robertphillips@google.com | 1e945b7 | 2012-04-16 18:03:03 +0000 | [diff] [blame] | 1 | /* |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 2 | * Copyright 2016 Google Inc. |
robertphillips@google.com | 1e945b7 | 2012-04-16 18:03:03 +0000 | [diff] [blame] | 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 | |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 8 | #include "GrClipStackClip.h" |
| 9 | |
csmartdalton | 28341fa | 2016-08-17 10:00:21 -0700 | [diff] [blame] | 10 | #include "GrAppliedClip.h" |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 11 | #include "GrContextPriv.h" |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 12 | #include "GrDrawingManager.h" |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 13 | #include "GrRenderTargetContextPriv.h" |
csmartdalton | 02fa32c | 2016-08-19 13:29:27 -0700 | [diff] [blame] | 14 | #include "GrFixedClip.h" |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 15 | #include "GrGpuResourcePriv.h" |
csmartdalton | 28341fa | 2016-08-17 10:00:21 -0700 | [diff] [blame] | 16 | #include "GrRenderTargetPriv.h" |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 17 | #include "GrStencilAttachment.h" |
robertphillips@google.com | 58b2021 | 2012-06-27 20:44:52 +0000 | [diff] [blame] | 18 | #include "GrSWMaskHelper.h" |
Robert Phillips | e305cc1f | 2016-12-14 12:19:05 -0500 | [diff] [blame] | 19 | #include "GrTextureProxy.h" |
egdaniel | 8d95ffa | 2014-12-08 13:26:43 -0800 | [diff] [blame] | 20 | #include "effects/GrConvexPolyEffect.h" |
| 21 | #include "effects/GrRRectEffect.h" |
egdaniel | 9513143 | 2014-12-09 11:15:43 -0800 | [diff] [blame] | 22 | #include "effects/GrTextureDomain.h" |
Mike Reed | ebfce6d | 2016-12-12 10:02:12 -0500 | [diff] [blame] | 23 | #include "SkClipOpPriv.h" |
bsalomon@google.com | c6b3e48 | 2012-12-07 20:43:52 +0000 | [diff] [blame] | 24 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 25 | typedef SkClipStack::Element Element; |
csmartdalton | cbecb08 | 2016-07-22 08:59:08 -0700 | [diff] [blame] | 26 | typedef GrReducedClip::InitialState InitialState; |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 27 | typedef GrReducedClip::ElementList ElementList; |
bsalomon@google.com | 51a6286 | 2012-11-26 21:19:43 +0000 | [diff] [blame] | 28 | |
robertphillips | 976f5f0 | 2016-06-03 10:59:20 -0700 | [diff] [blame] | 29 | static const int kMaxAnalyticElements = 4; |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 30 | const char GrClipStackClip::kMaskTestTag[] = "clip_mask"; |
robertphillips | 976f5f0 | 2016-06-03 10:59:20 -0700 | [diff] [blame] | 31 | |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 32 | bool GrClipStackClip::quickContains(const SkRect& rect) const { |
reed | 4d2cce4 | 2016-08-22 13:03:47 -0700 | [diff] [blame] | 33 | if (!fStack || fStack->isWideOpen()) { |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 34 | return true; |
| 35 | } |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 36 | return fStack->quickContains(rect); |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 37 | } |
| 38 | |
bsalomon | 7f0d9f3 | 2016-08-15 14:49:10 -0700 | [diff] [blame] | 39 | bool GrClipStackClip::quickContains(const SkRRect& rrect) const { |
reed | 4d2cce4 | 2016-08-22 13:03:47 -0700 | [diff] [blame] | 40 | if (!fStack || fStack->isWideOpen()) { |
bsalomon | 7f0d9f3 | 2016-08-15 14:49:10 -0700 | [diff] [blame] | 41 | return true; |
| 42 | } |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 43 | return fStack->quickContains(rrect); |
bsalomon | 7f0d9f3 | 2016-08-15 14:49:10 -0700 | [diff] [blame] | 44 | } |
| 45 | |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 46 | bool GrClipStackClip::isRRect(const SkRect& origRTBounds, SkRRect* rr, GrAA* aa) const { |
bsalomon | cb31e51 | 2016-08-26 10:48:19 -0700 | [diff] [blame] | 47 | if (!fStack) { |
| 48 | return false; |
| 49 | } |
| 50 | const SkRect* rtBounds = &origRTBounds; |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 51 | bool isAA; |
| 52 | if (fStack->isRRect(*rtBounds, rr, &isAA)) { |
| 53 | *aa = GrBoolToAA(isAA); |
bsalomon | cb31e51 | 2016-08-26 10:48:19 -0700 | [diff] [blame] | 54 | return true; |
| 55 | } |
| 56 | return false; |
| 57 | } |
| 58 | |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 59 | void GrClipStackClip::getConservativeBounds(int width, int height, SkIRect* devResult, |
| 60 | bool* isIntersectionOfRects) const { |
| 61 | if (!fStack) { |
| 62 | devResult->setXYWH(0, 0, width, height); |
| 63 | if (isIntersectionOfRects) { |
| 64 | *isIntersectionOfRects = true; |
| 65 | } |
| 66 | return; |
| 67 | } |
| 68 | SkRect devBounds; |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 69 | fStack->getConservativeBounds(0, 0, width, height, &devBounds, isIntersectionOfRects); |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 70 | devBounds.roundOut(devResult); |
