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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* Copyright 2010-2011 LunarG, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef EGLDISPLAY_INCLUDED
#define EGLDISPLAY_INCLUDED
#include "egltypedefs.h"
#include "egldefines.h"
#include "eglmutex.h"
#include "eglarray.h"
enum _egl_platform_type {
_EGL_PLATFORM_WINDOWS,
_EGL_PLATFORM_X11,
_EGL_PLATFORM_WAYLAND,
_EGL_PLATFORM_DRM,
_EGL_PLATFORM_FBDEV,
_EGL_NUM_PLATFORMS,
_EGL_INVALID_PLATFORM = -1
};
typedef enum _egl_platform_type _EGLPlatformType;
enum _egl_resource_type {
_EGL_RESOURCE_CONTEXT,
_EGL_RESOURCE_SURFACE,
_EGL_RESOURCE_IMAGE,
_EGL_RESOURCE_SYNC,
_EGL_NUM_RESOURCES
};
/* this cannot and need not go into egltypedefs.h */
typedef enum _egl_resource_type _EGLResourceType;
/**
* A resource of a display.
*/
struct _egl_resource
{
/* which display the resource belongs to */
_EGLDisplay *Display;
EGLBoolean IsLinked;
EGLint RefCount;
/* used to link resources of the same type */
_EGLResource *Next;
};
/**
* Optional EGL extensions info.
*/
struct _egl_extensions
{
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
EGLBoolean MESA_drm_display;
EGLBoolean MESA_drm_image;
EGLBoolean WL_bind_wayland_display;
EGLBoolean KHR_image_base;
EGLBoolean KHR_image_pixmap;
EGLBoolean KHR_vg_parent_image;
EGLBoolean KHR_gl_texture_2D_image;
EGLBoolean KHR_gl_texture_cubemap_image;
EGLBoolean KHR_gl_texture_3D_image;
EGLBoolean KHR_gl_renderbuffer_image;
EGLBoolean KHR_reusable_sync;
EGLBoolean KHR_fence_sync;
EGLBoolean KHR_surfaceless_gles1;
EGLBoolean KHR_surfaceless_gles2;
EGLBoolean KHR_surfaceless_opengl;
EGLBoolean NOK_swap_region;
EGLBoolean NOK_texture_from_pixmap;
};
struct _egl_display
{
/* used to link displays */
_EGLDisplay *Next;
_EGLMutex Mutex;
_EGLPlatformType Platform; /**< The type of the platform display */
void *PlatformDisplay; /**< A pointer to the platform display */
_EGLDriver *Driver; /**< Matched driver of the display */
EGLBoolean Initialized; /**< True if the display is initialized */
/* options that affect how the driver initializes the display */
struct {
EGLBoolean TestOnly; /**< Driver should not set fields when true */
EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
} Options;
/* these fields are set by the driver during init */
void *DriverData; /**< Driver private data */
EGLint VersionMajor; /**< EGL major version */
EGLint VersionMinor; /**< EGL minor version */
EGLint ClientAPIs; /**< Bitmask of APIs supported (EGL_xxx_BIT) */
_EGLExtensions Extensions; /**< Extensions supported */
/* these fields are derived from above */
char VersionString[1000]; /**< EGL_VERSION */
char ClientAPIsString[1000]; /**< EGL_CLIENT_APIS */
char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */
_EGLArray *Screens;
_EGLArray *Configs;
/* lists of resources */
_EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
};
extern _EGLPlatformType
_eglGetNativePlatform(EGLNativeDisplayType nativeDisplay);
extern void
_eglFiniDisplay(void);
extern _EGLDisplay *
_eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
PUBLIC void
_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
PUBLIC void
_eglCleanupDisplay(_EGLDisplay *disp);
extern EGLBoolean
_eglCheckDisplayHandle(EGLDisplay dpy);
PUBLIC EGLBoolean
_eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
/**
* Lookup a handle to find the linked display.
* Return NULL if the handle has no corresponding linked display.
*/
static INLINE _EGLDisplay *
_eglLookupDisplay(EGLDisplay display)
{
_EGLDisplay *dpy = (_EGLDisplay *) display;
if (!_eglCheckDisplayHandle(display))
dpy = NULL;
return dpy;
}
/**
* Return the handle of a linked display, or EGL_NO_DISPLAY.
*/
static INLINE EGLDisplay
_eglGetDisplayHandle(_EGLDisplay *dpy)
{
return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
}
extern void
_eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy);
PUBLIC void
_eglGetResource(_EGLResource *res);
PUBLIC EGLBoolean
_eglPutResource(_EGLResource *res);
extern void
_eglLinkResource(_EGLResource *res, _EGLResourceType type);
extern void
_eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
/**
* Return true if the resource is linked.
*/
static INLINE EGLBoolean
_eglIsResourceLinked(_EGLResource *res)
{
return res->IsLinked;
}
#endif /* EGLDISPLAY_INCLUDED */
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