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| 1 /* |
| 2 * Copyright 2015 Google Inc. |
| 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 |
| 8 #include "GrReorderCommandBuilder.h" |
| 9 |
| 10 static bool intersect(const SkRect& a, const SkRect& b) { |
| 11 SkASSERT(a.fLeft <= a.fRight && a.fTop <= a.fBottom && |
| 12 b.fLeft <= b.fRight && b.fTop <= b.fBottom); |
| 13 return a.fLeft < b.fRight && b.fLeft < a.fRight && |
| 14 a.fTop < b.fBottom && b.fTop < a.fBottom; |
| 15 } |
| 16 |
| 17 GrTargetCommands::Cmd* GrReorderCommandBuilder::recordDrawBatch(State* state, Gr
Batch* batch) { |
| 18 // Check if there is a Batch Draw we can batch with by linearly searching ba
ck until we either |
| 19 // 1) check every draw |
| 20 // 2) intersect with something |
| 21 // 3) find a 'blocker' |
| 22 if (!this->cmdBuffer()->empty()) { |
| 23 GrTargetCommands::CmdBuffer::ReverseIter reverseIter(*this->cmdBuffer())
; |
| 24 |
| 25 do { |
| 26 if (Cmd::kDrawBatch_CmdType == reverseIter->type()) { |
| 27 DrawBatch* previous = static_cast<DrawBatch*>(reverseIter.get())
; |
| 28 |
| 29 if (previous->fState->getPipeline()->isEqual(*state->getPipeline
()) && |
| 30 previous->fBatch->combineIfPossible(batch)) { |
| 31 return NULL; |
| 32 } |
| 33 |
| 34 if (intersect(previous->fBatch->bounds(), batch->bounds())) { |
| 35 break; |
| 36 } |
| 37 } else { |
| 38 // TODO temporary until we can navigate the other types of comma
nds |
| 39 break; |
| 40 } |
| 41 } while (reverseIter.previous()); |
| 42 } |
| 43 |
| 44 return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (state, batch
, |
| 45 this->batchT
arget())); |
| 46 } |
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