Make GrTextContext be owned by the GrDrawContext

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 "GrAARectRenderer.h"
-#include "GrAtlasTextContext.h"
 #include "GrBatch.h"
 #include "GrBatchFontCache.h"
 #include "GrBatchTarget.h"
 #include "GrBatchTest.h"
 #include "GrCaps.h"
 #include "GrContextOptions.h"
 #include "GrDefaultGeoProcFactory.h"
 #include "GrDrawContext.h"
 #include "GrGpuResource.h"
 #include "GrGpuResourcePriv.h"
 #include "GrGpu.h"
 #include "GrImmediateDrawTarget.h"
 #include "GrIndexBuffer.h"
 #include "GrInOrderDrawBuffer.h"
 #include "GrLayerCache.h"
 #include "GrOvalRenderer.h"
 #include "GrPathRenderer.h"
 #include "GrPathUtils.h"
 #include "GrRenderTargetPriv.h"
 #include "GrResourceCache.h"
 #include "GrResourceProvider.h"
 #include "GrSoftwarePathRenderer.h"
-#include "GrStencilAndCoverTextContext.h"
 #include "GrStrokeInfo.h"
 #include "GrSurfacePriv.h"
 #include "GrTextBlobCache.h"
 #include "GrTexturePriv.h"
 #include "GrTraceMarker.h"
 #include "GrTracing.h"
 #include "GrVertices.h"
 #include "SkDashPathPriv.h"
 #include "SkConfig8888.h"
 #include "SkGr.h"
 #include "SkRRect.h"
 #include "SkStrokeRec.h"
 #include "SkTLazy.h"
 #include "SkTLS.h"
 #include "SkTraceEvent.h"
 
 #include "effects/GrConfigConversionEffect.h"
 #include "effects/GrDashingEffect.h"
 #include "effects/GrSingleTextureEffect.h"
 
 #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this)
 #define RETURN_IF_ABANDONED if (fDrawingMgr.abandoned()) { return; }
 #define RETURN_FALSE_IF_ABANDONED if (fDrawingMgr.abandoned()) { return false; }
 #define RETURN_NULL_IF_ABANDONED if (fDrawingMgr.abandoned()) { return NULL; }
 
 
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrContext::DrawingMgr::init(GrContext* context) {
+    fContext = context;
+
 #ifdef IMMEDIATE_MODE
     fDrawTarget = SkNEW_ARGS(GrImmediateDrawTarget, (context));
 #else
     fDrawTarget = SkNEW_ARGS(GrInOrderDrawBuffer, (context));
 #endif    
+}
 
-    fDrawContext = SkNEW_ARGS(GrDrawContext, (context, fDrawTarget));
+void GrContext::DrawingMgr::cleanup() {
+    SkSafeSetNull(fDrawTarget);
+    for (int i = 0; i < kNumPixelGeometries; ++i) {
+        SkSafeSetNull(fDrawContext[i][0]);
+        SkSafeSetNull(fDrawContext[i][1]);
+    }
 }
 
 GrContext::DrawingMgr::~DrawingMgr() {
-    SkSafeUnref(fDrawTarget);
-    SkSafeUnref(fDrawContext);
+    this->cleanup();
 }
 
 void GrContext::DrawingMgr::abandon() {
     SkSafeSetNull(fDrawTarget);
-    SkSafeSetNull(fDrawContext->fDrawTarget);
-    SkSafeSetNull(fDrawContext);
+    for (int i = 0; i < kNumPixelGeometries; ++i) {
+        for (int j = 0; j < kNumDFTOptions; ++j) {
+            if (fDrawContext[i][j]) {
+                SkSafeSetNull(fDrawContext[i][j]->fDrawTarget);
+                SkSafeSetNull(fDrawContext[i][j]);
+            }
+        }
+    }
 }
 
 void GrContext::DrawingMgr::purgeResources() {
     if (fDrawTarget) {
         fDrawTarget->purgeResources();
     }
 }
 
 void GrContext::DrawingMgr::reset() {
     if (fDrawTarget) {
         fDrawTarget->reset();
     }
 }
 
 void GrContext::DrawingMgr::flush() {
     if (fDrawTarget) {
         fDrawTarget->flush();
     }
 }
 
