Revert of Rework GrPipelineInfo

src/gpu/GrPrimitiveProcessor.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrPrimitiveProcessor_DEFINED
 #define GrPrimitiveProcessor_DEFINED
 
@@ skipping 54 matching lines @@
 private:
     SkAlignedSStorage<kMaxSize> fData;
 };
 
 class GrGLSLCaps;
 class GrGLPrimitiveProcessor;
 
 struct GrInitInvariantOutput;
 
 /*
- * This class allows the GrPipeline to communicate information about the pipeline to a
- * GrPrimitiveProcessor that will be used in conjunction with the GrPipeline.
+ * This struct allows the GrPipeline to communicate information about the pipeline.  Most of this
+ * is overrides, but some of it is general information.  Logically it should live in GrPipeline.h,
+ * but this is problematic due to circular dependencies.
  */
-class GrPipelineInfo {
-public:
-    /** Does the pipeline require the GrPrimitiveProcessor's color? */
-    bool readsColor() const { return SkToBool(kReadsColor_GrPipelineInfoFlag & fFlags); }
-
-    /** Does the pipeline require the GrPrimitiveProcessor's coverage? */
-    bool readsCoverage() const { return SkToBool(kReadsCoverage_GrPipelineInfoFlag & fFlags); }
-
-    /** Does the pipeline require access to (implicit or explicit) local coordinates? */
-    bool readsLocalCoords() const {
-        return SkToBool(kReadsLocalCoords_GrPipelineInfoFlag & fFlags);
-    }
-
-    /** Does the pipeline allow the GrPrimitiveProcessor to combine color and coverage into one
-        color output ? */
-    bool canTweakAlphaForCoverage() const {
-        return SkToBool(kCanTweakAlphaForCoverage_GrPipelineInfoFlag & fFlags);
-    }
-
-    /** Does the pipeline require the GrPrimitiveProcessor to specify a specific color (and if
-        so get the color)? */
-    bool getOverrideColorIfSet(GrColor* overrideColor) const {
-        if (SkToBool(kUseOverrideColor_GrPipelineInfoFlag & fFlags)) {
-            SkASSERT(SkToBool(kReadsColor_GrPipelineInfoFlag & fFlags));
-            if (overrideColor) {
-                *overrideColor = fOverrideColor;
-            }
-            return true;
-        }
-        return false;
-    }
-
-private:
-    enum {
-        // If this is not set the primitive processor need not produce a color output
-        kReadsColor_GrPipelineInfoFlag                  = 0x1,
-
-        // If this is not set the primitive processor need not produce a coverage output
-        kReadsCoverage_GrPipelineInfoFlag               = 0x2,
-
-        // If this is not set the primitive processor need not produce local coordinates
-        kReadsLocalCoords_GrPipelineInfoFlag            = 0x4,
-
-        // If this flag is set then the primitive processor may produce color*coverage as
-        // its color output (and not output a separate coverage).
-        kCanTweakAlphaForCoverage_GrPipelineInfoFlag    = 0x8,
-
-        // If this flag is set the GrPrimitiveProcessor must produce fOverrideColor as its
-        // output color. If not set fOverrideColor is to be ignored.
-        kUseOverrideColor_GrPipelineInfoFlag            = 0x10,
-    };
-
-    uint32_t    fFlags;
-    GrColor     fOverrideColor;
-
-    friend class GrPipeline; // To initialize this
+struct GrPipelineInfo {
+    bool fColorIgnored;
+    bool fCoverageIgnored;
+    GrColor fOverrideColor;
+    bool fUsesLocalCoords;
+    bool fCanTweakAlphaForCoverage;
 };
 
 /*
  * This enum is shared by GrPrimitiveProcessors and GrGLPrimitiveProcessors to coordinate shaders
  * with vertex attributes / uniforms.
  */
 enum GrGPInput {
     kAllOnes_GrGPInput,
     kAttribute_GrGPInput,
     kUniform_GrGPInput,
@@ skipping 88 matching lines @@
 
 private:
     virtual bool hasExplicitLocalCoords() const = 0;
 
     bool fIsPathRendering;
 
     typedef GrProcessor INHERITED;
 };
 
 #endif