From c490f801b063a0837501feab3d12b73d71f46312 Mon Sep 17 00:00:00 2001 From: "jvanverth@google.com" Date: Mon, 4 Mar 2013 13:56:38 +0000 Subject: Change random number generator for 'tests' to SkMWCRandom. Also removes some unused headers and fixes a couple of bugs exposed by changing the random number generator: First, the function SkMatrix::getMaxStretch() had an error where it was testing the square of a number against near-zero. This led to it occasionally taking a cheaper but imprecise path for computing the eigenvalues of the matrix. It's been replaced with a check against the square of SK_ScalarNearlyZero. The second case was a failure in ClipStackTest, where it hit the rare case of a practically empty clip stack (it has a single Union) and we set a tight bounds. The bounds rect doesn't get set by GrReducedClip::ReduceClipStack() in this case, so when it clips the reduced stack it's clipping against garbage, and the resulting regions don't match. The solution is to initialize the tightBounds rect. git-svn-id: http://skia.googlecode.com/svn/trunk@7952 2bbb7eff-a529-9590-31e7-b0007b416f81 --- tests/GrMemoryPoolTest.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'tests/GrMemoryPoolTest.cpp') diff --git a/tests/GrMemoryPoolTest.cpp b/tests/GrMemoryPoolTest.cpp index 8660ea2a3b..73f26a9b2e 100644 --- a/tests/GrMemoryPoolTest.cpp +++ b/tests/GrMemoryPoolTest.cpp @@ -47,7 +47,7 @@ public: SK_DECLARE_INST_COUNT_ROOT(A); - static A* Create(SkRandom* r); + static A* Create(SkMWCRandom* r); static void SetAllocator(size_t preallocSize, size_t minAllocSize) { #if SK_ENABLE_INST_COUNT @@ -160,7 +160,7 @@ private: typedef A INHERITED; }; -A* A::Create(SkRandom* r) { +A* A::Create(SkMWCRandom* r) { switch (r->nextRangeU(0, 4)) { case 0: return new A; @@ -201,7 +201,7 @@ static void test_memory_pool(skiatest::Reporter* reporter) { // number of iterations static const int kCheckPeriod = 500; - SkRandom r; + SkMWCRandom r; for (size_t s = 0; s < SK_ARRAY_COUNT(gSizes); ++s) { A::SetAllocator(gSizes[s][0], gSizes[s][1]); for (size_t c = 0; c < SK_ARRAY_COUNT(gCreateFraction); ++c) { -- cgit v1.2.3