1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 22 #include "../../SDL_internal.h" 23 24 #ifndef __SDL_KMSDRMVIDEO_H__ 25 #define __SDL_KMSDRMVIDEO_H__ 26 27 #include "../SDL_sysvideo.h" 28 29 #include <fcntl.h> 30 #include <unistd.h> 31 #include <xf86drm.h> 32 #include <xf86drmMode.h> 33 #include <gbm.h> 34 #if SDL_VIDEO_OPENGL_EGL 35 #include <EGL/egl.h> 36 #endif 37 38 typedef struct SDL_VideoData 39 { 40 int devindex; /* device index that was passed on creation */ 41 int drm_fd; /* DRM file desc */ 42 struct gbm_device *gbm; 43 44 SDL_Window **windows; 45 int max_windows; 46 int num_windows; 47 } SDL_VideoData; 48 49 50 typedef struct SDL_DisplayModeData 51 { 52 int mode_index; 53 } SDL_DisplayModeData; 54 55 56 typedef struct SDL_DisplayData 57 { 58 uint32_t crtc_id; 59 drmModeConnector *conn; 60 drmModeModeInfo mode; 61 drmModeCrtc *saved_crtc; /* CRTC to restore on quit */ 62 } SDL_DisplayData; 63 64 65 typedef struct SDL_WindowData 66 { 67 SDL_VideoData *viddata; 68 struct gbm_surface *gs; 69 struct gbm_bo *curr_bo; 70 struct gbm_bo *next_bo; 71 struct gbm_bo *crtc_bo; 72 SDL_bool waiting_for_flip; 73 SDL_bool double_buffer; 74 #if SDL_VIDEO_OPENGL_EGL 75 int egl_surface_dirty; 76 EGLSurface egl_surface; 77 #endif 78 } SDL_WindowData; 79 80 typedef struct KMSDRM_FBInfo 81 { 82 int drm_fd; /* DRM file desc */ 83 uint32_t fb_id; /* DRM framebuffer ID */ 84 } KMSDRM_FBInfo; 85 86 /* Helper functions */ 87 int KMSDRM_CreateSurfaces(_THIS, SDL_Window * window); 88 KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo); 89 SDL_bool KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *windata, int timeout); 90 91 /****************************************************************************/ 92 /* SDL_VideoDevice functions declaration */ 93 /****************************************************************************/ 94 95 /* Display and window functions */ 96 int KMSDRM_VideoInit(_THIS); 97 void KMSDRM_VideoQuit(_THIS); 98 void KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display); 99 int KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode); 100 int KMSDRM_CreateWindow(_THIS, SDL_Window * window); 101 int KMSDRM_CreateWindowFrom(_THIS, SDL_Window * window, const void *data); 102 void KMSDRM_SetWindowTitle(_THIS, SDL_Window * window); 103 void KMSDRM_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon); 104 void KMSDRM_SetWindowPosition(_THIS, SDL_Window * window); 105 void KMSDRM_SetWindowSize(_THIS, SDL_Window * window); 106 void KMSDRM_ShowWindow(_THIS, SDL_Window * window); 107 void KMSDRM_HideWindow(_THIS, SDL_Window * window); 108 void KMSDRM_RaiseWindow(_THIS, SDL_Window * window); 109 void KMSDRM_MaximizeWindow(_THIS, SDL_Window * window); 110 void KMSDRM_MinimizeWindow(_THIS, SDL_Window * window); 111 void KMSDRM_RestoreWindow(_THIS, SDL_Window * window); 112 void KMSDRM_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed); 113 void KMSDRM_DestroyWindow(_THIS, SDL_Window * window); 114 115 /* Window manager function */ 116 SDL_bool KMSDRM_GetWindowWMInfo(_THIS, SDL_Window * window, 117 struct SDL_SysWMinfo *info); 118 119 /* OpenGL/OpenGL ES functions */ 120 int KMSDRM_GLES_LoadLibrary(_THIS, const char *path); 121 void *KMSDRM_GLES_GetProcAddress(_THIS, const char *proc); 122 void KMSDRM_GLES_UnloadLibrary(_THIS); 123 SDL_GLContext KMSDRM_GLES_CreateContext(_THIS, SDL_Window * window); 124 int KMSDRM_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context); 125 int KMSDRM_GLES_SetSwapInterval(_THIS, int interval); 126 int KMSDRM_GLES_GetSwapInterval(_THIS); 127 int KMSDRM_GLES_SwapWindow(_THIS, SDL_Window * window); 128 void KMSDRM_GLES_DeleteContext(_THIS, SDL_GLContext context); 129 130 #endif /* __SDL_KMSDRMVIDEO_H__ */ 131 132 /* vi: set ts=4 sw=4 expandtab: */ 133