155ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org#include "Test.h" 255ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 355ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org#include "SkColorPriv.h" 455ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 555ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org#define ASSERT(expr) REPORTER_ASSERT(r, expr) 655ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 755ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.orgDEF_TEST(Splay, r) { 855ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const SkPMColor color = 0xA1B2C3D4; 955ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 1055ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org uint32_t ag, rb; 1155ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org SkSplay(color, &ag, &rb); 1255ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(ag == 0x00A100C3); 1355ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(rb == 0x00B200D4); 1455ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(SkUnsplay(ag << 8, rb << 8) == color); 1555ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 1655ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const uint64_t agrb = SkSplay(color); 17cb08f986938eeeeb57f950c94fee120aca965787mtklein@google.com ASSERT(agrb == 0x00A100C300B200D4ULL); 1855ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(SkUnsplay(agrb<<8) == color); 1955ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org} 2055ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 2155ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.orgDEF_TEST(FourByteInterp, r) { 2255ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const SkPMColor src = 0xAB998877, dst = 0x66334455; 2355ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org for (unsigned scale = 0; scale <= 256; scale++) { 2455ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(SkFourByteInterp256(src, dst, scale) == SkFastFourByteInterp256(src, dst, scale)); 2555ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org } 2655ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 2755ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org for (unsigned scale = 0; scale < 256; scale++) { 2855ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org // SkFourByteInterp and SkFastFourByteInterp convert from [0, 255] to [0, 256] differently. 2955ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org // In particular, slow may end up a little too high (weirdly, fast is more accurate). 3055ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const SkPMColor slow = SkFourByteInterp(src, dst, scale); 3155ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const SkPMColor fast = SkFastFourByteInterp(src, dst, scale); 3255ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 3355ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const int deltaA = SkGetPackedA32(slow) - SkGetPackedA32(fast); 3455ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const int deltaR = SkGetPackedR32(slow) - SkGetPackedR32(fast); 3555ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const int deltaG = SkGetPackedG32(slow) - SkGetPackedG32(fast); 3655ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org const int deltaB = SkGetPackedB32(slow) - SkGetPackedB32(fast); 3755ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org 3855ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(deltaA == 0 || deltaA == 1); 3955ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(deltaR == 0 || deltaR == 1); 4055ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(deltaG == 0 || deltaG == 1); 4155ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org ASSERT(deltaB == 0 || deltaB == 1); 4255ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org } 4355ca8244cc19c3067defa64f139521264d777eb0commit-bot@chromium.org} 44