SkCanvas::drawPatch param SkPoint[12]

src/core/SkPictureRecord.cpp

Index: src/core/SkPictureRecord.cpp
diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index 66aa46d14bab632c606e058fb8224fb722961e1e..9faed9c432cee3db3c8de7ac10f36ddc1fe938d4 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -1480,18 +1480,54 @@ void SkPictureRecord::drawVertices(VertexMode vmode, int vertexCount,
     this->validate(initialOffset, size);
 }
 
-void SkPictureRecord::drawPatch(const SkPatch& patch, const SkPaint& paint) {
+void SkPictureRecord::drawPatch(const SkPoint cubics[12], const SkColor colors[4],
+                                const SkPoint texCoords[4], SkXfermode* xmode,
+                                const SkPaint& paint) {
+    if (NULL == cubics) {
+        return;
+    }
+    
 #ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
     fMCMgr.call(SkMatrixClipStateMgr::kOther_CallType);
 #endif
     
-    // op + paint index + patch 12 control points + patch 4 colors
-    size_t size = 2 * kUInt32Size + SkPatch::kNumCtrlPts * sizeof(SkPoint) +
-                    SkPatch::kNumColors * sizeof(SkColor);
+    // op + paint index + patch 12 control points + flag + patch 4 colors + 4 texture coordinates
+    size_t size = 2 * kUInt32Size + SkPatch::kNumCtrlPts * sizeof(SkPoint) + kUInt32Size;
+    uint32_t flag = 0;
+    if (NULL != colors) {
+        flag |= DRAW_VERTICES_HAS_COLORS;
+        size += SkPatch::kNumCorners * sizeof(SkColor);
+    }
+    if (NULL != texCoords) {
+        flag |= DRAW_VERTICES_HAS_TEXS;
+        size += SkPatch::kNumCorners * sizeof(SkPoint);
+    }
+    if (NULL != xmode) {
+        SkXfermode::Mode mode;
+        if (xmode->asMode(&mode) && SkXfermode::kModulate_Mode != mode) {
+            flag |= DRAW_VERTICES_HAS_XFER;
+            size += kUInt32Size;
+        }
+    }
+    
     size_t initialOffset = this->addDraw(DRAW_PATCH, &size);
     SkASSERT(initialOffset+getPaintOffset(DRAW_PATCH, size) == fWriter.bytesWritten());
     this->addPaint(paint);
-    this->addPatch(patch);
+    this->addPatch(cubics);
+    this->addInt(flag);
+    
+    // write optional parameters
+    if (NULL != colors) {
+        fWriter.write(colors, SkPatch::kNumCorners * sizeof(SkColor));
+    }
+    if (NULL != texCoords) {
+        fWriter.write(texCoords, SkPatch::kNumCorners * sizeof(SkPoint));
+    }
+    if (flag & DRAW_VERTICES_HAS_XFER) {
+        SkXfermode::Mode mode = SkXfermode::kModulate_Mode;
+        xmode->asMode(&mode);
+        this->addInt(mode);
+    }
     this->validate(initialOffset, size);
 }
 
@@ -1626,8 +1662,8 @@ void SkPictureRecord::addPath(const SkPath& path) {
     this->addInt(this->addPathToHeap(path));
 }
 
-void SkPictureRecord::addPatch(const SkPatch& patch) {
-    fWriter.writePatch(patch);
+void SkPictureRecord::addPatch(const SkPoint cubics[12]) {
+    fWriter.write(cubics, SkPatch::kNumCtrlPts * sizeof(SkPoint));
 }
 
 void SkPictureRecord::addPicture(const SkPicture* picture) {