Remove asFragmentProcessor gpu-specific ImageFilter code path

No image filter should be using this code path now.

TBR=reed@google.com

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1892493002

Review URL: https://codereview.chromium.org/1892493002

2 files changed, 6 insertions, 85 deletions

diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index d90e74de77..f8f62f1d84 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -182,7 +182,7 @@ public:
      *  The default implementation returns asFragmentProcessor(NULL, NULL, SkMatrix::I(),
      *  SkIRect()).
      */
-    virtual bool canFilterImageGPU() const;
+    virtual bool canFilterImageGPU() const { return false; }
 
     /**
      *  Process this image filter on the GPU.  This is most often used for
@@ -194,8 +194,11 @@ public:
      *  relative to the src when it is drawn. The default implementation does
      *  single-pass processing using asFragmentProcessor().
      */
-    virtual bool filterImageGPUDeprecated(Proxy*, const SkBitmap& src, const Context&,
-                                          SkBitmap* result, SkIPoint* offset) const;
+    virtual bool filterImageGPUDeprecated(Proxy*, const SkBitmap&, const Context&,
+                                          SkBitmap*, SkIPoint*) const {
+        SkASSERT(false);
+        return false;
+    }
 
 #if SK_SUPPORT_GPU
     static sk_sp<SkSpecialImage> DrawWithFP(GrContext* context, 
@@ -452,24 +455,6 @@ protected:
                                         SkIRect* bounds) const;
 
     /**
-     *  Returns true if the filter can be expressed a single-pass
-     *  GrProcessor, used to process this filter on the GPU, or false if
-     *  not.
-     *
-     *  If effect is non-NULL, a new GrProcessor instance is stored
-     *  in it.  The caller assumes ownership of the stage, and it is up to the
-     *  caller to unref it.
-     *
-     *  The effect can assume its vertexCoords space maps 1-to-1 with texels
-     *  in the texture.  "matrix" is a transformation to apply to filter
-     *  parameters before they are used in the effect. Note that this function
-     *  will be called with (NULL, NULL, SkMatrix::I()) to query for support,
-     *  so returning "true" indicates support for all possible matrices.
-     */
-    virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&,
-                                     const SkIRect& bounds) const;
-
-    /**
      *  Creates a modified Context for use when recursing up the image filter DAG.
      *  The clip bounds are adjusted to accommodate any margins that this
      *  filter requires by calling this node's
diff --git a/src/core/SkImageFilter.cpp b/src/core/SkImageFilter.cpp
index af2b278e3d..43ea6ab6af 100644
--- a/src/core/SkImageFilter.cpp
+++ b/src/core/SkImageFilter.cpp
@@ -393,65 +393,6 @@ sk_sp<SkSpecialImage> SkImageFilter::onFilterImage(SkSpecialImage* src, const Co
     return SkSpecialImage::internal_fromBM(src->internal_getProxy(), resultBM, &src->props());
 }
 
-bool SkImageFilter::canFilterImageGPU() const {
-    return this->asFragmentProcessor(nullptr, nullptr, SkMatrix::I(), SkIRect());
-}
-
-bool SkImageFilter::filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src, const Context& ctx,
-                                             SkBitmap* result, SkIPoint* offset) const {
-#if SK_SUPPORT_GPU
-    SkBitmap input = src;
-    SkASSERT(fInputCount == 1);
-    SkIPoint srcOffset = SkIPoint::Make(0, 0);
-    if (!this->filterInputGPUDeprecated(0, proxy, src, ctx, &input, &srcOffset)) {
-        return false;
-    }
-    GrTexture* srcTexture = input.getTexture();
-    SkIRect bounds;
-    if (!this->applyCropRectDeprecated(ctx, proxy, input, &srcOffset, &bounds, &input)) {
-        return false;
-    }
-    GrContext* context = srcTexture->getContext();
-
-    GrSurfaceDesc desc;
-    desc.fFlags = kRenderTarget_GrSurfaceFlag;
-    desc.fWidth = bounds.width();
-    desc.fHeight = bounds.height();
-    desc.fConfig = kRGBA_8888_GrPixelConfig;
-
-    SkAutoTUnref<GrTexture> dst(context->textureProvider()->createApproxTexture(desc));
-    if (!dst) {
-        return false;
-    }
-
-    GrFragmentProcessor* fp;
-    offset->fX = bounds.left();
-    offset->fY = bounds.top();
-    bounds.offset(-srcOffset);
-    SkMatrix matrix(ctx.ctm());
-    matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
-    GrPaint paint;
-    // SRGBTODO: Don't handle sRGB here, in anticipation of this code path being deleted.
-    if (this->asFragmentProcessor(&fp, srcTexture, matrix, bounds)) {
-        SkASSERT(fp);
-        paint.addColorFragmentProcessor(fp)->unref();
-        paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
-
-        SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
-        if (drawContext) {
-            SkRect srcRect = SkRect::Make(bounds);
-            SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
-            GrClip clip(dstRect);
-            drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
-
-            GrWrapTextureInBitmap(dst, bounds.width(), bounds.height(), false, result);
-            return true;
-        }
-    }
-#endif
-    return false;
-}
-
 #if SK_SUPPORT_GPU
 sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context,
                                                 sk_sp<GrFragmentProcessor> fp,
@@ -620,11 +561,6 @@ SkImageFilter::Context SkImageFilter::mapContext(const Context& ctx) const {
     return Context(ctx.ctm(), clipBounds, ctx.cache());
 }
 
-bool SkImageFilter::asFragmentProcessor(GrFragmentProcessor**, GrTexture*,
-                                        const SkMatrix&, const SkIRect&) const {
-    return false;
-}
-
 sk_sp<SkImageFilter> SkImageFilter::MakeMatrixFilter(const SkMatrix& matrix,
                                                      SkFilterQuality filterQuality,
                                                      sk_sp<SkImageFilter> input) {