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John Stiles bdf3bb7b5f Add support for componentwise matrix divide in SPIR-V. 
All the pieces of the puzzle were already here to support componentwise
addition and subtraction of matrices. Division was just a forgotten gap
in the implementation and is now patched up to match + and -.

NOTE: if you read the SPIR-V output very closely, you may be surprised
that there are fewer FDiv operations than you'd expect from reading the
input SkSL. As it turns out, a preexisting optimization is rewriting
`mat / 4` into `mat * 0.25` (see line 2689), and this rewritten form can
use the dedicated MatrixTimesScalar op. So we only get componentwise
FDivs for the `4 / mat` lines in the source.

Change-Id: I011c859f5b3a031fbb95a2956f1194a5f3b3794b
Bug: skia:11985
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408639
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-17 16:01:10 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bazel bazel baby steps 2020-09-14 15:18:32 +00:00
bench Reland "Reland "Reland "Use conics with w=Inf to describe triangles for the tessellator""" 2021-05-14 23:52:53 +00:00
bin Fix Python3 compatibility 2021-03-25 14:15:35 +00:00
build/fuchsia [fuchsia] Fix fidlc command. 2020-06-10 03:29:24 +00:00
build_overrides Fix ANGLE roll 2021-05-10 15:34:52 +00:00
client_utils/android Replace 'typedef xxxxx INHERITED' with 'using INHERITED = xxxx;'. 2020-09-03 03:41:26 +00:00
demos.skia.org Can ctrl-key work on non-macs? 2021-05-12 17:53:41 +00:00
dm Convert dmsaa to an SkSurfaceProp 2021-04-20 16:24:56 +00:00
docker [infra] Fix index.d.ts copy in Wasm Docker build 2021-02-23 15:54:11 +00:00
docs/examples Must pass filtering to picture shader 2021-03-18 22:18:47 +00:00
example Reland "Remove use of legacy display globals." 2020-10-05 19:13:58 +00:00
experimental [canvaskit] Add initial implementation of generating TS 2021-05-17 13:56:31 +00:00
fuzz Move SkSpan to include/, for use in public API 2021-05-12 13:19:32 +00:00
gm [COLRv1] Map linear gradient extrema to [0, 1] range 2021-05-17 12:24:37 +00:00
gn Add SPIR-V test for matrix-op-scalar math. 2021-05-14 12:52:02 +00:00
include Expose intercepts on SkFont 2021-05-14 14:50:42 +00:00
infra Update go.skia.org/infra in go.mod/go.sum 2021-05-17 14:32:20 +00:00
modules Expose glyphIntercepts to CK 2021-05-15 15:30:50 +00:00
platform_tools [androidkit] add getter for matrices 2021-05-13 19:29:53 +00:00
resources Add support for componentwise matrix divide in SPIR-V. 2021-05-17 16:01:10 +00:00
samplecode Use Wang's formula for quadratic and cubic point counts 2021-05-12 18:33:33 +00:00
site Restore cube demo to canvaskit demo page 2021-04-21 21:55:27 +00:00
specs Fix CanvasKit generated documentation to work with emscripten 1.39.16. 2020-05-27 12:23:32 +00:00
src Add support for componentwise matrix divide in SPIR-V. 2021-05-17 16:01:10 +00:00
tests Add support for componentwise matrix divide in SPIR-V. 2021-05-17 16:01:10 +00:00
third_party Roll skcms from 31ba46d6a284 to bae5e281e80f (1 revision) 2021-05-08 21:32:59 +00:00
tools Fix usage of deprecated wgpu::TextureUsage::OutputAttachment 2021-05-17 14:42:30 +00:00
.bazelignore bazel baby steps 2020-09-14 15:18:32 +00:00
.clang-format no more bin packing in .clang-format 2021-03-04 17:22:50 +00:00
.clang-tidy Disable ClangTidy namespace comments for short blocks. 2020-08-24 14:01:22 +00:00
.gitignore [sk] Add DEPS entry for "sk" tool 2021-04-09 14:21:37 +00:00
.gn Pre-emptive fix for upcoming ANGLE change. 2021-01-08 17:23:52 +00:00
AUTHORS Add UWP support 2021-02-10 19:04:42 +00:00
BUILD.bazel bazel baby steps 2020-09-14 15:18:32 +00:00
BUILD.gn [androidkit] implement ThreadedSurface backed by WindowSurface 2021-05-13 17:15:49 +00:00
codereview.settings Make uploading to Gerrit the default for Skia 2016-11-09 19:07:56 +00:00
CONTRIBUTING Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
CQ_COMMITTERS Moved committer list to chrome-infra-auth and deleted it from the repo 2015-09-02 13:37:54 -07:00
DEPS Roll ANGLE from 3d082a102d72 to 8328743a2ec3 (5 revisions) 2021-05-17 14:44:50 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-02 23:41:54 +00:00
go.mod Update go.skia.org/infra in go.mod/go.sum 2021-05-17 14:32:20 +00:00
go.sum Update go.skia.org/infra in go.mod/go.sum 2021-05-17 14:32:20 +00:00
LICENSE LICENSE file: clean up 2019-11-22 21:59:03 +00:00
PRESUBMIT.py Revert "Display a Docs-Preview link for each modified MD file" 2021-04-22 13:39:28 +00:00
public.bzl Enable DSL FP tests. 2021-04-22 21:03:43 +00:00
README Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
README.chromium Update README.chromium. 2015-06-11 13:19:24 -07:00
RELEASE_NOTES.txt Implement computeFastBounds for PathEffects 2021-05-11 17:01:59 +00:00
whitespace.txt Whitespace change to re-trigger Mac/iOS tests 2020-02-23 20:55:01 +00:00
WORKSPACE.bazel bazel baby steps 2020-09-14 15:18:32 +00:00

README 

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

See full details, and build instructions, at https://skia.org.