-GrDrawContext* GrContext::DrawingMgr::drawContext() { 
+GrDrawContext* GrContext::DrawingMgr::drawContext(const SkDeviceProperties* devProps, bool useDFT) { 
     if (this->abandoned()) {
         return NULL;
     }
-    return fDrawContext; 
+
+    const SkDeviceProperties defProps;
+    if (!devProps) {
+        devProps = &defProps;
+    }
+
+    SkASSERT(devProps->pixelGeometry() < kNumPixelGeometries);
+    if (!fDrawContext[devProps->pixelGeometry()][useDFT]) {
+        fDrawContext[devProps->pixelGeometry()][useDFT] =
+                SkNEW_ARGS(GrDrawContext, (fContext, fDrawTarget, *devProps, useDFT));
+    }
+
+    SkASSERT(fDrawContext[devProps->pixelGeometry()][useDFT]->fDevProps->pixelGeometry() ==
+             devProps->pixelGeometry());
+    SkASSERT(fDrawContext[devProps->pixelGeometry()][useDFT]->fDevProps->gamma() == 
+             devProps->gamma());
+    SkASSERT(fDrawContext[devProps->pixelGeometry()][useDFT]->fUseDFT == useDFT);
+
+    return fDrawContext[devProps->pixelGeometry()][useDFT]; 
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 
 GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) {
     GrContextOptions defaultOptions;
     return Create(backend, backendContext, defaultOptions);
 }
 
@@ skipping 60 matching lines @@
 }
 
 GrContext::~GrContext() {
     if (!fGpu) {
         SkASSERT(!fCaps);
         return;
     }
 
     this->flush();
 
+    fDrawingMgr.cleanup();
+
     for (int i = 0; i < fCleanUpData.count(); ++i) {
         (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo);
     }
 
     SkDELETE(fResourceProvider);
     SkDELETE(fResourceCache);
     SkDELETE(fBatchFontCache);
 
     fGpu->unref();
     fCaps->unref();
@@ skipping 41 matching lines @@
 
 void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const {
     if (resourceCount) {
         *resourceCount = fResourceCache->getBudgetedResourceCount();
     }
     if (resourceBytes) {
         *resourceBytes = fResourceCache->getBudgetedResourceBytes();
     }
 }
 
-GrTextContext* GrContext::createTextContext(GrRenderTarget* renderTarget,
-                                            const SkDeviceProperties&
-                                            leakyProperties,
-                                            bool enableDistanceFieldFonts) {
-    if (fGpu->caps()->shaderCaps()->pathRenderingSupport() &&
-        renderTarget->isStencilBufferMultisampled()) {
-        GrStencilAttachment* sb = renderTarget->renderTargetPriv().attachStencilAttachment();
-        if (sb) {
-            return GrStencilAndCoverTextContext::Create(this, leakyProperties);
-        }
-    } 
-
-    return GrAtlasTextContext::Create(this, leakyProperties, enableDistanceFieldFonts);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrContext::OverBudgetCB(void* data) {
     SkASSERT(data);
 
     GrContext* context = reinterpret_cast<GrContext*>(data);
 
     // Flush the InOrderDrawBuffer to possibly free up some textures
     context->fFlushToReduceCacheSize = true;
 }
@@ skipping 471 matching lines @@
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::addGpuTraceMarker(const GrGpuTraceMarker* marker) {
     fGpu->addGpuTraceMarker(marker);
 }
 
 void GrContext::removeGpuTraceMarker(const GrGpuTraceMarker* marker) {
     fGpu->removeGpuTraceMarker(marker);
 }