Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "RenderNodeDrawable.h" |
| 18 | #include "RenderNode.h" |
| 19 | #include "SkiaDisplayList.h" |
Stan Iliev | 500a0c3 | 2016-10-26 10:30:09 -0400 | [diff] [blame] | 20 | #include "SkiaPipeline.h" |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 21 | #include "utils/TraceUtils.h" |
| 22 | |
| 23 | namespace android { |
| 24 | namespace uirenderer { |
| 25 | namespace skiapipeline { |
| 26 | |
Stan Iliev | db45a4b | 2016-11-08 14:18:31 -0500 | [diff] [blame] | 27 | void RenderNodeDrawable::drawBackwardsProjectedNodes(SkCanvas* canvas, const SkiaDisplayList& displayList, |
| 28 | int nestLevel) { |
| 29 | LOG_ALWAYS_FATAL_IF(0 == nestLevel && !displayList.mProjectionReceiver); |
| 30 | for (auto& child : displayList.mChildNodes) { |
| 31 | const RenderProperties& childProperties = child.getNodeProperties(); |
| 32 | |
| 33 | //immediate children cannot be projected on their parent |
| 34 | if (childProperties.getProjectBackwards() && nestLevel > 0) { |
| 35 | SkAutoCanvasRestore acr2(canvas, true); |
| 36 | //Apply recorded matrix, which is a total matrix saved at recording time to avoid |
| 37 | //replaying all DL commands. |
| 38 | canvas->concat(child.getRecordedMatrix()); |
| 39 | child.drawContent(canvas); |
| 40 | } |
| 41 | |
| 42 | //skip walking sub-nodes if current display list contains a receiver with exception of |
| 43 | //level 0, which is a known receiver |
| 44 | if (0 == nestLevel || !displayList.containsProjectionReceiver()) { |
| 45 | SkAutoCanvasRestore acr(canvas, true); |
| 46 | SkMatrix nodeMatrix; |
| 47 | mat4 hwuiMatrix(child.getRecordedMatrix()); |
| 48 | auto childNode = child.getRenderNode(); |
| 49 | childNode->applyViewPropertyTransforms(hwuiMatrix); |
| 50 | hwuiMatrix.copyTo(nodeMatrix); |
| 51 | canvas->concat(nodeMatrix); |
| 52 | SkiaDisplayList* childDisplayList = static_cast<SkiaDisplayList*>( |
| 53 | (const_cast<DisplayList*>(childNode->getDisplayList()))); |
| 54 | if (childDisplayList) { |
| 55 | drawBackwardsProjectedNodes(canvas, *childDisplayList, nestLevel+1); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 61 | static void clipOutline(const Outline& outline, SkCanvas* canvas, const SkRect* pendingClip) { |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 62 | Rect possibleRect; |
| 63 | float radius; |
Derek Sollenberger | f209c06 | 2017-05-26 12:11:34 -0400 | [diff] [blame^] | 64 | |
| 65 | /* To match the existing HWUI behavior we only supports rectangles or |
| 66 | * rounded rectangles; passing in a more complicated outline fails silently. |
| 67 | */ |
| 68 | if (!outline.getAsRoundRect(&possibleRect, &radius)) { |
| 69 | if (pendingClip) { |
| 70 | canvas->clipRect(*pendingClip); |
| 71 | } |
| 72 | return; |
| 73 | } |
| 74 | |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 75 | SkRect rect = possibleRect.toSkRect(); |
| 76 | if (radius != 0.0f) { |
| 77 | if (pendingClip && !pendingClip->contains(rect)) { |
| 78 | canvas->clipRect(*pendingClip); |
| 79 | } |
Mike Reed | 6c67f1d | 2016-12-14 10:29:54 -0500 | [diff] [blame] | 80 | canvas->clipRRect(SkRRect::MakeRectXY(rect, radius, radius), SkClipOp::kIntersect, true); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 81 | } else { |
| 82 | if (pendingClip) { |
| 83 | (void)rect.intersect(*pendingClip); |
| 84 | } |
| 85 | canvas->clipRect(rect); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | const RenderProperties& RenderNodeDrawable::getNodeProperties() const { |
| 90 | return mRenderNode->properties(); |
