3350c3c68a
this fixes quad/line intersection git-svn-id: http://skia.googlecode.com/svn/trunk@5277 2bbb7eff-a529-9590-31e7-b0007b416f81
538 lines
18 KiB
C++
538 lines
18 KiB
C++
#include "EdgeWalker_Test.h"
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#include "Intersection_Tests.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkStream.h"
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#include <algorithm>
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#include <assert.h>
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#include <errno.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#undef SkASSERT
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#define SkASSERT(cond) while (!(cond)) { sk_throw(); }
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static const char marker[] =
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"</div>\n"
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"\n"
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"<script type=\"text/javascript\">\n"
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"\n"
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"var testDivs = [\n";
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static const char preferredFilename[] = "/flash/debug/XX.txt";
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static const char backupFilename[] = "../../experimental/Intersection/debugXX.txt";
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static bool gShowPath = false;
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static bool gComparePaths = true;
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//static bool gDrawLastAsciiPaths = true;
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//static bool gDrawAllAsciiPaths = false;
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static bool gShowOutputProgress = false;
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static bool gShowAsciiPaths = true;
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static bool gComparePathsAssert = false;
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static bool gPathStrAssert = true;
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void showPath(const SkPath& path, const char* str) {
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SkDebugf("%s\n", !str ? "original:" : str);
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SkPath::Iter iter(path, true);
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uint8_t verb;
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SkPoint pts[4];
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while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
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switch (verb) {
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case SkPath::kMove_Verb:
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SkDebugf("path.moveTo(%1.9g, %1.9g);\n", pts[0].fX, pts[0].fY);
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continue;
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case SkPath::kLine_Verb:
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SkDebugf("path.lineTo(%1.9g, %1.9g);\n", pts[1].fX, pts[1].fY);
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break;
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case SkPath::kQuad_Verb:
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SkDebugf("path.quadTo(%1.9g, %1.9g, %1.9g, %1.9g);\n",
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pts[1].fX, pts[1].fY, pts[2].fX, pts[2].fY);
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break;
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case SkPath::kCubic_Verb:
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SkDebugf("path.cubicTo(%1.9g, %1.9g, %1.9g, %1.9g);\n",
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pts[1].fX, pts[1].fY, pts[2].fX, pts[2].fY,
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pts[3].fX, pts[3].fY);
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break;
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case SkPath::kClose_Verb:
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SkDebugf("path.close();\n");
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continue;
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default:
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SkDEBUGFAIL("bad verb");
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return;
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}
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}
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}
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static int pathsDrawTheSame(const SkPath& one, const SkPath& two,
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SkBitmap& bits, SkCanvas* c, int& error2x2) {
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SkCanvas* canvasPtr = c;
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if (!c) {
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canvasPtr = new SkCanvas(bits);
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}
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const int bitWidth = 64;
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const int bitHeight = 64;
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if (bits.width() == 0) {
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bits.setConfig(SkBitmap::kARGB_8888_Config, bitWidth * 2, bitHeight);
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bits.allocPixels();
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canvasPtr->setBitmapDevice(bits);
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}
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SkRect larger = one.getBounds();
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larger.join(two.getBounds());
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SkScalar largerWidth = larger.width();
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if (largerWidth < 4) {
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largerWidth = 4;
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}
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SkScalar largerHeight = larger.height();
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if (largerHeight < 4) {
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largerHeight = 4;
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}
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SkScalar hScale = (bitWidth - 2) / largerWidth;
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SkScalar vScale = (bitHeight - 2) / largerHeight;
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SkMatrix scale;
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scale.reset();
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scale.preScale(hScale, vScale);
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SkPath scaledOne, scaledTwo;
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one.transform(scale, &scaledOne);
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two.transform(scale, &scaledTwo);
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const SkRect& bounds1 = scaledOne.getBounds();
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SkCanvas& canvas = *canvasPtr;
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canvas.drawColor(SK_ColorWHITE);
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SkPaint paint;
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canvas.save();
