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| author | Chia-I Wu <olv@lunarg.com> | 2010-12-04 12:03:07 +0800 |
|---|---|---|
| committer | Chia-I Wu <olv@lunarg.com> | 2010-12-04 13:20:38 +0800 |
| commit | e8ff3931f801dffdfd54832c298351e933688235 (patch) | |
| tree | 44a830b96b474489bce1b7b02fa3d0008e799a35 /src/mesa | |
| parent | a19eaaa6c1956add5343295af7e9f682efa08d74 (diff) | |
st/vega: Add support for per-channel alpha.
Drawing an image in VG_DRAW_IMAGE_STENCIL mode produces per-channel
alpha for use in blending. Add a new shader stage to produce and save
it in TEMP[1].
For other modes that do not need per-channel alpha, the stage does
MOV TEMP[1], TEMP[0].wwww
Diffstat (limited to 'src/mesa')
0 files changed, 0 insertions, 0 deletions