| #include "gm.h" |
| #include "SkColorPriv.h" |
| #include "SkGraphics.h" |
| #include "SkImageDecoder.h" |
| #include "SkImageEncoder.h" |
| #include "SkStream.h" |
| #include "SkRefCnt.h" |
| |
| #include "GrContext.h" |
| #include "SkGpuCanvas.h" |
| #include "SkGpuDevice.h" |
| #include "SkEGLContext.h" |
| #include "SkDevice.h" |
| |
| #ifdef SK_SUPPORT_PDF |
| #include "SkPDFDevice.h" |
| #include "SkPDFDocument.h" |
| #endif |
| |
| using namespace skiagm; |
| |
| // need to explicitly declare this, or we get some weird infinite loop llist |
| template GMRegistry* GMRegistry::gHead; |
| |
| class Iter { |
| public: |
| Iter() { |
| fReg = GMRegistry::Head(); |
| } |
| |
| GM* next() { |
| if (fReg) { |
| GMRegistry::Factory fact = fReg->factory(); |
| fReg = fReg->next(); |
| return fact(0); |
| } |
| return NULL; |
| } |
| |
| static int Count() { |
| const GMRegistry* reg = GMRegistry::Head(); |
| int count = 0; |
| while (reg) { |
| count += 1; |
| reg = reg->next(); |
| } |
| return count; |
| } |
| |
| private: |
| const GMRegistry* fReg; |
| }; |
| |
| static SkString make_name(const char shortName[], const char configName[]) { |
| SkString name(shortName); |
| name.appendf("_%s", configName); |
| return name; |
| } |
| |
| static SkString make_filename(const char path[], const SkString& name, const char suffix[]) { |
| SkString filename(path); |
| if (filename.size() && filename[filename.size() - 1] != '/') { |
| filename.append("/"); |
| } |
| filename.appendf("%s.%s", name.c_str(), suffix); |
| return filename; |
| } |
| |
| /* since PNG insists on unpremultiplying our alpha, we take no precision chances |
| and force all pixels to be 100% opaque, otherwise on compare we may not get |
| a perfect match. |
| */ |
| static void force_all_opaque(const SkBitmap& bitmap) { |
| SkAutoLockPixels lock(bitmap); |
| for (int y = 0; y < bitmap.height(); y++) { |
| for (int x = 0; x < bitmap.width(); x++) { |
| *bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT); |
| } |
| } |
| } |
| |
| static bool write_bitmap(const SkString& path, const SkBitmap& bitmap) { |
| SkBitmap copy; |
| bitmap.copyTo(©, SkBitmap::kARGB_8888_Config); |
| force_all_opaque(copy); |
| return SkImageEncoder::EncodeFile(path.c_str(), copy, |
| SkImageEncoder::kPNG_Type, 100); |
| } |
| |
| static inline SkPMColor compute_diff_pmcolor(SkPMColor c0, SkPMColor c1) { |
| int dr = SkGetPackedR32(c0) - SkGetPackedR32(c1); |
| int dg = SkGetPackedG32(c0) - SkGetPackedG32(c1); |
| int db = SkGetPackedB32(c0) - SkGetPackedB32(c1); |
| return SkPackARGB32(0xFF, SkAbs32(dr), SkAbs32(dg), SkAbs32(db)); |
| } |
| |
| static void compute_diff(const SkBitmap& target, const SkBitmap& base, |
| SkBitmap* diff) { |
| SkAutoLockPixels alp(*diff); |
| |
| const int w = target.width(); |
| const int h = target.height(); |
| for (int y = 0; y < h; y++) { |
| for (int x = 0; x < w; x++) { |
| SkPMColor c0 = *base.getAddr32(x, y); |
| SkPMColor c1 = *target.getAddr32(x, y); |
| SkPMColor d = 0; |
