mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-24 06:27:17 +00:00
267 lines
7.7 KiB
C
267 lines
7.7 KiB
C
/**
|
|
* Looking Glass
|
|
* Copyright © 2017-2023 The Looking Glass Authors
|
|
* https://looking-glass.io
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc., 59
|
|
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _H_I_DISPLAYSERVER_
|
|
#define _H_I_DISPLAYSERVER_
|
|
|
|
#include <stdbool.h>
|
|
#include <EGL/egl.h>
|
|
#include "common/types.h"
|
|
#include "common/debug.h"
|
|
|
|
typedef enum LG_ClipboardData
|
|
{
|
|
LG_CLIPBOARD_DATA_TEXT = 0,
|
|
LG_CLIPBOARD_DATA_PNG,
|
|
LG_CLIPBOARD_DATA_BMP,
|
|
LG_CLIPBOARD_DATA_TIFF,
|
|
LG_CLIPBOARD_DATA_JPEG,
|
|
|
|
LG_CLIPBOARD_DATA_NONE // enum max, not a data type
|
|
}
|
|
LG_ClipboardData;
|
|
|
|
typedef enum LG_DSProperty
|
|
{
|
|
/**
|
|
* returns the maximum number of samples supported
|
|
* if not implemented LG assumes no multisample support
|
|
* return data type: int
|
|
*/
|
|
LG_DS_MAX_MULTISAMPLE,
|
|
|
|
/**
|
|
* returns if the platform is warp capable
|
|
* if not implemented LG assumes that the platform is warp capable
|
|
* return data type: bool
|
|
*/
|
|
LG_DS_WARP_SUPPORT,
|
|
}
|
|
LG_DSProperty;
|
|
|
|
enum LG_DSWarpSupport
|
|
{
|
|
LG_DS_WARP_NONE,
|
|
LG_DS_WARP_SURFACE,
|
|
LG_DS_WARP_SCREEN,
|
|
};
|
|
|
|
typedef enum LG_DSPointer
|
|
{
|
|
LG_POINTER_NONE = 0,
|
|
LG_POINTER_SQUARE,
|
|
LG_POINTER_ARROW,
|
|
LG_POINTER_INPUT,
|
|
LG_POINTER_MOVE,
|
|
LG_POINTER_RESIZE_NS,
|
|
LG_POINTER_RESIZE_EW,
|
|
LG_POINTER_RESIZE_NESW,
|
|
LG_POINTER_RESIZE_NWSE,
|
|
LG_POINTER_HAND,
|
|
LG_POINTER_NOT_ALLOWED,
|
|
}
|
|
LG_DSPointer;
|
|
|
|
#define LG_POINTER_COUNT (LG_POINTER_NOT_ALLOWED + 1)
|
|
|
|
typedef struct LG_DSInitParams
|
|
{
|
|
const char * title;
|
|
int x, y, w, h;
|
|
bool center;
|
|
bool fullscreen;
|
|
bool resizable;
|
|
bool borderless;
|
|
bool maximize;
|
|
bool largeCursorDot;
|
|
|
|
// if true the renderer requires an OpenGL context
|
|
bool opengl;
|
|
|
|
// x11 needs to know if this is in use so we can decide to setup for
|
|
// presentation times
|
|
bool jitRender;
|
|
}
|
|
LG_DSInitParams;
|
|
|
|
typedef void (* LG_ClipboardReplyFn)(void * opaque, const LG_ClipboardData type,
|
|
uint8_t * data, uint32_t size);
|
|
|
|
typedef struct LG_DSGLContext
|
|
* LG_DSGLContext;
|
|
|
|
typedef struct LGEvent LGEvent;
|
|
|
|
struct LG_DisplayServerOps
|
|
{
|
|
const char * name;
|
|
|
|
/* called before options are parsed, useful for registering options */
|
|
void (*setup)(void);
|
|
|
|
/* return true if the selected ds is valid for the current platform */
|
|
bool (*probe)(void);
|
|
|
|
/* called before anything has been initialized */
|
|
bool (*earlyInit)(void);
|
|
|
|
/* called when it's time to create and show the application window */
|
|
bool (*init)(const LG_DSInitParams params);
|
|
|
|
/* called at startup after window creation, renderer and SPICE is ready */
|
|
void (*startup)(void);
|
|
|
|
/* called just before final window destruction, before final free */
|
|
void (*shutdown)(void);
|
|
|
|
/* final free */
|
|
void (*free)(void);
|
|
|
|
/*
|
|
* return a system specific property, returns false if unsupported or failure
|
|
* if the platform does not support/implement the requested property the value
|
|
* of `ret` must not be altered.
|
|
*/
|
|
bool (*getProp)(LG_DSProperty prop, void * ret);
|
|
|
|
#ifdef ENABLE_EGL
|
|
/* EGL support */
|
|
EGLDisplay (*getEGLDisplay)(void);
|
|
EGLNativeWindowType (*getEGLNativeWindow)(void);
|
|
void (*eglSwapBuffers)(EGLDisplay display, EGLSurface surface, const struct Rect * damage, int count);
|
|
#endif
|
|
|
|
#ifdef ENABLE_OPENGL
|
|
/* opengl platform specific methods */
|
|
LG_DSGLContext (*glCreateContext)(void);
|
|
void (*glDeleteContext)(LG_DSGLContext context);
|
|
void (*glMakeCurrent)(LG_DSGLContext context);
|
|
void (*glSetSwapInterval)(int interval);
|
|
void (*glSwapBuffers)(void);
|
|
#endif
|
|
|
|
/* Waits for a good time to render the next frame in time for the next vblank.
