| 0,0 → 1,173 |
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| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> |
| * Copyright 2010 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 EGLSURFACE_INCLUDED |
| #define EGLSURFACE_INCLUDED |
| |
| |
| #include "egltypedefs.h" |
| #include "egldisplay.h" |
| |
| |
| /** |
| * "Base" class for device driver surfaces. |
| */ |
| struct _egl_surface |
| { |
| /* A surface is a display resource */ |
| _EGLResource Resource; |
| |
| /* The context that is currently bound to the surface */ |
| _EGLContext *CurrentContext; |
| |
| _EGLConfig *Config; |
| |
| EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */ |
| |
| /* attributes set by attribute list */ |
| EGLint Width, Height; |
| EGLenum TextureFormat; |
| EGLenum TextureTarget; |
| EGLBoolean MipmapTexture; |
| EGLBoolean LargestPbuffer; |
| EGLenum RenderBuffer; |
| EGLenum VGAlphaFormat; |
| EGLenum VGColorspace; |
| |
| /* attributes set by eglSurfaceAttrib */ |
| EGLint MipmapLevel; |
| EGLenum MultisampleResolve; |
| EGLenum SwapBehavior; |
| |
| EGLint HorizontalResolution, VerticalResolution; |
| EGLint AspectRatio; |
| |
| EGLint SwapInterval; |
| |
| /* True if the surface is bound to an OpenGL ES texture */ |
| EGLBoolean BoundToTexture; |
| |
| EGLBoolean PostSubBufferSupportedNV; |
| }; |
| |
| |
| PUBLIC EGLBoolean |
| _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type, |
| _EGLConfig *config, const EGLint *attrib_list); |
| |
| |
| extern EGLBoolean |
| _eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value); |
| |
| |
| extern EGLBoolean |
| _eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint value); |
| |
| |
| PUBLIC extern EGLBoolean |
| _eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer); |
| |
| |
| extern EGLBoolean |
| _eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval); |
| |
| |
| /** |
| * Increment reference count for the surface. |
| */ |
| static INLINE _EGLSurface * |
| _eglGetSurface(_EGLSurface *surf) |
| { |
| if (surf) |
| _eglGetResource(&surf->Resource); |
| return surf; |
| } |
| |
| |
| /** |
| * Decrement reference count for the surface. |
| */ |
| static INLINE EGLBoolean |
| _eglPutSurface(_EGLSurface *surf) |
| { |
| return (surf) ? _eglPutResource(&surf->Resource) : EGL_FALSE; |
| } |
| |
| |
| /** |
| * Link a surface to its display and return the handle of the link. |
| * The handle can be passed to client directly. |
| */ |
| static INLINE EGLSurface |
| _eglLinkSurface(_EGLSurface *surf) |
| { |
| _eglLinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE); |
| return (EGLSurface) surf; |
| } |
| |
| |
| /** |
| * Unlink a linked surface from its display. |
| * Accessing an unlinked surface should generate EGL_BAD_SURFACE error. |
| */ |
| static INLINE void |
| _eglUnlinkSurface(_EGLSurface *surf) |
| { |
| _eglUnlinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE); |
| } |
| |
| |
| /** |
| * Lookup a handle to find the linked surface. |
| * Return NULL if the handle has no corresponding linked surface. |
| */ |
| static INLINE _EGLSurface * |
| _eglLookupSurface(EGLSurface surface, _EGLDisplay *dpy) |
| { |
| _EGLSurface *surf = (_EGLSurface *) surface; |
| if (!dpy || !_eglCheckResource((void *) surf, _EGL_RESOURCE_SURFACE, dpy)) |
| surf = NULL; |
| return surf; |
| } |
| |
| |
| /** |
| * Return the handle of a linked surface, or EGL_NO_SURFACE. |
| */ |
| static INLINE EGLSurface |
| _eglGetSurfaceHandle(_EGLSurface *surf) |
| { |
| _EGLResource *res = (_EGLResource *) surf; |
| return (res && _eglIsResourceLinked(res)) ? |
| (EGLSurface) surf : EGL_NO_SURFACE; |
| } |
| |
| |
| #endif /* EGLSURFACE_INCLUDED */ |