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Use instancing to make VBO data per-rectangle, not per-vertex. #145

Merged
merged 1 commit into from Jan 21, 2016
Merged

Use instancing to make VBO data per-rectangle, not per-vertex. #145

merged 1 commit into from Jan 21, 2016
+895 −415

Commits on Jan 21, 2016

  1. Use instancing to make VBO data per-rectangle, not per-vertex. 

    Doing this slightly reduces the size of our VBOs and opens the door to
performing clipping in the vertex shader. With more clever
optimizations, we should be able to shrink the VBO size down even
further.

This patch includes a fallback for OpenGL ES 2.1. Unfortunately, this
fallback increases the size of the VBOs significantly. This could be
mitigated in the future, though not without effort.
    @pcwalton
    pcwalton committed Jan 21, 2016
    a59bfe6
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