1*d57664e9SAndroid Build Coastguard Worker /*
2*d57664e9SAndroid Build Coastguard Worker * Copyright (C) 2020 The Android Open Source Project
3*d57664e9SAndroid Build Coastguard Worker *
4*d57664e9SAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License");
5*d57664e9SAndroid Build Coastguard Worker * you may not use this file except in compliance with the License.
6*d57664e9SAndroid Build Coastguard Worker * You may obtain a copy of the License at
7*d57664e9SAndroid Build Coastguard Worker *
8*d57664e9SAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0
9*d57664e9SAndroid Build Coastguard Worker *
10*d57664e9SAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software
11*d57664e9SAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS,
12*d57664e9SAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*d57664e9SAndroid Build Coastguard Worker * See the License for the specific language governing permissions and
14*d57664e9SAndroid Build Coastguard Worker * limitations under the License.
15*d57664e9SAndroid Build Coastguard Worker */
16*d57664e9SAndroid Build Coastguard Worker
17*d57664e9SAndroid Build Coastguard Worker #include "CanvasOpRasterizer.h"
18*d57664e9SAndroid Build Coastguard Worker
19*d57664e9SAndroid Build Coastguard Worker #include <SkCanvas.h>
20*d57664e9SAndroid Build Coastguard Worker #include <log/log.h>
21*d57664e9SAndroid Build Coastguard Worker
22*d57664e9SAndroid Build Coastguard Worker #include <vector>
23*d57664e9SAndroid Build Coastguard Worker
24*d57664e9SAndroid Build Coastguard Worker #include "CanvasOpBuffer.h"
25*d57664e9SAndroid Build Coastguard Worker #include "CanvasOps.h"
26*d57664e9SAndroid Build Coastguard Worker
27*d57664e9SAndroid Build Coastguard Worker namespace android::uirenderer {
28*d57664e9SAndroid Build Coastguard Worker
rasterizeCanvasBuffer(const CanvasOpBuffer & source,SkCanvas * destination)29*d57664e9SAndroid Build Coastguard Worker void rasterizeCanvasBuffer(const CanvasOpBuffer& source, SkCanvas* destination) {
30*d57664e9SAndroid Build Coastguard Worker // Tracks the global transform from the current display list back toward the display space
31*d57664e9SAndroid Build Coastguard Worker // Push on beginning a RenderNode draw, pop on ending one
32*d57664e9SAndroid Build Coastguard Worker std::vector<SkMatrix> globalMatrixStack;
33*d57664e9SAndroid Build Coastguard Worker SkMatrix& currentGlobalTransform = globalMatrixStack.emplace_back(SkMatrix::I());
34*d57664e9SAndroid Build Coastguard Worker
35*d57664e9SAndroid Build Coastguard Worker source.for_each([&]<CanvasOpType T>(const CanvasOpContainer<T> * op) {
36*d57664e9SAndroid Build Coastguard Worker if constexpr (CanvasOpTraits::can_draw<CanvasOp<T>>) {
37*d57664e9SAndroid Build Coastguard Worker // Generic OP
38*d57664e9SAndroid Build Coastguard Worker // First apply the current transformation
39*d57664e9SAndroid Build Coastguard Worker destination->setMatrix(SkMatrix::Concat(currentGlobalTransform, op->transform()));
40*d57664e9SAndroid Build Coastguard Worker // Now draw it
41*d57664e9SAndroid Build Coastguard Worker (*op)->draw(destination);
42*d57664e9SAndroid Build Coastguard Worker return;
43*d57664e9SAndroid Build Coastguard Worker }
44*d57664e9SAndroid Build Coastguard Worker LOG_ALWAYS_FATAL("TODO, unable to rasterize %d", static_cast<int>(T));
45*d57664e9SAndroid Build Coastguard Worker });
46*d57664e9SAndroid Build Coastguard Worker }
47*d57664e9SAndroid Build Coastguard Worker
48*d57664e9SAndroid Build Coastguard Worker } // namespace android::uirenderer
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