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canvas.translate(-bounds1.fLeft + 1, -bounds1.fTop + 1);
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canvas.drawPath(scaledOne, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(-bounds1.fLeft + 1 + bitWidth, -bounds1.fTop + 1);
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canvas.drawPath(scaledTwo, paint);
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canvas.restore();
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int errors2 = 0;
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int errors = 0;
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for (int y = 0; y < bitHeight - 1; ++y) {
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uint32_t* addr1 = bits.getAddr32(0, y);
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uint32_t* addr2 = bits.getAddr32(0, y + 1);
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uint32_t* addr3 = bits.getAddr32(bitWidth, y);
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uint32_t* addr4 = bits.getAddr32(bitWidth, y + 1);
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for (int x = 0; x < bitWidth - 1; ++x) {
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// count 2x2 blocks
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bool err = addr1[x] != addr3[x];
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if (err) {
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errors2 += addr1[x + 1] != addr3[x + 1]
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&& addr2[x] != addr4[x] && addr2[x + 1] != addr4[x + 1];
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errors++;
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}
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}
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}
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if (!c) {
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delete canvasPtr;
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}
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if (errors2 >= 3 || errors > 96) {
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SkDebugf("%s errors2=%d errors=%d\n", __FUNCTION__, errors2, errors);
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}
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if (errors2 >= 4 || errors > 192) {
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drawAsciiPaths(scaledOne, scaledTwo, true);
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}
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error2x2 = errors2;
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return errors;
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}
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bool drawAsciiPaths(const SkPath& one, const SkPath& two, bool drawPaths) {
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if (!drawPaths) {
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return true;
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}
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if (gShowAsciiPaths) {
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showPath(one, "one:");
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showPath(two, "two:");
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}
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const SkRect& bounds1 = one.getBounds();
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const SkRect& bounds2 = two.getBounds();
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SkRect larger = bounds1;
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larger.join(bounds2);
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SkBitmap bits;
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char out[256];
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int bitWidth = SkScalarCeil(larger.width()) + 2;
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if (bitWidth * 2 + 1 >= (int) sizeof(out)) {
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return false;
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}
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int bitHeight = SkScalarCeil(larger.height()) + 2;
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if (bitHeight >= (int) sizeof(out)) {
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return false;
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}
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bits.setConfig(SkBitmap::kARGB_8888_Config, bitWidth * 2, bitHeight);
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bits.allocPixels();
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SkCanvas canvas(bits);
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canvas.drawColor(SK_ColorWHITE);
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SkPaint paint;
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canvas.save();
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canvas.translate(-bounds1.fLeft + 1, -bounds1.fTop + 1);
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canvas.drawPath(one, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(-bounds1.fLeft + 1 + bitWidth, -bounds1.fTop + 1);
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canvas.drawPath(two, paint);
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canvas.restore();
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for (int y = 0; y < bitHeight; ++y) {
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uint32_t* addr1 = bits.getAddr32(0, y);
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int x;
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char* outPtr = out;
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for (x = 0; x < bitWidth; ++x) {
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*outPtr++ = addr1[x] == (uint32_t) -1 ? '_' : 'x';
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}
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*outPtr++ = '|';
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for (x = bitWidth; x < bitWidth * 2; ++x) {
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*outPtr++ = addr1[x] == (uint32_t) -1 ? '_' : 'x';
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}
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*outPtr++ = '\0';
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SkDebugf("%s\n", out);
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}
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return true;
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}
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int comparePaths(const SkPath& one, const SkPath& two, SkBitmap& bitmap,
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SkCanvas* canvas) {
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int errors2x2;
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int errors = pathsDrawTheSame(one, two, bitmap, canvas, errors2x2);
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if (errors2x2 == 0) {
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return 0;
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}
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const int MAX_ERRORS = 5;
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if (errors2x2 > MAX_ERRORS && gComparePathsAssert) {
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SkDebugf("%s errors=%d\n", __FUNCTION__, errors);
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showPath(one);
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showPath(two, "simplified:");
