Commits on Aug 25, 2015

1. Update gleam to 0.1.9

   

   emilio committed Aug 25, 2015
   af3310f

2. webgl: Implement multiple calls and improve error detection …

   This commit implements WebGL's:
    * cullFace
    * frontFace
    * enable
    * disable
    * depthMask
    * colorMask
    * clearDepth
    * clearStencil
    * depthFunc
    * depthRange
    * hint
    * lineWidth
    * pixelStorei
    * polygonOffset
    * texParameteri
    * texParameterf
    * texImage2D (partially)
   
   It inlines a lot of OpenGL calls to keep the file
   `components/canvas/webgl_paint_task.rs` as small as possible while
   keeping readability.
   
   It also improves error detection on previous calls, and sets node damage
   on the canvas in the drawing calls.
   
   It adds a `TexImage2D` reftest, even though it's not enabled because:
    * WebGL paints the image when it loads (asynchronously), so the reftest doesn't wait for it and it finishes early
    * If we change the source for the base64 src of the image it works as expected in non-headless mode, but the test harness locks

   

   emilio committed Aug 25, 2015

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