Guard SkGpuDevice

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 40da40aca4f6773bf4a978295609b9b80a78112a..e33ea4477c5a3037516931dd4490bd1101e1cbff 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -50,6 +50,9 @@
 
 #if SK_SUPPORT_GPU
 
+#define ASSERT_SINGLE_OWNER \
+    SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fContext->debugSingleOwner());)
+
 enum { kDefaultImageFilterCacheSize = 32 * 1024 * 1024 };
 
 #if 0
@@ -227,6 +230,7 @@ GrRenderTarget* SkGpuDevice::CreateRenderTarget(GrContext* context, SkSurface::B
 
 bool SkGpuDevice::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
                                int x, int y) {
+    ASSERT_SINGLE_OWNER
     DO_DEFERRED_CLEAR();
 
     // TODO: teach fRenderTarget to take ImageInfo directly to specify the src pixels
@@ -245,6 +249,7 @@ bool SkGpuDevice::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size
 
 bool SkGpuDevice::onWritePixels(const SkImageInfo& info, const void* pixels, size_t rowBytes,
                                 int x, int y) {
+    ASSERT_SINGLE_OWNER
     // TODO: teach fRenderTarget to take ImageInfo directly to specify the src pixels
     GrPixelConfig config = SkImageInfo2GrPixelConfig(info);
     if (kUnknown_GrPixelConfig == config) {
@@ -263,11 +268,13 @@ bool SkGpuDevice::onWritePixels(const SkImageInfo& info, const void* pixels, siz
 }
 
 const SkBitmap& SkGpuDevice::onAccessBitmap() {
+    ASSERT_SINGLE_OWNER
     DO_DEFERRED_CLEAR();
     return fLegacyBitmap;
 }
 
 bool SkGpuDevice::onAccessPixels(SkPixmap* pmap) {
+    ASSERT_SINGLE_OWNER
     DO_DEFERRED_CLEAR();
     // For compatibility with clients the know we're backed w/ a bitmap, and want to inspect its
     // genID. When we can hide/remove that fact, we can eliminate this call to notify.
@@ -277,6 +284,7 @@ bool SkGpuDevice::onAccessPixels(SkPixmap* pmap) {
 }
 
 void SkGpuDevice::onAttachToCanvas(SkCanvas* canvas) {
+    ASSERT_SINGLE_OWNER
     INHERITED::onAttachToCanvas(canvas);
 
     // Canvas promises that this ptr is valid until onDetachFromCanvas is called
@@ -284,6 +292,7 @@ void SkGpuDevice::onAttachToCanvas(SkCanvas* canvas) {
 }
 
 void SkGpuDevice::onDetachFromCanvas() {
+    ASSERT_SINGLE_OWNER
     INHERITED::onDetachFromCanvas();
     fClip.reset();
     fClipStack.reset(nullptr);
@@ -292,6 +301,7 @@ void SkGpuDevice::onDetachFromCanvas() {
 // call this every draw call, to ensure that the context reflects our state,
 // and not the state from some other canvas/device
 void SkGpuDevice::prepareDraw(const SkDraw& draw) {
+    ASSERT_SINGLE_OWNER
     SkASSERT(fClipStack.get());
 
     SkASSERT(draw.fClipStack && draw.fClipStack == fClipStack);
@@ -302,11 +312,13 @@ void SkGpuDevice::prepareDraw(const SkDraw& draw) {
 }
 
 GrRenderTarget* SkGpuDevice::accessRenderTarget() {
+    ASSERT_SINGLE_OWNER
     DO_DEFERRED_CLEAR();
     return fRenderTarget;
 }
 
 void SkGpuDevice::clearAll() {
+    ASSERT_SINGLE_OWNER
     GrColor color = 0;
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "clearAll", fContext);
     SkIRect rect = SkIRect::MakeWH(this->width(), this->height());
@@ -315,6 +327,7 @@ void SkGpuDevice::clearAll() {
 }
 
 void SkGpuDevice::replaceRenderTarget(bool shouldRetainContent) {
+    ASSERT_SINGLE_OWNER
     // Caller must have accessed the render target, because it knows the rt must be replaced.
     SkASSERT(!fNeedClear);
 