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SkASSERT(0);
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}
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return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
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}
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// doesn't work yet
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void comparePathsTiny(const SkPath& one, const SkPath& two) {
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const SkRect& bounds1 = one.getBounds();
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const SkRect& bounds2 = two.getBounds();
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SkRect larger = bounds1;
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larger.join(bounds2);
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SkBitmap bits;
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int bitWidth = SkScalarCeil(larger.width()) + 2;
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int bitHeight = SkScalarCeil(larger.height()) + 2;
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bits.setConfig(SkBitmap::kA1_Config, bitWidth * 2, bitHeight);
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bits.allocPixels();
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SkCanvas canvas(bits);
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canvas.drawColor(SK_ColorWHITE);
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SkPaint paint;
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canvas.save();
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canvas.translate(-bounds1.fLeft + 1, -bounds1.fTop + 1);
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canvas.drawPath(one, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(-bounds2.fLeft + 1, -bounds2.fTop + 1);
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canvas.drawPath(two, paint);
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canvas.restore();
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for (int y = 0; y < bitHeight; ++y) {
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uint8_t* addr1 = bits.getAddr1(0, y);
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uint8_t* addr2 = bits.getAddr1(bitWidth, y);
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for (int x = 0; x < bits.rowBytes(); ++x) {
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SkASSERT(addr1[x] == addr2[x]);
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}
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}
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}
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bool testSimplify(const SkPath& path, bool fill, SkPath& out, SkBitmap& bitmap,
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SkCanvas* canvas) {
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if (gShowPath) {
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showPath(path);
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}
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simplify(path, fill, out);
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if (!gComparePaths) {
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return true;
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}
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return comparePaths(path, out, bitmap, canvas) == 0;
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}
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bool testSimplifyx(SkPath& path, bool useXor, SkPath& out, State4& state,
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const char* pathStr) {
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SkPath::FillType fillType = useXor ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType;
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path.setFillType(fillType);
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if (gShowPath) {
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showPath(path);
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}
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simplifyx(path, out);
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if (!gComparePaths) {
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return true;
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}
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int result = comparePaths(path, out, state.bitmap, state.canvas);
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if (result && gPathStrAssert) {
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char temp[8192];
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bzero(temp, sizeof(temp));
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SkMemoryWStream stream(temp, sizeof(temp));
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outputToStream(state, pathStr, fillType, stream);
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SkDebugf(temp);
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SkASSERT(0);
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}
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return result == 0;
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}
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bool testSimplifyx(const SkPath& path) {
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SkPath out;
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simplifyx(path, out);
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SkBitmap bitmap;
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int result = comparePaths(path, out, bitmap, 0);
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if (result && gPathStrAssert) {
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SkASSERT(0);
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}
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return result == 0;
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}
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const int maxThreadsAllocated = 64;
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static int maxThreads = 1;
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static int threadIndex;
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State4 threadState[maxThreadsAllocated];
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static int testNumber;
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static const char* testName;
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static bool debugThreads = false;
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State4* State4::queue = NULL;
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pthread_mutex_t State4::addQueue = PTHREAD_MUTEX_INITIALIZER;
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pthread_cond_t State4::checkQueue = PTHREAD_COND_INITIALIZER;
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State4::State4() {
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bitmap.setConfig(SkBitmap::kARGB_8888_Config, 150 * 2, 100);
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bitmap.allocPixels();
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canvas = new SkCanvas(bitmap);
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}
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void createThread(State4* statePtr, void* (*testFun)(void* )) {
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int threadError = pthread_create(&statePtr->threadID, NULL, testFun,