| 71 | } |
| 72 | |
bsalomon@google.com | 51a6286 | 2012-11-26 21:19:43 +0000 | [diff] [blame] | 73 | //////////////////////////////////////////////////////////////////////////////// |
Brian Salomon | 2ebd0c8 | 2016-10-03 17:15:28 -0400 | [diff] [blame] | 74 | // set up the draw state to enable the aa clipping mask. |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 75 | static sk_sp<GrFragmentProcessor> create_fp_for_mask(GrResourceProvider* resourceProvider, |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 76 | sk_sp<GrTextureProxy> mask, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 77 | const SkIRect &devBound) { |
bsalomon@google.com | 7b7cdd1 | 2012-11-07 16:17:24 +0000 | [diff] [blame] | 78 | SkIRect domainTexels = SkIRect::MakeWH(devBound.width(), devBound.height()); |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 79 | return GrDeviceSpaceTextureDecalFragmentProcessor::Make(resourceProvider, |
| 80 | std::move(mask), domainTexels, |
Brian Salomon | 2ebd0c8 | 2016-10-03 17:15:28 -0400 | [diff] [blame] | 81 | {devBound.fLeft, devBound.fTop}); |
robertphillips@google.com | a72eef3 | 2012-05-01 17:22:59 +0000 | [diff] [blame] | 82 | } |
| 83 | |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 84 | // Does the path in 'element' require SW rendering? If so, return true (and, |
| 85 | // optionally, set 'prOut' to NULL. If not, return false (and, optionally, set |
| 86 | // 'prOut' to the non-SW path renderer that will do the job). |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 87 | bool GrClipStackClip::PathNeedsSWRenderer(GrContext* context, |
| 88 | bool hasUserStencilSettings, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 89 | const GrRenderTargetContext* renderTargetContext, |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 90 | const SkMatrix& viewMatrix, |
| 91 | const Element* element, |
| 92 | GrPathRenderer** prOut, |
| 93 | bool needsStencil) { |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 94 | if (Element::kRect_Type == element->getType()) { |
| 95 | // rects can always be drawn directly w/o using the software path |
| 96 | // TODO: skip rrects once we're drawing them directly. |
| 97 | if (prOut) { |
| 98 | *prOut = nullptr; |
| 99 | } |
| 100 | return false; |
| 101 | } else { |
| 102 | // We shouldn't get here with an empty clip element. |
| 103 | SkASSERT(Element::kEmpty_Type != element->getType()); |
robertphillips | 5c3ea4c | 2015-10-26 08:33:10 -0700 | [diff] [blame] | 104 | |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 105 | // the gpu alpha mask will draw the inverse paths as non-inverse to a temp buffer |
| 106 | SkPath path; |
| 107 | element->asPath(&path); |
| 108 | if (path.isInverseFillType()) { |
| 109 | path.toggleInverseFillType(); |
| 110 | } |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 111 | |
Brian Salomon | 82125e9 | 2016-12-10 09:35:48 -0500 | [diff] [blame] | 112 | GrPathRendererChain::DrawType type = |
| 113 | needsStencil ? GrPathRendererChain::DrawType::kStencilAndColor |
| 114 | : GrPathRendererChain::DrawType::kColor; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 115 | |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 116 | GrShape shape(path, GrStyle::SimpleFill()); |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 117 | GrPathRenderer::CanDrawPathArgs canDrawArgs; |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 118 | canDrawArgs.fCaps = context->caps(); |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 119 | canDrawArgs.fViewMatrix = &viewMatrix; |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 120 | canDrawArgs.fShape = &shape; |
Brian Salomon | 7c8460e | 2017-05-12 11:36:10 -0400 | [diff] [blame] | 121 | canDrawArgs.fAAType = GrChooseAAType(GrBoolToAA(element->isAA()), |
| 122 | renderTargetContext->fsaaType(), |
Brian Salomon | e225b56 | 2017-06-14 13:00:03 -0400 | [diff] [blame^] | 123 | GrAllowMixedSamples::kYes, |
| 124 | *context->caps()); |
cdalton | 93a379b | 2016-05-11 13:58:08 -0700 | [diff] [blame] | 125 | canDrawArgs.fHasUserStencilSettings = hasUserStencilSettings; |
robertphillips | 6873782 | 2015-10-29 12:12:21 -0700 | [diff] [blame] | 126 | |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 127 | // the 'false' parameter disallows use of the SW path renderer |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 128 | GrPathRenderer* pr = |
| 129 | context->contextPriv().drawingManager()->getPathRenderer(canDrawArgs, false, type); |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 130 | if (prOut) { |
| 131 | *prOut = pr; |
| 132 | } |
| 133 | return SkToBool(!pr); |
