New API for computing optimization invariants.

src/gpu/GrDrawTarget.cpp

Index: src/gpu/GrDrawTarget.cpp
diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index f2ed17c135f9d38cb866e703029e5eea571dd963..e1991e06abc3972c8b26e03f71792ad7c9d5b5ff 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -534,8 +534,14 @@ bool GrDrawTarget::installPipelineInDrawBatch(const GrPipelineBuilder* pipelineB
     args.fPipelineBuilder = pipelineBuilder;
     args.fCaps = this->caps();
     args.fScissor = scissor;
-    args.fColorPOI = pipelineBuilder->colorProcInfo(batch);
-    args.fCoveragePOI = pipelineBuilder->coverageProcInfo(batch);
+    GrBatchToXPOverrides override;

[joshualitt, 2015/11/23 19:09:28]

GrPipelineOptimizations

+    batch->getBatchToXPOverrides(override);

[joshualitt, 2015/11/23 19:09:28]

getPipelineOptimizations

+    override.fColorPOI.completeCalculations(pipelineBuilder->fColorFragmentProcessors.begin(),
+                                            pipelineBuilder->numColorFragmentProcessors());
+    override.fCoveragePOI.completeCalculations(pipelineBuilder->fCoverageFragmentProcessors.begin(),
+                                               pipelineBuilder->numCoverageFragmentProcessors());
+    args.fColorPOI = override.fColorPOI;
+    args.fCoveragePOI = override.fCoveragePOI;
     if (!this->setupDstReadIfNecessary(*pipelineBuilder, args.fColorPOI,
                                        args.fCoveragePOI, &args.fDstTexture,
                                        batch->bounds())) {