@@ -354,6 +367,7 @@ void SkGpuDevice::replaceRenderTarget(bool shouldRetainContent) {
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkGpuDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(draw);
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPaint", fContext);
 
@@ -396,6 +410,7 @@ static bool needs_antialiasing(SkCanvas::PointMode mode, size_t count, const SkP
 
 void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
                              size_t count, const SkPoint pts[], const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     CHECK_FOR_ANNOTATION(paint);
     CHECK_SHOULD_DRAW(draw);
 
@@ -446,6 +461,7 @@ void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRect", fContext);
     CHECK_FOR_ANNOTATION(paint);
     CHECK_SHOULD_DRAW(draw);
@@ -492,6 +508,7 @@ void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, const SkPaint
 
 void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
                             const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRRect", fContext);
     CHECK_FOR_ANNOTATION(paint);
     CHECK_SHOULD_DRAW(draw);
@@ -555,6 +572,7 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
 
 void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
                              const SkRRect& inner, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDRRect", fContext);
     CHECK_FOR_ANNOTATION(paint);
     CHECK_SHOULD_DRAW(draw);
@@ -587,6 +605,7 @@ void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
 /////////////////////////////////////////////////////////////////////////////
 
 void SkGpuDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawOval", fContext);
     CHECK_FOR_ANNOTATION(paint);
     CHECK_SHOULD_DRAW(draw);
@@ -631,6 +650,7 @@ static SkBitmap wrap_texture(GrTexture* texture, int width, int height) {
 void SkGpuDevice::drawPath(const SkDraw& draw, const SkPath& origSrcPath,
                            const SkPaint& paint, const SkMatrix* prePathMatrix,
                            bool pathIsMutable) {
+    ASSERT_SINGLE_OWNER
     if (!origSrcPath.isInverseFillType() && !paint.getPathEffect() && !prePathMatrix) {
         bool isClosed;
         SkRect rect;
@@ -723,6 +743,7 @@ bool SkGpuDevice::shouldTileImageID(uint32_t imageID, const SkIRect& imageRect,
                                     int maxTileSize,
                                     int* tileSize,
                                     SkIRect* clippedSubset) const {
+    ASSERT_SINGLE_OWNER
     // if it's larger than the max tile size, then we have no choice but tiling.
     if (imageRect.width() > maxTileSize || imageRect.height() > maxTileSize) {
         determine_clipped_src_rect(fRenderTarget, fClip, viewMatrix, imageRect.size(),
@@ -769,6 +790,7 @@ bool SkGpuDevice::shouldTileBitmap(const SkBitmap& bitmap,
                                    int maxTileSize,
                                    int* tileSize,
                                    SkIRect* clippedSrcRect) const {
+    ASSERT_SINGLE_OWNER
     // if bitmap is explictly texture backed then just use the texture
     if (bitmap.getTexture()) {
         return false;
@@ -781,6 +803,7 @@ bool SkGpuDevice::shouldTileBitmap(const SkBitmap& bitmap,
 bool SkGpuDevice::shouldTileImage(const SkImage* image, const SkRect* srcRectPtr,
                                   SkCanvas::SrcRectConstraint constraint, SkFilterQuality quality,
                                   const SkMatrix& viewMatrix) const {
+    ASSERT_SINGLE_OWNER
     // if image is explictly texture backed then just use the texture
     if (as_IB(image)->peekTexture()) {
         return false;
@@ -815,6 +838,7 @@ void SkGpuDevice::drawBitmap(const SkDraw& origDraw,
                              const SkBitmap& bitmap,
                              const SkMatrix& m,
                              const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(origDraw);
     SkMatrix viewMatrix;
     viewMatrix.setConcat(*origDraw.fMatrix, m);
@@ -915,6 +939,7 @@ void SkGpuDevice::drawTiledBitmap(const SkBitmap& bitmap,
                                   SkCanvas::SrcRectConstraint constraint,
                                   int tileSize,
                                   bool bicubic) {
+    ASSERT_SINGLE_OWNER
     // The following pixel lock is technically redundant, but it is desirable
     // to lock outside of the tile loop to prevent redecoding the whole image
     // at each tile in cases where 'bitmap' holds an SkDiscardablePixelRef that
@@ -1107,6 +1132,7 @@ bool SkGpuDevice::filterTexture(GrContext* context, GrTexture* texture,
                                 const SkImageFilter* filter,
                                 const SkImageFilter::Context& ctx,
                                 SkBitmap* result, SkIPoint* offset) {
+    ASSERT_SINGLE_OWNER
     SkASSERT(filter);
 
