skia2/samplecode
Chris Dalton 8738cf4c19 ccpr: Simplify triangle corners
Modifies triangle corner shaders to just approximate their coverage with
linear values that ramp to zero at bloat vertices outside the triangle.

For the vertex backend, since corners now have the same fragment shader
as the rest of the triangle, we fold them in with the other steps and
draw triangles in a single pass.

The geometry backend still draws triangles in two passes, as there is
not an apparent performance advantage in combining them.

Updates SampleCCPRGeometry to better visualize this new geometry by
clearing to black and drawing with SkBlendMode::kPlus.

Bug: skia:
Change-Id: Idf8df8ff715dfab7ac91a07b914f65c08e46010b
Reviewed-on: https://skia-review.googlesource.com/113287
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2018-03-09 19:25:11 +00:00
..
ClockFaceView.cpp remove unused SkRasterizer 2018-01-21 18:24:11 +00:00
DecodeFile.h use unique_ptr for codec factories 2017-07-25 15:35:23 +00:00
PerlinPatch.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
Sample2PtRadial.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleAAClip.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleAAGeometry.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleAARectModes.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleAARects.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleAll.cpp remove unused SkRasterizer 2018-01-21 18:24:11 +00:00
SampleAndroidShadows.cpp Remove deprecated drawShadow interfaces 2018-02-28 19:07:29 +00:00
SampleAnimatedImage.cpp Simplify SkAnimatedImage 2018-01-30 18:46:35 +00:00
SampleAnimatedText.cpp Move internal calls from GrContext to GrContextPriv 2018-03-06 14:23:45 +00:00
SampleAnimator.cpp SkFontData to use smart pointers. 2016-09-16 06:24:20 -07:00
SampleAnimBlur.cpp switch maskfilters to sk_sp 2016-04-04 10:02:58 -07:00
SampleArc.cpp remove unused SkRasterizer 2018-01-21 18:24:11 +00:00
SampleAtlas.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleBigBlur.cpp switch maskfilters to sk_sp 2016-04-04 10:02:58 -07:00
SampleBigGradient.cpp turn on extended Clang warnings on Windows too 2017-12-04 19:29:51 +00:00
SampleBitmapRect.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleBlur.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleCamera.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleCCPRGeometry.cpp ccpr: Simplify triangle corners 2018-03-09 19:25:11 +00:00
SampleChart.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleChineseFling.cpp Move internal calls from GrContext to GrContextPriv 2018-03-06 14:23:45 +00:00
SampleCircle.cpp Factor code to rotate a canvas about a point. 2016-07-12 15:01:19 -07:00
SampleClamp.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleClip.cpp add drawString helper to canvas 2017-04-28 20:41:04 +00:00
SampleClipDrawMatch.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleClock.cpp Add samples to Viewer. 2016-06-16 09:52:35 -07:00
SampleCode.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleCode.h Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleColorFilter.cpp remove xfermode from public api 2016-10-28 20:06:17 +00:00
SampleComplexClip.cpp add drawString helper to canvas 2017-04-28 20:41:04 +00:00
SampleConcavePaths.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleCowboy.cpp Revert "Revert "resources: remove most uses of GetResourcePath()"" 2017-12-09 01:27:50 +00:00
SampleDash.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleDegenerateTwoPtRadials.cpp add drawString helper to canvas 2017-04-28 20:41:04 +00:00
SampleDither.cpp Revert "efficiently dash very large rectangles and very long lines" 2017-12-19 20:20:17 +00:00
SampleEffects.cpp Alloc glyph image correctly for SkMask::k3D_Format. 2017-11-14 17:38:34 +00:00
SampleEmboss.cpp Revert "Revert "make it illegal to include SkXfermode.h"" 2016-11-23 22:17:17 +00:00
SampleFatBits.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleFillType.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleFilter2.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleFilterFuzz.cpp remove unneeded SkFlattenableSerialization 2018-01-23 18:13:35 +00:00
SampleFilterQuality.cpp resources: orgainize directory. 2017-12-08 17:16:00 +00:00
SampleFlutterAnimate.cpp Use int when possible to calculate atlas indices in shaders. 2018-01-26 13:54:54 +00:00
