Make render task targets be just a proxy.

Change-Id: I09548cc22b13bc0b9b5f77cf1f20c1505a529c51
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/356760
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Adlai Holler <adlai@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrCopyRenderTask.cpp b/src/gpu/GrCopyRenderTask.cpp
index a578451..1481ce8 100644
--- a/src/gpu/GrCopyRenderTask.cpp
+++ b/src/gpu/GrCopyRenderTask.cpp
@@ -12,79 +12,54 @@
 #include "src/gpu/GrResourceAllocator.h"
 
 sk_sp<GrRenderTask> GrCopyRenderTask::Make(GrDrawingManager* drawingMgr,
-                                           GrSurfaceProxyView srcView,
-                                           const SkIRect& srcRect,
-                                           GrSurfaceProxyView dstView,
-                                           const SkIPoint& dstPoint,
+                                           sk_sp<GrSurfaceProxy> src,
+                                           SkIRect srcRect,
+                                           sk_sp<GrSurfaceProxy> dst,
+                                           SkIPoint dstPoint,
                                            const GrCaps* caps) {
-    SkASSERT(dstView.proxy());
-    SkASSERT(srcView.proxy());
-    SkIRect clippedSrcRect;
-    SkIPoint clippedDstPoint;
-    GrSurfaceProxy* srcProxy = srcView.proxy();
-    GrSurfaceProxy* dstProxy = dstView.proxy();
-    // If the rect is outside the srcProxy or dstProxy then we've already succeeded.
-    if (!GrClipSrcRectAndDstPoint(dstProxy->dimensions(), srcProxy->dimensions(), srcRect, dstPoint,
-                                  &clippedSrcRect, &clippedDstPoint)) {
-        return nullptr;
-    }
+    SkASSERT(src);
+    SkASSERT(dst);
 
-    if (caps->isFormatCompressed(dstProxy->backendFormat())) {
-        return nullptr;
-    }
+    // Make sure our caller's values are inside the backing surfaces' bounds.
+    SkASSERT(SkIRect::MakeSize(src->backingStoreDimensions()).contains(srcRect));
+    SkASSERT(SkIRect::MakeSize(dst->backingStoreDimensions()).contains(
+             SkIRect::MakePtSize(dstPoint, srcRect.size())));
 
-    SkASSERT(dstView.origin() == srcView.origin());
-    if (srcView.origin() == kBottomLeft_GrSurfaceOrigin) {
-        int rectHeight = clippedSrcRect.height();
-        clippedSrcRect.fTop = srcProxy->height() - clippedSrcRect.fBottom;
-        clippedSrcRect.fBottom = clippedSrcRect.fTop + rectHeight;
-        clippedDstPoint.fY = dstProxy->height() - clippedDstPoint.fY - rectHeight;
-    }
-
-    sk_sp<GrCopyRenderTask> task(new GrCopyRenderTask(
-            drawingMgr, std::move(srcView), clippedSrcRect, std::move(dstView), clippedDstPoint));
+    sk_sp<GrCopyRenderTask> task(new GrCopyRenderTask(drawingMgr,
+                                                      std::move(src),
+                                                      srcRect,
+                                                      std::move(dst),
+                                                      dstPoint));
     return std::move(task);
 }
 
 GrCopyRenderTask::GrCopyRenderTask(GrDrawingManager* drawingMgr,
-                                   GrSurfaceProxyView srcView,
-                                   const SkIRect& srcRect,
-                                   GrSurfaceProxyView dstView,
-                                   const SkIPoint& dstPoint)
-        : GrRenderTask()
-        , fSrcView(std::move(srcView))
-        , fSrcRect(srcRect)
-        , fDstPoint(dstPoint) {
-    this->addTarget(drawingMgr, dstView);
+                                   sk_sp<GrSurfaceProxy> src,
+                                   SkIRect srcRect,
+                                   sk_sp<GrSurfaceProxy> dst,
+                                   SkIPoint dstPoint)
+        : GrRenderTask(), fSrc(std::move(src)), fSrcRect(srcRect), fDstPoint(dstPoint) {
+    this->addTarget(drawingMgr, std::move(dst));
 }
 
 void GrCopyRenderTask::gatherProxyIntervals(GrResourceAllocator* alloc) const {
     // This renderTask doesn't have "normal" ops. In this case we still need to add an interval (so
     // fEndOfOpsTaskOpIndices will remain in sync), so we create a fake op# to capture the fact that
     // we read fSrcView and copy to target view.
-    alloc->addInterval(fSrcView.proxy(), alloc->curOp(), alloc->curOp(),
+    alloc->addInterval(fSrc.get(), alloc->curOp(), alloc->curOp(),
                        GrResourceAllocator::ActualUse::kYes);
-    alloc->addInterval(this->target(0).proxy(), alloc->curOp(), alloc->curOp(),
+    alloc->addInterval(this->target(0), alloc->curOp(), alloc->curOp(),
                        GrResourceAllocator::ActualUse::kYes);
     alloc->incOps();
 }
 
 bool GrCopyRenderTask::onExecute(GrOpFlushState* flushState) {
-    GrSurfaceProxy* dstProxy = this->target(0).proxy();
-    GrSurfaceProxy* srcProxy = fSrcView.proxy();
-    if (!srcProxy->isInstantiated() || !dstProxy->isInstantiated()) {
+    GrSurfaceProxy* dstProxy = this->target(0);
+    if (!fSrc->isInstantiated() || !dstProxy->isInstantiated()) {
         return false;
     }
-    GrSurface* srcSurface = srcProxy->peekSurface();
+    GrSurface* srcSurface = fSrc->peekSurface();
     GrSurface* dstSurface = dstProxy->peekSurface();
-    if (fSrcView.origin() == kBottomLeft_GrSurfaceOrigin) {
-        if (srcProxy->height() != srcSurface->height()) {
-            fSrcRect.offset(0, srcSurface->height() - srcProxy->height());
-        }
-        if (dstProxy->height() != dstSurface->height()) {
-            fDstPoint.fY = fDstPoint.fY + (dstSurface->height() - dstProxy->height());
-        }
-    }
     return flushState->gpu()->copySurface(dstSurface, srcSurface, fSrcRect, fDstPoint);
 }