     SkImageFilter::DeviceProxy proxy(this);
@@ -1121,6 +1147,7 @@ bool SkGpuDevice::filterTexture(GrContext* context, GrTexture* texture,
 
 void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
                              int left, int top, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     // drawSprite is defined to be in device coords.
     CHECK_SHOULD_DRAW(draw);
 
@@ -1200,6 +1227,7 @@ void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
 void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
                                  const SkRect* src, const SkRect& origDst,
                                  const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
+    ASSERT_SINGLE_OWNER
     if (bitmap.getTexture()) {
         CHECK_SHOULD_DRAW(draw);
         GrBitmapTextureAdjuster adjuster(&bitmap);
@@ -1286,6 +1314,7 @@ void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
 
 void SkGpuDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
                              int x, int y, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     // clear of the source device must occur before CHECK_SHOULD_DRAW
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDevice", fContext);
     SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
@@ -1364,12 +1393,14 @@ void SkGpuDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
 }
 
 bool SkGpuDevice::canHandleImageFilter(const SkImageFilter* filter) {
+    ASSERT_SINGLE_OWNER
     return filter->canFilterImageGPU();
 }
 
 bool SkGpuDevice::filterImage(const SkImageFilter* filter, const SkBitmap& src,
                               const SkImageFilter::Context& ctx,
                               SkBitmap* result, SkIPoint* offset) {
+    ASSERT_SINGLE_OWNER
     // want explicitly our impl, so guard against a subclass of us overriding it
     if (!this->SkGpuDevice::canHandleImageFilter(filter)) {
         return false;
@@ -1394,6 +1425,7 @@ bool SkGpuDevice::filterImage(const SkImageFilter* filter, const SkBitmap& src,
 
 void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
                             const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     SkMatrix viewMatrix = *draw.fMatrix;
     viewMatrix.preTranslate(x, y);
     if (as_IB(image)->peekTexture()) {
@@ -1425,6 +1457,7 @@ void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x
 void SkGpuDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
                                 const SkRect& dst, const SkPaint& paint,
                                 SkCanvas::SrcRectConstraint constraint) {
+    ASSERT_SINGLE_OWNER
     if (as_IB(image)->peekTexture()) {
         CHECK_SHOULD_DRAW(draw);
         GrImageTextureAdjuster adjuster(as_IB(image));
@@ -1492,6 +1525,7 @@ void SkGpuDevice::drawProducerNine(const SkDraw& draw, GrTextureProducer* produc
 
 void SkGpuDevice::drawImageNine(const SkDraw& draw, const SkImage* image,
                                 const SkIRect& center, const SkRect& dst, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     if (as_IB(image)->peekTexture()) {
         GrImageTextureAdjuster adjuster(as_IB(image));
         this->drawProducerNine(draw, &adjuster, center, dst, paint);
@@ -1508,6 +1542,7 @@ void SkGpuDevice::drawImageNine(const SkDraw& draw, const SkImage* image,
 
 void SkGpuDevice::drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
                                  const SkRect& dst, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     if (bitmap.getTexture()) {
         GrBitmapTextureAdjuster adjuster(&bitmap);
         this->drawProducerNine(draw, &adjuster, center, dst, paint);
@@ -1532,6 +1567,7 @@ void SkGpuDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode,
                               SkXfermode* xmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(draw);
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawVertices", fContext);
 