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(void*) statePtr);
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SkASSERT(!threadError);
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}
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int dispatchTest4(void* (*testFun)(void* ), int a, int b, int c, int d) {
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int testsRun = 0;
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State4* statePtr;
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if (!gRunTestsInOneThread) {
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pthread_mutex_lock(&State4::addQueue);
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if (threadIndex < maxThreads) {
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statePtr = &threadState[threadIndex];
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statePtr->testsRun = 0;
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statePtr->a = a;
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statePtr->b = b;
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statePtr->c = c;
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statePtr->d = d;
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statePtr->done = false;
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statePtr->index = threadIndex;
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statePtr->last = false;
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if (debugThreads) SkDebugf("%s %d create done=%d last=%d\n", __FUNCTION__,
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statePtr->index, statePtr->done, statePtr->last);
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pthread_cond_init(&statePtr->initialized, NULL);
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++threadIndex;
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createThread(statePtr, testFun);
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} else {
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while (!State4::queue) {
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if (debugThreads) SkDebugf("%s checkQueue\n", __FUNCTION__);
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pthread_cond_wait(&State4::checkQueue, &State4::addQueue);
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}
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statePtr = State4::queue;
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testsRun += statePtr->testsRun;
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statePtr->testsRun = 0;
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statePtr->a = a;
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statePtr->b = b;
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statePtr->c = c;
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statePtr->d = d;
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statePtr->done = false;
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State4::queue = NULL;
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for (int index = 0; index < maxThreads; ++index) {
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if (threadState[index].done) {
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State4::queue = &threadState[index];
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}
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}
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if (debugThreads) SkDebugf("%s %d init done=%d last=%d queued=%d\n", __FUNCTION__,
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statePtr->index, statePtr->done, statePtr->last,
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State4::queue ? State4::queue->index : -1);
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pthread_cond_signal(&statePtr->initialized);
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}
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pthread_mutex_unlock(&State4::addQueue);
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} else {
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statePtr = &threadState[0];
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testsRun += statePtr->testsRun;
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statePtr->testsRun = 0;
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statePtr->a = a;
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statePtr->b = b;
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statePtr->c = c;
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statePtr->d = d;
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statePtr->done = false;
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statePtr->index = threadIndex;
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statePtr->last = false;
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(*testFun)(statePtr);
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}
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return testsRun;
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}
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void initializeTests(const char* test, size_t testNameSize) {
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testName = test;
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if (!gRunTestsInOneThread) {
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int threads = -1;
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size_t size = sizeof(threads);
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sysctlbyname("hw.logicalcpu_max", &threads, &size, NULL, 0);
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if (threads > 0) {
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maxThreads = threads;
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} else {
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maxThreads = 8;
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}
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}
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SkFILEStream inFile("../../experimental/Intersection/op.htm");
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if (inFile.isValid()) {
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SkTDArray<char> inData;
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inData.setCount(inFile.getLength());
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size_t inLen = inData.count();
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inFile.read(inData.begin(), inLen);
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inFile.setPath(NULL);
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char* insert = strstr(inData.begin(), marker);
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if (insert) {
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insert += sizeof(marker) - 1;
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const char* numLoc = insert + 4 /* indent spaces */ + testNameSize - 1;
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testNumber = atoi(numLoc) + 1;
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}
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}
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const char* filename = preferredFilename;
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SkFILEWStream preferredTest(filename);
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if (!preferredTest.isValid()) {
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filename = backupFilename;
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SkFILEWStream backupTest(filename);