|
|
* This is optional and a display server may choose to not implement it.
|
|
*
|
|
* return true to force the frame to be rendered, this is used by X11 for
|
|
* calibration */
|
|
bool (*waitFrame)(void);
|
|
|
|
/* This must be called when waitFrame returns, but no frame is actually rendered. */
|
|
void (*skipFrame)(void);
|
|
|
|
/* This is used to interrupt waitFrame. */
|
|
void (*stopWaitFrame)(void);
|
|
|
|
/* dm specific cursor implementations */
|
|
void (*guestPointerUpdated)(double x, double y, double localX, double localY);
|
|
void (*setPointer)(LG_DSPointer pointer);
|
|
void (*grabKeyboard)(void);
|
|
void (*ungrabKeyboard)(void);
|
|
/* (un)grabPointer is used to toggle cursor tracking/confine in normal mode */
|
|
void (*grabPointer)(void);
|
|
void (*ungrabPointer)(void);
|
|
/* (un)capturePointer is used do toggle special cursor tracking in capture mode */
|
|
void (*capturePointer)(void);
|
|
void (*uncapturePointer)(void);
|
|
|
|
/* exiting = true if the warp is to leave the window */
|
|
void (*warpPointer)(int x, int y, bool exiting);
|
|
|
|
/* called when the client needs to realign the pointer. This should simply
|
|
* call the appropriate app_handleMouse* method for the platform with zero
|
|
* deltas */
|
|
void (*realignPointer)(void);
|
|
|
|
/* returns true if the position specified is actually valid */
|
|
bool (*isValidPointerPos)(int x, int y);
|
|
|
|
/* called to disable/enable the screensaver */
|
|
void (*inhibitIdle)(void);
|
|
void (*uninhibitIdle)(void);
|
|
|
|
/* called to request activation */
|
|
void (*requestActivation)(void);
|
|
|
|
/* wait for the specified time without blocking UI processing/event loops */
|
|
void (*wait)(unsigned int time);
|
|
|
|
/* get/set the window dimensions & state */
|
|
void (*setWindowSize)(int x, int y);
|
|
bool (*getFullscreen)(void);
|
|
void (*setFullscreen)(bool fs);
|
|
void (*minimize)(void);
|
|
|
|
/* clipboard support, optional, if not supported set to NULL */
|
|
bool (*cbInit)(void);
|
|
void (*cbNotice)(LG_ClipboardData type);
|
|
void (*cbRelease)(void);
|
|
void (*cbRequest)(LG_ClipboardData type);
|
|
};
|
|
|
|
#ifdef ENABLE_EGL
|
|
#define ASSERT_EGL_FN(x) DEBUG_ASSERT(x)
|
|
#else
|
|
#define ASSERT_EGL_FN(x)
|
|
#endif
|
|
|
|
#ifdef ENABLE_OPENGL
|
|
#define ASSERT_OPENGL_FN(x) DEBUG_ASSERT(x)
|
|
#else
|
|
#define ASSERT_OPENGL_FN(x)
|
|
#endif
|
|
|
|
#define ASSERT_LG_DS_VALID(x) \
|
|
DEBUG_ASSERT((x)->setup ); \
|
|
DEBUG_ASSERT((x)->probe ); \
|
|
DEBUG_ASSERT((x)->earlyInit); \
|
|
DEBUG_ASSERT((x)->init ); \
|
|
DEBUG_ASSERT((x)->startup ); \
|
|
DEBUG_ASSERT((x)->shutdown ); \
|
|
DEBUG_ASSERT((x)->free ); \
|
|
DEBUG_ASSERT((x)->getProp ); \
|
|
ASSERT_EGL_FN((x)->getEGLDisplay ); \
|
|
ASSERT_EGL_FN((x)->getEGLNativeWindow); \
|
|
ASSERT_EGL_FN((x)->eglSwapBuffers ); \
|
|
ASSERT_OPENGL_FN((x)->glCreateContext ); \
|
|
ASSERT_OPENGL_FN((x)->glDeleteContext ); \
|
|
ASSERT_OPENGL_FN((x)->glMakeCurrent ); \
|
|
ASSERT_OPENGL_FN((x)->glSetSwapInterval); \
|
|
ASSERT_OPENGL_FN((x)->glSwapBuffers ); \
|
|
DEBUG_ASSERT(!(x)->waitFrame == !(x)->stopWaitFrame); \
|
|
DEBUG_ASSERT((x)->guestPointerUpdated); \
|
|
DEBUG_ASSERT((x)->setPointer ); \
|
|
DEBUG_ASSERT((x)->grabPointer ); \
|
|
DEBUG_ASSERT((x)->ungrabPointer ); \
|
|
DEBUG_ASSERT((x)->capturePointer ); \
|
|
DEBUG_ASSERT((x)->uncapturePointer ); \
|
|
DEBUG_ASSERT((x)->warpPointer ); \
|
|
DEBUG_ASSERT((x)->realignPointer ); \
|
|
DEBUG_ASSERT((x)->isValidPointerPos ); \
|
|
DEBUG_ASSERT((x)->inhibitIdle ); \
|
|
DEBUG_ASSERT((x)->uninhibitIdle ); \
|
|
DEBUG_ASSERT((x)->wait ); \
|
|
DEBUG_ASSERT((x)->setWindowSize ); \
|
|
DEBUG_ASSERT((x)->setFullscreen ); \
|
|
DEBUG_ASSERT((x)->getFullscreen ); \
|
|
DEBUG_ASSERT((x)->minimize );
|
|
|
|
#endif
|