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SDL_gapivideo.h
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
slouken@libsdl.org
*/
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#include "SDL_config.h"
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#ifndef _SDL_gapivideo_h
#define _SDL_gapivideo_h
#include "SDL_mouse.h"
#include "SDL_mutex.h"
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#include "../SDL_sysvideo.h"
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/* From gx.h, since it's not really C compliant */
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struct GXDisplayProperties
{
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DWORD cxWidth;
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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.
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};
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struct GXKeyList
{
short vkUp; // key for up
POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates.
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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;
};
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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) ();
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struct GapiFunc
{
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PFNGXOpenDisplay GXOpenDisplay;
PFNGXCloseDisplay GXCloseDisplay;
PFNGXBeginDraw GXBeginDraw;
PFNGXEndDraw GXEndDraw;
PFNGXOpenInput GXOpenInput;
PFNGXCloseInput GXCloseInput;
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PFNGXGetDisplayProperties GXGetDisplayProperties;
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PFNGXGetDefaultKeys GXGetDefaultKeys;
PFNGXSuspend GXSuspend;
PFNGXResume GXResume;
PFNGXSetViewport GXSetViewport;
PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer;
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};
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#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
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#define kfDirectInverted 0x400
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#define GX_FULLSCREEN 0x01 // for OpenDisplay()
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#define GX_NORMALKEYS 0x02
#define GX_LANDSCAPEKEYS 0x03
typedef enum
{
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SDL_ORIENTATION_UP,
SDL_ORIENTATION_DOWN,
SDL_ORIENTATION_LEFT,
SDL_ORIENTATION_RIGHT
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} SDL_ScreenOrientation;
/* GAPI video mode */
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typedef enum
{
GAPI_NONE = 0,
GAPI_DIRECT_565,
GAPI_DIRECT_555,
GAPI_MONO,
GAPI_PALETTE
} GAPIVideoMode;
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/* Hidden "this" pointer for the video functions */
#define _THIS SDL_VideoDevice *this
typedef unsigned short PIXEL;
/* Private display data
begin with DIB private structure to allow DIB events code sharing
*/
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struct SDL_PrivateVideoData
{
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HBITMAP screen_bmp;
HPALETTE screen_pal;
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#define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
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int SDL_nummodes[NUM_MODELISTS];
SDL_Rect **SDL_modelist[NUM_MODELISTS];
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enum SDL_ScreenOrientation userOrientation;
int invert;
char hiresFix; // using hires mode without defining hires resource
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// --------------
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int useGXOpenDisplay; /* use GXOpenDispplay */
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int w, h;
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enum SDL_ScreenOrientation gapiOrientation;
void *buffer; // may be 8, 16, 24, 32 bpp
PIXEL *videoMem;
BOOL needUpdate;
struct GXKeyList keyList;
struct GapiFunc gxFunc;
struct GXDisplayProperties gxProperties;
enum GAPIVideoMode videoMode;
int colorscale;
int dstLineStep; // in bytes
int dstPixelStep; // in bytes
int startOffset; // in bytes
int useVga;
int suspended; // do not pu anything into video memory
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};
#define gapiBuffer this->hidden->buffer
#define gapi this->hidden
#endif /* _SDL_gapivideo_h */
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/* vi: set ts=4 sw=4 expandtab: */