diff options
Diffstat (limited to 'src/core/SkRasterPipeline.cpp')
| -rw-r--r-- | src/core/SkRasterPipeline.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/core/SkRasterPipeline.cpp b/src/core/SkRasterPipeline.cpp index 05fa75f062..a7b25d7ef9 100644 --- a/src/core/SkRasterPipeline.cpp +++ b/src/core/SkRasterPipeline.cpp @@ -6,6 +6,7 @@ */ #include "SkRasterPipeline.h" +#include "SkPM4f.h" SkRasterPipeline::SkRasterPipeline(SkArenaAlloc* alloc) : fAlloc(alloc) { this->reset(); @@ -61,6 +62,43 @@ void SkRasterPipeline::dump() const { SkDebugf("\n"); } +//#define TRACK_COLOR_HISTOGRAM +#ifdef TRACK_COLOR_HISTOGRAM + static int gBlack; + static int gWhite; + static int gColor; + #define INC_BLACK gBlack++ + #define INC_WHITE gWhite++ + #define INC_COLOR gColor++ +#else + #define INC_BLACK + #define INC_WHITE + #define INC_COLOR +#endif + +void SkRasterPipeline::append_uniform_color(SkArenaAlloc* alloc, const SkPM4f& c) { + if (c.r() == 0 && c.g() == 0 && c.b() == 0 && c.a() == 1) { + this->append(black_color); + INC_BLACK; + } else if (c.r() == 1 && c.g() == 1 && c.b() == 1 && c.a() == 1) { + this->append(white_color); + INC_WHITE; + } else { + float* storage = alloc->makeArray<float>(4); + memcpy(storage, c.fVec, 4 * sizeof(float)); + this->append(uniform_color, storage); + INC_COLOR; + } + +#ifdef TRACK_COLOR_HISTOGRAM + SkDebugf("B=%d W=%d C=%d\n", gBlack, gWhite, gColor); +#endif +} + +#undef INC_BLACK +#undef INC_WHITE +#undef INC_COLOR + // It's pretty easy to start with sound premultiplied linear floats, pack those // to sRGB encoded bytes, then read them back to linear floats and find them not // quite premultiplied, with a color channel just a smidge greater than the alpha |