| if (c0 != c1) { |
| d = compute_diff_pmcolor(c0, c1); |
| } |
| *diff->getAddr32(x, y) = d; |
| } |
| } |
| } |
| |
| static bool compare(const SkBitmap& target, const SkBitmap& base, |
| const SkString& name, SkBitmap* diff) { |
| SkBitmap copy; |
| const SkBitmap* bm = ⌖ |
| if (target.config() != SkBitmap::kARGB_8888_Config) { |
| target.copyTo(©, SkBitmap::kARGB_8888_Config); |
| bm = © |
| } |
| |
| force_all_opaque(*bm); |
| |
| const int w = bm->width(); |
| const int h = bm->height(); |
| if (w != base.width() || h != base.height()) { |
| SkDebugf("---- dimensions mismatch for %s base [%d %d] current [%d %d]\n", |
| name.c_str(), base.width(), base.height(), w, h); |
| return false; |
| } |
| |
| SkAutoLockPixels bmLock(*bm); |
| SkAutoLockPixels baseLock(base); |
| |
| for (int y = 0; y < h; y++) { |
| for (int x = 0; x < w; x++) { |
| SkPMColor c0 = *base.getAddr32(x, y); |
| SkPMColor c1 = *bm->getAddr32(x, y); |
| if (c0 != c1) { |
| SkDebugf("----- pixel mismatch for %s at [%d %d] base 0x%08X current 0x%08X\n", |
| name.c_str(), x, y, c0, c1); |
| |
| if (diff) { |
| diff->setConfig(SkBitmap::kARGB_8888_Config, w, h); |
| diff->allocPixels(); |
| compute_diff(*bm, base, diff); |
| } |
| return false; |
| } |
| } |
| } |
| |
| // they're equal |
| return true; |
| } |
| |
| static bool write_pdf(const SkString& path, const SkDynamicMemoryWStream& pdf) { |
| SkFILEWStream stream(path.c_str()); |
| return stream.write(pdf.getStream(), pdf.getOffset()); |
| } |
| |
| enum Backend { |
| kRaster_Backend, |
| kGPU_Backend, |
| kPDF_Backend, |
| }; |
| |
| static const struct { |
| SkBitmap::Config fConfig; |
| Backend fBackend; |
| const char* fName; |
| } gRec[] = { |
| { SkBitmap::kARGB_8888_Config, kRaster_Backend, "8888" }, |
| { SkBitmap::kARGB_4444_Config, kRaster_Backend, "4444" }, |
| { SkBitmap::kRGB_565_Config, kRaster_Backend, "565" }, |
| { SkBitmap::kARGB_8888_Config, kGPU_Backend, "gpu" }, |
| #ifdef SK_SUPPORT_PDF |
| { SkBitmap::kARGB_8888_Config, kPDF_Backend, "pdf" }, |
| #endif |
| }; |
| |
| int main (int argc, char * const argv[]) { |
| SkAutoGraphics ag; |
| |
| const char* writePath = NULL; // if non-null, where we write the originals |
| const char* readPath = NULL; // if non-null, were we read from to compare |
| const char* diffPath = NULL; // if non-null, where we write our diffs (from compare) |
| |
| char* const* stop = argv + argc; |
| for (++argv; argv < stop; ++argv) { |
| if (strcmp(*argv, "-w") == 0) { |
| argv++; |
| if (argv < stop && **argv) { |
| writePath = *argv; |
| } |
| } else if (strcmp(*argv, "-r") == 0) { |
| argv++; |
| if (argv < stop && **argv) { |
| readPath = *argv; |
| } |
| } else if (strcmp(*argv, "-d") == 0) { |
| argv++; |
| if (argv < stop && **argv) { |
| diffPath = *argv; |
| } |
| } |
| } |
| |
| // setup a GL context for drawing offscreen |
| GrContext* context = NULL; |
| SkEGLContext eglContext; |
| if (eglContext.init(1024, 1024)) { |
| context = GrContext::CreateGLShaderContext(); |
