1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 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 (at) 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 31 /* From gx.h, since it's not really C compliant */ 32 33 struct GXDisplayProperties { 34 DWORD cxWidth; 35 DWORD cyHeight; // notice lack of 'th' in the word height. 36 long cbxPitch; // number of bytes to move right one x pixel - can be negative. 37 long cbyPitch; // number of bytes to move down one y pixel - can be negative. 38 long cBPP; // # of bits in each pixel 39 DWORD ffFormat; // format flags. 40 }; 41 42 struct GXKeyList { 43 short vkUp; // key for up 44 POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates. 45 short vkDown; 46 POINT ptDown; 47 short vkLeft; 48 POINT ptLeft; 49 short vkRight; 50 POINT ptRight; 51 short vkA; 52 POINT ptA; 53 short vkB; 54 POINT ptB; 55 short vkC; 56 POINT ptC; 57 short vkStart; 58 POINT ptStart; 59 }; 60 61 typedef int (*PFNGXOpenDisplay)(HWND hWnd, DWORD dwFlags); 62 typedef int (*PFNGXCloseDisplay)(); 63 typedef void* (*PFNGXBeginDraw)(); 64 typedef int (*PFNGXEndDraw)(); 65 typedef int (*PFNGXOpenInput)(); 66 typedef int (*PFNGXCloseInput)(); 67 typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties)(); 68 typedef struct GXKeyList (*PFNGXGetDefaultKeys)(int iOptions); 69 typedef int (*PFNGXSuspend)(); 70 typedef int (*PFNGXResume)(); 71 typedef int (*PFNGXSetViewport)( DWORD dwTop, DWORD dwHeight, DWORD dwReserved1, DWORD dwReserved2 ); 72 typedef BOOL (*PFNGXIsDisplayDRAMBuffer)(); 73 74 struct GapiFunc 75 { 76 PFNGXOpenDisplay GXOpenDisplay; 77 PFNGXCloseDisplay GXCloseDisplay; 78 PFNGXBeginDraw GXBeginDraw; 79 PFNGXEndDraw GXEndDraw; 80 PFNGXOpenInput GXOpenInput; 81 PFNGXCloseInput GXCloseInput; 82 PFNGXGetDisplayProperties GXGetDisplayProperties; 83 PFNGXGetDefaultKeys GXGetDefaultKeys; 84 PFNGXSuspend GXSuspend; 85 PFNGXResume GXResume; 86 PFNGXSetViewport GXSetViewport; 87 PFNGXIsDisplayDRAMBuffer GXIsDisplayDRAMBuffer; 88 }; 89 90 #define kfLandscape 0x8 // Screen is rotated 270 degrees 91 #define kfPalette 0x10 // Pixel values are indexes into a palette 92 #define kfDirect 0x20 // Pixel values contain actual level information 93 #define kfDirect555 0x40 // 5 bits each for red, green and blue values in a pixel. 94 #define kfDirect565 0x80 // 5 red bits, 6 green bits and 5 blue bits per pixel 95 #define kfDirect888 0x100 // 8 bits each for red, green and blue values in a pixel. 96 #define kfDirect444 0x200 // 4 red, 4 green, 4 blue 97 #define kfDirectInverted 0x400 98 99 #define GX_FULLSCREEN 0x01 // for OpenDisplay() 100 #define GX_NORMALKEYS 0x02 101 #define GX_LANDSCAPEKEYS 0x03 102 103 typedef enum 104 { 105 SDL_ORIENTATION_UP, 106 SDL_ORIENTATION_DOWN, 107 SDL_ORIENTATION_LEFT, 108 SDL_ORIENTATION_RIGHT 109 } SDL_ScreenOrientation; 110 111 /* GAPI video mode */ 112 typedef enum { 113 GAPI_NONE = 0, 114 GAPI_DIRECT_565, 115 GAPI_DIRECT_555, 116 GAPI_MONO, 117 GAPI_PALETTE 118 } GAPIVideoMode; 119 120 /* Hidden "this" pointer for the video functions */ 121 #define _THIS SDL_VideoDevice *this 122 123 typedef unsigned short PIXEL; 124 125 /* Private display data 126 begin with DIB private structure to allow DIB events code sharing 127 */ 128 struct SDL_PrivateVideoData { 129 HBITMAP screen_bmp; 130 HPALETTE screen_pal; 131 132 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ 133 int SDL_nummodes[NUM_MODELISTS]; 134 SDL_Rect **SDL_modelist[NUM_MODELISTS]; 135 enum SDL_ScreenOrientation userOrientation; 136 int invert; 137 char hiresFix; // using hires mode without defining hires resource 138 // -------------- 139 int useGXOpenDisplay; /* use GXOpenDispplay */ 140 int w, h; 141 enum 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 enum 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 #define gapiBuffer this->hidden->buffer 160 #define gapi this->hidden 161 162 #endif /* _SDL_gapivideo_h */ 163