| 91 | } |
| 92 | |
| 93 | void RenderNodeDrawable::onDraw(SkCanvas* canvas) { |
Stan Iliev | 2f06e8a | 2016-11-02 15:29:03 -0400 | [diff] [blame] | 94 | //negative and positive Z order are drawn out of order, if this render node drawable is in |
| 95 | //a reordering section |
| 96 | if ((!mInReorderingSection) || MathUtils::isZero(mRenderNode->properties().getZ())) { |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 97 | this->forceDraw(canvas); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | void RenderNodeDrawable::forceDraw(SkCanvas* canvas) { |
| 102 | RenderNode* renderNode = mRenderNode.get(); |
Stan Iliev | 500a0c3 | 2016-10-26 10:30:09 -0400 | [diff] [blame] | 103 | if (SkiaPipeline::skpCaptureEnabled()) { |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 104 | SkRect dimensions = SkRect::MakeWH(renderNode->getWidth(), renderNode->getHeight()); |
| 105 | canvas->drawAnnotation(dimensions, renderNode->getName(), nullptr); |
| 106 | } |
| 107 | |
| 108 | // We only respect the nothingToDraw check when we are composing a layer. This |
| 109 | // ensures that we paint the layer even if it is not currently visible in the |
| 110 | // event that the properties change and it becomes visible. |
| 111 | if (!renderNode->isRenderable() || (renderNode->nothingToDraw() && mComposeLayer)) { |
| 112 | return; |
| 113 | } |
| 114 | |
| 115 | SkASSERT(renderNode->getDisplayList()->isSkiaDL()); |
| 116 | SkiaDisplayList* displayList = (SkiaDisplayList*)renderNode->getDisplayList(); |
| 117 | |
| 118 | SkAutoCanvasRestore acr(canvas, true); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 119 | const RenderProperties& properties = this->getNodeProperties(); |
Stan Iliev | db45a4b | 2016-11-08 14:18:31 -0500 | [diff] [blame] | 120 | //pass this outline to the children that may clip backward projected nodes |
| 121 | displayList->mProjectedOutline = displayList->containsProjectionReceiver() |
| 122 | ? &properties.getOutline() : nullptr; |
| 123 | if (!properties.getProjectBackwards()) { |
| 124 | drawContent(canvas); |
| 125 | if (mProjectedDisplayList) { |
| 126 | acr.restore(); //draw projected children using parent matrix |
| 127 | LOG_ALWAYS_FATAL_IF(!mProjectedDisplayList->mProjectedOutline); |
| 128 | const bool shouldClip = mProjectedDisplayList->mProjectedOutline->getPath(); |
| 129 | SkAutoCanvasRestore acr2(canvas, shouldClip); |
| 130 | canvas->setMatrix(mProjectedDisplayList->mProjectedReceiverParentMatrix); |
| 131 | if (shouldClip) { |
| 132 | clipOutline(*mProjectedDisplayList->mProjectedOutline, canvas, nullptr); |
| 133 | } |
| 134 | drawBackwardsProjectedNodes(canvas, *mProjectedDisplayList); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 135 | } |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 136 | } |
Stan Iliev | db45a4b | 2016-11-08 14:18:31 -0500 | [diff] [blame] | 137 | displayList->mProjectedOutline = nullptr; |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | static bool layerNeedsPaint(const LayerProperties& properties, |
| 141 | float alphaMultiplier, SkPaint* paint) { |
| 142 | if (alphaMultiplier < 1.0f |
| 143 | || properties.alpha() < 255 |
| 144 | || properties.xferMode() != SkBlendMode::kSrcOver |
| 145 | || properties.colorFilter() != nullptr) { |
| 146 | paint->setAlpha(properties.alpha() * alphaMultiplier); |
| 147 | paint->setBlendMode(properties.xferMode()); |
Derek Sollenberger | f87da67 | 2016-11-02 11:34:27 -0400 | [diff] [blame] | 148 | paint->setColorFilter(sk_ref_sp(properties.colorFilter())); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 149 | return true; |
