| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #ifndef _SDL_gapivideo_h |
| 25 | #define _SDL_gapivideo_h |
| 26 | |
| 27 | #include "SDL_mouse.h" |
| 28 | #include "SDL_mutex.h" |
| 29 | #include "../SDL_sysvideo.h" |
| 30 | #include "../windib/SDL_gapidibvideo.h" |
| 31 | |
| 32 | /* From gx.h, since it's not really C compliant */ |
| 33 | |
| 34 | struct GXDisplayProperties { |
| 35 | DWORD cxWidth; |
| 36 | DWORD cyHeight; // notice lack of 'th' in the word height. |
| 37 | long cbxPitch; // number of bytes to move right one x pixel - can be negative. |
| 38 | long cbyPitch; // number of bytes to move down one y pixel - can be negative. |
| 39 | long cBPP; // # of bits in each pixel |
| 40 | DWORD ffFormat; // format flags. |
| 41 | }; |
| 42 | |
| 43 | struct GXKeyList { |
| 44 | short vkUp; // key for up |
| 45 | POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates. |
| 46 | short vkDown; |
| 47 | POINT ptDown; |
| 48 | short vkLeft; |
| 49 | POINT ptLeft; |
| 50 | short vkRight; |
| 51 | POINT ptRight; |
| 52 | short vkA; |
| 53 | POINT ptA; |
| 54 | short vkB; |
| 55 | POINT ptB; |
| 56 | short vkC; |
| 57 | POINT ptC; |
| 58 | short vkStart; |
| 59 | POINT ptStart; |
| 60 | }; |
| 61 | |
| 62 | typedef int (*PFNGXOpenDisplay)(HWND hWnd, DWORD dwFlags); |
| 63 | typedef int (*PFNGXCloseDisplay)(); |
| 64 | typedef void* (*PFNGXBeginDraw)(); |
| 65 | typedef int (*PFNGXEndDraw)(); |
| 66 | typedef int (*PFNGXOpenInput)(); |
| 67 | typedef int (*PFNGXCloseInput)(); |
| 68 | typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties)(); |
| 69 | typedef struct GXKeyList (*PFNGXGetDefaultKeys)(int iOptions); |
| 70 | typedef int (*PFNGXSuspend)(); |
| 71 | typedef int (*PFNGXResume)(); |
| 72 | typedef int (*PFNGXSetViewport)( DWORD dwTop, DWORD dwHeight, DWORD dwReserved1, DWORD dwReserved2 ); |
| 73 | typedef BOOL (*PFNGXIsDisplayDRAMBuffer)(); |
| 74 | |
| 75 | struct GapiFunc |
| 76 | { |
| 77 | PFNGXOpenDisplay GXOpenDisplay; |
| 78 | PFNGXCloseDisplay GXCloseDisplay; |
| 79 | PFNGXBeginDraw GXBeginDraw; |
| 80 | PFNGXEndDraw GXEndDraw; |
| 81 | PFNGXOpenInput GXOpenInput; |
| 82 | PFNGXCloseInput GXCloseInput; |
| 83 | PFNGXGetDisplayProperties GXGetDisplayProperties; |
| 84 | PFNGXGetDefaultKeys GXGetDefaultKeys; |
| 85 | PFNGXSuspend GXSuspend; |
| 86 | PFNGXResume GXResume; |
| 87 | PFNGXSetViewport GXSetViewport; |
| 88 | PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer; |
| 89 | }; |
| 90 | |
| 91 | #define kfLandscape 0x8 // Screen is rotated 270 degrees |
| 92 | #define kfPalette 0x10 // Pixel values are indexes into a palette |
| 93 | #define kfDirect 0x20 // Pixel values contain actual level information |
| 94 | #define kfDirect555 0x40 // 5 bits each for red, green and blue values in a pixel. |
| 95 | #define kfDirect565 0x80 // 5 red bits, 6 green bits and 5 blue bits per pixel |
| 96 | #define kfDirect888 0x100 // 8 bits each for red, green and blue values in a pixel. |
| 97 | #define kfDirect444 0x200 // 4 red, 4 green, 4 blue |
| 98 | #define kfDirectInverted 0x400 |
| 99 | |
| 100 | #define GX_FULLSCREEN 0x01 // for OpenDisplay() |
| 101 | #define GX_NORMALKEYS 0x02 |
| 102 | #define GX_LANDSCAPEKEYS 0x03 |
| 103 | |
| 104 | |
| 105 | /* GAPI video mode */ |
| 106 | typedef enum { |
| 107 | GAPI_NONE = 0, |
| 108 | GAPI_DIRECT_565, |
| 109 | GAPI_DIRECT_555, |
| 110 | GAPI_MONO, |
| 111 | GAPI_PALETTE |
| 112 | } GAPIVideoMode; |
| 113 | |
| 114 | typedef unsigned short PIXEL; |
| 115 | |
| 116 | /* Private display data |
| 117 | begin with DIB private structure to allow DIB events code sharing |
| 118 | */ |
| 119 | struct GapiInfo { |
| 120 | /* Rotation which has to be applied to the key (arrow keys) and mouse events measured in quarters of a circle |
| 121 | * counter clockwise */ |
| 122 | int coordinateTransform; |
| 123 | char hiresFix; /* using hires mode without defining hires resource */ |
| 124 | int invert; //TODO this is only written but never read, so it should be removed |
| 125 | |
| 126 | #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ |
| 127 | int SDL_nummodes[NUM_MODELISTS]; |
| 128 | SDL_Rect **SDL_modelist[NUM_MODELISTS]; |
| 129 | |
| 130 | |
| 131 | // The orientation of the video mode user wants to get |
| 132 | // Probably restricted to UP and RIGHT |
| 133 | SDL_ScreenOrientation userOrientation; |
| 134 | SDL_ScreenOrientation systemOrientation; |
| 135 | // -------------- |
| 136 | int useGXOpenDisplay; /* use GXOpenDispplay */ |
| 137 | int alreadyGXOpened; |
| 138 | int w, h; |
| 139 | // The orientation of GAPI framebuffer. |
| 140 | // Never changes on the same device. |
| 141 | SDL_ScreenOrientation gapiOrientation; |
| 142 | |
| 143 | void *buffer; // may be 8, 16, 24, 32 bpp |
| 144 | PIXEL *videoMem; |
| 145 | BOOL needUpdate; |
| 146 | struct GXKeyList keyList; |
| 147 | struct GapiFunc gxFunc; |
| 148 | struct GXDisplayProperties gxProperties; |
| 149 | GAPIVideoMode videoMode; |
| 150 | int colorscale; |
| 151 | int dstLineStep; // in bytes |
| 152 | int dstPixelStep; // in bytes |
| 153 | int startOffset; // in bytes |
| 154 | int useVga; |
| 155 | int suspended; // do not pu anything into video memory |
| 156 | }; |
| 157 | |
| 158 | |
| 159 | |
| 160 | #endif /* _SDL_gapivideo_h */ |