diff options
Diffstat (limited to 'src/gpu/GrReorderCommandBuilder.cpp')
-rw-r--r-- | src/gpu/GrReorderCommandBuilder.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gpu/GrReorderCommandBuilder.cpp b/src/gpu/GrReorderCommandBuilder.cpp new file mode 100644 index 0000000000..3ba95d7c96 --- /dev/null +++ b/src/gpu/GrReorderCommandBuilder.cpp @@ -0,0 +1,46 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "GrReorderCommandBuilder.h" + +static bool intersect(const SkRect& a, const SkRect& b) { + SkASSERT(a.fLeft <= a.fRight && a.fTop <= a.fBottom && + b.fLeft <= b.fRight && b.fTop <= b.fBottom); + return a.fLeft < b.fRight && b.fLeft < a.fRight && + a.fTop < b.fBottom && b.fTop < a.fBottom; +} + +GrTargetCommands::Cmd* GrReorderCommandBuilder::recordDrawBatch(State* state, GrBatch* batch) { + // Check if there is a Batch Draw we can batch with by linearly searching back until we either + // 1) check every draw + // 2) intersect with something + // 3) find a 'blocker' + if (!this->cmdBuffer()->empty()) { + GrTargetCommands::CmdBuffer::ReverseIter reverseIter(*this->cmdBuffer()); + + do { + if (Cmd::kDrawBatch_CmdType == reverseIter->type()) { + DrawBatch* previous = static_cast<DrawBatch*>(reverseIter.get()); + + if (previous->fState->getPipeline()->isEqual(*state->getPipeline()) && + previous->fBatch->combineIfPossible(batch)) { + return NULL; + } + + if (intersect(previous->fBatch->bounds(), batch->bounds())) { + break; + } + } else { + // TODO temporary until we can navigate the other types of commands + break; + } + } while (reverseIter.previous()); + } + + return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (state, batch, + this->batchTarget())); +} |