SDL  2.0
SDL_kmsdrmvideo.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2019 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;
65  struct gbm_bo *crtc_bo;
69 #if SDL_VIDEO_OPENGL_EGL
71 #endif
73 
74 typedef struct KMSDRM_FBInfo
75 {
76  int drm_fd; /* DRM file desc */
77  uint32_t fb_id; /* DRM framebuffer ID */
79 
80 /* Helper functions */
81 KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo);
83 
84 /****************************************************************************/
85 /* SDL_VideoDevice functions declaration */
86 /****************************************************************************/
87 
88 /* Display and window functions */
107 
108 /* Window manager function */
110  struct SDL_SysWMinfo *info);
111 
112 /* OpenGL/OpenGL ES functions */
113 int KMSDRM_GLES_LoadLibrary(_THIS, const char *path);
114 void *KMSDRM_GLES_GetProcAddress(_THIS, const char *proc);
118 int KMSDRM_GLES_SetSwapInterval(_THIS, int interval);
122 
123 #endif /* __SDL_KMSDRMVIDEO_H__ */
124 
125 /* vi: set ts=4 sw=4 expandtab: */
KMSDRM_GLES_GetProcAddress
void * KMSDRM_GLES_GetProcAddress(_THIS, const char *proc)
KMSDRM_DestroyWindow
void KMSDRM_DestroyWindow(_THIS, SDL_Window *window)
SDL_WindowData::current_bo
struct gbm_bo * current_bo
Definition: SDL_kmsdrmvideo.h:63
KMSDRM_SetDisplayMode
int KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:70
SDL_VideoData::drm_pollfd
struct pollfd drm_pollfd
Definition: SDL_kmsdrmvideo.h:45
KMSDRM_SetWindowSize
void KMSDRM_SetWindowSize(_THIS, SDL_Window *window)
KMSDRM_FBInfo
Definition: SDL_kmsdrmvideo.h:74
timeout
GLbitfield GLuint64 timeout
Definition: SDL_opengl_glext.h:1483
mode
GLenum mode
Definition: SDL_opengl_glext.h:1122
SDL_WindowData::next_bo
struct gbm_bo * next_bo
Definition: SDL_kmsdrmvideo.h:64
SDL_SysWMinfo
Definition: SDL_syswm.h:197
SDL_WindowData
Definition: SDL_androidwindow.h:38
SDL_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:193
SDL_VideoData::saved_crtc
drmModeCrtc * saved_crtc
Definition: SDL_kmsdrmvideo.h:46
KMSDRM_MaximizeWindow
void KMSDRM_MaximizeWindow(_THIS, SDL_Window *window)
KMSDRM_GLES_LoadLibrary
int KMSDRM_GLES_LoadLibrary(_THIS, const char *path)
KMSDRM_GLES_SetSwapInterval
int KMSDRM_GLES_SetSwapInterval(_THIS, int interval)
KMSDRM_CreateWindowFrom
int KMSDRM_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
path
GLsizei const GLchar *const * path
Definition: SDL_opengl_glext.h:3730
KMSDRM_CreateWindow
int KMSDRM_CreateWindow(_THIS, SDL_Window *window)
SDL_VideoData::crtc_id
uint32_t crtc_id
Definition: SDL_kmsdrmvideo.h:48
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1973
egl.h
KMSDRM_GLES_UnloadLibrary
void KMSDRM_GLES_UnloadLibrary(_THIS)
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_DisplayMode
The structure that defines a display mode.