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SkASSERT(backupTest.isValid());
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}
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for (int index = 0; index < maxThreads; ++index) {
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State4* statePtr = &threadState[index];
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strcpy(statePtr->filename, filename);
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size_t len = strlen(filename);
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SkASSERT(statePtr->filename[len - 6] == 'X');
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SkASSERT(statePtr->filename[len - 5] == 'X');
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statePtr->filename[len - 6] = '0' + index / 10;
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statePtr->filename[len - 5] = '0' + index % 10;
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}
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threadIndex = 0;
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}
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void outputProgress(const State4& state, const char* pathStr, SkPath::FillType pathFillType) {
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if (gRunTestsInOneThread && gShowOutputProgress) {
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if (pathFillType == SkPath::kEvenOdd_FillType) {
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SkDebugf(" path.setFillType(SkPath::kEvenOdd_FillType);\n", pathStr);
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}
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SkDebugf("%s\n", pathStr);
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}
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SkFILEWStream outFile(state.filename);
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if (!outFile.isValid()) {
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SkASSERT(0);
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return;
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}
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outputToStream(state, pathStr, pathFillType, outFile);
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}
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static void writeTestName(SkPath::FillType pathFillType, SkWStream& outFile) {
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outFile.writeText(testName);
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outFile.writeDecAsText(testNumber);
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if (pathFillType == SkPath::kEvenOdd_FillType) {
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outFile.writeText("x");
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}
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}
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void outputToStream(const State4& state, const char* pathStr, SkPath::FillType pathFillType, SkWStream& outFile) {
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outFile.writeText("<div id=\"");
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writeTestName(pathFillType, outFile);
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outFile.writeText("\">\n");
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if (pathFillType == SkPath::kEvenOdd_FillType) {
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outFile.writeText(" path.setFillType(SkPath::kEvenOdd_FillType);\n");
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}
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outFile.writeText(pathStr);
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outFile.writeText("</div>\n\n");
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outFile.writeText(marker);
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outFile.writeText(" ");
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writeTestName(pathFillType, outFile);
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outFile.writeText(",\n\n\n");
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outFile.writeText("static void ");
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writeTestName(pathFillType, outFile);
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outFile.writeText("() {\n SkPath path;\n");
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if (pathFillType == SkPath::kEvenOdd_FillType) {
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outFile.writeText(" path.setFillType(SkPath::kEvenOdd_FillType);\n");
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}
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outFile.writeText(pathStr);
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outFile.writeText(" testSimplifyx(path);\n}\n\n");
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outFile.writeText("static void (*firstTest)() = ");
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writeTestName(pathFillType, outFile);
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outFile.writeText(";\n\n");
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outFile.writeText("static struct {\n");
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outFile.writeText(" void (*fun)();\n");
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outFile.writeText(" const char* str;\n");
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outFile.writeText("} tests[] = {\n");
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|
outFile.writeText(" TEST(");
|
|
writeTestName(pathFillType, outFile);
|
|
outFile.writeText("),\n");
|
|
outFile.flush();
|
|
}
|
|
|
|
bool runNextTestSet(State4& state) {
|
|
if (gRunTestsInOneThread) {
|
|
return false;
|
|
}
|
|
pthread_mutex_lock(&State4::addQueue);
|
|
state.done = true;
|
|
State4::queue = &state;
|
|
if (debugThreads) SkDebugf("%s %d checkQueue done=%d last=%d\n", __FUNCTION__, state.index,
|
|
state.done, state.last);
|
|
pthread_cond_signal(&State4::checkQueue);
|
|
while (state.done && !state.last) {
|
|
if (debugThreads) SkDebugf("%s %d done=%d last=%d\n", __FUNCTION__, state.index, state.done, state.last);
|
|
pthread_cond_wait(&state.initialized, &State4::addQueue);
|
|
}
|
|
pthread_mutex_unlock(&State4::addQueue);
|
|
return !state.last;
|
|
}
|
|
|
|
int waitForCompletion() {
|
|
int testsRun = 0;
|
|
if (!gRunTestsInOneThread) {
|
|
pthread_mutex_lock(&State4::addQueue);
|
|
int runningThreads = maxThreads;
|
|
int index;
|
|
while (runningThreads > 0) {
|
|
while (!State4::queue) {
|
|
if (debugThreads) SkDebugf("%s checkQueue\n", __FUNCTION__);
|
|
pthread_cond_wait(&State4::checkQueue, &State4::addQueue);
|
|
}
|
|
while (State4::queue) {
|
|
--runningThreads;
|
|
SkDebugf("•");
|
|
State4::queue->last = true;
|
|
State4* next = NULL;
|
|
for (index = 0; index < maxThreads; ++index) {
|
|
State4& test = threadState[index];
|
|
if (test.done && !test.last) {
|
|
next = &test;
|
|
}
|
|
}
|
|
if (debugThreads) SkDebugf("%s %d next=%d deQueue\n", __FUNCTION__,
|
|
State4::queue->index, next ? next->index : -1);
|
|
pthread_cond_signal(&State4::queue->initialized);
|
|
State4::queue = next;
|
|
}
|
|
}
|
|
pthread_mutex_unlock(&State4::addQueue);
|
|
for (index = 0; index < maxThreads; ++index) {
|
|
pthread_join(threadState[index].threadID, NULL);
|
|
testsRun += threadState[index].testsRun;
|
|
}
|
|
SkDebugf("\n");
|
|
}
|
|
#ifdef SK_DEBUG
|
|
gDebugMaxWindSum = SK_MaxS32;
|
|
gDebugMaxWindValue = SK_MaxS32;
|
|
#endif
|
|
return testsRun;
|
|
}
|