diff options
| author |  cdalton <cdalton@nvidia.com> | 2015-04-29 14:17:00 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-04-29 14:17:00 -0700 |
| commit | 9954bc38c498f6b9e9d8c0bcc5cd00d45bfc6e23 (patch) | |
| tree | f88d88bad3884d979e595a6a462e21cf89b4bdc9 /src/gpu/GrGpu.h | |
| parent | dbc3cefb0b624808ddb86d444e6103f216e12fa5 (diff) | |
Use texture barriers to read directly from the RT
Updates GrXferProcessor to read directly from the RT texture when
texture barriers are supported and it needs to know the dst color.
Also adds the notion of an Xfer barrier and uses it to issue texture
barriers when the XP will read the RT.
BUG=skia:
Review URL: https://codereview.chromium.org/1040303002
Diffstat (limited to 'src/gpu/GrGpu.h')
| -rw-r--r-- | src/gpu/GrGpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h index 5784781996..b2dbec65fb 100644 --- a/src/gpu/GrGpu.h +++ b/src/gpu/GrGpu.h @@ -304,6 +304,9 @@ public: const SkIRect& srcRect, const SkIPoint& dstPoint) = 0; + // Called before certain draws in order to guarantee coherent results from dst reads. + virtual void xferBarrier(GrXferBarrierType) = 0; + struct DrawArgs { typedef GrDrawTarget::DrawInfo DrawInfo; DrawArgs(const GrPrimitiveProcessor* primProc, |