SampleFontCache.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleFontScalerTest.cpp Remove internal use of SkTypeface::Style. 2017-07-27 21:30:45 +00:00
SampleFuzz.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleGradients.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleHairCurves.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleHairline.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleHairModes.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleHT.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleIdentityScale.cpp Revert "Revert "resources: remove most uses of GetResourcePath()"" 2017-12-09 01:27:50 +00:00
SampleLayerMask.cpp Revert "Revert "Reland: Remove SkLights include from SkCanvas.h"" 2017-05-03 19:17:11 +00:00
SampleLayers.cpp resources: orgainize directory. 2017-12-08 17:16:00 +00:00
SampleLCD.cpp Rein in the use of SkDevice.h 2016-04-20 05:29:51 -07:00
SampleLines.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleLua.cpp Fix SampleLua build 2017-12-11 17:15:40 +00:00
SampleManyRects.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleMeasure.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00
SampleMegaStroke.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SamplePatch.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SamplePath.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SamplePathClip.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SamplePathEffects.cpp remove unused SkRasterizer 2018-01-21 18:24:11 +00:00
SamplePathFill.cpp stop using SkScalarMul 2017-02-14 19:45:24 +00:00
SamplePathFuzz.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SamplePathOverstroke.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SamplePathText.cpp Remove all uses of getCache with get. 2018-03-09 16:19:40 +00:00
SamplePdfFileViewer.cpp Revert "Revert "make it illegal to include SkXfermode.h"" 2016-11-23 22:17:17 +00:00
SamplePoints.cpp Revert "Revert "make it illegal to include SkXfermode.h"" 2016-11-23 22:17:17 +00:00
SamplePolyToPoly.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleQuadStroker.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleRectanizer.cpp Fix leak in GM:Rectanizer 2017-12-24 17:06:42 +00:00
SampleRegion.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleRepeatTile.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleSGInval.cpp [sksg] Fix paint inval 2017-12-29 00:41:00 +00:00
SampleShaders.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleShaderText.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleShadowColor.cpp Remove deprecated drawShadow interfaces 2018-02-28 19:07:29 +00:00
SampleShadowReference.cpp Remove deprecated drawShadow interfaces 2018-02-28 19:07:29 +00:00
SampleShadowUtils.cpp Fall back to blurs for unsupported DrawShadow cases 2018-02-28 20:19:33 +00:00
SampleShip.cpp resources: orgainize directory. 2017-12-08 17:16:00 +00:00
SampleSlides.cpp remove unused SkRasterizer 2018-01-21 18:24:11 +00:00
SampleStringArt.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleStrokePath.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleStrokeRect.cpp Rein in the use of SkDevice.h 2016-04-20 05:29:51 -07:00
SampleSubpixelTranslate.cpp Revert "Revert "resources: remove most uses of GetResourcePath()"" 2017-12-09 01:27:50 +00:00
SampleSVGFile.cpp Mark overridden destructors with 'override' and remove 'virtual' 2017-03-22 16:06:18 +00:00
SampleSVGPong.cpp [skottie] Hierarchical animators 2018-01-29 16:16:21 +00:00
SampleText.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleTextAlpha.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleTextBox.cpp use SkShaper instead of SkTextBox 2018-02-10 18:34:37 +00:00
SampleTextOnPath.cpp Delete even more unused views code 2017-11-29 18:12:35 +00:00
SampleTextureDomain.cpp hide lockpixels api behind flag 2017-04-17 15:33:36 +00:00
SampleTiling.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleUnpremul.cpp resources: orgainize directory. 2017-12-08 17:16:00 +00:00
SampleVertices.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleWritePixels.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
SampleXfer.cpp Remove more views code, just to simplify things 2017-12-01 17:12:49 +00:00
SampleXfermodesBlur.cpp IWYU -- SkShader.h 2018-01-23 18:08:30 +00:00
vertexdump.cpp Style bikeshed - remove extraneous whitespace 2016-03-29 09:03:53 -07:00