Merge branch 'xa_branch'

[mesa.git] / src / egl / main / eglimage.h

diff --git a/src/egl/main/eglimage.h b/src/egl/main/eglimage.h
index 026b10307dedc4b498539d177a045c6f5ea9f183..acb36aaeb18892698c26188f0976205ea242310a 100644 (file)
--- a/src/egl/main/eglimage.h
+++ b/src/egl/main/eglimage.h
@@ -1,3 +1,32 @@
+/**************************************************************************
+ *
+ * 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 EGLIMAGE_INCLUDED
 #define EGLIMAGE_INCLUDED
 
@@ -6,6 +35,23 @@
 #include "egldisplay.h"
 
 
+struct _egl_image_attribs
+{
+   /* EGL_KHR_image_base */
+   EGLBoolean ImagePreserved;
+
+   /* EGL_KHR_gl_image */
+   EGLint GLTextureLevel;
+   EGLint GLTextureZOffset;
+
+   /* EGL_MESA_drm_image */
+   EGLint Width;
+   EGLint Height;
+   EGLint DRMBufferFormatMESA;
+   EGLint DRMBufferUseMESA;
+   EGLint DRMBufferStrideMESA;
+};
+
 /**
  * "Base" class for device driver images.
  */
@@ -13,32 +59,48 @@ struct _egl_image
 {
    /* An image is a display resource */
    _EGLResource Resource;
-
-   EGLBoolean Preserved;
 };
 
 
+PUBLIC EGLint
+_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
+                         const EGLint *attrib_list);
+
+
 PUBLIC EGLBoolean
-_eglInitImage(_EGLDriver *drv, _EGLImage *img, const EGLint *attrib_list);
+_eglInitImage(_EGLImage *img, _EGLDisplay *dpy);
 
 
-extern _EGLImage *
-_eglCreateImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
-                   EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list);
+/**
+ * Increment reference count for the image.
+ */
+static INLINE _EGLImage *
+_eglGetImage(_EGLImage *img)
+{
+   if (img)
+      _eglGetResource(&img->Resource);
+   return img;
+}
 
 
-extern EGLBoolean
-_eglDestroyImageKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image);
+/**
+ * Decrement reference count for the image.
+ */
+static INLINE EGLBoolean
+_eglPutImage(_EGLImage *img)
+{
+   return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE;
+}
 
 
 /**
- * Link an image to a display and return the handle of the link.
+ * Link an image to its display and return the handle of the link.
  * The handle can be passed to client directly.
  */
 static INLINE EGLImageKHR
-_eglLinkImage(_EGLImage *img, _EGLDisplay *dpy)
+_eglLinkImage(_EGLImage *img)
 {
-   _eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE, dpy);
+   _eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
    return (EGLImageKHR) img;
 }
 
@@ -61,9 +123,8 @@ _eglUnlinkImage(_EGLImage *img)
 static INLINE _EGLImage *
 _eglLookupImage(EGLImageKHR image, _EGLDisplay *dpy)
 {
-   _EGLResource *res = (_EGLResource *) image;
    _EGLImage *img = (_EGLImage *) image;
-   if (!res || !dpy || !_eglCheckResource(res, _EGL_RESOURCE_IMAGE, dpy))
+   if (!dpy || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, dpy))
       img = NULL;
    return img;
 }
@@ -81,15 +142,4 @@ _eglGetImageHandle(_EGLImage *img)
 }
 
 
-/**
- * Return true if the image is linked to a display.
- */
-static INLINE EGLBoolean
-_eglIsImageLinked(_EGLImage *img)
-{
-   _EGLResource *res = (_EGLResource *) img;
-   return (res && _eglIsResourceLinked(res));
-}
-
-
 #endif /* EGLIMAGE_INCLUDED */