Remove EXPERIMENTAL_SHADOWING, Part 1

Bug: skia:6557
Change-Id: I6482d74be7b360c93141a73dd80c67854530c7a1
Reviewed-on: https://skia-review.googlesource.com/15101
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>

1 files changed, 0 insertions, 301 deletions

diff --git a/samplecode/SampleShadowing.cpp b/samplecode/SampleShadowing.cpp
deleted file mode 100644
index 929d62ba7e..0000000000
--- a/samplecode/SampleShadowing.cpp
+++ /dev/null
@@ -1,301 +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 "SampleCode.h"
-#include "SkPictureRecorder.h"
-#include "SkShadowPaintFilterCanvas.h"
-#include "SkShadowShader.h"
-#include "SkSurface.h"
-
-#ifdef SK_EXPERIMENTAL_SHADOWING
-
-class ShadowingView : public SampleView {
-public:
-    ShadowingView()
-        : fSceneChanged(true)
-        , fLightsChanged(true)
-        , fMoveLight(false)
-        , fClearShadowMaps(false)
-        , fSelectedRectID(-1)
-        , fSelectedSliderID(-1)
-        , fLightDepth(400.0f)  {
-        this->setBGColor(0xFFCCCCCC);
-
-        this->updateLights(100, 100);
-
-        fTestRects[0].fColor = 0xFFEE8888;
-        fTestRects[0].fDepth = 80;
-        fTestRects[0].fGeometry = SkRect::MakeLTRB(300,200,350,250);
-
-        fTestRects[1].fColor = 0xFF88EE88;
-        fTestRects[1].fDepth = 160;
-        fTestRects[1].fGeometry = SkRect::MakeLTRB(200,300,250,350);
-
-        fTestRects[2].fColor = 0xFF8888EE;
-        fTestRects[2].fDepth = 240;
-        fTestRects[2].fGeometry = SkRect::MakeLTRB(100,100,150,150);
-
-        fSliders[0].fGeometry = SkRect::MakeLTRB(20, 400, 30, 420);
-        fSliders[0].fOffset = 0.0f;
-        fSliders[0].fScale = 0.1f;
-
-        fSliders[1].fGeometry = SkRect::MakeLTRB(100, 420, 110, 440);
-        fSliders[1].fOffset = 0.0f;
-        fSliders[1].fScale = 10.0f;
-
-        fSliders[2].fGeometry = SkRect::MakeLTRB(0, 440, 10, 460);
-        fSliders[2].fOffset = 0.0f;
-        fSliders[2].fScale = 0.0025f;
-
-        fShadowParams.fShadowRadius = 4.0f;
-        fShadowParams.fBiasingConstant = 0.3f;
-        fShadowParams.fMinVariance = 2048; // we need a higher min variance for point lights
-        fShadowParams.fType = SkShadowParams::kNoBlur_ShadowType;
-    }
-
-protected:
-    bool onQuery(SkEvent *evt) override {
-        if (SampleCode::TitleQ(*evt)) {
-            SampleCode::TitleR(evt, "shadowing");
-            return true;
-        }
-
-        SkUnichar uni;
-        if (SampleCode::CharQ(*evt, &uni)) {
-            switch (uni) {
-                case 'L':
-                    fMoveLight = !fMoveLight;
-                    break;
-                case 'd':
-                    // Raster generated shadow maps have their origin in the UL corner
-                    // GPU shadow maps can have an arbitrary origin.
-                    // We override the 'd' keypress so that when the device is cycled,
-                    // the shadow maps will be re-generated according to the new backend.
-                    fClearShadowMaps = true;
-                    break;
-                case 'q':
-                    fLightDepth += 5.0f;
-                    fMoveLight = true;
-                    break;
-                case 'B':
-                    if (SkShadowParams::kVariance_ShadowType == fShadowParams.fType) {
-                        fShadowParams.fType = SkShadowParams::kNoBlur_ShadowType;
-                    } else if (SkShadowParams::kNoBlur_ShadowType ==
-                               fShadowParams.fType) {
-                        fShadowParams.fType = SkShadowParams::kVariance_ShadowType;
-                    }
-                    fLightsChanged = true;
-                    break;
-                case 'w':
-                    fLightDepth -= 5.0f;
-                    fMoveLight = true;
-                    break;
-                default:
-                    break;
-            }
-        }
-        return this->INHERITED::onQuery(evt);
-    }
-
-    sk_sp<SkPicture> makeTestPicture(int width, int height) {
-        SkPictureRecorder recorder;
-
-        // LONG RANGE TODO: eventually add SkBBHFactory (bounding box factory)
-        SkCanvas* canvas = recorder.beginRecording(SkRect::MakeIWH(width, height));
-
-        SkASSERT(canvas->getTotalMatrix().isIdentity());
-        SkPaint paint;
-        paint.setColor(SK_ColorGRAY);
-
-        // LONG RANGE TODO: tag occluders
-        // LONG RANGE TODO: track number of IDs we need (hopefully less than 256)
-        //                  and determinate the mapping from z to id
-
-        // universal receiver, "ground"
-        canvas->drawRect(SkRect::MakeIWH(width, height), paint);
-
-        for (int i = 0; i < kNumTestRects; i++) {
-            paint.setColor(fTestRects[i].fColor);
-            if (i == 0) {
-                canvas->translateZ(fTestRects[0].fDepth);
-            } else {
-                canvas->translateZ(fTestRects[i].fDepth - fTestRects[i-1].fDepth);
-            }
-            canvas->drawRect(fTestRects[i].fGeometry, paint);
