Refactor GrBufferAllocPools to use resource cache

src/gpu/GrTextureProvider.cpp

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureProvider.h"
 #include "GrTexturePriv.h"
 #include "GrResourceCache.h"
 #include "GrGpu.h"
 
-enum ScratchTextureFlags {
-    kExact_ScratchTextureFlag           = 0x1,
-    kNoPendingIO_ScratchTextureFlag     = 0x2,
-    kNoCreate_ScratchTextureFlag        = 0x4,
-};
-
 GrTexture* GrTextureProvider::createTexture(const GrSurfaceDesc& desc, bool budgeted,
                                             const void* srcData, size_t rowBytes) {
     if (this->isAbandoned()) {
         return NULL;
     }
     if ((desc.fFlags & kRenderTarget_GrSurfaceFlag) &&
         !fGpu->caps()->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) {
         return NULL;
     }
     if (!GrPixelConfigIsCompressed(desc.fConfig)) {
-        static const uint32_t kFlags = kExact_ScratchTextureFlag |
-                                       kNoCreate_ScratchTextureFlag;
+        static const uint32_t kFlags = kExact_ScratchFlag | kNoCreate_ScratchFlag;
         if (GrTexture* texture = this->internalRefScratchTexture(desc, kFlags)) {
             if (!srcData || texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig,
                                                  srcData, rowBytes)) {
                 if (!budgeted) {
                     texture->resourcePriv().makeUnbudgeted();
                 }
                 return texture;
             }
             texture->unref();
         }
     }
     return fGpu->createTexture(desc, budgeted, srcData, rowBytes);
 }
 
-GrTexture* GrTextureProvider::refScratchTexture(const GrSurfaceDesc& desc, ScratchTexMatch match,
+GrTexture* GrTextureProvider::refScratchTexture(const GrSurfaceDesc& desc, ScratchMatch match,
                                                 bool calledDuringFlush) {
     if (this->isAbandoned()) {
         return NULL;
     }
     // Currently we don't recycle compressed textures as scratch.
     if (GrPixelConfigIsCompressed(desc.fConfig)) {
         return NULL;
     } else {
         uint32_t flags = 0;
-        if (kExact_ScratchTexMatch == match) {
-            flags |= kExact_ScratchTextureFlag;
+        if (kExact_ScratchMatch == match) {
+            flags |= kExact_ScratchFlag;
         }
         if (calledDuringFlush) {
-            flags |= kNoPendingIO_ScratchTextureFlag;
+            flags |= kNoPendingIO_ScratchFlag;
         }
         return this->internalRefScratchTexture(desc, flags);
     }
 }
 
 GrTexture* GrTextureProvider::internalRefScratchTexture(const GrSurfaceDesc& inDesc,
                                                         uint32_t flags) {
     SkASSERT(!this->isAbandoned());
     SkASSERT(!GrPixelConfigIsCompressed(inDesc.fConfig));
 
     SkTCopyOnFirstWrite<GrSurfaceDesc> desc(inDesc);
 
     if (fGpu->caps()->reuseScratchTextures() || (desc->fFlags & kRenderTarget_GrSurfaceFlag)) {
-        if (!(kExact_ScratchTextureFlag & flags)) {
+        if (!(kExact_ScratchFlag & flags)) {
             // bin by pow2 with a reasonable min
             static const int MIN_SIZE = 16;
             GrSurfaceDesc* wdesc = desc.writable();
             wdesc->fWidth  = SkTMax(MIN_SIZE, GrNextPow2(desc->fWidth));
             wdesc->fHeight = SkTMax(MIN_SIZE, GrNextPow2(desc->fHeight));
         }
 
         GrScratchKey key;
         GrTexturePriv::ComputeScratchKey(*desc, &key);
         uint32_t scratchFlags = 0;
-        if (kNoPendingIO_ScratchTextureFlag & flags) {
+        if (kNoPendingIO_ScratchFlag & flags) {
             scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag;
         } else  if (!(desc->fFlags & kRenderTarget_GrSurfaceFlag)) {
             // If it is not a render target then it will most likely be populated by
             // writePixels() which will trigger a flush if the texture has pending IO.
             scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
         }
         GrGpuResource* resource = fCache->findAndRefScratchResource(key, scratchFlags);
         if (resource) {
             GrSurface* surface = static_cast<GrSurface*>(resource);
             GrRenderTarget* rt = surface->asRenderTarget();
             if (rt && fGpu->caps()->discardRenderTargetSupport()) {
                 rt->discard();
             }
             return surface->asTexture();
         }
     }
 
-    if (!(kNoCreate_ScratchTextureFlag & flags)) {
+    if (!(kNoCreate_ScratchFlag & flags)) {
         return fGpu->createTexture(*desc, true, NULL, 0);
     }
 
     return NULL;
 }
 
 GrTexture* GrTextureProvider::wrapBackendTexture(const GrBackendTextureDesc& desc) {
     if (this->isAbandoned()) {
         return NULL;
     }
@@ skipping 11 matching lines @@
     resource->resourcePriv().setUniqueKey(key);
 }
 
 bool GrTextureProvider::existsResourceWithUniqueKey(const GrUniqueKey& key) const {
     return this->isAbandoned() ? false : fCache->hasUniqueKey(key);
 }
 
 GrGpuResource* GrTextureProvider::findAndRefResourceByUniqueKey(const GrUniqueKey& key) {
     return this->isAbandoned() ? NULL : fCache->findAndRefUniqueResource(key);
 }