reactos/dll/opengl/opengl32/opengl32.h

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/opengl32/opengl.h
* PURPOSE: OpenGL32 lib, general header
*/
#ifndef _OPENGL32_PCH_
#define _OPENGL32_PCH_
#define WIN32_NO_STATUS
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <wingdi.h>
#include <winddi.h>
#include <GL/gl.h>
#include <wine/debug.h>
#include "icd.h"
struct wgl_context
{
DWORD magic;
volatile LONG lock;
DHGLRC dhglrc;
struct ICD_Data* icd_data;
INT pixelformat;
volatile LONG thread_id;
};
#define WGL_DC_OBJ_DC 0x1
struct wgl_dc_data
{
/* Header */
union
{
HWND hwnd;
HDC hdc;
HANDLE u;
} owner;
ULONG flags;
/* Pixel format */
INT pixelformat;
/* ICD */
struct ICD_Data* icd_data;
INT nb_icd_formats;
/* Software implementation */
INT nb_sw_formats;
void* sw_data;
/* Linked list */
struct wgl_dc_data* next;
};
#ifdef OPENGL32_USE_TLS
extern DWORD OglTlsIndex;
struct Opengl32_ThreadData
{
const GLDISPATCHTABLE* glDispatchTable;
HGLRC hglrc;
HDC hdc;
struct wgl_dc_data* dc_data;
PVOID* icdData;
};
C_ASSERT(FIELD_OFFSET(struct Opengl32_ThreadData, glDispatchTable) == 0);
static inline
void
IntMakeCurrent(HGLRC hglrc, HDC hdc, struct wgl_dc_data* dc_data)
{
struct Opengl32_ThreadData* thread_data = TlsGetValue(OglTlsIndex);
thread_data->hglrc = hglrc;
thread_data->hdc = hdc;
thread_data->dc_data = dc_data;
}
static inline
HGLRC
IntGetCurrentRC(void)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
return data->hglrc;
}
static inline
DHGLRC
IntGetCurrentDHGLRC(void)
{
struct wgl_context* ctx = (struct wgl_context*)IntGetCurrentRC();
if(!ctx) return NULL;
return ctx->dhglrc;
}
static inline
HDC
IntGetCurrentDC(void)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
return data->hdc;
}
static inline
struct wgl_dc_data*
IntGetCurrentDcData(void)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
return data->dc_data;
}
static inline
const GLDISPATCHTABLE *
IntGetCurrentDispatchTable(void)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
return data->glDispatchTable;
}
static inline
void
IntSetCurrentDispatchTable(const GLDISPATCHTABLE* table)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
data->glDispatchTable = table;
}
static inline
void
IntSetCurrentICDPrivate(void* value)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
data->icdData = value;
}
static inline
void*
IntGetCurrentICDPrivate(void)
{
struct Opengl32_ThreadData* data = TlsGetValue(OglTlsIndex);
return data->icdData;
}
#else
static inline
const GLDISPATCHTABLE*
IntGetCurrentDispatchTable(void)
{
return (GLDISPATCHTABLE*)NtCurrentTeb()->glTable;
}
#endif // defined(OPENGL32_USE_TLS)
/* Software implementation functions */
INT sw_DescribePixelFormat(HDC hdc, INT format, UINT size, PIXELFORMATDESCRIPTOR* descr);
BOOL sw_SetPixelFormat(HDC hdc, struct wgl_dc_data*, INT format);
DHGLRC sw_CreateContext(struct wgl_dc_data*);
BOOL sw_DeleteContext(DHGLRC dhglrc);
BOOL sw_SetContext(struct wgl_dc_data* dc_data, DHGLRC dhglrc);
void sw_ReleaseContext(DHGLRC hglrc);
PROC sw_GetProcAddress(LPCSTR name);
BOOL sw_CopyContext(DHGLRC dhglrcSrc, DHGLRC dhglrcDst, UINT mask);
BOOL sw_ShareLists(DHGLRC dhglrcSrc, DHGLRC dhglrcDst);
BOOL sw_SwapBuffers(HDC hdc, struct wgl_dc_data* dc_data);
#endif /* _OPENGL32_PCH_ */