Implement text rendering with NVPR

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"
 
 #include "effects/GrSingleTextureEffect.h"
 #include "effects/GrConfigConversionEffect.h"
 
 #include "GrAARectRenderer.h"
 #include "GrBufferAllocPool.h"
 #include "GrGpu.h"
+#include "GrDistanceFieldTextContext.h"
 #include "GrDrawTargetCaps.h"
 #include "GrIndexBuffer.h"
 #include "GrInOrderDrawBuffer.h"
 #include "GrLayerCache.h"
 #include "GrOvalRenderer.h"
 #include "GrPathRenderer.h"
 #include "GrPathUtils.h"
 #include "GrResourceCache.h"
 #include "GrSoftwarePathRenderer.h"
 #include "GrStencilBuffer.h"
+#include "GrStencilAndCoverTextContext.h"
 #include "GrTextStrike.h"
 #include "GrTracing.h"
 #include "SkGr.h"
 #include "SkRTConf.h"
 #include "SkRRect.h"
 #include "SkStrokeRec.h"
 #include "SkTLazy.h"
 #include "SkTLS.h"
 #include "SkTraceEvent.h"
 
@@ skipping 187 matching lines @@
 
 void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const {
   if (NULL != resourceCount) {
     *resourceCount = fResourceCache->getCachedResourceCount();
   }
   if (NULL != resourceBytes) {
     *resourceBytes = fResourceCache->getCachedResourceBytes();
   }
 }
 
+GrTextContext* GrContext::createTextContext(GrRenderTarget* renderTarget,
+                                            const SkDeviceProperties&
+                                            leakyProperties,
+                                            bool enableDistanceFieldFonts) {
+    if (fGpu->caps()->pathRenderingSupport()) {
+        if (renderTarget->getStencilBuffer() && renderTarget->isMultisampled()) {
+            return SkNEW_ARGS(GrStencilAndCoverTextContext, (this, leakyProperties));
+        }
+    }
+    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);
     GrCacheable* resource = fResourceCache->find(resourceKey);
     SkSafeRef(resource);
     return static_cast<GrTexture*>(resource);
 }
@@ skipping 1593 matching lines @@
     SkSafeRef(resource);
     return resource;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fResourceCache->printStats();
 }
 #endif