diff options
| author |  Brian Osman <brianosman@google.com> | 2018-02-12 14:32:17 -0500 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2018-02-13 16:30:20 +0000 |
| commit | 8a83ca4e9afc9e3c08b4e8c33a74392f9b3154d7 (patch) | |
| tree | a0f4596f598a8330ef2a95a3964c4fe43bda46a2 /include/gpu/GrContextOptions.h | |
| parent | c126191fd1f540f7318516a965c85a5bff07dad1 (diff) | |
Add "sharpen" option to SkSL, to LOD bias all textures
This adds a fixed bias (-0.5) to the computed LOD of all
mip-mapped texture fetches. (Technically, to all texture
fetches, but that only matters for mip-mapped ones).
Clients can opt-in with a new GrContextOption.
Bug: skia:7541
Bug: chromium:562162
Change-Id: Ie3cd0679c4ab66f62d2dc32e7e68e5c99355115e
Reviewed-on: https://skia-review.googlesource.com/106322
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Diffstat (limited to 'include/gpu/GrContextOptions.h')
| -rw-r--r-- | include/gpu/GrContextOptions.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/gpu/GrContextOptions.h b/include/gpu/GrContextOptions.h index 338c538963..84863f50a6 100644 --- a/include/gpu/GrContextOptions.h +++ b/include/gpu/GrContextOptions.h @@ -135,6 +135,13 @@ struct GrContextOptions { bool fAvoidStencilBuffers = false; /** + * If true, texture fetches from mip-mapped textures will be biased to read larger MIP levels. + * This has the effect of sharpening those textures, at the cost of some aliasing, and possible + * performance impact. + */ + bool fSharpenMipmappedTextures = false; + + /** * Enables driver workaround to use draws instead of glClear. This only applies to * kOpenGL_GrBackend. */ |