Make "priv" classes for GrTexure and GrSurface.

src/gpu/GrContext.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 "GrContext.h"
@@ skipping 12 matching lines @@
 #include "GrLayerCache.h"
 #include "GrOvalRenderer.h"
 #include "GrPathRenderer.h"
 #include "GrPathUtils.h"
 #include "GrResourceCache.h"
 #include "GrResourceCache2.h"
 #include "GrSoftwarePathRenderer.h"
 #include "GrStencilBuffer.h"
 #include "GrStencilAndCoverTextContext.h"
 #include "GrStrokeInfo.h"
+#include "GrSurfacePriv.h"
 #include "GrTextStrike.h"
+#include "GrTexturePriv.h"
 #include "GrTraceMarker.h"
 #include "GrTracing.h"
 #include "SkDashPathPriv.h"
 #include "SkGr.h"
 #include "SkRTConf.h"
 #include "SkRRect.h"
 #include "SkStrokeRec.h"
 #include "SkTLazy.h"
 #include "SkTLS.h"
 #include "SkTraceEvent.h"
@@ skipping 17 matching lines @@
 static const size_t MAX_RESOURCE_CACHE_BYTES = GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT * 1024 * 1024;
 
 static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15;
 static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4;
 
 static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11;
 static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4;
 
 #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this)
 
+GrTexture* GrAutoScratchTexture::detach() {
+    if (NULL == fTexture) {
+        return NULL;
+    }
+    GrTexture* texture = fTexture;
+    fTexture = NULL;
+
+    // This GrAutoScratchTexture has a ref from lockAndRefScratchTexture, which we give up now.
+    // The cache also has a ref which we are lending to the caller of detach(). When the caller
+    // lets go of the ref and the ref count goes to 0 internal_dispose will see this flag is
+    // set and re-ref the texture, thereby restoring the cache's ref.
+    SkASSERT(!texture->unique());
+    texture->texturePriv().setFlag((GrTextureFlags) GrTexture::kReturnToCache_FlagBit);
+    texture->unref();
+    SkASSERT(texture->getCacheEntry());
+
+    return texture;
+}
+
 // Glorified typedef to avoid including GrDrawState.h in GrContext.h
 class GrContext::AutoRestoreEffects : public GrDrawState::AutoRestoreEffects {};
 
 class GrContext::AutoCheckFlush {
 public:
     AutoCheckFlush(GrContext* context) : fContext(context) { SkASSERT(context); }
 
     ~AutoCheckFlush() {
         if (fContext->fFlushToReduceCacheSize) {
             fContext->flush();
@@ skipping 174 matching lines @@
     }
     return SkNEW_ARGS(GrDistanceFieldTextContext, (this, leakyProperties,
                                                    enableDistanceFieldFonts));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrTexture* GrContext::findAndRefTexture(const GrTextureDesc& desc,
                                         const GrCacheID& cacheID,
                                         const GrTextureParams* params) {
-    GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, cacheID);
+    GrResourceKey resourceKey = GrTexturePriv::ComputeKey(fGpu, params, desc, cacheID);
     GrGpuResource* resource = fResourceCache->find(resourceKey);
     SkSafeRef(resource);
     return static_cast<GrTexture*>(resource);
 }
 
 bool GrContext::isTextureInCache(const GrTextureDesc& desc,
                                  const GrCacheID& cacheID,
                                  const GrTextureParams* params) const {
-    GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, cacheID);
+    GrResourceKey resourceKey = GrTexturePriv::ComputeKey(fGpu, params, desc, cacheID);
     return fResourceCache->hasKey(resourceKey);
 }
 
 void GrContext::addStencilBuffer(GrStencilBuffer* sb) {
     ASSERT_OWNED_RESOURCE(sb);
 
     GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(),
                                                             sb->height(),
                                                             sb->numSamples());
     fResourceCache->addResource(resourceKey, sb);
@@ skipping 118 matching lines @@
 
     return texture;
 }
 
 GrTexture* GrContext::createTexture(const GrTextureParams* params,
                                     const GrTextureDesc& desc,
                                     const GrCacheID& cacheID,
                                     const void* srcData,
                                     size_t rowBytes,
                                     GrResourceKey* cacheKey) {
-    GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, cacheID);
+    GrResourceKey resourceKey = GrTexturePriv::ComputeKey(fGpu, params, desc, cacheID);
 
