/*

SDL - Simple DirectMedia Layer

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

Stefan Klug

klug.stefan@gmx.de

*/

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

/* hi res definitions */

typedef struct _RawFrameBufferInfo

{

WORD wFormat;

WORD wBPP;

VOID *pFramePointer;

int cxStride;

int cyStride;

int cxPixels;

int cyPixels;

} RawFrameBufferInfo;

#define GETRAWFRAMEBUFFER 0x00020001

#define FORMAT_565 1

#define FORMAT_555 2

#define FORMAT_OTHER 3

/* From gx.h, since it's not really C compliant */

struct GXDisplayProperties

{

DWORD cxWidth;

DWORD cyHeight; // notice lack of 'th' in the word height.

long cbxPitch; // number of bytes to move right one x pixel - can be negative.

long cbyPitch; // number of bytes to move down one y pixel - can be negative.

long cBPP; // # of bits in each pixel

DWORD ffFormat; // format flags.

};

struct GXKeyList

{

short vkUp; // key for up

POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates.

short vkDown;

POINT ptDown;

short vkLeft;

POINT ptLeft;

short vkRight;

POINT ptRight;

short vkA;

POINT ptA;

short vkB;

POINT ptB;

short vkC;

POINT ptC;

short vkStart;

POINT ptStart;

};

typedef int (*PFNGXOpenDisplay) (HWND hWnd, DWORD dwFlags);

typedef int (*PFNGXCloseDisplay) ();

typedef void *(*PFNGXBeginDraw) ();

typedef int (*PFNGXEndDraw) ();

typedef int (*PFNGXOpenInput) ();

typedef int (*PFNGXCloseInput) ();

typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties) ();

typedef struct GXKeyList (*PFNGXGetDefaultKeys) (int iOptions);

typedef int (*PFNGXSuspend) ();

typedef int (*PFNGXResume) ();

typedef int (*PFNGXSetViewport) (DWORD dwTop, DWORD dwHeight,

DWORD dwReserved1, DWORD dwReserved2);

typedef BOOL(*PFNGXIsDisplayDRAMBuffer) ();

struct GapiFunc

{

PFNGXOpenDisplay GXOpenDisplay;

PFNGXCloseDisplay GXCloseDisplay;

PFNGXBeginDraw GXBeginDraw;

PFNGXEndDraw GXEndDraw;

PFNGXOpenInput GXOpenInput;

PFNGXCloseInput GXCloseInput;

PFNGXGetDisplayProperties GXGetDisplayProperties;

PFNGXGetDefaultKeys GXGetDefaultKeys;

PFNGXSuspend GXSuspend;

PFNGXResume GXResume;

PFNGXSetViewport GXSetViewport;

PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer;

} gx;

#define kfLandscape 0x8 // Screen is rotated 270 degrees

#define kfPalette 0x10 // Pixel values are indexes into a palette

#define kfDirect 0x20 // Pixel values contain actual level information

#define kfDirect555 0x40 // 5 bits each for red, green and blue values in a pixel.

#define kfDirect565 0x80 // 5 red bits, 6 green bits and 5 blue bits per pixel

#define kfDirect888 0x100 // 8 bits each for red, green and blue values in a pixel.

#define kfDirect444 0x200 // 4 red, 4 green, 4 blue

#define kfDirectInverted 0x400

#define GX_FULLSCREEN 0x01 // for OpenDisplay()

#define GX_NORMALKEYS 0x02

#define GX_LANDSCAPEKEYS 0x03