| 134 | } |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 135 | } |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 136 | |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 137 | /* |
| 138 | * This method traverses the clip stack to see if the GrSoftwarePathRenderer |
| 139 | * will be used on any element. If so, it returns true to indicate that the |
| 140 | * entire clip should be rendered in SW and then uploaded en masse to the gpu. |
| 141 | */ |
csmartdalton | c6f411e | 2016-08-05 22:32:12 -0700 | [diff] [blame] | 142 | bool GrClipStackClip::UseSWOnlyPath(GrContext* context, |
| 143 | bool hasUserStencilSettings, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 144 | const GrRenderTargetContext* renderTargetContext, |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 145 | const GrReducedClip& reducedClip) { |
robertphillips@google.com | 8a4fc40 | 2012-05-24 12:42:24 +0000 | [diff] [blame] | 146 | // TODO: generalize this function so that when |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 147 | // a clip gets complex enough it can just be done in SW regardless |
| 148 | // of whether it would invoke the GrSoftwarePathRenderer. |
skia.committer@gmail.com | d21444a | 2012-12-07 02:01:25 +0000 | [diff] [blame] | 149 | |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 150 | // If we're avoiding stencils, always use SW: |
| 151 | if (context->caps()->avoidStencilBuffers()) |
| 152 | return true; |
| 153 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 154 | // Set the matrix so that rendered clip elements are transformed to mask space from clip |
| 155 | // space. |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 156 | SkMatrix translate; |
| 157 | translate.setTranslate(SkIntToScalar(-reducedClip.left()), SkIntToScalar(-reducedClip.top())); |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 158 | |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 159 | for (ElementList::Iter iter(reducedClip.elements()); iter.get(); iter.next()) { |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 160 | const Element* element = iter.get(); |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 161 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 162 | SkClipOp op = element->getOp(); |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 163 | bool invert = element->isInverseFilled(); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 164 | bool needsStencil = invert || |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 165 | kIntersect_SkClipOp == op || kReverseDifference_SkClipOp == op; |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 166 | |
robertphillips | 59cf61a | 2016-07-13 09:18:21 -0700 | [diff] [blame] | 167 | if (PathNeedsSWRenderer(context, hasUserStencilSettings, |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 168 | renderTargetContext, translate, element, nullptr, needsStencil)) { |
robertphillips | 3f7357f | 2015-10-27 07:17:33 -0700 | [diff] [blame] | 169 | return true; |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 170 | } |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 171 | } |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 172 | return false; |
robertphillips@google.com | a72eef3 | 2012-05-01 17:22:59 +0000 | [diff] [blame] | 173 | } |
| 174 | |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 175 | static bool get_analytic_clip_processor(const ElementList& elements, |
robertphillips | 976f5f0 | 2016-06-03 10:59:20 -0700 | [diff] [blame] | 176 | bool abortIfAA, |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 177 | const SkRect& drawDevBounds, |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 178 | sk_sp<GrFragmentProcessor>* resultFP) { |
bsalomon | 0ba8c24 | 2015-10-07 09:20:28 -0700 | [diff] [blame] | 179 | SkASSERT(elements.count() <= kMaxAnalyticElements); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 180 | SkSTArray<kMaxAnalyticElements, sk_sp<GrFragmentProcessor>> fps; |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 181 | ElementList::Iter iter(elements); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 182 | while (iter.get()) { |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 183 | SkClipOp op = iter.get()->getOp(); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 184 | bool invert; |
| 185 | bool skip = false; |
| 186 | switch (op) { |
Mike Reed | ebfce6d | 2016-12-12 10:02:12 -0500 | [diff] [blame] | 187 | case kReplace_SkClipOp: |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 188 | SkASSERT(iter.get() == elements.head()); |
| 189 | // Fallthrough, handled same as intersect. |
