Remove GP from drawstate, revision of invariant output for GP

src/gpu/GrProcOptInfo.cpp

Index: src/gpu/GrProcOptInfo.cpp
diff --git a/src/gpu/GrProcOptInfo.cpp b/src/gpu/GrProcOptInfo.cpp
index a84ac2e17fb45dcfb2a9f556b2a628dd68bcf53f..34f62c8d17160224ef6f478e0ea21f2195ee06b1 100644
--- a/src/gpu/GrProcOptInfo.cpp
+++ b/src/gpu/GrProcOptInfo.cpp
@@ -11,31 +11,49 @@
 #include "GrFragmentStage.h"
 #include "GrGeometryProcessor.h"
 
+void GrProcOptInfo::calcColorWithPrimProc(const GrPrimitiveProcessor* pp,
+                                          const GrFragmentStage* stages,
+                                          int stageCount) {
+    GrInitInvariantOutput out;
+    pp->computeOutputColor(&out);
+    fInOut.reset(out);
+    this->internalCalc(stages, stageCount);
+}
+
+void GrProcOptInfo::calcCoverageWithPrimProc(const GrPrimitiveProcessor* pp,
+                                             const GrFragmentStage* stages,
+                                             int stageCount) {
+    GrInitInvariantOutput out;
+    pp->computeOutputCoverage(&out);
+    fInOut.reset(out);
+    this->internalCalc(stages, stageCount);
+}
+
 void GrProcOptInfo::calcWithInitialValues(const GrFragmentStage* stages,
                                           int stageCount,
                                           GrColor startColor,
                                           GrColorComponentFlags flags,
-                                          bool areCoverageStages,
-                                          const GrGeometryProcessor* gp) {
-    fInOut.reset(startColor, flags, areCoverageStages);
+                                          bool areCoverageStages) {
+    GrInitInvariantOutput out;
+    out.fIsSingleComponent = areCoverageStages;
+    out.fColor = startColor;
+    out.fValidFlags = flags;
+    this->internalCalc(stages, stageCount);
+}
+
+void GrProcOptInfo::internalCalc(const GrFragmentStage* stages, int stageCount) {
     fFirstEffectStageIndex = 0;
     fInputColorIsUsed = true;
-    fInputColor = startColor;
+    fInputColor = fInOut.color();
     fRemoveVertexAttrib = false;
     fReadsDst = false;
     fReadsFragPosition = false;
 
-    if (areCoverageStages && gp) {
-        gp->computeInvariantOutput(&fInOut);
-    }
-
     for (int i = 0; i < stageCount; ++i) {
         const GrFragmentProcessor* processor = stages[i].getProcessor();
         fInOut.resetWillUseInputColor();
         processor->computeInvariantOutput(&fInOut);
-#ifdef SK_DEBUG
-        fInOut.validate();
-#endif
+        SkDEBUGCODE(fInOut.validate());
         if (!fInOut.willUseInputColor()) {
             fFirstEffectStageIndex = i;
             fInputColorIsUsed = false;
@@ -63,4 +81,3 @@ void GrProcOptInfo::calcWithInitialValues(const GrFragmentStage* stages,
         }
     }
 }
-