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 "GrDistanceFieldTextContext.h"
+#include "GrDrawTargetCaps.h"
 #include "GrGpu.h"
-#include "GrDrawTargetCaps.h"
+#include "GrInOrderDrawBuffer.h"
 #include "GrIndexBuffer.h"
-#include "GrInOrderDrawBuffer.h"
 #include "GrOvalRenderer.h"
 #include "GrPathRenderer.h"
 #include "GrPathUtils.h"
 #include "GrResourceCache.h"
 #include "GrSoftwarePathRenderer.h"
+#include "GrStencilAndCoverTextContext.h"
 #include "GrStencilBuffer.h"
 #include "GrTextStrike.h"
+#include "SkRRect.h"
 #include "SkRTConf.h"
-#include "SkRRect.h"
 #include "SkStrokeRec.h"
+#include "SkTLS.h"
 #include "SkTLazy.h"
-#include "SkTLS.h"
 #include "SkTrace.h"
 
 // It can be useful to set this to false to test whether a bug is caused by using the
 // InOrderDrawBuffer, to compare performance of using/not using InOrderDrawBuffer, or to make
 // debugging simpler.
 SK_CONF_DECLARE(bool, c_Defer, "gpu.deferContext", true,
                 "Defers rendering in GrContext via GrInOrderDrawBuffer.");
 
 #define BUFFERED_DRAW (c_Defer ? kYes_BufferedDraw : kNo_BufferedDraw)
 
@@ skipping 174 matching lines @@
 }
 
 size_t GrContext::getGpuTextureCacheBytes() const {
   return fTextureCache->getCachedResourceBytes();
 }
 
 int GrContext::getGpuTextureCacheResourceCount() const {
   return fTextureCache->getCachedResourceCount();
 }
 
+GrTextContext* GrContext::createTextContext(GrRenderTarget* renderTarget,
+                                            const SkDeviceProperties&
+                                            leakyProperties) {
+    if (fGpu->caps()->pathRenderingSupport()) {
+        if (renderTarget->getStencilBuffer() && renderTarget->isMultisampled()) {
+            return SkNEW_ARGS(GrStencilAndCoverTextContext, (this, leakyProperties));
+        }
+    }
+    return SkNEW_ARGS(GrDistanceFieldTextContext, (this, leakyProperties));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 GrTexture* GrContext::findAndRefTexture(const GrTextureDesc& desc,
                                         const GrCacheID& cacheID,
                                         const GrTextureParams* params) {
     GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID);
     GrResource* resource = fTextureCache->find(resourceKey);
     SkSafeRef(resource);
     return static_cast<GrTexture*>(resource);
 }
@@ skipping 1573 matching lines @@
     }
     return path;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fTextureCache->printStats();
 }
 #endif