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 | |
Greg Daniel | 8cd3edf | 2017-01-09 14:15:41 -0500 | [diff] [blame] | 17 | #include "GlLayer.h" |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 18 | #include "LayerDrawable.h" |
Greg Daniel | 45ec62b | 2017-01-04 14:27:00 -0500 | [diff] [blame] | 19 | #include "VkLayer.h" |
| 20 | |
Greg Daniel | ac2d232 | 2017-07-12 11:30:15 -0400 | [diff] [blame] | 21 | #include "GrBackendSurface.h" |
Derek Sollenberger | f87da67 | 2016-11-02 11:34:27 -0400 | [diff] [blame] | 22 | #include "SkColorFilter.h" |
Greg Daniel | 45ec62b | 2017-01-04 14:27:00 -0500 | [diff] [blame] | 23 | #include "SkSurface.h" |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 24 | #include "gl/GrGLTypes.h" |
| 25 | |
| 26 | namespace android { |
| 27 | namespace uirenderer { |
| 28 | namespace skiapipeline { |
| 29 | |
| 30 | void LayerDrawable::onDraw(SkCanvas* canvas) { |
Derek Sollenberger | f5a370e | 2017-06-15 13:50:08 -0400 | [diff] [blame] | 31 | Layer* layer = mLayerUpdater->backingLayer(); |
| 32 | if (layer) { |
| 33 | DrawLayer(canvas->getGrContext(), canvas, layer); |
| 34 | } |
Derek Sollenberger | c4fbada | 2016-11-07 16:05:41 -0500 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | bool LayerDrawable::DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer) { |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 38 | // transform the matrix based on the layer |
| 39 | int saveCount = -1; |
Derek Sollenberger | c4fbada | 2016-11-07 16:05:41 -0500 | [diff] [blame] | 40 | if (!layer->getTransform().isIdentity()) { |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 41 | saveCount = canvas->save(); |
| 42 | SkMatrix transform; |
Derek Sollenberger | c4fbada | 2016-11-07 16:05:41 -0500 | [diff] [blame] | 43 | layer->getTransform().copyTo(transform); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 44 | canvas->concat(transform); |
| 45 | } |
Greg Daniel | 8cd3edf | 2017-01-09 14:15:41 -0500 | [diff] [blame] | 46 | |
Greg Daniel | 45ec62b | 2017-01-04 14:27:00 -0500 | [diff] [blame] | 47 | sk_sp<SkImage> layerImage; |
| 48 | if (layer->getApi() == Layer::Api::OpenGL) { |
| 49 | GlLayer* glLayer = static_cast<GlLayer*>(layer); |
| 50 | GrGLTextureInfo externalTexture; |
| 51 | externalTexture.fTarget = glLayer->getRenderTarget(); |
| 52 | externalTexture.fID = glLayer->getTextureId(); |
Greg Daniel | ac2d232 | 2017-07-12 11:30:15 -0400 | [diff] [blame] | 53 | GrBackendTexture backendTexture(glLayer->getWidth(), glLayer->getHeight(), |
| 54 | kRGBA_8888_GrPixelConfig, externalTexture); |
| 55 | layerImage = SkImage::MakeFromTexture(context, backendTexture, kTopLeft_GrSurfaceOrigin, |
| 56 | kPremul_SkAlphaType, nullptr); |
Greg Daniel | 45ec62b | 2017-01-04 14:27:00 -0500 | [diff] [blame] | 57 | } else { |
| 58 | SkASSERT(layer->getApi() == Layer::Api::Vulkan); |
| 59 | VkLayer* vkLayer = static_cast<VkLayer*>(layer); |
| 60 | canvas->clear(SK_ColorGREEN); |
| 61 | layerImage = vkLayer->getImage(); |
| 62 | } |
| 63 | |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 64 | if (layerImage) { |
| 65 | SkPaint paint; |
Derek Sollenberger | c4fbada | 2016-11-07 16:05:41 -0500 | [diff] [blame] | 66 | paint.setAlpha(layer->getAlpha()); |
| 67 | paint.setBlendMode(layer->getMode()); |
| 68 | paint.setColorFilter(sk_ref_sp(layer->getColorFilter())); |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 69 | canvas->drawImage(layerImage, 0, 0, &paint); |
| 70 | } |
| 71 | // restore the original matrix |
| 72 | if (saveCount >= 0) { |
| 73 | canvas->restoreToCount(saveCount); |
| 74 | } |
Derek Sollenberger | c4fbada | 2016-11-07 16:05:41 -0500 | [diff] [blame] | 75 | |
| 76 | return layerImage; |
Stan Iliev | 021693b | 2016-10-17 16:26:15 -0400 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | }; // namespace skiapipeline |
| 80 | }; // namespace uirenderer |
| 81 | }; // namespace android |