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