| 150 | } |
| 151 | return false; |
| 152 | } |
| 153 | |
| 154 | void RenderNodeDrawable::drawContent(SkCanvas* canvas) const { |
| 155 | RenderNode* renderNode = mRenderNode.get(); |
| 156 | float alphaMultiplier = 1.0f; |
| 157 | const RenderProperties& properties = renderNode->properties(); |
| 158 | |
| 159 | // If we are drawing the contents of layer, we don't want to apply any of |
| 160 | // the RenderNode's properties during this pass. Those will all be applied |
| 161 | // when the layer is composited. |
| 162 | if (mComposeLayer) { |
| 163 | setViewProperties(properties, canvas, &alphaMultiplier); |
| 164 | } |
Stan Iliev | db45a4b | 2016-11-08 14:18:31 -0500 | [diff] [blame] | 165 | SkiaDisplayList* displayList = (SkiaDisplayList*)mRenderNode->getDisplayList(); |
| 166 | if (displayList->containsProjectionReceiver()) { |
| 167 | displayList->mProjectedReceiverParentMatrix = canvas->getTotalMatrix(); |
| 168 | } |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 169 | |
| 170 | //TODO should we let the bound of the drawable do this for us? |
| 171 | const SkRect bounds = SkRect::MakeWH(properties.getWidth(), properties.getHeight()); |
| 172 | bool quickRejected = properties.getClipToBounds() && canvas->quickReject(bounds); |
| 173 | if (!quickRejected) { |
| 174 | SkiaDisplayList* displayList = (SkiaDisplayList*)renderNode->getDisplayList(); |
| 175 | const LayerProperties& layerProperties = properties.layerProperties(); |
| 176 | // composing a hardware layer |
| 177 | if (renderNode->getLayerSurface() && mComposeLayer) { |
| 178 | SkASSERT(properties.effectiveLayerType() == LayerType::RenderLayer); |
| 179 | SkPaint* paint = nullptr; |
| 180 | SkPaint tmpPaint; |
| 181 | if (layerNeedsPaint(layerProperties, alphaMultiplier, &tmpPaint)) { |
| 182 | paint = &tmpPaint; |
| 183 | } |
| 184 | renderNode->getLayerSurface()->draw(canvas, 0, 0, paint); |
Matt Sarett | 79756be | 2016-11-09 16:13:54 -0500 | [diff] [blame] | 185 | |
Matt Sarett | f58cc92 | 2016-11-14 18:33:38 -0500 | [diff] [blame] | 186 | if (!renderNode->getSkiaLayer()->hasRenderedSinceRepaint) { |
Matt Sarett | 79756be | 2016-11-09 16:13:54 -0500 | [diff] [blame] | 187 | renderNode->getSkiaLayer()->hasRenderedSinceRepaint = true; |
Matt Sarett | f58cc92 | 2016-11-14 18:33:38 -0500 | [diff] [blame] | 188 | if (CC_UNLIKELY(Properties::debugLayersUpdates)) { |
| 189 | SkPaint layerPaint; |
| 190 | layerPaint.setColor(0x7f00ff00); |
| 191 | canvas->drawRect(bounds, layerPaint); |
| 192 | } else if (CC_UNLIKELY(Properties::debugOverdraw)) { |
| 193 | // Render transparent rect to increment overdraw for repaint area. |
| 194 | // This can be "else if" because flashing green on layer updates |
| 195 | // will also increment the overdraw if it happens to be turned on. |
| 196 | SkPaint transparentPaint; |
| 197 | transparentPaint.setColor(SK_ColorTRANSPARENT); |
| 198 | canvas->drawRect(bounds, transparentPaint); |
| 199 | } |
Matt Sarett | 79756be | 2016-11-09 16:13:54 -0500 | [diff] [blame] | 200 | } |
Matt Sarett | f58cc92 | 2016-11-14 18:33:38 -0500 | [diff] [blame] | 201 | |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 202 | // composing a software layer with alpha |
| 203 | } else if (properties.effectiveLayerType() == LayerType::Software) { |
| 204 | SkPaint paint; |
| 205 | bool needsLayer = layerNeedsPaint(layerProperties, alphaMultiplier, &paint); |
| 206 | if (needsLayer) { |
| 207 | canvas->saveLayer(bounds, &paint); |
