X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fegl%2Fmain%2Feglcontext.h;h=2c6ebd19cb9c2eb6bcfdc48e81d9e7c1cbb7c387;hb=7d5a13ebf31edab412a06c075b847fc9f0137da1;hp=c2b8280b6703df16be9076c89c319be678446498;hpb=4ce33ec606292d92eff5afad6f50e1acc7109729;p=mesa.git

diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index c2b8280b670..2c6ebd19cb9 100644
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -1,11 +1,46 @@
+/**************************************************************************
+ *
+ * Copyright 2008 VMware, Inc.
+ * 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 EGLCONTEXT_INCLUDED
 #define EGLCONTEXT_INCLUDED
 
+#include "c99_compat.h"
 
 #include "egltypedefs.h"
 #include "egldisplay.h"
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * "Base" class for device driver contexts.
  */
@@ -22,36 +57,54 @@ struct _egl_context
    _EGLConfig *Config;
 
    EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */
-   EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */
-
-   /* The real render buffer when a window surface is bound */
-   EGLint WindowRenderBuffer;
+   EGLint ClientMajorVersion;
+   EGLint ClientMinorVersion;
+   EGLint Flags;
+   EGLint Profile;
+   EGLint ResetNotificationStrategy;
+   EGLint ContextPriority;
+   EGLBoolean NoError;
+   EGLint ReleaseBehavior;
 };
 
 
-PUBLIC EGLBoolean
-_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy,
+extern EGLBoolean
+_eglInitContext(_EGLContext *ctx, _EGLDisplay *disp,
                 _EGLConfig *config, const EGLint *attrib_list);
 
 
 extern EGLBoolean
-_eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value);
+_eglQueryContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx, EGLint attribute, EGLint *value);
 
 
-PUBLIC EGLBoolean
-_eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read);
+extern EGLBoolean
+_eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read,
+                _EGLContext **old_ctx,
+                _EGLSurface **old_draw, _EGLSurface **old_read);
+
+extern _EGLContext *
+_eglBindContextToThread(_EGLContext *ctx, _EGLThreadInfo *t);
 
 
 /**
- * Return true if the context is bound to a thread.
- *
- * The binding is considered a reference to the context.  Drivers should not
- * destroy a context when it is bound.
+ * Increment reference count for the context.
  */
-static INLINE EGLBoolean
-_eglIsContextBound(_EGLContext *ctx)
+static inline _EGLContext *
+_eglGetContext(_EGLContext *ctx)
 {
-   return (ctx->Binding != NULL);
+   if (ctx)
+      _eglGetResource(&ctx->Resource);
+   return ctx;
+}
+
+
+/**
+ * Decrement reference count for the context.
+ */
+static inline EGLBoolean
+_eglPutContext(_EGLContext *ctx)
+{
+   return (ctx) ? _eglPutResource(&ctx->Resource) : EGL_FALSE;
 }
 
 
@@ -59,7 +112,7 @@ _eglIsContextBound(_EGLContext *ctx)
  * Link a context to its display and return the handle of the link.
  * The handle can be passed to client directly.
  */
-static INLINE EGLContext
+static inline EGLContext
 _eglLinkContext(_EGLContext *ctx)
 {
    _eglLinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT);
@@ -71,7 +124,7 @@ _eglLinkContext(_EGLContext *ctx)
  * Unlink a linked context from its display.
  * Accessing an unlinked context should generate EGL_BAD_CONTEXT error.
  */
-static INLINE void
+static inline void
 _eglUnlinkContext(_EGLContext *ctx)
 {
    _eglUnlinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT);
@@ -82,11 +135,11 @@ _eglUnlinkContext(_EGLContext *ctx)
  * Lookup a handle to find the linked context.
  * Return NULL if the handle has no corresponding linked context.
  */
-static INLINE _EGLContext *
-_eglLookupContext(EGLContext context, _EGLDisplay *dpy)
+static inline _EGLContext *
+_eglLookupContext(EGLContext context, _EGLDisplay *disp)
 {
    _EGLContext *ctx = (_EGLContext *) context;
-   if (!dpy || !_eglCheckResource((void *) ctx, _EGL_RESOURCE_CONTEXT, dpy))
+   if (!disp || !_eglCheckResource((void *) ctx, _EGL_RESOURCE_CONTEXT, disp))
       ctx = NULL;
    return ctx;
 }
@@ -95,7 +148,7 @@ _eglLookupContext(EGLContext context, _EGLDisplay *dpy)
 /**
  * Return the handle of a linked context, or EGL_NO_CONTEXT.
  */
-static INLINE EGLContext
+static inline EGLContext
 _eglGetContextHandle(_EGLContext *ctx)
 {
    _EGLResource *res = (_EGLResource *) ctx;
@@ -104,18 +157,8 @@ _eglGetContextHandle(_EGLContext *ctx)
 }
 
 
-/**
- * Return true if the context is linked to a display.
- *
- * The link is considered a reference to the context (the display is owning the
- * context).  Drivers should not destroy a context when it is linked.
- */
-static INLINE EGLBoolean
-_eglIsContextLinked(_EGLContext *ctx)
-{
-   _EGLResource *res = (_EGLResource *) ctx;
-   return (res && _eglIsResourceLinked(res));
+#ifdef __cplusplus
 }
-
+#endif
 
 #endif /* EGLCONTEXT_INCLUDED */