Allow GPU resources to not be counted against the cache budget.

src/gpu/GrGpuResource.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpuResource.h"
 #include "GrResourceCache2.h"
 #include "GrGpu.h"
 
 static inline GrResourceCache2* get_resource_cache2(GrGpu* gpu) {
     SkASSERT(gpu);
     SkASSERT(gpu->getContext());
     SkASSERT(gpu->getContext()->getResourceCache2());
     return gpu->getContext()->getResourceCache2();
 }
 
 GrGpuResource::GrGpuResource(GrGpu* gpu, bool isWrapped)
     : fGpu(gpu)
     , fGpuMemorySize(kInvalidGpuMemorySize)
     , fUniqueID(CreateUniqueID())
-    , fScratchKey(GrResourceKey::NullScratchKey())
-    , fContentKeySet(false) {
+    , fScratchKey(GrResourceKey::NullScratchKey())  {

[egdaniel, 2014/11/13 20:47:31]

extra space

[bsalomon, 2014/11/13 20:53:33]

Done.

     if (isWrapped) {
-        fFlags = kWrapped_FlagBit;
+        fFlags = kWrapped_Flag;
     } else {
-        fFlags = 0;
+        // By default all non-wrapped resources are budgeted.
+        fFlags = kBudgeted_Flag;
     }
+

[egdaniel, 2014/11/13 20:47:32]

Extra \n added

[bsalomon, 2014/11/13 20:53:34]

Done.

 }
 
 void GrGpuResource::registerWithCache() {
     get_resource_cache2(fGpu)->resourceAccess().insertResource(this);
 }
 
 GrGpuResource::~GrGpuResource() {
     // subclass should have released this.
     SkASSERT(this->wasDestroyed());
 }
@@ skipping 46 matching lines @@
 bool GrGpuResource::setContentKey(const GrResourceKey& contentKey) {
     // Currently this can only be called once and can't be called when the resource is scratch.
     SkASSERT(!contentKey.isScratch());
     SkASSERT(this->internalHasRef());
 
     // Wrapped resources can never have a key.
     if (this->isWrapped()) {
         return false;
     }
     
-    if (fContentKeySet) {
+    if (fFlags & kContentKeySet_Flag) {
         return false;
     }
 
     fContentKey = contentKey;
-    fContentKeySet = true;
+    fFlags |= kContentKeySet_Flag;
 
     if (!get_resource_cache2(fGpu)->resourceAccess().didSetContentKey(this)) {
-        fContentKeySet = false;
+        fFlags &= ~kContentKeySet_Flag;
         return false;
     }
     return true;
 }
 
 void GrGpuResource::notifyIsPurgable() const {
     if (!this->wasDestroyed()) {
         get_resource_cache2(fGpu)->resourceAccess().notifyPurgable(this);
     }
 }
 
 void GrGpuResource::setScratchKey(const GrResourceKey& scratchKey) {
     SkASSERT(fScratchKey.isNullScratch());
     SkASSERT(scratchKey.isScratch());
     SkASSERT(!scratchKey.isNullScratch());
     // Wrapped resources can never have a key.
-    if (this->isWrapped()) {
+    if (this->cacheAccess().isWrapped()) {

[bsalomon, 2014/11/13 19:20:54]

This is unnecessary. Will revert before submitting.

         return;
     }
     fScratchKey = scratchKey;
 }
 
 uint32_t GrGpuResource::CreateUniqueID() {
     static int32_t gUniqueID = SK_InvalidUniqueID;
     uint32_t id;
     do {
         id = static_cast<uint32_t>(sk_atomic_inc(&gUniqueID) + 1);
     } while (id == SK_InvalidUniqueID);
     return id;
 }
+
+void GrGpuResource::setBudgeted(bool countsAgainstBudget) {
+    // Wrapped resources never count against the budget, nothing to do. No point in changing the
+    // budgeting of destroyed resources.
+    if (this->isWrapped() || this->wasDestroyed()) {
+        return;
+    }
+
+    uint32_t oldFlags = fFlags;
+    if (countsAgainstBudget) {
+        fFlags |= kBudgeted_Flag;
+    } else {
+        fFlags &= ~kBudgeted_Flag;
+    }
+    if (fFlags != oldFlags) {
+        get_resource_cache2(fGpu)->resourceAccess().didChangeBudgetStatus(this);
+    }
+}