Mike Reed | ebfce6d | 2016-12-12 10:02:12 -0500 | [diff] [blame] | 190 | case kIntersect_SkClipOp: |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 191 | invert = false; |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 192 | if (iter.get()->contains(drawDevBounds)) { |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 193 | skip = true; |
| 194 | } |
| 195 | break; |
Mike Reed | ebfce6d | 2016-12-12 10:02:12 -0500 | [diff] [blame] | 196 | case kDifference_SkClipOp: |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 197 | invert = true; |
| 198 | // We don't currently have a cheap test for whether a rect is fully outside an |
| 199 | // element's primitive, so don't attempt to set skip. |
| 200 | break; |
| 201 | default: |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 202 | return false; |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 203 | } |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 204 | if (!skip) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 205 | GrPrimitiveEdgeType edgeType; |
robertphillips | e85a32d | 2015-02-10 08:16:55 -0800 | [diff] [blame] | 206 | if (iter.get()->isAA()) { |
bsalomon | a912dde | 2015-10-14 15:01:50 -0700 | [diff] [blame] | 207 | if (abortIfAA) { |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 208 | return false; |
bsalomon | a912dde | 2015-10-14 15:01:50 -0700 | [diff] [blame] | 209 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 210 | edgeType = |
bsalomon | 0ba8c24 | 2015-10-07 09:20:28 -0700 | [diff] [blame] | 211 | invert ? kInverseFillAA_GrProcessorEdgeType : kFillAA_GrProcessorEdgeType; |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 212 | } else { |
bsalomon | 0ba8c24 | 2015-10-07 09:20:28 -0700 | [diff] [blame] | 213 | edgeType = |
| 214 | invert ? kInverseFillBW_GrProcessorEdgeType : kFillBW_GrProcessorEdgeType; |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 215 | } |
bsalomon | a912dde | 2015-10-14 15:01:50 -0700 | [diff] [blame] | 216 | |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 217 | switch (iter.get()->getType()) { |
| 218 | case SkClipStack::Element::kPath_Type: |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 219 | fps.emplace_back(GrConvexPolyEffect::Make(edgeType, iter.get()->getPath())); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 220 | break; |
| 221 | case SkClipStack::Element::kRRect_Type: { |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 222 | fps.emplace_back(GrRRectEffect::Make(edgeType, iter.get()->getRRect())); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 223 | break; |
| 224 | } |
| 225 | case SkClipStack::Element::kRect_Type: { |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 226 | fps.emplace_back(GrConvexPolyEffect::Make(edgeType, iter.get()->getRect())); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 227 | break; |
| 228 | } |
| 229 | default: |
| 230 | break; |
| 231 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 232 | if (!fps.back()) { |
| 233 | return false; |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 234 | } |
| 235 | } |
mtklein | 217daa7 | 2014-07-02 12:55:21 -0700 | [diff] [blame] | 236 | iter.next(); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 237 | } |
| 238 | |
bsalomon | 0b5b6b2 | 2015-10-14 08:31:34 -0700 | [diff] [blame] | 239 | *resultFP = nullptr; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 240 | if (fps.count()) { |
| 241 | *resultFP = GrFragmentProcessor::RunInSeries(fps.begin(), fps.count()); |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 242 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 243 | return true; |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 244 | } |
| 245 | |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 246 | //////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 247 | // sort out what kind of clip mask needs to be created: alpha, stencil, |
| 248 | // scissor, or entirely software |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 249 | bool GrClipStackClip::apply(GrContext* context, GrRenderTargetContext* renderTargetContext, |
Brian Salomon | 97180af | 2017-03-14 13:42:58 -0400 | [diff] [blame] | 250 | bool useHWAA, bool hasUserStencilSettings, GrAppliedClip* out, |
| 251 | SkRect* bounds) const { |
Brian Salomon | 97180af | 2017-03-14 13:42:58 -0400 | [diff] [blame] | 252 | SkRect devBounds = SkRect::MakeIWH(renderTargetContext->width(), renderTargetContext->height()); |
| 253 | if (!devBounds.intersect(*bounds)) { |
csmartdalton | cbecb08 | 2016-07-22 08:59:08 -0700 | [diff] [blame] | 254 | return false; |
| 255 | } |
| 256 | |
Brian Salomon | 510dd42 | 2017-03-16 12:15:22 -0400 | [diff] [blame] | 257 | if (!fStack || fStack->isWideOpen()) { |
| 258 | return true; |
| 259 | } |
| 260 | |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 261 | const GrReducedClip reducedClip(*fStack, devBounds, |
