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+Name
+
+    HI_clientpixmap
+
+Name Strings
+
+    EGL_HI_clientpixmap
+
+Contributors
+
+    Guillaume Portier
+
+Contacts
+
+    HI support. (support_renderion 'at' hicorp.co.jp)
+
+Status
+
+    Shipping (Revision 3).
+
+Version
+
+    Last Modified Date: June 7, 2010
+    Revision 3
+
+Number
+
+    EGL Extension #24
+
+Dependencies
+
+    This extension is written against the wording of the EGL 1.4
+    Specification.
+
+Overview
+
+    The extension specified in this document provide a mechanism for
+    using memory allocated by the application as a color-buffer.
+
+
+New Types
+
+    EGLClientPixmapHI : specifies the width, height, stride, format 
+    and memory pointer of the pixmap to be used by the function
+    eglCreatePixmapSurfaceHI to create the PixmapSurface.
+
+    Members:
+        void*		pData;
+             Pointer to a memory buffer allocated by the application
+             that will contain the result of the drawing operations.
+             It is up to the application to ensure that the buffer
+             size corresponds to iHeight * iStride * sizeof(pixel).
+        EGLint		iWidth;
+             Width of the buffer in pixels.
+        EGLint		iHeight;
+             Height of the buffer in pixels. The height of the buffer
+             can be negative; in that case the result of the
+             drawing operations will be vertically swapped. When
+			 positive, pData will point at the bottom-left corner
+             of the image; when negative, to the top-left corner.
+        EGLint		iStride;
+	         Stride of the buffer, in pixels. It is important to note
+             that each row of the buffer must start on 32-bit
+             boundaries.
+
+New Procedures and Functions
+
+    eglCreatePixmapSurfaceHI : creates an EGL ClientPixmap from 
+    an EGLClientPixmapHI structure. eglCreatePixmapSurfaceHI usage
+    is identical to eglCreatePixmapSurface. In addition the ordering
+    of the color components in the color buffer can be specified by
+    the surface attribute described in the EGL_HI_colorformats
+    extension.
+
+    In order to update the pointer to the data of the surface, the application 
+    can call eglSurfaceAttrib with the EGL_CLIENT_PIXMAP_POINTER_HI attribute.
+    See below for an example.
+
+New Tokens
+
+    None.
+
+Example
+
+
+    EGLClientPixmapHI pixmap;
+    EGLint attrib_list[] = {
+        EGL_RED_SIZE, 8,
+        EGL_GREEN_SIZE, 8,
+        EGL_BLUE_SIZE, 8,
+        EGL_ALPHA_SIZE, 8,
+        EGL_SURFACE_TYPE, EGL_PIXMAP_BIT,
+        // Specifying ARGB as a color format
+        EGL_COLOR_FORMAT_HI, EGL_COLOR_ARGB_HI,
+        EGL_NONE
+    };
+
+    // ‘access' being the memory to render into.
+    pixmap.pData = framebuffer.access;
+    pixmap.iWidht = framebuffer.width;
+    pixmap.iHeight = framebuffer.height;
+    pixmap.iStride = framebuffer.stride;
+
+
+
+    //Get Config ARGB8
+    eglChooseConfig(dpy, attrib_list, &config, 1, &num_config);
+    
+    // Create the pixmap
+    #ifdef EGL_EGLEXT_PROTOTYPES
+    
+    eglCreatePixmapSurfaceHI(eglDisplay, ppkConfig[0],  &gHiPixmap);
+
+    #else
+
+    pfCreatePixmap = (PFNEGLCREATEPIXMAPSURFACEHIPROC)
+                         eglGetProcAddress("eglCreatePixmapSurfaceHI");
+    pfCreatePixmap(eglDisplay, ppkConfig[0], &gHiPixmap);
+    
+    #endif /* EGL_EGLEXT_PROTOTYPES */
+
+
+    // Update the surface data pointer, from now we will render into the
+    // memory pointed by 'access2'. 
+    eglSurfaceAttrib(eglDisplay, eglSurface, EGL_CLIENT_PIXMAP_POINTER_HI,
+                     offscreen.access2);
+
+Issues
+
+    None
+
+
+Revision History
+
+    June 7, 2010 (r3)
+        - Allow updating the pixmap data pointer using eglSurfaceAttrib with
+          the EGL_CLIENT_PIXMAP_POINTER_HI attribute.
+                             
+    June 16, 2009 (r2)
+        - Split HI_clientpixmap into two different extensions:
+          - HI_colorformats
+          - HI_clientpixmap
+
+    March 3, 2009 (r1)