| 208 | } |
Derek Sollenberger | ea1fe9b | 2017-03-01 13:02:43 -0500 | [diff] [blame] | 209 | displayList->draw(canvas); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 210 | if (needsLayer) { |
| 211 | canvas->restore(); |
| 212 | } |
| 213 | } else { |
Derek Sollenberger | ea1fe9b | 2017-03-01 13:02:43 -0500 | [diff] [blame] | 214 | displayList->draw(canvas); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | void RenderNodeDrawable::setViewProperties(const RenderProperties& properties, SkCanvas* canvas, |
| 220 | float* alphaMultiplier) { |
| 221 | if (properties.getLeft() != 0 || properties.getTop() != 0) { |
| 222 | canvas->translate(properties.getLeft(), properties.getTop()); |
| 223 | } |
| 224 | if (properties.getStaticMatrix()) { |
| 225 | canvas->concat(*properties.getStaticMatrix()); |
| 226 | } else if (properties.getAnimationMatrix()) { |
| 227 | canvas->concat(*properties.getAnimationMatrix()); |
| 228 | } |
| 229 | if (properties.hasTransformMatrix()) { |
| 230 | if (properties.isTransformTranslateOnly()) { |
| 231 | canvas->translate(properties.getTranslationX(), properties.getTranslationY()); |
| 232 | } else { |
| 233 | canvas->concat(*properties.getTransformMatrix()); |
| 234 | } |
| 235 | } |
| 236 | const bool isLayer = properties.effectiveLayerType() != LayerType::None; |
| 237 | int clipFlags = properties.getClippingFlags(); |
| 238 | if (properties.getAlpha() < 1) { |
| 239 | if (isLayer) { |
| 240 | clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer |
| 241 | } |
| 242 | if (CC_LIKELY(isLayer || !properties.getHasOverlappingRendering())) { |
| 243 | *alphaMultiplier = properties.getAlpha(); |
| 244 | } else { |
| 245 | // savelayer needed to create an offscreen buffer |
| 246 | Rect layerBounds(0, 0, properties.getWidth(), properties.getHeight()); |
| 247 | if (clipFlags) { |
| 248 | properties.getClippingRectForFlags(clipFlags, &layerBounds); |
| 249 | clipFlags = 0; // all clipping done by savelayer |
| 250 | } |
| 251 | SkRect bounds = SkRect::MakeLTRB(layerBounds.left, layerBounds.top, |
| 252 | layerBounds.right, layerBounds.bottom); |
| 253 | canvas->saveLayerAlpha(&bounds, (int) (properties.getAlpha() * 255)); |
| 254 | } |
| 255 | |
| 256 | if (CC_UNLIKELY(ATRACE_ENABLED() && properties.promotedToLayer())) { |
| 257 | // pretend alpha always causes savelayer to warn about |
| 258 | // performance problem affecting old versions |
| 259 | ATRACE_FORMAT("alpha caused saveLayer %dx%d", properties.getWidth(), |
| 260 | properties.getHeight()); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | const SkRect* pendingClip = nullptr; |
| 265 | SkRect clipRect; |
| 266 | |
| 267 | if (clipFlags) { |
| 268 | Rect tmpRect; |
| 269 | properties.getClippingRectForFlags(clipFlags, &tmpRect); |
| 270 | clipRect = tmpRect.toSkRect(); |
| 271 | pendingClip = &clipRect; |
| 272 | } |
| 273 | |
| 274 | if (properties.getRevealClip().willClip()) { |
Mike Reed | 6c67f1d | 2016-12-14 10:29:54 -0500 | [diff] [blame] | 275 | canvas->clipPath(*properties.getRevealClip().getPath(), SkClipOp::kIntersect, true); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 276 | } else if (properties.getOutline().willClip()) { |
| 277 | clipOutline(properties.getOutline(), canvas, pendingClip); |
| 278 | pendingClip = nullptr; |
| 279 | } |
| 280 | |
| 281 | if (pendingClip) { |
| 282 | canvas->clipRect(*pendingClip); |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | }; // namespace skiapipeline |
| 287 | }; // namespace uirenderer |
| 288 | }; // namespace android |