specialize D32 proc for legacy src

lots of dead-code removal

Bug: skia:
Change-Id: I23ea25eb38855b4776e97fa8ff777d9744baab1d
Reviewed-on: https://skia-review.googlesource.com/19147
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 0 insertions, 203 deletions

diff --git a/gm/SkLinearBitmapPipelineGM.cpp b/gm/SkLinearBitmapPipelineGM.cpp
deleted file mode 100644
index 87566ad43e..0000000000
--- a/gm/SkLinearBitmapPipelineGM.cpp
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright 2016 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 "SkArenaAlloc.h"
-#include "SkBlitter.h"
-#include "SkCanvas.h"
-#include "SkColor.h"
-#include "SkImage.h"
-#include "SkImageInfo.h"
-#include "SkLinearBitmapPipeline.h"
-#include "SkXfermodePriv.h"
-#include "SkPM4fPriv.h"
-#include "SkShaderBase.h"
-
-static void fill_in_bits(SkBitmap& bm, SkIRect ir, SkColor c, bool premul) {
-    bm.allocN32Pixels(ir.width(), ir.height());
-    SkPixmap pm;
-    bm.peekPixels(&pm);
-
-    SkPMColor b = SkColorSetARGBMacro(255, 0, 0, 0);
-    SkPMColor w;
-    if (premul) {
-        w = SkPreMultiplyColor(c);
-    } else {
-        w = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), SkColorGetG(c), SkColorGetB(c));
-    }
-
-    for (int y = 0; y < ir.height(); y++) {
-        for (int x = 0; x < ir.width(); x++) {
-            if ((x ^ y)  & 16) {
-                *pm.writable_addr32(x, y) = b;
-            } else {
-                *pm.writable_addr32(x, y) = w;
-            }
-        }
-    }
-}
-
-static void draw_rect_orig(SkCanvas* canvas, const SkRect& r, SkColor c, const SkMatrix* mat, bool useBilerp) {
-    const SkIRect ir = r.round();
-
-    SkBitmap bmsrc;
-    fill_in_bits(bmsrc, ir, c, true);
-
-    SkPixmap pmsrc;
-    bmsrc.peekPixels(&pmsrc);
-
-    SkBitmap bmdst;
-    bmdst.allocN32Pixels(ir.width(), ir.height());
-    bmdst.eraseColor(0xFFFFFFFF);
-    SkPixmap pmdst;
-    bmdst.peekPixels(&pmdst);
-
-    SkImageInfo info = SkImageInfo::MakeN32Premul(ir.width(), ir.height());
-
-    sk_sp<SkImage> image(SkImage::MakeRasterCopy(SkPixmap(info, pmsrc.addr32(), pmsrc.rowBytes())));
-    SkPaint paint;
-    SkArenaAlloc alloc{0};
-
-    sk_sp<SkShader> shader = image->makeShader(SkShader::kRepeat_TileMode,
-                                               SkShader::kRepeat_TileMode);
-
-    if (useBilerp) {
-        paint.setFilterQuality(SkFilterQuality::kLow_SkFilterQuality);
-    } else {
-        paint.setFilterQuality(SkFilterQuality::kNone_SkFilterQuality);
-    }
-    paint.setShader(std::move(shader));
-    const SkShaderBase::ContextRec rec(paint, *mat, nullptr,
-                                       SkBlitter::PreferredShaderDest(pmsrc.info()),
-                                       canvas->imageInfo().colorSpace());
-
-    SkShaderBase::Context* ctx = as_SB(paint.getShader())->makeContext(rec, &alloc);
-
-    for (int y = 0; y < ir.height(); y++) {
-        ctx->shadeSpan(0, y, pmdst.writable_addr32(0, y), ir.width());
-    }
-
-    canvas->drawBitmap(bmdst, r.left(), r.top(), nullptr);
-}
-
-static void draw_rect_fp(SkCanvas* canvas, const SkRect& r, SkColor c, const SkMatrix* mat, bool useBilerp) {
-    const SkIRect ir = r.round();
-
-    SkBitmap bmsrc;
-    fill_in_bits(bmsrc, ir, c, true);
-    SkPixmap pmsrc;
