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-rw-r--r--libs/hwui/CanvasState.cpp284
1 files changed, 0 insertions, 284 deletions
diff --git a/libs/hwui/CanvasState.cpp b/libs/hwui/CanvasState.cpp
deleted file mode 100644
index d18c4abde7f2..000000000000
--- a/libs/hwui/CanvasState.cpp
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "CanvasState.h"
-#include "hwui/Canvas.h"
-#include "utils/MathUtils.h"
-
-namespace android {
-namespace uirenderer {
-
-CanvasState::CanvasState(CanvasStateClient& renderer)
- : mWidth(-1), mHeight(-1), mSaveCount(1), mCanvas(renderer), mSnapshot(&mFirstSnapshot) {}
-
-CanvasState::~CanvasState() {
- // First call freeSnapshot on all but mFirstSnapshot
- // to invoke all the dtors
- freeAllSnapshots();
-
- // Now actually release the memory
- while (mSnapshotPool) {
- void* temp = mSnapshotPool;
- mSnapshotPool = mSnapshotPool->previous;
- free(temp);
- }
-}
-
-void CanvasState::initializeRecordingSaveStack(int viewportWidth, int viewportHeight) {
- if (mWidth != viewportWidth || mHeight != viewportHeight) {
- mWidth = viewportWidth;
- mHeight = viewportHeight;
- mFirstSnapshot.initializeViewport(viewportWidth, viewportHeight);
- mCanvas.onViewportInitialized();
- }
-
- freeAllSnapshots();
- mSnapshot = allocSnapshot(&mFirstSnapshot, SaveFlags::MatrixClip);
- mSnapshot->setRelativeLightCenter(Vector3());
- mSaveCount = 1;
-}
-
-void CanvasState::initializeSaveStack(int viewportWidth, int viewportHeight, float clipLeft,
- float clipTop, float clipRight, float clipBottom,
- const Vector3& lightCenter) {
- if (mWidth != viewportWidth || mHeight != viewportHeight) {
- mWidth = viewportWidth;
- mHeight = viewportHeight;
- mFirstSnapshot.initializeViewport(viewportWidth, viewportHeight);
- mCanvas.onViewportInitialized();
- }
-
- freeAllSnapshots();
- mSnapshot = allocSnapshot(&mFirstSnapshot, SaveFlags::MatrixClip);
- mSnapshot->setClip(clipLeft, clipTop, clipRight, clipBottom);
- mSnapshot->fbo = mCanvas.getTargetFbo();
- mSnapshot->setRelativeLightCenter(lightCenter);
- mSaveCount = 1;
-}
-
-Snapshot* CanvasState::allocSnapshot(Snapshot* previous, int savecount) {
- void* memory;
- if (mSnapshotPool) {
- memory = mSnapshotPool;
- mSnapshotPool = mSnapshotPool->previous;
- mSnapshotPoolCount--;
- } else {
- memory = malloc(sizeof(Snapshot));
- }
- return new (memory) Snapshot(previous, savecount);
-}
-
-void CanvasState::freeSnapshot(Snapshot* snapshot) {
- snapshot->~Snapshot();
- // Arbitrary number, just don't let this grown unbounded
- if (mSnapshotPoolCount > 10) {
- free((void*)snapshot);
- } else {
- snapshot->previous = mSnapshotPool;
- mSnapshotPool = snapshot;
- mSnapshotPoolCount++;
- }
-}
-
-void CanvasState::freeAllSnapshots() {
- while (mSnapshot != &mFirstSnapshot) {
- Snapshot* temp = mSnapshot;
- mSnapshot = mSnapshot->previous;
- freeSnapshot(temp);
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Save (layer)
-///////////////////////////////////////////////////////////////////////////////
-
-/**
- * Guaranteed to save without side-effects
- *
- * This approach, here and in restoreSnapshot(), allows subclasses to directly manipulate the save
- * stack, and ensures restoreToCount() doesn't call back into subclass overrides.
- */
-int CanvasState::saveSnapshot(int flags) {
- mSnapshot = allocSnapshot(mSnapshot, flags);
- return mSaveCount++;
-}
-
-int CanvasState::save(int flags) {
- return saveSnapshot(flags);
-}
-
-/**
- * Guaranteed to restore without side-effects.
