kc3-lang/angle/extensions/EGL_ANGLE_query_surface_pointer.txt

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• Hash : c6489b15
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  Date : 2012-01-17T14:28:13
  

  Update extension numbers for published extensions.
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@945 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• extensions/EGL_ANGLE_query_surface_pointer.txt

• Name
  
      ANGLE_query_surface_pointer
  
  Name Strings
  
      EGL_ANGLE_query_surface_pointer
  
  Contributors
  
      Vladimir Vukicevic
      Daniel Koch
  
  Contacts
  
      Vladimir Vukicevic (vladimir 'at' pobox.com)
  
  Status
  
      Complete
      Implemented (ANGLE r558)
  
  Version
  
      Version 3, February 11, 2011
  
  Number
  
      EGL Extension #28
  
  Dependencies
  
      This extension is written against the wording of the EGL 1.4
      Specification. 
  
  Overview
  
      This extension allows querying pointer-sized surface attributes,
      thus avoiding problems with coercing 64-bit pointers into a 32-bit
      integer.
  
  New Types
  
      None
  
  New Procedures and Functions
  
      EGLBoolean eglQuerySurfacePointerANGLE(
                          EGLDisplay dpy,
                          EGLSurface surface,
                          EGLint attribute,
                          void **value);
  
  New Tokens
  
      None
  
  Additions to Chapter 3 of the EGL 1.4 Specification (EGL Functions and Errors)
  
      Add to the end of the paragraph starting with "To query an
      attribute associated with an EGLSurface" in section 3.5.6,
      "Surface Attributes":
  
      "If the attribute type in table 3.5 is 'pointer', then
      eglQuerySurface returns EGL_FALSE and an EGL_BAD_PARAMETER error
      is generated.  To query pointer attributes, call:
  
           EGLBoolean eglQuerySurfacePointerANGLE(
                               EGLDisplay dpy,
                               EGLSurface surface,
                               EGLint attribute,
                               void **value);
  
       eglQuerySurfacePointerANGLE behaves identically to eglQuerySurface,
       except that only attributes of type 'pointer' can be queried.
       If an attribute queried via eglQuerySurfacePointerANGLE is not
       of type 'pointer', then eglQuerySurfacePointer returns EGL_FALSE
       and an EGL_BAD_PARAMETER error is generated."
  
  Issues
  
  Revision History
  
      Version 3, 2011/02/11 - publish
  
      Version 2, 2010/12/21 - fix typos.
  
      Version 1, 2010/12/07 - first draft.
  

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