1 files changed, 101 insertions, 0 deletions
diff --git a/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp b/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp
new file mode 100644
index 0000000000..75fd9a448d
--- /dev/null
+++ b/experimental/Intersection/EdgeWalkerQuadratic4x4_Test.cpp
@@ -0,0 +1,101 @@
+#include "EdgeWalker_Test.h"
+#include "Intersection_Tests.h"
+#include "SkBitmap.h"
+#include "SkCanvas.h"
+#include <assert.h>
+
+
+static void* testSimplify4x4QuadraticsMain(void* data)
+{
+    char pathStr[1024];
+    bzero(pathStr, sizeof(pathStr));
+    SkASSERT(data);
+    State4& state = *(State4*) data;
+    int ax = state.a & 0x03;
+    int ay = state.a >> 2;
+    int bx = state.b & 0x03;
+    int by = state.b >> 2;
+    int cx = state.c & 0x03;
+    int cy = state.c >> 2;
+    int dx = state.d & 0x03;
+    int dy = state.d >> 2;
+    for (int e = 0 ; e < 16; ++e) {
+        int ex = e & 0x03;
+        int ey = e >> 2;
+        for (int f = e ; f < 16; ++f) {
+            int fx = f & 0x03;
+            int fy = f >> 2;
+            for (int g = f ; g < 16; ++g) {
+                int gx = g & 0x03;
+                int gy = g >> 2;
+                for (int h = g ; h < 16; ++h) {
+                    int hx = h & 0x03;
+                    int hy = h >> 2;
+                    SkPath path, out;
+                    path.setFillType(SkPath::kWinding_FillType);
+                    path.moveTo(ax, ay);
+                    path.quadTo(bx, by, cx, cy);
+                    path.lineTo(dx, dy);
+                    path.close();
+                    path.moveTo(ex, ey);
+                    path.lineTo(fx, fy);
+                    path.quadTo(gx, gy, hx, hy);
+                    path.close();
+                    if (1) {  // gdb: set print elements 400
+                        char* str = pathStr;
+                        str += sprintf(str, "    path.moveTo(%d, %d);\n", ax, ay);
+                        str += sprintf(str, "    path.quadTo(%d, %d, %d, %d);\n", bx, by, cx, cy);
+                        str += sprintf(str, "    path.lineTo(%d, %d);\n", dx, dy);
+                        str += sprintf(str, "    path.close();\n");
+                        str += sprintf(str, "    path.moveTo(%d, %d);\n", ex, ey);
+                        str += sprintf(str, "    path.lineTo(%d, %d);\n", fx, fy);
+                        str += sprintf(str, "    path.quadTo(%d, %d, %d, %d);\n", gx, gy, hx, hy);
+                        str += sprintf(str, "    path.close();");
+                    }
+                    if (!testSimplify(path, true, out, state.bitmap, state.canvas)) {
+                        SkDebugf("*/\n{ SkPath::kWinding_FillType, %d, %d, %d, %d,"
+                                " %d, %d, %d, %d },\n/*\n", state.a, state.b, state.c, state.d,
+                                e, f, g, h);
+                    }
+                    path.setFillType(SkPath::kEvenOdd_FillType);
+                    if (!testSimplify(path, true, out, state.bitmap, state.canvas)) {
+                        SkDebugf("*/\n{ SkPath::kEvenOdd_FillType, %d, %d, %d, %d,"
+                                " %d, %d, %d, %d },\n/*\n", state.a, state.b, state.c, state.d,
+                                e, f, g, h);
+                    }
+                }
+            }
+        }
+    }
+    return NULL;
+}
+
+const int maxThreads = gRunTestsInOneThread ? 1 : 24;
+
+void Simplify4x4QuadraticsThreaded_Test()
+{
+    State4 threadState[maxThreads];
+    int threadIndex = 0;
+    for (int a = 0; a < 16; ++a) {
+        for (int b = a ; b < 16; ++b) {
+            for (int c = b ; c < 16; ++c) {
+                for (int d = c; d < 16; ++d) {                 
+                    State4* statePtr = &threadState[threadIndex];
+                    statePtr->a = a;
+                    statePtr->b = b;
+                    statePtr->c = c;
+                    statePtr->d = d;
+                    if (maxThreads > 1) {
+                        createThread(statePtr, testSimplify4x4QuadraticsMain);
+                        if (++threadIndex >= maxThreads) {
+                            waitForCompletion(threadState, threadIndex);
+                        }
+                    } else {
+                        testSimplify4x4QuadraticsMain(statePtr);
+                    }
+                }
+            }
+        }
+    }
+    waitForCompletion(threadState, threadIndex);
+}