Robert Phillips | ec2249f | 2016-11-09 08:54:35 -0500 | [diff] [blame] | 262 | renderTargetContext->priv().maxWindowRectangles()); |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 263 | |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 264 | if (reducedClip.hasIBounds() && !GrClip::IsInsideClip(reducedClip.ibounds(), devBounds)) { |
Brian Salomon | 97180af | 2017-03-14 13:42:58 -0400 | [diff] [blame] | 265 | out->addScissor(reducedClip.ibounds(), bounds); |
cdalton | 846c051 | 2016-05-13 10:25:00 -0700 | [diff] [blame] | 266 | } |
cdalton | 93a379b | 2016-05-11 13:58:08 -0700 | [diff] [blame] | 267 | |
csmartdalton | bf4a8f9 | 2016-09-06 10:01:06 -0700 | [diff] [blame] | 268 | if (!reducedClip.windowRectangles().empty()) { |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 269 | out->addWindowRectangles(reducedClip.windowRectangles(), |
csmartdalton | bf4a8f9 | 2016-09-06 10:01:06 -0700 | [diff] [blame] | 270 | GrWindowRectsState::Mode::kExclusive); |
| 271 | } |
| 272 | |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 273 | if (reducedClip.elements().isEmpty()) { |
| 274 | return InitialState::kAllIn == reducedClip.initialState(); |
| 275 | } |
| 276 | |
csmartdalton | 3affdc1 | 2016-10-28 12:01:10 -0700 | [diff] [blame] | 277 | #ifdef SK_DEBUG |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 278 | SkASSERT(reducedClip.hasIBounds()); |
Robert Phillips | 784b7bf | 2016-12-09 13:35:02 -0500 | [diff] [blame] | 279 | SkIRect rtIBounds = SkIRect::MakeWH(renderTargetContext->width(), |
| 280 | renderTargetContext->height()); |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 281 | const SkIRect& clipIBounds = reducedClip.ibounds(); |
csmartdalton | 3affdc1 | 2016-10-28 12:01:10 -0700 | [diff] [blame] | 282 | SkASSERT(rtIBounds.contains(clipIBounds)); // Mask shouldn't be larger than the RT. |
| 283 | #endif |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 284 | |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 285 | bool avoidStencilBuffers = context->caps()->avoidStencilBuffers(); |
| 286 | |
commit-bot@chromium.org | e5a041c | 2014-03-07 19:43:43 +0000 | [diff] [blame] | 287 | // An element count of 4 was chosen because of the common pattern in Blink of: |
| 288 | // isect RR |
| 289 | // diff RR |
| 290 | // isect convex_poly |
| 291 | // isect convex_poly |
| 292 | // when drawing rounded div borders. This could probably be tuned based on a |
| 293 | // configuration's relative costs of switching RTs to generate a mask vs |
| 294 | // longer shaders. |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 295 | if (reducedClip.elements().count() <= kMaxAnalyticElements) { |
cdalton | ede7574 | 2015-11-11 15:27:57 -0800 | [diff] [blame] | 296 | // When there are multiple samples we want to do per-sample clipping, not compute a |
| 297 | // fractional pixel coverage. |
Brian Salomon | 7c8460e | 2017-05-12 11:36:10 -0400 | [diff] [blame] | 298 | bool disallowAnalyticAA = |
| 299 | GrFSAAType::kNone != renderTargetContext->fsaaType() && !avoidStencilBuffers; |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 300 | if (disallowAnalyticAA && !renderTargetContext->numColorSamples()) { |
cdalton | 3ccf2e7 | 2016-05-06 09:41:16 -0700 | [diff] [blame] | 301 | // With a single color sample, any coverage info is lost from color once it hits the |
| 302 | // color buffer anyway, so we may as well use coverage AA if nothing else in the pipe |
| 303 | // is multisampled. |
robertphillips | 59cf61a | 2016-07-13 09:18:21 -0700 | [diff] [blame] | 304 | disallowAnalyticAA = useHWAA || hasUserStencilSettings; |
cdalton | 3ccf2e7 | 2016-05-06 09:41:16 -0700 | [diff] [blame] | 305 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 306 | sk_sp<GrFragmentProcessor> clipFP; |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 307 | if ((reducedClip.requiresAA() || avoidStencilBuffers) && |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 308 | get_analytic_clip_processor(reducedClip.elements(), disallowAnalyticAA, devBounds, |
| 309 | &clipFP)) { |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 310 | out->addCoverageFP(std::move(clipFP)); |
commit-bot@chromium.org | 65ee5f4 | 2014-02-04 17:49:48 +0000 | [diff] [blame] | 311 | return true; |
| 312 | } |
| 313 | } |
bsalomon@google.com | d3066bd | 2014-02-03 20:09:56 +0000 | [diff] [blame] | 314 | |
cdalton | ede7574 | 2015-11-11 15:27:57 -0800 | [diff] [blame] | 315 | // If the stencil buffer is multisampled we can use it to do everything. |
