Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | #define LOG_TAG "OpenGLRenderer" |
| 18 | #define ATRACE_TAG ATRACE_TAG_VIEW |
| 19 | |
| 20 | #include <utils/Trace.h> |
| 21 | |
| 22 | #include "Debug.h" |
| 23 | #include "DisplayListOp.h" |
| 24 | #include "OpenGLRenderer.h" |
| 25 | |
| 26 | #if DEBUG_DEFER |
| 27 | #define DEFER_LOGD(...) ALOGD(__VA_ARGS__) |
| 28 | #else |
| 29 | #define DEFER_LOGD(...) |
| 30 | #endif |
| 31 | |
| 32 | namespace android { |
| 33 | namespace uirenderer { |
| 34 | |
| 35 | class DrawOpBatch { |
| 36 | public: |
| 37 | DrawOpBatch() { |
| 38 | mOps.clear(); |
| 39 | } |
| 40 | |
| 41 | ~DrawOpBatch() { |
| 42 | mOps.clear(); |
| 43 | } |
| 44 | |
| 45 | void add(DrawOp* op) { |
| 46 | // NOTE: ignore empty bounds special case, since we don't merge across those ops |
| 47 | mBounds.unionWith(op->state.mBounds); |
| 48 | mOps.add(op); |
| 49 | } |
| 50 | |
| 51 | bool intersects(Rect& rect) { |
| 52 | if (!rect.intersects(mBounds)) return false; |
| 53 | for (unsigned int i = 0; i < mOps.size(); i++) { |
| 54 | if (rect.intersects(mOps[i]->state.mBounds)) { |
| 55 | #if DEBUG_DEFER |
| 56 | DEFER_LOGD("op intersects with op %p with bounds %f %f %f %f:", mOps[i], |
| 57 | mOps[i]->state.mBounds.left, mOps[i]->state.mBounds.top, |
| 58 | mOps[i]->state.mBounds.right, mOps[i]->state.mBounds.bottom); |
| 59 | mOps[i]->output(2); |
| 60 | #endif |
| 61 | return true; |
| 62 | } |
| 63 | } |
| 64 | return false; |
| 65 | } |
| 66 | |
| 67 | Vector<DrawOp*> mOps; |
| 68 | private: |
| 69 | Rect mBounds; |
| 70 | }; |
| 71 | |
| 72 | void DeferredDisplayList::clear() { |
| 73 | for (int i = 0; i < kOpBatch_Count; i++) { |
| 74 | mBatchIndices[i] = -1; |
| 75 | } |
| 76 | for (unsigned int i = 0; i < mBatches.size(); i++) { |
| 77 | delete mBatches[i]; |
| 78 | } |
| 79 | mBatches.clear(); |
| 80 | } |
| 81 | |
| 82 | void DeferredDisplayList::add(DrawOp* op, bool disallowReorder) { |
| 83 | if (CC_UNLIKELY(disallowReorder)) { |
| 84 | if (!mBatches.isEmpty()) { |
| 85 | mBatches[0]->add(op); |
| 86 | return; |
| 87 | } |
| 88 | DrawOpBatch* b = new DrawOpBatch(); |
| 89 | b->add(op); |
| 90 | mBatches.add(b); |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | // disallowReorder isn't set, so find the latest batch of the new op's type, and try to merge |
| 95 | // the new op into it |
| 96 | DrawOpBatch* targetBatch = NULL; |
| 97 | int batchId = op->getBatchId(); |
| 98 | |
| 99 | if (!mBatches.isEmpty()) { |
| 100 | if (op->state.mBounds.isEmpty()) { |
| 101 | // don't know the bounds for op, so add to last batch and start from scratch on next op |
| 102 | mBatches.top()->add(op); |
| 103 | for (int i = 0; i < kOpBatch_Count; i++) { |
| 104 | mBatchIndices[i] = -1; |
| 105 | } |
| 106 | #if DEBUG_DEFER |
| 107 | DEFER_LOGD("Warning: Encountered op with empty bounds, resetting batches"); |
| 108 | op->output(2); |
| 109 | #endif |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | if (batchId >= 0 && mBatchIndices[batchId] != -1) { |
| 114 | int targetIndex = mBatchIndices[batchId]; |
| 115 | targetBatch = mBatches[targetIndex]; |
| 116 | // iterate back toward target to see if anything drawn since should overlap the new op |
| 117 | for (int i = mBatches.size() - 1; i > targetIndex; i--) { |
| 118 | DrawOpBatch* overBatch = mBatches[i]; |
| 119 | if (overBatch->intersects(op->state.mBounds)) { |
| 120 | targetBatch = NULL; |
| 121 | #if DEBUG_DEFER |
| 122 | DEFER_LOGD("op couldn't join batch %d, was intersected by batch %d", |
| 123 | targetIndex, i); |
| 124 | op->output(2); |
| 125 | #endif |
| 126 | break; |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | if (!targetBatch) { |
| 132 | targetBatch = new DrawOpBatch(); |
| 133 | mBatches.add(targetBatch); |
| 134 | if (batchId >= 0) { |
| 135 | mBatchIndices[batchId] = mBatches.size() - 1; |
| 136 | } |
| 137 | } |
| 138 | targetBatch->add(op); |
| 139 | } |
| 140 | |
| 141 | status_t DeferredDisplayList::flush(OpenGLRenderer& renderer, Rect& dirty, int32_t flags, |
| 142 | uint32_t level) { |
| 143 | ATRACE_CALL(); |
| 144 | status_t status = DrawGlInfo::kStatusDone; |
| 145 | |
| 146 | if (isEmpty()) return status; // nothing to flush |
| 147 | |
| 148 | DEFER_LOGD("--flushing"); |
Romain Guy | 0f66753 | 2013-03-01 14:31:04 -0800 | [diff] [blame^] | 149 | renderer.eventMark("Flush"); |
| 150 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 151 | DrawModifiers restoreDrawModifiers = renderer.getDrawModifiers(); |
| 152 | int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
| 153 | int opCount = 0; |
| 154 | for (unsigned int i = 0; i < mBatches.size(); i++) { |
| 155 | DrawOpBatch* batch = mBatches[i]; |
| 156 | for (unsigned int j = 0; j < batch->mOps.size(); j++) { |
| 157 | DrawOp* op = batch->mOps[j]; |
| 158 | |
| 159 | renderer.restoreDisplayState(op->state); |
| 160 | |
| 161 | #if DEBUG_DEFER |
| 162 | op->output(2); |
| 163 | #endif |
| 164 | status |= op->applyDraw(renderer, dirty, level, |
| 165 | op->state.mMultipliedAlpha >= 0, op->state.mMultipliedAlpha); |
| 166 | opCount++; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | DEFER_LOGD("--flushed, drew %d batches (total %d ops)", mBatches.size(), opCount); |
Romain Guy | 0f66753 | 2013-03-01 14:31:04 -0800 | [diff] [blame^] | 171 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 172 | renderer.restoreToCount(restoreTo); |
| 173 | renderer.setDrawModifiers(restoreDrawModifiers); |
| 174 | clear(); |
| 175 | return status; |
| 176 | } |
| 177 | |
| 178 | }; // namespace uirenderer |
| 179 | }; // namespace android |