Replace fixed-size array of effect stages in GrDrawState with two appendable arrays, one for color,…

src/gpu/GrAAHairLinePathRenderer.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAAHairLinePathRenderer.h"
 
@@ skipping 853 matching lines @@
             first = false;
         } else {
             actualBounds.growToInclude(pos.fX, pos.fY);
         }
     }
     if (!first) {
         GrAssert(tolDevBounds.contains(actualBounds));
     }
 #endif
 
-    target->setIndexSourceToBuffer(fLinesIndexBuffer);
-    int lines = 0;
-    int nBufLines = fLinesIndexBuffer->maxQuads();
-    drawState->setEffect(kEdgeEffectStage, hairLineEffect, kEdgeAttrIndex)->unref();
-    while (lines < lineCnt) {
-        int n = GrMin(lineCnt - lines, nBufLines);
-        target->drawIndexed(kTriangles_GrPrimitiveType,
-                            kVertsPerLineSeg*lines,    // startV
-                            0,                         // startI
-                            kVertsPerLineSeg*n,        // vCount
-                            kIdxsPerLineSeg*n,
-                            &devBounds);        // iCount
-        lines += n;
+    {
+        GrDrawState::AutoRestoreEffects are(drawState);
+        target->setIndexSourceToBuffer(fLinesIndexBuffer);
+        int lines = 0;
+        int nBufLines = fLinesIndexBuffer->maxQuads();
+        drawState->addCoverageEffect(hairLineEffect, kEdgeAttrIndex)->unref();
+        while (lines < lineCnt) {
+            int n = GrMin(lineCnt - lines, nBufLines);
+            target->drawIndexed(kTriangles_GrPrimitiveType,
+                                kVertsPerLineSeg*lines,     // startV
+                                0,                          // startI
+                                kVertsPerLineSeg*n,         // vCount
+                                kIdxsPerLineSeg*n,
+                                &devBounds);                // iCount
+            lines += n;
+        }
     }
 
     target->setIndexSourceToBuffer(fQuadsIndexBuffer);
     int quads = 0;
-    drawState->setEffect(kEdgeEffectStage, hairQuadEffect, kEdgeAttrIndex)->unref();
+    drawState->addCoverageEffect(hairQuadEffect, kEdgeAttrIndex)->unref();
     while (quads < quadCnt) {
         int n = GrMin(quadCnt - quads, kNumQuadsInIdxBuffer);
         target->drawIndexed(kTriangles_GrPrimitiveType,
                             4 * lineCnt + kVertsPerQuad*quads, // startV
                             0,                                 // startI
                             kVertsPerQuad*n,                   // vCount
                             kIdxsPerQuad*n,                    // iCount
                             &devBounds);
         quads += n;
     }
     target->resetIndexSource();
 
     return true;
 }