1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 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 #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 */ 161