-    bmsrc.peekPixels(&pmsrc);
-
-    SkBitmap bmdst;
-    bmdst.allocN32Pixels(ir.width(), ir.height());
-    bmdst.eraseColor(0xFFFFFFFF);
-    SkPixmap pmdst;
-    bmdst.peekPixels(&pmdst);
-
-    SkPM4f* dstBits = new SkPM4f[ir.width()];
-
-    SkMatrix inv;
-    bool trash = mat->invert(&inv);
-    sk_ignore_unused_variable(trash);
-
-    SkFilterQuality filterQuality;
-    if (useBilerp) {
-        filterQuality = SkFilterQuality::kLow_SkFilterQuality;
-    } else {
-        filterQuality = SkFilterQuality::kNone_SkFilterQuality;
-    }
-
-    uint32_t flags = 0;
-    auto procN = SkXfermode::GetD32Proc(SkBlendMode::kSrcOver, flags);
-
-    SkSTArenaAlloc<512> allocator;
-    SkLinearBitmapPipeline pipeline{
-            inv, filterQuality,
-            SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode,
-            SK_ColorBLACK, pmsrc, &allocator};
-
-    for (int y = 0; y < ir.height(); y++) {
-        pipeline.shadeSpan4f(0, y, dstBits, ir.width());
-        procN(SkBlendMode::kSrcOver, pmdst.writable_addr32(0, y), dstBits, ir.width(), nullptr);
-    }
-
-    delete [] dstBits;
-
-    canvas->drawBitmap(bmdst, r.left(), r.top(), nullptr);
-}
-
-static void draw_rect_none(SkCanvas* canvas, const SkRect& r, SkColor c) {
-    const SkIRect ir = r.round();
-
-    SkBitmap bm;
-    fill_in_bits(bm, ir, c, true);
-
-    canvas->drawBitmap(bm, r.left(), r.top(), nullptr);
-}
-
-/*
- *  Test SkXfer4fProcs directly for src-over, comparing them to current SkColor blits.
- */
-DEF_SIMPLE_GM(linear_pipeline, canvas, 580, 2200) {
-    const int IW = 50;
-    const SkScalar W = IW;
-    const SkScalar H = 100;
-
-    const SkColor colors[] = {
-        0x880000FF, 0x8800FF00, 0x88FF0000, 0x88000000,
-        SK_ColorBLUE, SK_ColorGREEN, SK_ColorRED, SK_ColorBLACK,
-    };
-
-    canvas->translate(20, 20);
-
-    SkMatrix mi = SkMatrix::I();
-    SkMatrix mlr;
-    mlr.setScale(-1.0f, 1.0f, 20, 0.0f);
-    SkMatrix mt;
-    mt.setTranslate(8, 8);
-    SkMatrix mt2;
-    mt2.setTranslate(-18, -18);
-    SkMatrix ms;
-    ms.setScale(2.7f, 2.7f, -1.5f, 0);
-    SkMatrix ms2;
-    ms2.setScale(-0.4f, 0.4f);
-    SkMatrix mr;
-    mr.setRotate(10);
-
-    const SkMatrix* mats[] = {nullptr, &mi, &mlr, &mt, &mt2, &ms, &ms2, &mr};
-
-    const SkRect r = SkRect::MakeWH(W, H);
-    bool useBilerp = false;
-    while (true) {
-        canvas->save();
-        for (auto mat : mats) {
-            canvas->save();
-            for (SkColor c : colors) {
-                if (mat == nullptr) {
-                    SkPaint p;
-                    p.setColor(c);
-                    draw_rect_none(canvas, r, c);
-                    canvas->translate(W + 20, 0);
-                    draw_rect_none(canvas, r, c);
-
-                } else {
-                    draw_rect_orig(canvas, r, c, mat, useBilerp);
-                    canvas->translate(W + 20, 0);
-                    draw_rect_fp(canvas, r, c, mat, useBilerp);
-                }
-                canvas->translate(W + 20, 0);
-            }
-            canvas->restore();
-            canvas->translate(0, H + 20);
-        }
-        canvas->restore();
-        canvas->translate(0, (H + 20) * SK_ARRAY_COUNT(mats));
-        if (useBilerp) break;
-        useBilerp = true;
-    }
-}