| } |
| |
| Iter iter; |
| GM* gm; |
| |
| if (readPath) { |
| fprintf(stderr, "reading from %s\n", readPath); |
| } else if (writePath) { |
| fprintf(stderr, "writing to %s\n", writePath); |
| } |
| |
| while ((gm = iter.next()) != NULL) { |
| SkISize size = gm->getISize(); |
| SkDebugf("drawing... %s [%d %d]\n", gm->shortName(), |
| size.width(), size.height()); |
| |
| SkBitmap bitmap; |
| SkDynamicMemoryWStream pdf; |
| for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) { |
| if (gRec[i].fBackend == kRaster_Backend || |
| gRec[i].fBackend == kGPU_Backend) { |
| bitmap.setConfig(gRec[i].fConfig, size.width(), size.height()); |
| bitmap.allocPixels(); |
| bitmap.eraseColor(0); |
| SkCanvas canvas(bitmap); |
| |
| if (gRec[i].fBackend == kRaster_Backend) { |
| gm->draw(&canvas); |
| } else { // GPU |
| if (NULL == context) { |
| continue; |
| } |
| SkGpuCanvas gc(context, |
| SkGpuDevice::Current3DApiRenderTarget()); |
| gc.setDevice(gc.createDevice(bitmap.config(), |
| bitmap.width(), |
| bitmap.height(), |
| bitmap.isOpaque(), |
| false))->unref(); |
| gm->draw(&gc); |
| gc.readPixels(&bitmap); // overwrite our previous allocation |
| } |
| } |
| // TODO: Figure out a way to compare PDFs. |
| if (gRec[i].fBackend == kPDF_Backend && writePath) { |
| #ifdef SK_SUPPORT_PDF |
| SkISize size = gm->getISize(); |
| SkPDFDevice* dev = new SkPDFDevice(size.width(), size.height()); |
| SkAutoUnref aur(dev); |
| |
| SkCanvas c(dev); |
| gm->draw(&c); |
| |
| SkPDFDocument doc; |
| doc.appendPage(dev); |
| doc.emitPDF(&pdf); |
| #endif |
| } |
| SkString name = make_name(gm->shortName(), gRec[i].fName); |
| |
| if (writePath) { |
| SkString path; |
| bool success; |
| if (gRec[i].fBackend != kPDF_Backend) { |
| path = make_filename(writePath, name, "png"); |
| success = write_bitmap(path, bitmap); |
| } else { |
| path = make_filename(writePath, name, "pdf"); |
| success = write_pdf(path, pdf); |
| } |
| if (!success) |
| fprintf(stderr, "FAILED to write %s\n", path.c_str()); |
| // TODO: Figure out a way to compare PDFs. |
| } else if (readPath && gRec[i].fBackend != kPDF_Backend) { |
| SkString path = make_filename(readPath, name, "png"); |
| SkBitmap orig; |
| bool success = SkImageDecoder::DecodeFile(path.c_str(), &orig, |
| SkBitmap::kARGB_8888_Config, |
| SkImageDecoder::kDecodePixels_Mode, NULL); |
| if (success) { |
| SkBitmap diffBitmap; |
| success = compare(bitmap, orig, name, diffPath ? &diffBitmap : NULL); |
| if (!success && diffPath) { |
| SkString diffName = make_filename(diffPath, name, ".diff.png"); |
| fprintf(stderr, "Writing %s\n", diffName.c_str()); |
| write_bitmap(diffName, diffBitmap); |
| } |
| } else { |
| fprintf(stderr, "FAILED to read %s\n", path.c_str()); |
| } |
| } |
| } |
| SkDELETE(gm); |
| } |
| return 0; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| using namespace skiagm; |
| |
| GM::GM() {} |
| GM::~GM() {} |
| |
| void GM::draw(SkCanvas* canvas) { |
| this->onDraw(canvas); |
| } |
| |
| |