Definition: SDL_video.h:53
KMSDRM_GLES_CreateContext
SDL_GLContext KMSDRM_GLES_CreateContext(_THIS, SDL_Window *window)
SDL_WindowData::gs
struct gbm_surface * gs
Definition: SDL_kmsdrmvideo.h:62
SDL_VideoData::gbm
struct gbm_device * gbm
Definition: SDL_kmsdrmvideo.h:43
context
static screen_context_t context
Definition: video.c:25
SDL_DisplayData::encoder_id
uint32_t encoder_id
Definition: SDL_kmsdrmvideo.h:54
SDL_WindowData::crtc_ready
SDL_bool crtc_ready
Definition: SDL_kmsdrmvideo.h:67
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
KMSDRM_SetWindowGrab
void KMSDRM_SetWindowGrab(_THIS, SDL_Window *window, SDL_bool grabbed)
KMSDRM_VideoInit
int KMSDRM_VideoInit(_THIS)
KMSDRM_FBInfo::drm_fd
int drm_fd
Definition: SDL_kmsdrmvideo.h:76
SDL_WindowData::crtc_bo
struct gbm_bo * crtc_bo
Definition: SDL_kmsdrmvideo.h:65
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
KMSDRM_GLES_MakeCurrent
int KMSDRM_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
SDL_DisplayData::cur_mode
drmModeModeInfo cur_mode
Definition: SDL_kmsdrmvideo.h:56
KMSDRM_WaitPageFlip
SDL_bool KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *wdata, int timeout)
SDL_DisplayData
Definition: SDL_cocoamodes.h:26
SDL_VideoData::drm_fd
int drm_fd
Definition: SDL_kmsdrmvideo.h:42
KMSDRM_RestoreWindow
void KMSDRM_RestoreWindow(_THIS, SDL_Window *window)
KMSDRM_SetWindowPosition
void KMSDRM_SetWindowPosition(_THIS, SDL_Window *window)
KMSDRM_RaiseWindow
void KMSDRM_RaiseWindow(_THIS, SDL_Window *window)
KMSDRM_SetWindowIcon
void KMSDRM_SetWindowIcon(_THIS, SDL_Window *window, SDL_Surface *icon)
KMSDRM_HideWindow
void KMSDRM_HideWindow(_THIS, SDL_Window *window)
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
SDL_WindowData::double_buffer
SDL_bool double_buffer
Definition: SDL_kmsdrmvideo.h:68
uint32_t
unsigned int uint32_t
Definition: SDL_config_windows.h:63
SDL_WindowData::waiting_for_flip
SDL_bool waiting_for_flip
Definition: SDL_kmsdrmvideo.h:66
KMSDRM_GetWindowWMInfo
SDL_bool KMSDRM_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
SDL_VideoData::drm_evctx
drmEventContext drm_evctx
Definition: SDL_kmsdrmvideo.h:44
KMSDRM_GLES_DeleteContext
void KMSDRM_GLES_DeleteContext(_THIS, SDL_GLContext context)
KMSDRM_FBFromBO
KMSDRM_FBInfo * KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo)
KMSDRM_ShowWindow
void KMSDRM_ShowWindow(_THIS, SDL_Window *window)
KMSDRM_GLES_SwapWindow
int KMSDRM_GLES_SwapWindow(_THIS, SDL_Window *window)
KMSDRM_MinimizeWindow
void KMSDRM_MinimizeWindow(_THIS, SDL_Window *window)
KMSDRM_SetWindowTitle
void KMSDRM_SetWindowTitle(_THIS, SDL_Window *window)
KMSDRM_GetDisplayModes
void KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
SDL_DisplayData::crtc_id
uint32_t crtc_id
Definition: SDL_kmsdrmvideo.h:55
EGLSurface
void * EGLSurface
Definition: egl.h:59
SDL_WindowData::egl_surface
EGLSurface egl_surface
Definition: SDL_androidwindow.h:40
SDL_VideoData::devindex
int devindex
Definition: SDL_kmsdrmvideo.h:41
KMSDRM_VideoQuit
void KMSDRM_VideoQuit(_THIS)
KMSDRM_GLES_GetSwapInterval
int KMSDRM_GLES_GetSwapInterval(_THIS)
SDL_VideoData::saved_conn_id
uint32_t saved_conn_id
Definition: SDL_kmsdrmvideo.h:47
SDL_VideoData
Definition: SDL_androidvideo.h:36
KMSDRM_FBInfo::fb_id
uint32_t fb_id
Definition: SDL_kmsdrmvideo.h:77