase.h>
  15 #include <winuser.h>
  16 #include <wingdi.h>
  17 #include <winddi.h>
  18 #include <GL/gl.h>
  19
  20 #ifndef OPENGL32_USE_TLS
  21 #include <pstypes.h>
  22 #endif
  23
  24 #include <wine/debug.h>
  25
  26 #include "icd.h"
  27
  28 /* *$%$£^§! headers inclusion */
  29 static __inline
  30 BOOLEAN
  31 RemoveEntryList(
  32     _In_ PLIST_ENTRY Entry)
  33 {
  34     PLIST_ENTRY OldFlink;
  35     PLIST_ENTRY OldBlink;
  36
  37     OldFlink = Entry->Flink;
  38     OldBlink = Entry->Blink;
  39     OldFlink->Blink = OldBlink;
  40     OldBlink->Flink = OldFlink;
  41     return (OldFlink == OldBlink);
  42 }
  43
  44 static __inline
  45 VOID
  46 InsertTailList(
  47     _In_ PLIST_ENTRY ListHead,
  48     _In_ PLIST_ENTRY Entry
  49 )
  50 {
  51     PLIST_ENTRY OldBlink;
  52     OldBlink = ListHead->Blink;
  53     Entry->Flink = ListHead;
  54     Entry->Blink = OldBlink;
  55     OldBlink->Flink = Entry;
  56     ListHead->Blink = Entry;
  57 }
  58
  59
  60 static __inline
  61 VOID
  62 InitializeListHead(
  63     _Inout_ PLIST_ENTRY ListHead
  64 )
  65 {
  66     ListHead->Flink = ListHead->Blink = ListHead;
  67 }
  68
  69 extern LIST_ENTRY ContextListHead;
  70
  71 struct wgl_context
  72 {
  73     DWORD magic;
  74     volatile LONG lock;
  75
  76     LIST_ENTRY ListEntry;
  77
  78     DHGLRC dhglrc;
  79     struct ICD_Data* icd_data;
  80     INT pixelformat;
  81     volatile LONG thread_id;
  82 };
  83
  84 #define WGL_DC_OBJ_DC 0x1
  85 struct wgl_dc_data
  86 {
  87     /* Header */
  88     union
  89     {
  90         HWND hwnd;
  91         HDC hdc;
  92         HANDLE u;
  93     } owner;
  94     ULONG flags;
  95
  96     /* Pixel format */
  97     INT pixelformat;
  98
  99     /* ICD */
 100     struct ICD_Data* icd_data;
 101     INT nb_icd_formats;
 102
 103     /* Software implementation */
 104     INT nb_sw_formats;
 105     void* sw_data;
 106
 107     /* Linked list */
 108     struct wgl_dc_data* next;
 109 };
 110
 111 /* Clean up functions */
 112 void IntDeleteAllContexts(void);
 113 void IntDeleteAllICDs(void);
 114
 115 FORCEINLINE
 116 const GLDISPATCHTABLE*
 117 IntGetCurrentDispatchTable(void)
 118 {
 119     return (GLDISPATCHTABLE*)NtCurrentTeb()->glTable;
 120 }
 121
 122 FORCEINLINE
 123 void
 124 IntSetCurrentDispatchTable(const GLDISPATCHTABLE* table)
 125 {
 126     NtCurrentTeb()->glTable = (void*)table;
 127 }
 128
 129 FORCEINLINE
 130 void
 131 IntMakeCurrent(HGLRC hglrc, HDC hdc, struct wgl_dc_data* dc_data)
 132 {
 133     TEB* CurrentTeb = NtCurrentTeb();
 134
 135     CurrentTeb->glCurrentRC = hglrc;
 136     CurrentTeb->glReserved2 = hdc;
 137     CurrentTeb->glSectionInfo = dc_data;
 138 }
 139
 140 FORCEINLINE
 141 HGLRC
 142 IntGetCurrentRC(void)
 143 {
 144     return NtCurrentTeb()->glCurrentRC;
 145 }
 146
 147 FORCEINLINE
 148 HDC
 149 IntGetCurrentDC(void)
 150 {
 151     return NtCurrentTeb()->glReserved2;
 152 }
 153
 154 static inline
 155 struct wgl_dc_data*
 156 IntGetCurrentDcData(void)
 157 {
 158     return NtCurrentTeb()->glSectionInfo;
 159 }
 160
 161 FORCEINLINE
 162 void
 163 IntSetCurrentICDPrivate(void* value)
 164 {
 165     NtCurrentTeb()->glContext = value;
 166 }
 167
 168 FORCEINLINE
 169 void*
 170 IntGetCurrentICDPrivate(void)
 171 {
 172     return (void*)NtCurrentTeb()->glContext;
 173 }
 174
 175 FORCEINLINE
 176 DHGLRC
 177 IntGetCurrentDHGLRC(void)
 178 {
 179     struct wgl_context* ctx = (struct wgl_context*)IntGetCurrentRC();
 180     if(!ctx) return NULL;
 181     return ctx->dhglrc;
 182 }
 183
 184 /* Software implementation functions */
 185 INT sw_DescribePixelFormat(HDC hdc, INT format, UINT size, PIXELFORMATDESCRIPTOR* descr);
 186 BOOL sw_SetPixelFormat(HDC hdc, struct wgl_dc_data*, INT format);
 187 DHGLRC sw_CreateContext(struct wgl_dc_data*);
 188 BOOL sw_DeleteContext(DHGLRC dhglrc);
 189 BOOL sw_SetContext(struct wgl_dc_data* dc_data, DHGLRC dhglrc);
 190 void sw_ReleaseContext(DHGLRC hglrc);
 191 PROC sw_GetProcAddress(LPCSTR name);
 192 BOOL sw_CopyContext(DHGLRC dhglrcSrc, DHGLRC dhglrcDst, UINT mask);
 193 BOOL sw_ShareLists(DHGLRC dhglrcSrc, DHGLRC dhglrcDst);
 194 BOOL sw_SwapBuffers(HDC hdc, struct wgl_dc_data* dc_data);
 195
 196 #endif /* _OPENGL32_PCH_ */