4x4 SSAA with improvements in determination of when to apply. Still disabled at compile time.
Review URL: http://codereview.appspot.com/4445075/
git-svn-id: http://skia.googlecode.com/svn/trunk@1218 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleVertices.cpp b/samplecode/SampleVertices.cpp
index f260e1a..4557cc4 100644
--- a/samplecode/SampleVertices.cpp
+++ b/samplecode/SampleVertices.cpp
@@ -21,11 +21,20 @@
static SkShader* make_shader0(SkIPoint* size) {
SkBitmap bm;
+ size->set(2, 2);
+ bm.setConfig(SkBitmap::kARGB_8888_Config, size->fX, size->fY);
+ SkPMColor color0 = SkPreMultiplyARGB(0x80, 0x80, 0xff, 0x80);
+ SkPMColor color1 = SkPreMultiplyARGB(0x40, 0xff, 0x00, 0xff);
+ bm.allocPixels();
+ bm.eraseColor(color0);
+ bm.lockPixels();
+ uint32_t* pixels = (uint32_t*) bm.getPixels();
+ pixels[0] = pixels[2] = color0;
+ pixels[1] = pixels[3] = color1;
+ bm.unlockPixels();
- SkImageDecoder::DecodeFile("/skimages/logo.png", &bm);
- size->set(bm.width(), bm.height());
- return SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
- SkShader::kClamp_TileMode);
+ return SkShader::CreateBitmapShader(bm, SkShader::kRepeat_TileMode,
+ SkShader::kRepeat_TileMode);
}
static SkShader* make_shader1(const SkIPoint& size) {