1 files changed, 123 insertions, 0 deletions
diff --git a/chromium/third_party/skia/gm/verylargebitmap.cpp b/chromium/third_party/skia/gm/verylargebitmap.cpp
new file mode 100644
index 00000000000..d3b16e9dc2c
--- /dev/null
+++ b/chromium/third_party/skia/gm/verylargebitmap.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+#include "SkGradientShader.h"
+#include "SkPath.h"
+
+static void make_bm(SkBitmap* bm, int width, int height, SkColor colors[2]) {
+    bm->allocN32Pixels(width, height);
+    SkCanvas canvas(*bm);
+    SkPoint center = {SkIntToScalar(width)/2, SkIntToScalar(height)/2};
+    SkScalar radius = 40;
+    SkShader* shader = SkGradientShader::CreateRadial(center, radius, colors, NULL, 2,
+                                                      SkShader::kMirror_TileMode);
+    SkPaint paint;
+    paint.setShader(shader)->unref();
+    paint.setXfermodeMode(SkXfermode::kSrc_Mode);
+    canvas.drawPaint(paint);
+    bm->setImmutable();
+}
+
+static void show_bm(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
+    SkBitmap bm;
+    make_bm(&bm, width, height, colors);
+
+    SkPaint paint;
+    SkRect r;
+    SkIRect ir;
+
+    paint.setStyle(SkPaint::kStroke_Style);
+
+    ir.set(0, 0, 128, 128);
+    r.set(ir);
+
+    canvas->save();
+    canvas->clipRect(r);
+    canvas->drawBitmap(bm, 0, 0, NULL);
+    canvas->restore();
+    canvas->drawRect(r, paint);
+
+    r.offset(SkIntToScalar(150), 0);
+    // exercises extract bitmap, but not shader
+    canvas->drawBitmapRect(bm, &ir, r, NULL);
+    canvas->drawRect(r, paint);
+
+    r.offset(SkIntToScalar(150), 0);
+    // exercises bitmapshader
+    canvas->drawBitmapRect(bm, NULL, r, NULL);
+    canvas->drawRect(r, paint);
+}
+
+class VeryLargeBitmapGM : public skiagm::GM {
+public:
+    VeryLargeBitmapGM() {}
+
+protected:
+    virtual SkString onShortName() SK_OVERRIDE {
+        return SkString("verylargebitmap");
+    }
+
+    virtual SkISize onISize() SK_OVERRIDE {
+        return SkISize::Make(500, 600);
+    }
+
+    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+        int veryBig = 65*1024; // 64K < size
+        int big = 33*1024;     // 32K < size < 64K
+        // smaller than many max texture sizes, but large enough to gpu-tile for memory reasons.
+        int medium = 5*1024;
+        int small = 150;
+
+        SkColor colors[2];
+
+        canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
+        colors[0] = SK_ColorRED;
+        colors[1] = SK_ColorGREEN;
+        show_bm(canvas, small, small, colors);
+        canvas->translate(0, SkIntToScalar(150));
+
+        colors[0] = SK_ColorBLUE;
+        colors[1] = SK_ColorMAGENTA;
+        show_bm(canvas, big, small, colors);
+        canvas->translate(0, SkIntToScalar(150));
+
+        colors[0] = SK_ColorMAGENTA;
+        colors[1] = SK_ColorYELLOW;
+        show_bm(canvas, medium, medium, colors);
+        canvas->translate(0, SkIntToScalar(150));
+
+        colors[0] = SK_ColorGREEN;
+        colors[1] = SK_ColorYELLOW;
+        // as of this writing, the raster code will fail to draw the scaled version
+        // since it has a 64K limit on x,y coordinates... (but gpu should succeed)
+        show_bm(canvas, veryBig, small, colors);
+    }
+
+    virtual uint32_t onGetFlags() const {
+#ifdef SK_BUILD_FOR_WIN32
+        // The Windows bot runs out of memory in replay modes on this test in 32bit builds:
+        // http://skbug.com/1756
+        return kSkipPicture_Flag            |
+               kSkipPipe_Flag               |
+               kSkipPipeCrossProcess_Flag   |
+               kSkipTiled_Flag              |
+               kSkipScaledReplay_Flag;
+#else
+        return kSkipTiled_Flag;
+#endif
+    }
+
+private:
+    typedef skiagm::GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static skiagm::GM* MyFactory(void*) { return new VeryLargeBitmapGM; }
+static skiagm::GMRegistry reg(MyFactory);