@@ -1659,6 +1695,7 @@ void SkGpuDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode,
 void SkGpuDevice::drawAtlas(const SkDraw& draw, const SkImage* atlas, const SkRSXform xform[],
                             const SkRect texRect[], const SkColor colors[], int count,
                             SkXfermode::Mode mode, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     if (paint.isAntiAlias()) {
         this->INHERITED::drawAtlas(draw, atlas, xform, texRect, colors, count, mode, paint);
         return;
@@ -1691,6 +1728,7 @@ void SkGpuDevice::drawAtlas(const SkDraw& draw, const SkImage* atlas, const SkRS
 void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
                            size_t byteLength, SkScalar x, SkScalar y,
                            const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(draw);
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawText", fContext);
 
@@ -1708,6 +1746,7 @@ void SkGpuDevice::drawText(const SkDraw& draw, const void* text,
 void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text, size_t byteLength,
                               const SkScalar pos[], int scalarsPerPos,
                               const SkPoint& offset, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPosText", fContext);
     CHECK_SHOULD_DRAW(draw);
 
@@ -1725,6 +1764,7 @@ void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text, size_t byteL
 
 void SkGpuDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkScalar x, SkScalar y,
                                const SkPaint& paint, SkDrawFilter* drawFilter) {
+    ASSERT_SINGLE_OWNER
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawTextBlob", fContext);
     CHECK_SHOULD_DRAW(draw);
 
@@ -1741,6 +1781,7 @@ bool SkGpuDevice::onShouldDisableLCD(const SkPaint& paint) const {
 }
 
 void SkGpuDevice::flush() {
+    ASSERT_SINGLE_OWNER
     DO_DEFERRED_CLEAR();
     fRenderTarget->prepareForExternalIO();
 
@@ -1754,6 +1795,7 @@ void SkGpuDevice::flush() {
 ///////////////////////////////////////////////////////////////////////////////
 
 SkBaseDevice* SkGpuDevice::onCreateDevice(const CreateInfo& cinfo, const SkPaint*) {
+    ASSERT_SINGLE_OWNER
     GrSurfaceDesc desc;
     desc.fConfig = fRenderTarget->config();
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
@@ -1786,6 +1828,7 @@ SkBaseDevice* SkGpuDevice::onCreateDevice(const CreateInfo& cinfo, const SkPaint
 }
 
 SkSurface* SkGpuDevice::newSurface(const SkImageInfo& info, const SkSurfaceProps& props) {
+    ASSERT_SINGLE_OWNER
     // TODO: Change the signature of newSurface to take a budgeted parameter.
     static const SkSurface::Budgeted kBudgeted = SkSurface::kNo_Budgeted;
     return SkSurface::NewRenderTarget(fContext, kBudgeted, info, fRenderTarget->desc().fSampleCnt,
@@ -1794,6 +1837,7 @@ SkSurface* SkGpuDevice::newSurface(const SkImageInfo& info, const SkSurfaceProps
 
 bool SkGpuDevice::EXPERIMENTAL_drawPicture(SkCanvas* mainCanvas, const SkPicture* mainPicture,
                                            const SkMatrix* matrix, const SkPaint* paint) {
+    ASSERT_SINGLE_OWNER
 #ifndef SK_IGNORE_GPU_LAYER_HOISTING
     // todo: should handle this natively
     if (paint) {
@@ -1867,6 +1911,7 @@ SkImageFilter::Cache* SkGpuDevice::NewImageFilterCache() {
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
+    ASSERT_SINGLE_OWNER
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkGpuDevice::NewImageFilterCache();