Iago Toral Quiroga
3539bd63dd
The OpenGL ES spec requires that the value of gl_PointSize is clamped to an implementation-dependent range matching what is advertised by GL_ALIASED_POINT_SIZE_RANGE. For V3D this is [1.0, 512.0], but the hardware won't clamp to the minimum side of the range and won't render points with a size strictly smaller than 1.0 either, so we need to clamp manually. For points larger than the maximum size of the range the hardware clamps automatically. Fixes piglit test: spec/!opengl 2.0/vs-point_size-zero Reviewed-by: Eric Anholt <eric@anholt.net>
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