New API for computing optimization invariants.

src/gpu/batches/GrDrawVerticesBatch.cpp

 /*
  * 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 "GrDrawVerticesBatch.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 47 matching lines @@
     if (localCoords) {
         installedGeo.fLocalCoords.append(vertexCount, localCoords);
     }
     fVertexCount = vertexCount;
     fIndexCount = indexCount;
     fPrimitiveType = primitiveType;
 
     this->setBounds(bounds);
 }
 
-void GrDrawVerticesBatch::getInvariantOutputColor(GrInitInvariantOutput* out) const {
+void GrDrawVerticesBatch::computePipelineOptimizations(GrInitInvariantOutput* color, 
+                                                       GrInitInvariantOutput* coverage,
+                                                       GrBatchToXPOverrides* overrides) const {
     // When this is called on a batch, there is only one geometry bundle
     if (fVariableColor) {
-        out->setUnknownFourComponents();
+        color->setUnknownFourComponents();
     } else {
-        out->setKnownFourComponents(fGeoData[0].fColor);
+        color->setKnownFourComponents(fGeoData[0].fColor);
     }
+    coverage->setKnownSingleComponent(0xff);
+    overrides->fUsePLSDstRead = false;
 }
 
-void GrDrawVerticesBatch::getInvariantOutputCoverage(GrInitInvariantOutput* out) const {
-    out->setKnownSingleComponent(0xff);
-}
-
-void GrDrawVerticesBatch::initBatchTracker(const GrPipelineOptimizations& opt) {
+void GrDrawVerticesBatch::initBatchTracker(const GrXPOverridesForBatch& overrides) {
     SkASSERT(fGeoData.count() == 1);
     GrColor overrideColor;
-    if (opt.getOverrideColorIfSet(&overrideColor)) {
+    if (overrides.getOverrideColorIfSet(&overrideColor)) {
         fGeoData[0].fColor = overrideColor;
         fGeoData[0].fColors.reset();
         fVariableColor = false;
     }
-    fCoverageIgnored = !opt.readsCoverage();
-    if (!opt.readsLocalCoords()) {
+    fCoverageIgnored = !overrides.readsCoverage();
+    if (!overrides.readsLocalCoords()) {
         fGeoData[0].fLocalCoords.reset();
     }
 }
 
 void GrDrawVerticesBatch::onPrepareDraws(Target* target) {
     bool hasLocalCoords = !fGeoData[0].fLocalCoords.isEmpty();
     int colorOffset = -1, texOffset = -1;
     SkAutoTUnref<const GrGeometryProcessor> gp(
         set_vertex_attributes(hasLocalCoords, &colorOffset, &texOffset, fViewMatrix,
                               fCoverageIgnored));
@@ skipping 217 matching lines @@
     geometry.fColor = GrRandomColor(random);
     return GrDrawVerticesBatch::Create(geometry, type, viewMatrix,
                                        positions.begin(), vertexCount,
                                        indices.begin(), hasIndices ? vertexCount : 0,
                                        colors.begin(),
                                        texCoords.begin(),
                                        bounds);
 }
 
 #endif