- */
-void CanvasState::restoreSnapshot() {
- Snapshot* toRemove = mSnapshot;
- Snapshot* toRestore = mSnapshot->previous;
-
- mSaveCount--;
- mSnapshot = toRestore;
-
- // subclass handles restore implementation
- mCanvas.onSnapshotRestored(*toRemove, *toRestore);
-
- freeSnapshot(toRemove);
-}
-
-void CanvasState::restore() {
- if (mSaveCount > 1) {
- restoreSnapshot();
- }
-}
-
-void CanvasState::restoreToCount(int saveCount) {
- if (saveCount < 1) saveCount = 1;
-
- while (mSaveCount > saveCount) {
- restoreSnapshot();
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Matrix
-///////////////////////////////////////////////////////////////////////////////
-
-void CanvasState::getMatrix(SkMatrix* matrix) const {
- mSnapshot->transform->copyTo(*matrix);
-}
-
-void CanvasState::translate(float dx, float dy, float dz) {
- mSnapshot->transform->translate(dx, dy, dz);
-}
-
-void CanvasState::rotate(float degrees) {
- mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f);
-}
-
-void CanvasState::scale(float sx, float sy) {
- mSnapshot->transform->scale(sx, sy, 1.0f);
-}
-
-void CanvasState::skew(float sx, float sy) {
- mSnapshot->transform->skew(sx, sy);
-}
-
-void CanvasState::setMatrix(const SkMatrix& matrix) {
- mSnapshot->transform->load(matrix);
-}
-
-void CanvasState::setMatrix(const Matrix4& matrix) {
- *(mSnapshot->transform) = matrix;
-}
-
-void CanvasState::concatMatrix(const SkMatrix& matrix) {
- mat4 transform(matrix);
- mSnapshot->transform->multiply(transform);
-}
-
-void CanvasState::concatMatrix(const Matrix4& matrix) {
- mSnapshot->transform->multiply(matrix);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Clip
-///////////////////////////////////////////////////////////////////////////////
-
-bool CanvasState::clipRect(float left, float top, float right, float bottom, SkClipOp op) {
- mSnapshot->clip(Rect(left, top, right, bottom), op);
- return !mSnapshot->clipIsEmpty();
-}
-
-bool CanvasState::clipPath(const SkPath* path, SkClipOp op) {
- mSnapshot->clipPath(*path, op);
- return !mSnapshot->clipIsEmpty();
-}
-
-void CanvasState::setClippingOutline(LinearAllocator& allocator, const Outline* outline) {
- Rect bounds;
- float radius;
- if (!outline->getAsRoundRect(&bounds, &radius)) return; // only RR supported
-
- bool outlineIsRounded = MathUtils::isPositive(radius);
- if (!outlineIsRounded || currentTransform()->isSimple()) {
- // TODO: consider storing this rect separately, so that this can't be replaced with clip ops
- clipRect(bounds.left, bounds.top, bounds.right, bounds.bottom, SkClipOp::kIntersect);
- }
- if (outlineIsRounded) {
- setClippingRoundRect(allocator, bounds, radius, false);
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Quick Rejection
-///////////////////////////////////////////////////////////////////////////////
-
-/**
- * Calculates whether content drawn within the passed bounds would be outside of, or intersect with
- * the clipRect. Does not modify the scissor.
- *
- * @param clipRequired if not null, will be set to true if element intersects clip
- * (and wasn't rejected)
- *
- * @param snapOut if set, the geometry will be treated as having an AA ramp.
- * See Rect::snapGeometryToPixelBoundaries()
- */
-bool CanvasState::calculateQuickRejectForScissor(float left, float top, float right, float bottom,
- bool* clipRequired, bool* roundRectClipRequired,
- bool snapOut) const {
- if (bottom <= top || right <= left) {
- return true;
- }
-
- Rect r(left, top, right, bottom);
- currentTransform()->mapRect(r);
- r.snapGeometryToPixelBoundaries(snapOut);
-
- Rect clipRect(currentRenderTargetClip());
- clipRect.snapToPixelBoundaries();
-
- if (!clipRect.intersects(r)) return true;
-
- // clip is required if geometry intersects clip rect
- if (clipRequired) {
- *clipRequired = !clipRect.contains(r);
- }
-
- // round rect clip is required if RR clip exists, and geometry intersects its corners
- if (roundRectClipRequired) {
- *roundRectClipRequired = mSnapshot->roundRectClipState != nullptr &&
- mSnapshot->roundRectClipState->areaRequiresRoundRectClip(r);
- }
- return false;
-}
-
-bool CanvasState::quickRejectConservative(float left, float top, float right, float bottom) const {
- if (bottom <= top || right <= left) {
- return true;
- }
-
- Rect r(left, top, right, bottom);
- currentTransform()->mapRect(r);
- r.roundOut(); // rounded out to be conservative
-
- Rect clipRect(currentRenderTargetClip());
- clipRect.snapToPixelBoundaries();
-
- if (!clipRect.intersects(r)) return true;
-
- return false;
-}
-
-} // namespace uirenderer
-} // namespace android
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