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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-01-06 12:10:27 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-01-06 12:10:27 +0000 |
| commit | 2fefee6015ed2df52c8513ae180ca83c01ff83c0 (patch) | |
| tree | a01d34624bec370aef87a5a3c1d005b3524a4847 | |
| parent | 800ca0b4d1194544fe2461f91cbdc632c4d3dd7a (diff) | |
sna/gen6: Reuse current no-blending setup for PictOpClear
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/gen6_render.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/sna/gen6_render.c b/src/sna/gen6_render.c index bb0aab1f..d35942c3 100644 --- a/src/sna/gen6_render.c +++ b/src/sna/gen6_render.c @@ -585,6 +585,17 @@ gen6_emit_cc(struct sna *sna, if (render->blend == blend) return false; + if (op == PictOpClear) { + uint32_t src; + + /* We can emulate a clear using src, which is beneficial if + * the blend unit is already disabled. + */ + src = BLEND_OFFSET(GEN6_BLENDFACTOR_ONE, GEN6_BLENDFACTOR_ZERO); + if (render->blend == src) + return false; + } + OUT_BATCH(GEN6_3DSTATE_CC_STATE_POINTERS | (4 - 2)); OUT_BATCH((render->cc_blend + blend) | 1); if (render->blend == (unsigned)-1) { |