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path: root/src/effects/gradients/Sk4fLinearGradient.h
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* Faster 4f gradient premul pathGravatar fmalita2016-10-14
| | | | | | | | | | | | | | Similar to https://codereview.chromium.org/2409583003/, perform the premul in 4f. It turns out it's even faster to avoid the 255 load multiplication in this case. Also includes some template plumbing because DstTraits<>::load now needs to be premul-aware (previously it wasn't). R=reed@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2416233002 Review-Url: https://codereview.chromium.org/2416233002
* Refactor 4f gradients using trait templatesGravatar fmalita2016-03-21
| | | | | | | | | | | | | | | | Some 4f gradient housekeeping. 1) replace <DstPtrType, ColorProfile> specialization tuples with an enum covering all dest types (L32, S32, F16, F32) 2) group various template helpers into dest trait classes, specialized for each dest type (2a - conflate current dst_swizzle and scale_for_dest ops into one load op) R=reed@google.com,mtklein@google.com,herb@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1816883002 Review URL: https://codereview.chromium.org/1816883002
* allow more options for shader blitprocsGravatar reed2016-03-18
| | | | | | | BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1810383004 Review URL: https://codereview.chromium.org/1810383004
* 4f linear gradient shader blittersGravatar fmalita2016-03-18
| | | | | | | | | | | | Add F16 specializations to support writing to half-float dests. Add color profile template arg across the board to support writing to sRGB dests. R=reed@google.com,mtklein@google.com,herb@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1808963005 Review URL: https://codereview.chromium.org/1808963005
* Generic 4f gradient T sampler fallbackGravatar fmalita2016-03-10
| | | | | | | | | | | | | | | | | | | Add a generic T sampler fallback impl which uses T series produced by subclasses mapTs() overrides. The fallback path uses the same interval structures as the current optimized linear4f impl, but always sorted in stop order (never inverted to match dx/increasing x order). Enable the new mechanism for 4f linear w/ perspective. Other boring changes: * relocate the interval builder (back) to the base class * add a private header for shared templates BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1783823002 Review URL: https://codereview.chromium.org/1783823002
* Relocate the specialized linear gradient interval builderGravatar fmalita2016-03-04
| | | | | | | | | | | | | The specialized interval setup works really well for (4f) linear gradients, but it seems unlikely to benefit other gradient subclasses. Since it gets in the way of a general/fallback gradient impl, let's move this code to Sk4fLinearGradient. R=reed@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1764183002 Review URL: https://codereview.chromium.org/1764183002
* Initial linear gradient 4f implGravatar fmalita2016-02-22
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1688543002 Review URL: https://codereview.chromium.org/1688543002