Revert "Initiate regeneration of mipmaps from proxy DAG land"

This reverts commit fe19203eb7d7e8bef528287494d82c2eb4efff0e.

Reason for revert: Turned a lot of bots red

Original change's description:
> Initiate regeneration of mipmaps from proxy DAG land
> 
> This allows us to resolve all the textures before executing a command
> buffer, rather than interrupting execution as is currently done in the
> GL backend.
> 
> Change-Id: I998546b312d24cf47fc2c837e7c94fbf95571af0
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230636
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

TBR=bsalomon@google.com,robertphillips@google.com,csmartdalton@google.com

Change-Id: Iaa8391b8fbd5a4f851ca41834c1dfeee4be6fedd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/233836
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrRenderTask.cpp b/src/gpu/GrRenderTask.cpp
index 3b572fc..66b6c3e 100644
--- a/src/gpu/GrRenderTask.cpp
+++ b/src/gpu/GrRenderTask.cpp
@@ -24,6 +24,7 @@
         : fTarget(std::move(target))
         , fUniqueID(CreateUniqueID())
         , fFlags(0) {
+    fTarget->setLastRenderTask(this);
 }
 
 GrRenderTask::~GrRenderTask() {
@@ -68,44 +69,13 @@
 }
 
 // Convert from a GrSurface-based dependency to a GrRenderTask one
-void GrRenderTask::addDependency(GrSurfaceProxy* dependedOn, GrMipMapped mipMapped,
-                                 GrTextureResolveManager textureResolveManager,
+void GrRenderTask::addDependency(GrSurfaceProxy* dependedOn, GrMipMapped, GrTextureResolveManager,
                                  const GrCaps& caps) {
-    GrRenderTask* dependedOnTask = dependedOn->getLastRenderTask();
-
-    GrTextureProxy* textureProxy = dependedOn->asTextureProxy();
-    SkASSERT(GrMipMapped::kNo == mipMapped || textureProxy);
-
-    // Does this proxy have mipmaps that need to be regenerated?
-    if (GrMipMapped::kYes == mipMapped && textureProxy->mipMapsAreDirty()) {
-        // We only read our own target during dst reads, and we shouldn't use mipmaps in that case.
-        SkASSERT(dependedOnTask != this);
-
-        // Create an opList that resolves the texture's mipmap data.
-        GrRenderTask* textureResolveTask = textureResolveManager.newTextureResolveRenderTask(
-                sk_ref_sp(textureProxy), GrTextureResolveFlags::kMipMaps, caps);
-
-        // The GrTextureResolveRenderTask factory should have called addDependency (in this
-        // instance, recursively) on the textureProxy.
-        SkASSERT(!dependedOnTask || textureResolveTask->dependsOn(dependedOnTask));
-        SkASSERT(!textureProxy->texPriv().isDeferred() ||
-                 textureResolveTask->fDeferredProxies.back() == textureProxy);
-
-        // The GrTextureResolveRenderTask factory should have also marked the mipmaps clean and set
-        // the last opList on the textureProxy to textureResolveTask.
-        SkASSERT(!textureProxy->mipMapsAreDirty());
-        SkASSERT(textureProxy->getLastRenderTask() == textureResolveTask);
-
-        // Fall through and add textureResolveTask as a dependency of "this".
-        dependedOnTask = textureResolveTask;
-    } else if (textureProxy && textureProxy->texPriv().isDeferred()) {
-        fDeferredProxies.push_back(textureProxy);
-    }
-
-    if (dependedOnTask) {
+    if (dependedOn->getLastRenderTask()) {
         // If it is still receiving dependencies, this GrRenderTask shouldn't be closed
         SkASSERT(!this->isClosed());
 
+        GrRenderTask* dependedOnTask = dependedOn->getLastRenderTask();
         if (dependedOnTask == this) {
             // self-read - presumably for dst reads. We can't make it closed in the self-read case.
         } else {
@@ -117,6 +87,12 @@
             dependedOnTask->makeClosed(caps);
         }
     }
+
+    if (GrTextureProxy* textureProxy = dependedOn->asTextureProxy()) {
+        if (textureProxy->texPriv().isDeferred()) {
+            fDeferredProxies.push_back(textureProxy);
+        }
+    }
 }
 
 bool GrRenderTask::dependsOn(const GrRenderTask* dependedOn) const {