Brian Salomon | 7c8460e | 2017-05-12 11:36:10 -0400 | [diff] [blame] | 316 | if ((GrFSAAType::kNone == renderTargetContext->fsaaType() && reducedClip.requiresAA()) || |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 317 | avoidStencilBuffers) { |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 318 | sk_sp<GrTextureProxy> result; |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 319 | if (UseSWOnlyPath(context, hasUserStencilSettings, renderTargetContext, reducedClip)) { |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 320 | // The clip geometry is complex enough that it will be more efficient to create it |
| 321 | // entirely in software |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 322 | result = this->createSoftwareClipMask(context, reducedClip); |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 323 | } else { |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 324 | result = this->createAlphaClipMask(context, reducedClip); |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 325 | } |
| 326 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 327 | if (result) { |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 328 | // The mask's top left coord should be pinned to the rounded-out top left corner of |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 329 | // the clip's device space bounds. |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 330 | out->addCoverageFP(create_fp_for_mask(context->resourceProvider(), std::move(result), |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 331 | reducedClip.ibounds())); |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 332 | return true; |
| 333 | } |
Eric Karl | 5c77975 | 2017-05-08 12:02:07 -0700 | [diff] [blame] | 334 | |
| 335 | // If alpha or software clip mask creation fails, fall through to the stencil code paths, |
| 336 | // unless stencils are disallowed. |
| 337 | if (context->caps()->avoidStencilBuffers()) { |
| 338 | SkDebugf("WARNING: Clip mask requires stencil, but stencil unavailable. Clip will be ignored.\n"); |
| 339 | return false; |
| 340 | } |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 341 | } |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 342 | |
Robert Phillips | ec2249f | 2016-11-09 08:54:35 -0500 | [diff] [blame] | 343 | GrRenderTarget* rt = renderTargetContext->accessRenderTarget(); |
Robert Phillips | e60ad62 | 2016-11-17 10:22:48 -0500 | [diff] [blame] | 344 | if (!rt) { |
| 345 | return true; |
| 346 | } |
Robert Phillips | ec2249f | 2016-11-09 08:54:35 -0500 | [diff] [blame] | 347 | |
robertphillips@google.com | 1e945b7 | 2012-04-16 18:03:03 +0000 | [diff] [blame] | 348 | // use the stencil clip if we can't represent the clip as a rectangle. |
csmartdalton | 7cdda99 | 2016-11-01 07:03:03 -0700 | [diff] [blame] | 349 | if (!context->resourceProvider()->attachStencilAttachment(rt)) { |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 350 | SkDebugf("WARNING: failed to attach stencil buffer for clip mask. Clip will be ignored.\n"); |
| 351 | return true; |
| 352 | } |
| 353 | |
csmartdalton | bf4a8f9 | 2016-09-06 10:01:06 -0700 | [diff] [blame] | 354 | // This relies on the property that a reduced sub-rect of the last clip will contain all the |
| 355 | // relevant window rectangles that were in the last clip. This subtle requirement will go away |
| 356 | // after clipping is overhauled. |
csmartdalton | 7cdda99 | 2016-11-01 07:03:03 -0700 | [diff] [blame] | 357 | if (renderTargetContext->priv().mustRenderClip(reducedClip.elementsGenID(), |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 358 | reducedClip.ibounds())) { |
| 359 | reducedClip.drawStencilClipMask(context, renderTargetContext); |
| 360 | renderTargetContext->priv().setLastClip(reducedClip.elementsGenID(), reducedClip.ibounds()); |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 361 | } |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 362 | out->addStencilClip(); |
robertphillips@google.com | 1e945b7 | 2012-04-16 18:03:03 +0000 | [diff] [blame] | 363 | return true; |
| 364 | } |
| 365 | |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 366 | //////////////////////////////////////////////////////////////////////////////// |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 367 | // Create a 8-bit clip mask in alpha |
| 368 | |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 369 | static void create_clip_mask_key(int32_t clipGenID, const SkIRect& bounds, GrUniqueKey* key) { |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 370 | static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain(); |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 371 | GrUniqueKey::Builder builder(key, kDomain, 3, GrClipStackClip::kMaskTestTag); |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 372 | builder[0] = clipGenID; |
csmartdalton | 3affdc1 | 2016-10-28 12:01:10 -0700 | [diff] [blame] | 373 | // SkToS16 because image filters outset layers to a size indicated by the filter, which can |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 374 | // sometimes result in negative coordinates from device space. |