-        }
-
-        return recorder.finishRecordingAsPicture();
-    }
-
-    void onDrawContent(SkCanvas *canvas) override {
-        if (fSceneChanged) {
-            fPicture = this->makeTestPicture(kWidth, kHeight);
-        }
-
-        if (fSceneChanged || fLightsChanged || fClearShadowMaps) {
-            for (int i = 0; i < fLights->numLights(); i++) {
-                fLights->light(i).setShadowMap(nullptr);
-            }
-
-            fSceneChanged = false;
-            fLightsChanged = false;
-            fClearShadowMaps = false;
-        }
-
-        canvas->setLights(fLights);
-        canvas->drawShadowedPicture(fPicture, nullptr, nullptr, fShadowParams);
-
-        for (int i = 0; i < kNumSliders; i++) {
-            SkPaint paint;
-            paint.setColor(SK_ColorBLACK);
-            canvas->drawRect(fSliders[i].fGeometry, paint);
-        }
-    }
-
-    SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) override {
-        return new SkView::Click(this);
-    }
-
-    void updateLights(int x, int y) {
-        SkLights::Builder builder;
-        builder.add(SkLights::Light::MakePoint(SkColor3f::Make(1.0f, 1.0f, 1.0f),
-                                               SkVector3::Make(x,
-                                                               kHeight - y,
-                                                               fLightDepth),
-                                               400, true));
-        fLights = builder.finish();
-    }
-
-    void updateFromSelectedSlider() {
-        SkScalar newValue = fSliders[fSelectedSliderID].fGeometry.fLeft *
-                            fSliders[fSelectedSliderID].fScale +
-                            fSliders[fSelectedSliderID].fOffset;
-
-        switch (fSelectedSliderID) {
-            case 0:
-                fShadowParams.fShadowRadius = newValue;
-                break;
-            case 1:
-                fShadowParams.fMinVariance = newValue;
-                break;
-            case 2:
-                fShadowParams.fBiasingConstant = newValue;
-                break;
-            default:
-                break;
-        }
-    }
-
-    bool onClick(Click *click) override {
-        SkScalar x = click->fCurr.fX;
-        SkScalar y = click->fCurr.fY;
-
-        SkScalar dx = x - click->fPrev.fX;
-        SkScalar dy = y - click->fPrev.fY;
-
-        if (fMoveLight) {
-            if (dx != 0 || dy != 0) {
-                this->updateLights(x, y);
-                fLightsChanged = true;
-                this->inval(nullptr);
-            }
-            return true;
-        }
-
-        if (click->fState == Click::State::kUp_State) {
-            fSelectedRectID = -1;
-            fSelectedSliderID = -1;
-            return true;
-        }
-
-        if (fSelectedRectID > -1) {
-            fTestRects[fSelectedRectID].fGeometry.offset(dx, dy);
-
-            fSceneChanged = true;
-            this->inval(nullptr);
-            return true;
-        }
-
-        if (fSelectedSliderID > -1) {
-            fSliders[fSelectedSliderID].fGeometry.offset(dx, 0);
-
-            this->updateFromSelectedSlider();
-
-            fLightsChanged = true;
-            this->inval(nullptr);
-            return true;
-        }
-
-        // assume last elements are highest
-        for (int i = kNumTestRects - 1; i >= 0; i--) {
-            if (fTestRects[i].fGeometry.contains(SkRect::MakeXYWH(x, y, 1, 1))) {
-                fSelectedRectID = i;
-                fTestRects[i].fGeometry.offset(dx, dy);
-
-                fSceneChanged = true;
-                this->inval(nullptr);
-                break;
-            }
-        }
-
-        for (int i = 0; i <= kNumSliders; i++) {
-            if (fSliders[i].fGeometry.contains(SkRect::MakeXYWH(x, y, 1, 1))) {
-                fSelectedSliderID = i;
-                fSliders[i].fGeometry.offset(dx, 0);
-
-                this->updateFromSelectedSlider();
-
-                fLightsChanged = true;
-
-                this->inval(nullptr);
-                break;
-            }
-        }
-
-        return true;
-    }
-
-private:
-    static constexpr int kNumTestRects = 3;
-    static constexpr int kNumSliders = 3;
-
-    static const int kWidth = 400;
-    static const int kHeight = 400;
-
-    bool fSceneChanged;
-    bool fLightsChanged;
-    bool fMoveLight;
-    bool fClearShadowMaps;
-
-    struct {
-        SkRect  fGeometry;
-        int     fDepth;
-        SkColor fColor;
-    } fTestRects[kNumTestRects];
-    int fSelectedRectID;
-
-    struct {
-        SkRect   fGeometry;
-        SkScalar fOffset;
-        SkScalar fScale;
-    } fSliders[kNumSliders];
-    int fSelectedSliderID;
-
-    SkScalar fLightDepth;
-
-    sk_sp<SkPicture> fPicture;
-    SkShadowParams fShadowParams;
-    sk_sp<SkLights> fLights;
-
-    typedef SampleView INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-static SkView* MyFactory() { return new ShadowingView; }
-static SkViewRegister reg(MyFactory);
-
-#endif