softpipe: add textureOffset support

Graphics / Mesa 3D Graphics Library / Mesa - Dave Airlie [redhat.com] - 19 May 2015 21:32 UTC

This was an oversight when GLSL1.30 was enabled, I think my misunderstanding.

This fixes a bunch of tex-miplevel-selection tests under softpipe, and is required for textureGather support.

I'm not sure this won't make sampling slowering, but its softpipe, correctness first and all that.

3f5c67d softpipe: add textureOffset support.
src/gallium/drivers/softpipe/sp_tex_sample.c | 155 +++++++++++++++-----------
src/gallium/drivers/softpipe/sp_tex_sample.h | 4 +
2 files changed, 97 insertions(+), 62 deletions(-)

Upstream: cgit.freedesktop.org

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