csmartdalton | 3affdc1 | 2016-10-28 12:01:10 -0700 | [diff] [blame] | 375 | builder[1] = SkToS16(bounds.fLeft) | (SkToS16(bounds.fRight) << 16); |
| 376 | builder[2] = SkToS16(bounds.fTop) | (SkToS16(bounds.fBottom) << 16); |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 377 | } |
| 378 | |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 379 | static void add_invalidate_on_pop_message(const SkClipStack& stack, int32_t clipGenID, |
| 380 | const GrUniqueKey& clipMaskKey) { |
| 381 | SkClipStack::Iter iter(stack, SkClipStack::Iter::kTop_IterStart); |
| 382 | while (const Element* element = iter.prev()) { |
| 383 | if (element->getGenID() == clipGenID) { |
| 384 | std::unique_ptr<GrUniqueKeyInvalidatedMessage> msg( |
| 385 | new GrUniqueKeyInvalidatedMessage(clipMaskKey)); |
| 386 | element->addResourceInvalidationMessage(std::move(msg)); |
| 387 | return; |
| 388 | } |
| 389 | } |
| 390 | SkDEBUGFAIL("Gen ID was not found in stack."); |
| 391 | } |
| 392 | |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 393 | sk_sp<GrTextureProxy> GrClipStackClip::createAlphaClipMask(GrContext* context, |
| 394 | const GrReducedClip& reducedClip) const { |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 395 | GrResourceProvider* resourceProvider = context->resourceProvider(); |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 396 | GrUniqueKey key; |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 397 | create_clip_mask_key(reducedClip.elementsGenID(), reducedClip.ibounds(), &key); |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 398 | |
Robert Phillips | d374948 | 2017-03-14 09:17:43 -0400 | [diff] [blame] | 399 | sk_sp<GrTextureProxy> proxy(resourceProvider->findProxyByUniqueKey(key)); |
| 400 | if (proxy) { |
| 401 | return proxy; |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 402 | } |
| 403 | |
Robert Phillips | dd3b3f4 | 2017-04-24 10:57:28 -0400 | [diff] [blame] | 404 | sk_sp<GrRenderTargetContext> rtc(context->makeDeferredRenderTargetContextWithFallback( |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 405 | SkBackingFit::kApprox, |
| 406 | reducedClip.width(), |
| 407 | reducedClip.height(), |
| 408 | kAlpha_8_GrPixelConfig, |
| 409 | nullptr)); |
| 410 | if (!rtc) { |
robertphillips | 391395d | 2016-03-02 09:26:36 -0800 | [diff] [blame] | 411 | return nullptr; |
| 412 | } |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 413 | |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 414 | if (!reducedClip.drawAlphaClipMask(rtc.get())) { |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 415 | return nullptr; |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 418 | sk_sp<GrTextureProxy> result(rtc->asTextureProxyRef()); |
| 419 | if (!result) { |
Robert Phillips | e60ad62 | 2016-11-17 10:22:48 -0500 | [diff] [blame] | 420 | return nullptr; |
| 421 | } |
| 422 | |
Robert Phillips | d374948 | 2017-03-14 09:17:43 -0400 | [diff] [blame] | 423 | resourceProvider->assignUniqueKeyToProxy(key, result.get()); |
| 424 | // MDB TODO (caching): this has to play nice with the GrSurfaceProxy's caching |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 425 | add_invalidate_on_pop_message(*fStack, reducedClip.elementsGenID(), key); |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 426 | |
| 427 | return result; |
robertphillips@google.com | f294b77 | 2012-04-27 14:29:26 +0000 | [diff] [blame] | 428 | } |
| 429 | |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 430 | sk_sp<GrTextureProxy> GrClipStackClip::createSoftwareClipMask( |
| 431 | GrContext* context, |
| 432 | const GrReducedClip& reducedClip) const { |
bsalomon | 473addf | 2015-10-02 07:49:05 -0700 | [diff] [blame] | 433 | GrUniqueKey key; |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 434 | create_clip_mask_key(reducedClip.elementsGenID(), reducedClip.ibounds(), &key); |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 435 | |
Robert Phillips | d374948 | 2017-03-14 09:17:43 -0400 | [diff] [blame] | 436 | sk_sp<GrTextureProxy> proxy(context->resourceProvider()->findProxyByUniqueKey(key)); |
| 437 | if (proxy) { |
| 438 | return proxy; |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 439 | } |
| 440 | |
Brian Salomon | 9a76772 | 2017-03-13 17:57:28 -0400 | [diff] [blame] | 441 | // The mask texture may be larger than necessary. We round out the clip bounds and pin the top |
| 442 | // left corner of the resulting rect to the top left of the texture. |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 443 | SkIRect maskSpaceIBounds = SkIRect::MakeWH(reducedClip.width(), reducedClip.height()); |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 444 | |
