SDL  2.0
SDL_kmsdrmvideo.h
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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 
48 
49 
50 typedef struct SDL_DisplayModeData
51 {
54 
55 
56 typedef struct SDL_DisplayData
57 {
59  drmModeConnector *conn;
60  drmModeModeInfo mode;
61  drmModeCrtc *saved_crtc; /* CRTC to restore on quit */
63 
64 
65 typedef struct SDL_WindowData
66 {
68  struct gbm_surface *gs;
69  struct gbm_bo *curr_bo;
70  struct gbm_bo *next_bo;
71  struct gbm_bo *crtc_bo;
74 #if SDL_VIDEO_OPENGL_EGL
75  int egl_surface_dirty;
77 #endif
79 
80 typedef struct KMSDRM_FBInfo
81 {
82  int drm_fd; /* DRM file desc */
83  uint32_t fb_id; /* DRM framebuffer ID */
85 
86 /* Helper functions */
88 KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo);
90 
91 /****************************************************************************/
92 /* SDL_VideoDevice functions declaration */
93 /****************************************************************************/
94 
95 /* Display and window functions */
101 int KMSDRM_CreateWindowFrom(_THIS, SDL_Window * window, const void *data);
114 
115 /* Window manager function */
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);
125 int KMSDRM_GLES_SetSwapInterval(_THIS, int interval);
129 
130 #endif /* __SDL_KMSDRMVIDEO_H__ */
131 
132 /* 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)
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
KMSDRM_SetWindowSize
void KMSDRM_SetWindowSize(_THIS, SDL_Window *window)
KMSDRM_FBInfo
Definition: SDL_kmsdrmvideo.h:80
timeout
GLbitfield GLuint64 timeout
Definition: SDL_opengl_glext.h:1486
SDL_VideoData::num_windows
int num_windows
Definition: SDL_kmsdrmvideo.h:46
mode
GLenum mode
Definition: SDL_opengl_glext.h:1125
SDL_WindowData::next_bo
struct gbm_bo * next_bo
Definition: SDL_kmsdrmvideo.h:70
SDL_DisplayModeData::mode_index
int mode_index
Definition: SDL_kmsdrmvideo.h:52
SDL_SysWMinfo
Definition: SDL_syswm.h:201
SDL_WindowData
Definition: SDL_androidwindow.h:38
SDL_WindowData::curr_bo
struct gbm_bo * curr_bo
Definition: SDL_kmsdrmvideo.h:69
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:3733
SDL_DisplayData::mode
drmModeModeInfo mode
Definition: SDL_kmsdrmvideo.h:60
KMSDRM_CreateWindow
int KMSDRM_CreateWindow(_THIS, SDL_Window *window)
KMSDRM_CreateSurfaces
int KMSDRM_CreateSurfaces(_THIS, SDL_Window *window)
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
egl.h
KMSDRM_GLES_UnloadLibrary
void KMSDRM_GLES_UnloadLibrary(_THIS)
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:74
SDL_DisplayData::conn
drmModeConnector * conn
Definition: SDL_kmsdrmvideo.h:59
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:68
SDL_VideoData::gbm
struct gbm_device * gbm
Definition: SDL_kmsdrmvideo.h:42
context
static screen_context_t context
Definition: video.c:25
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
KMSDRM_WaitPageFlip
SDL_bool KMSDRM_WaitPageFlip(_THIS, SDL_WindowData *windata, int timeout)
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:82
SDL_WindowData::crtc_bo
struct gbm_bo * crtc_bo
Definition: SDL_kmsdrmvideo.h:71
_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::saved_crtc
drmModeCrtc * saved_crtc
Definition: SDL_kmsdrmvideo.h:61
SDL_DisplayData
Definition: SDL_cocoamodes.h:26
SDL_VideoData::drm_fd
int drm_fd
Definition: SDL_kmsdrmvideo.h:41
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_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:192
SDL_WindowData::double_buffer
SDL_bool double_buffer
Definition: SDL_kmsdrmvideo.h:73
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:72
KMSDRM_GetWindowWMInfo
SDL_bool KMSDRM_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_VideoDisplay
Definition: SDL_sysvideo.h:126
SDL_WindowData::viddata
SDL_VideoData * viddata
Definition: SDL_kmsdrmvideo.h:67
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:58
EGLSurface
void * EGLSurface
Definition: egl.h:59
SDL_VideoData::max_windows
int max_windows
Definition: SDL_kmsdrmvideo.h:45
SDL_DisplayModeData
Definition: SDL_cocoamodes.h:31
SDL_VideoData::windows
SDL_Window ** windows
Definition: SDL_kmsdrmvideo.h:44
SDL_WindowData::egl_surface
EGLSurface egl_surface
Definition: SDL_androidwindow.h:40
SDL_VideoData::devindex
int devindex
Definition: SDL_kmsdrmvideo.h:40
KMSDRM_VideoQuit
void KMSDRM_VideoQuit(_THIS)
KMSDRM_GLES_GetSwapInterval
int KMSDRM_GLES_GetSwapInterval(_THIS)
SDL_VideoData
Definition: SDL_androidvideo.h:36
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
KMSDRM_FBInfo::fb_id
uint32_t fb_id
Definition: SDL_kmsdrmvideo.h:83