SDL  2.0
SDL_kmsdrmvideo.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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 <poll.h>
32 #include <xf86drm.h>
33 #include <xf86drmMode.h>
34 #include <gbm.h>
35 #if SDL_VIDEO_OPENGL_EGL
36 #include <EGL/egl.h>
37 #endif
38 
39 typedef struct SDL_VideoData
40 {
41  int devindex; /* device index that was passed on creation */
42  int drm_fd; /* DRM file desc */
43  struct gbm_device *gbm;
44  drmEventContext drm_evctx; /* DRM event context */
45  struct pollfd drm_pollfd; /* pollfd containing DRM file desc */
46  drmModeCrtc *saved_crtc; /* Saved CRTC to restore on quit */
47  uint32_t saved_conn_id; /* Saved DRM connector ID */
48  uint32_t crtc_id; /* CRTC in use */
50 
51 
52 typedef struct SDL_DisplayData
53 {
56  drmModeModeInfo cur_mode;
58 
59 
60 typedef struct SDL_WindowData
61 {
62  struct gbm_surface *gs;
63  struct gbm_bo *current_bo;
64  struct gbm_bo *next_bo;
68 #if SDL_VIDEO_OPENGL_EGL
69  EGLSurface egl_surface;
70 #endif
72 
73 typedef struct KMSDRM_FBInfo
74 {
75  int drm_fd; /* DRM file desc */
76  uint32_t fb_id; /* DRM framebuffer ID */
78 
79 /* Helper functions */
80 KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo);
82 
83 /****************************************************************************/
84 /* SDL_VideoDevice functions declaration */
85 /****************************************************************************/
86 
87 /* Display and window functions */
106 
107 /* Window manager function */
109  struct SDL_SysWMinfo *info);
110 
111 /* OpenGL/OpenGL ES functions */
112 int KMSDRM_GLES_LoadLibrary(_THIS, const char *path);
113 void *KMSDRM_GLES_GetProcAddress(_THIS, const char *proc);
117 int KMSDRM_GLES_SetSwapInterval(_THIS, int interval);
121 
122 #endif /* __SDL_KMSDRMVIDEO_H__ */
123 
124 /* vi: set ts=4 sw=4 expandtab: */
int KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
int KMSDRM_GLES_GetSwapInterval(_THIS)
SDL_bool double_buffer
drmModeModeInfo cur_mode
void KMSDRM_SetWindowSize(_THIS, SDL_Window *window)
void * KMSDRM_GLES_GetProcAddress(_THIS, const char *proc)
SDL_bool waiting_for_flip
void * EGLSurface
Definition: egl.h:59
struct pollfd drm_pollfd
struct gbm_bo * current_bo
struct wl_display * display
void KMSDRM_MaximizeWindow(_THIS, SDL_Window *window)
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
The structure that defines a display mode.
Definition: SDL_video.h:53
int KMSDRM_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
int KMSDRM_GLES_SetSwapInterval(_THIS, int interval)
int KMSDRM_GLES_LoadLibrary(_THIS, const char *path)
void KMSDRM_GLES_UnloadLibrary(_THIS)
SDL_GLContext KMSDRM_GLES_CreateContext(_THIS, SDL_Window *window)
int KMSDRM_CreateWindow(_THIS, SDL_Window *window)
void KMSDRM_SetWindowGrab(_THIS, SDL_Window *window, SDL_bool grabbed)
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:175
int KMSDRM_VideoInit(_THIS)
#define _THIS
int KMSDRM_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
GLenum mode
drmEventContext drm_evctx
void KMSDRM_RestoreWindow(_THIS, SDL_Window *window)
SDL_bool crtc_ready
void KMSDRM_SetWindowIcon(_THIS, SDL_Window *window, SDL_Surface *icon)
void KMSDRM_HideWindow(_THIS, SDL_Window *window)
struct gbm_device * gbm
SDL_bool KMSDRM_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_bool KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *wdata, int timeout)
SDL_bool
Definition: SDL_stdinc.h:139
unsigned int uint32_t
void KMSDRM_SetWindowPosition(_THIS, SDL_Window *window)
uint32_t crtc_id
void KMSDRM_RaiseWindow(_THIS, SDL_Window *window)
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
void KMSDRM_GLES_DeleteContext(_THIS, SDL_GLContext context)
struct gbm_surface * gs
The type used to identify a window.
Definition: SDL_sysvideo.h:73
GLbitfield GLuint64 timeout
void KMSDRM_MinimizeWindow(_THIS, SDL_Window *window)
void KMSDRM_SetWindowTitle(_THIS, SDL_Window *window)
void KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
struct gbm_bo * next_bo
GLsizei const GLchar *const * path
KMSDRM_FBInfo * KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo)
int KMSDRM_GLES_SwapWindow(_THIS, SDL_Window *window)
void KMSDRM_ShowWindow(_THIS, SDL_Window *window)
EGLContext context
drmModeCrtc * saved_crtc
void KMSDRM_VideoQuit(_THIS)
uint32_t saved_conn_id
void KMSDRM_DestroyWindow(_THIS, SDL_Window *window)