     GrTexture* texture;
-    if (GrTextureImpl::NeedsResizing(resourceKey)) {
+    if (GrTexturePriv::NeedsResizing(resourceKey)) {
         // We do not know how to resize compressed textures.
         SkASSERT(!GrPixelConfigIsCompressed(desc.fConfig));
 
         texture = this->createResizedTexture(desc, cacheID,
                                              srcData, rowBytes,
-                                             GrTextureImpl::NeedsBilerp(resourceKey));
+                                             GrTexturePriv::NeedsBilerp(resourceKey));
     } else {
         texture = fGpu->createTexture(desc, srcData, rowBytes);
     }
 
     if (texture) {
         // Adding a resource could put us overbudget. Try to free up the
         // necessary space before adding it.
         fResourceCache->purgeAsNeeded(1, texture->gpuMemorySize());
         fResourceCache->addResource(resourceKey, texture);
 
         if (cacheKey) {
             *cacheKey = resourceKey;
         }
     }
 
     return texture;
 }
 
 static GrTexture* create_scratch_texture(GrGpu* gpu,
                                          GrResourceCache* resourceCache,
                                          const GrTextureDesc& desc) {
     GrTexture* texture = gpu->createTexture(desc, NULL, 0);
     if (texture) {
-        GrResourceKey key = GrTextureImpl::ComputeScratchKey(texture->desc());
+        GrResourceKey key = GrTexturePriv::ComputeScratchKey(texture->desc());
         // Adding a resource could put us overbudget. Try to free up the
         // necessary space before adding it.
         resourceCache->purgeAsNeeded(1, texture->gpuMemorySize());
         // Make the resource exclusive so future 'find' calls don't return it
         resourceCache->addResource(key, texture, GrResourceCache::kHide_OwnershipFlag);
     }
     return texture;
 }
 
 GrTexture* GrContext::lockAndRefScratchTexture(const GrTextureDesc& inDesc, ScratchTexMatch match) {
@@ skipping 19 matching lines @@
         static const int MIN_SIZE = 16;
         desc.fWidth  = SkTMax(MIN_SIZE, GrNextPow2(desc.fWidth));
         desc.fHeight = SkTMax(MIN_SIZE, GrNextPow2(desc.fHeight));
     }
 
     GrGpuResource* resource = NULL;
     int origWidth = desc.fWidth;
     int origHeight = desc.fHeight;
 
     do {
-        GrResourceKey key = GrTextureImpl::ComputeScratchKey(desc);
+        GrResourceKey key = GrTexturePriv::ComputeScratchKey(desc);
         // Ensure we have exclusive access to the texture so future 'find' calls don't return it
         resource = fResourceCache->find(key, GrResourceCache::kHide_OwnershipFlag);
         if (resource) {
             resource->ref();
             break;
         }
         if (kExact_ScratchTexMatch == match) {
             break;
         }
         // We had a cache miss and we are in approx mode, relax the fit of the flags.
@@ skipping 74 matching lines @@
             // reusing scratch textures (in this code path) it would just be
             // wasting time sitting in the cache.
             fResourceCache->makeNonExclusive(texture->getCacheEntry());
             fResourceCache->deleteResource(texture->getCacheEntry());
         } else {
             // In this case (there is still a non-cache ref) but we don't really
             // want to readd it to the cache (since it will never be reused).
             // Instead, give up the cache's ref and leave the decision up to
             // addExistingTextureToCache once its ref count reaches 0. For
             // this to work we need to leave it in the exclusive list.
-            texture->impl()->setFlag((GrTextureFlags) GrTextureImpl::kReturnToCache_FlagBit);
+            texture->texturePriv().setFlag((GrTextureFlags) GrTexture::kReturnToCache_FlagBit);
             // Give up the cache's ref to the texture
             texture->unref();
         }
     }
 }
 
 void GrContext::purgeCache() {
     if (fResourceCache) {
         fResourceCache->purgeAsNeeded();
     }
@@ skipping 748 matching lines @@
     if ((kUnpremul_PixelOpsFlag & flags) || !fGpu->canWriteTexturePixels(texture, config)) {
         if (texture->asRenderTarget()) {
             return this->writeRenderTargetPixels(texture->asRenderTarget(),
                                                  left, top, width, height,
                                                  config, buffer, rowBytes, flags);
         } else {
             return false;
         }
     }
 
-    if (!(kDontFlush_PixelOpsFlag & flags) && texture->hasPendingIO()) {
+    if (!(kDontFlush_PixelOpsFlag & flags) && texture->surfacePriv().hasPendingIO()) {
         this->flush();
     }
 
     return fGpu->writeTexturePixels(texture, left, top, width, height,
                                     config, buffer, rowBytes);
 }
 
 bool GrContext::readTexturePixels(GrTexture* texture,
                                   int left, int top, int width, int height,
                                   GrPixelConfig config, void* buffer, size_t rowBytes,
@@ skipping 50 matching lines @@
                                        uint32_t flags) {
     ASSERT_OWNED_RESOURCE(target);
 
     if (NULL == target) {
         target = fRenderTarget.get();
         if (NULL == target) {
             return false;
         }
     }
 
-    if (!(kDontFlush_PixelOpsFlag & flags) && target->hasPendingWrite()) {
+    if (!(kDontFlush_PixelOpsFlag & flags) && target->surfacePriv().hasPendingWrite()) {
         this->flush();
     }
 
     // Determine which conversions have to be applied: flipY, swapRAnd, and/or unpremul.
 
     // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll
     // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read.
     bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top,
                                                  width, height, dstConfig,
                                                  rowBytes);
@@ skipping 501 matching lines @@
     fResourceCache->printStats();
 }
 #endif
 
 #if GR_GPU_STATS
 const GrContext::GPUStats* GrContext::gpuStats() const {
     return fGpu->gpuStats();
 }
 #endif