kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "GrDashLinePathRenderer.h" |
| 9 | |
robertphillips | 5d1676c | 2016-07-21 08:18:05 -0700 | [diff] [blame] | 10 | #include "GrAuditTrail.h" |
robertphillips | 5fa7f30 | 2016-07-21 09:21:04 -0700 | [diff] [blame] | 11 | #include "GrGpu.h" |
bsalomon | bb24383 | 2016-07-22 07:10:19 -0700 | [diff] [blame] | 12 | #include "GrPipelineBuilder.h" |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 13 | #include "effects/GrDashingEffect.h" |
| 14 | |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 15 | bool GrDashLinePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 16 | SkPoint pts[2]; |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 17 | bool inverted; |
| 18 | if (args.fShape->style().isDashed() && args.fShape->asLine(pts, &inverted)) { |
| 19 | // We should never have an inverse dashed case. |
| 20 | SkASSERT(!inverted); |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 21 | return GrDashingEffect::CanDrawDashLine(pts, args.fShape->style(), *args.fViewMatrix); |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 22 | } |
| 23 | return false; |
| 24 | } |
| 25 | |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 26 | bool GrDashLinePathRenderer::onDrawPath(const DrawPathArgs& args) { |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 27 | GR_AUDIT_TRAIL_AUTO_FRAME(args.fRenderTargetContext->auditTrail(), |
robertphillips | 976f5f0 | 2016-06-03 10:59:20 -0700 | [diff] [blame] | 28 | "GrDashLinePathRenderer::onDrawPath"); |
Brian Salomon | 419d81e | 2016-12-08 16:57:38 +0000 | [diff] [blame^] | 29 | bool useHWAA = args.fRenderTargetContext->isUnifiedMultisampled(); |
| 30 | GrDashingEffect::AAMode aaMode; |
| 31 | if (useHWAA) { |
| 32 | // We ignore args.fAntiAlias here and force anti aliasing when using MSAA. Otherwise, |
| 33 | // we can wind up with external edges antialiased and internal edges unantialiased. |
| 34 | aaMode = GrDashingEffect::AAMode::kCoverageWithMSAA; |
| 35 | } else if (args.fAntiAlias) { |
| 36 | aaMode = GrDashingEffect::AAMode::kCoverage; |
| 37 | } else { |
| 38 | aaMode = GrDashingEffect::AAMode::kNone; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 39 | } |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 40 | SkPoint pts[2]; |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 41 | SkAssertResult(args.fShape->asLine(pts, nullptr)); |
Brian Salomon | 9afd371 | 2016-12-01 10:59:09 -0500 | [diff] [blame] | 42 | sk_sp<GrDrawOp> batch(GrDashingEffect::CreateDashLineBatch(args.fPaint->getColor(), |
| 43 | *args.fViewMatrix, |
| 44 | pts, |
| 45 | aaMode, |
| 46 | args.fShape->style())); |
robertphillips | 73c4e64 | 2016-03-02 11:36:59 -0800 | [diff] [blame] | 47 | if (!batch) { |
| 48 | return false; |
| 49 | } |
| 50 | |
Brian Salomon | 419d81e | 2016-12-08 16:57:38 +0000 | [diff] [blame^] | 51 | GrPipelineBuilder pipelineBuilder(*args.fPaint, useHWAA); |
bsalomon | bb24383 | 2016-07-22 07:10:19 -0700 | [diff] [blame] | 52 | pipelineBuilder.setUserStencil(args.fUserStencilSettings); |
| 53 | |
Brian Salomon | 42521e8 | 2016-12-07 16:44:58 -0500 | [diff] [blame] | 54 | args.fRenderTargetContext->addDrawOp(pipelineBuilder, *args.fClip, batch.get()); |
robertphillips | 73c4e64 | 2016-03-02 11:36:59 -0800 | [diff] [blame] | 55 | return true; |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 56 | } |