Robert Phillips | e305cc1f | 2016-12-14 12:19:05 -0500 | [diff] [blame] | 445 | GrSWMaskHelper helper; |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 446 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 447 | // Set the matrix so that rendered clip elements are transformed to mask space from clip |
| 448 | // space. |
| 449 | SkMatrix translate; |
csmartdalton | bde96c6 | 2016-08-31 12:54:46 -0700 | [diff] [blame] | 450 | translate.setTranslate(SkIntToScalar(-reducedClip.left()), SkIntToScalar(-reducedClip.top())); |
joshualitt | 9853cce | 2014-11-17 14:22:48 -0800 | [diff] [blame] | 451 | |
csmartdalton | 3affdc1 | 2016-10-28 12:01:10 -0700 | [diff] [blame] | 452 | if (!helper.init(maskSpaceIBounds, &translate)) { |
| 453 | return nullptr; |
| 454 | } |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 455 | helper.clear(InitialState::kAllIn == reducedClip.initialState() ? 0xFF : 0x00); |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 456 | |
csmartdalton | 77f2fae | 2016-08-08 09:55:06 -0700 | [diff] [blame] | 457 | for (ElementList::Iter iter(reducedClip.elements()); iter.get(); iter.next()) { |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 458 | const Element* element = iter.get(); |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 459 | SkClipOp op = element->getOp(); |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 460 | GrAA aa = GrBoolToAA(element->isAA()); |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 461 | |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 462 | if (kIntersect_SkClipOp == op || kReverseDifference_SkClipOp == op) { |
bsalomon@google.com | 4c2443e | 2012-12-06 20:58:57 +0000 | [diff] [blame] | 463 | // Intersect and reverse difference require modifying pixels outside of the geometry |
| 464 | // that is being "drawn". In both cases we erase all the pixels outside of the geometry |
| 465 | // but leave the pixels inside the geometry alone. For reverse difference we invert all |
| 466 | // the pixels before clearing the ones outside the geometry. |
Mike Reed | c1f7774 | 2016-12-09 09:00:50 -0500 | [diff] [blame] | 467 | if (kReverseDifference_SkClipOp == op) { |
csmartdalton | d211e78 | 2016-08-15 11:17:19 -0700 | [diff] [blame] | 468 | SkRect temp = SkRect::Make(reducedClip.ibounds()); |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 469 | // invert the entire scene |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 470 | helper.drawRect(temp, SkRegion::kXOR_Op, GrAA::kNo, 0xFF); |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 471 | } |
commit-bot@chromium.org | 5c05639 | 2014-02-17 19:50:02 +0000 | [diff] [blame] | 472 | SkPath clipPath; |
| 473 | element->asPath(&clipPath); |
| 474 | clipPath.toggleInverseFillType(); |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 475 | GrShape shape(clipPath, GrStyle::SimpleFill()); |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 476 | helper.drawShape(shape, SkRegion::kReplace_Op, aa, 0x00); |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 477 | continue; |
| 478 | } |
| 479 | |
| 480 | // The other ops (union, xor, diff) only affect pixels inside |
| 481 | // the geometry so they can just be drawn normally |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 482 | if (Element::kRect_Type == element->getType()) { |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 483 | helper.drawRect(element->getRect(), (SkRegion::Op)op, aa, 0xFF); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 484 | } else { |
commit-bot@chromium.org | 5c05639 | 2014-02-17 19:50:02 +0000 | [diff] [blame] | 485 | SkPath path; |
| 486 | element->asPath(&path); |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 487 | GrShape shape(path, GrStyle::SimpleFill()); |
Brian Salomon | 0e8fc8b | 2016-12-09 15:10:07 -0500 | [diff] [blame] | 488 | helper.drawShape(shape, (SkRegion::Op)op, aa, 0xFF); |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 489 | } |
| 490 | } |
| 491 | |
Robert Phillips | d374948 | 2017-03-14 09:17:43 -0400 | [diff] [blame] | 492 | sk_sp<GrTextureProxy> result(helper.toTextureProxy(context, SkBackingFit::kApprox)); |
robertphillips | 391395d | 2016-03-02 09:26:36 -0800 | [diff] [blame] | 493 | |
Robert Phillips | d374948 | 2017-03-14 09:17:43 -0400 | [diff] [blame] | 494 | context->resourceProvider()->assignUniqueKeyToProxy(key, result.get()); |
| 495 | // MDB TODO (caching): this has to play nice with the GrSurfaceProxy's caching |
Brian Salomon | 19f0ed5 | 2017-01-06 13:54:58 -0500 | [diff] [blame] | 496 | add_invalidate_on_pop_message(*fStack, reducedClip.elementsGenID(), key); |
Robert Phillips | 875218e | 2017-02-24 08:37:13 -0500 | [diff] [blame] | 497 | return result; |
robertphillips@google.com | 6b70a7b | 2012-05-11 15:32:48 +0000 | [diff] [blame] | 498 | } |