Remove GrClipTarget

src/gpu/GrClipMaskManager.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrClipMaskManager.h"
 #include "GrCaps.h"
 #include "GrDrawContext.h"
@@ skipping 58 matching lines @@
     // last (false) parameter disallows use of the SW path renderer
     GrPathRendererChain::DrawType type = doAA ?
                                          GrPathRendererChain::kColorAntiAlias_DrawType :
                                          GrPathRendererChain::kColor_DrawType;
 
     return nullptr == context->getPathRenderer(gpu, &pipelineBuilder, viewMatrix, *path, stroke,
                                             false, type);
 }
 }
 
-GrClipMaskManager::GrClipMaskManager(GrClipTarget* clipTarget)
+GrClipMaskManager::GrClipMaskManager(GrDrawTarget* drawTarget)
     : fCurrClipMaskType(kNone_ClipMaskType)
-    , fAACache(clipTarget->getContext()->resourceProvider())
-    , fClipTarget(clipTarget)
+    , fAACache(drawTarget->cmmAccess().resourceProvider())
+    , fDrawTarget(drawTarget)
     , fClipMode(kIgnoreClip_StencilClipMode) {
 }
 
-GrContext* GrClipMaskManager::getContext() { return fClipTarget->getContext(); }
+GrContext* GrClipMaskManager::getContext() { return fDrawTarget->cmmAccess().context(); }
 
 /*
  * This method traverses the clip stack to see if the GrSoftwarePathRenderer
  * will be used on any element. If so, it returns true to indicate that the
  * entire clip should be rendered in SW and then uploaded en masse to the gpu.
  */
 bool GrClipMaskManager::useSWOnlyPath(const GrPipelineBuilder& pipelineBuilder,
                                       const SkVector& clipToMaskOffset,
                                       const GrReducedClip::ElementList& elements) {
     // TODO: generalize this function so that when
     // a clip gets complex enough it can just be done in SW regardless
     // of whether it would invoke the GrSoftwarePathRenderer.
     GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
 
     // Set the matrix so that rendered clip elements are transformed to mask space from clip
     // space.
     SkMatrix translate;
     translate.setTranslate(clipToMaskOffset);
 
     for (GrReducedClip::ElementList::Iter iter(elements.headIter()); iter.get(); iter.next()) {
         const Element* element = iter.get();
         // rects can always be drawn directly w/o using the software path
         // Skip rrects once we're drawing them directly.
         if (Element::kRect_Type != element->getType()) {
             SkPath path;
             element->asPath(&path);
-            if (path_needs_SW_renderer(this->getContext(), fClipTarget, pipelineBuilder, translate,
+            if (path_needs_SW_renderer(this->getContext(), fDrawTarget, pipelineBuilder, translate,
                                        path, stroke, element->isAA())) {
                 return true;
             }
         }
     }
     return false;
 }
 
 bool GrClipMaskManager::installClipEffects(
         const GrPipelineBuilder& pipelineBuilder,
@@ skipping 274 matching lines @@
         case Element::kEmpty_Type:
             SkDEBUGFAIL("Should never get here with an empty element.");
             break;
         case Element::kRect_Type:
             // TODO: Do rects directly to the accumulator using a aa-rect GrProcessor that covers
             // the entire mask bounds and writes 0 outside the rect.
             if (element->isAA()) {
                 SkRect devRect = element->getRect();
                 viewMatrix.mapRect(&devRect);
 
-                fClipTarget->drawAARect(*pipelineBuilder, color, viewMatrix,
+                fDrawTarget->drawAARect(*pipelineBuilder, color, viewMatrix,
                                         element->getRect(), devRect);
             } else {
-                fClipTarget->drawNonAARect(*pipelineBuilder, color, viewMatrix,
+                fDrawTarget->drawNonAARect(*pipelineBuilder, color, viewMatrix,
                                            element->getRect());
             }
             return true;
         default: {
             SkPath path;
             element->asPath(&path);
             path.setIsVolatile(true);
             if (path.isInverseFillType()) {
                 path.toggleInverseFillType();
             }
             GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
             if (nullptr == pr) {
                 GrPathRendererChain::DrawType type;
                 type = element->isAA() ? GrPathRendererChain::kColorAntiAlias_DrawType :
                                          GrPathRendererChain::kColor_DrawType;
-                pr = this->getContext()->getPathRenderer(fClipTarget, pipelineBuilder, viewMatrix,
+                pr = this->getContext()->getPathRenderer(fDrawTarget, pipelineBuilder, viewMatrix,
                                                          path, stroke, false, type);
             }
             if (nullptr == pr) {
                 return false;
             }
             GrPathRenderer::DrawPathArgs args;
-            args.fTarget = fClipTarget;
+            args.fTarget = fDrawTarget;
             args.fResourceProvider = this->getContext()->resourceProvider();
             args.fPipelineBuilder = pipelineBuilder;
             args.fColor = color;
             args.fViewMatrix = &viewMatrix;
             args.fPath = &path;
             args.fStroke = &stroke;
             args.fAntiAlias = element->isAA();
             pr->drawPath(args);
             break;
         }
@@ skipping 14 matching lines @@
         SkASSERT(Element::kEmpty_Type != element->getType());
         SkPath path;
         element->asPath(&path);
         if (path.isInverseFillType()) {
             path.toggleInverseFillType();
         }
         GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
         GrPathRendererChain::DrawType type = element->isAA() ?
             GrPathRendererChain::kStencilAndColorAntiAlias_DrawType :
             GrPathRendererChain::kStencilAndColor_DrawType;
-        *pr = this->getContext()->getPathRenderer(fClipTarget, pipelineBuilder, SkMatrix::I(), path,
+        *pr = this->getContext()->getPathRenderer(fDrawTarget, pipelineBuilder, SkMatrix::I(), path,
                                                   stroke, false, type);
         return SkToBool(*pr);
     }
 }
 
 void GrClipMaskManager::mergeMask(GrPipelineBuilder* pipelineBuilder,
                                   GrTexture* dstMask,
                                   GrTexture* srcMask,
                                   SkRegion::Op op,
                                   const SkIRect& dstBound,
                                   const SkIRect& srcBound) {
     pipelineBuilder->setRenderTarget(dstMask->asRenderTarget());
 
     // We want to invert the coverage here
     set_coverage_drawing_xpf(op, false, pipelineBuilder);
 
     SkMatrix sampleM;
     sampleM.setIDiv(srcMask->width(), srcMask->height());
 
     pipelineBuilder->addCoverageFragmentProcessor(
         GrTextureDomainEffect::Create(pipelineBuilder->getProcessorDataManager(),
                                       srcMask,
                                       sampleM,
                                       GrTextureDomain::MakeTexelDomain(srcMask, srcBound),
                                       GrTextureDomain::kDecal_Mode,
                                       GrTextureParams::kNone_FilterMode))->unref();
 
     // The color passed in here does not matter since the coverageSetOpXP won't read it.
-    fClipTarget->drawNonAARect(*pipelineBuilder,
+    fDrawTarget->drawNonAARect(*pipelineBuilder,
                                GrColor_WHITE,
                                SkMatrix::I(),
                                SkRect::Make(dstBound));
 }
 
 GrTexture* GrClipMaskManager::createTempMask(int width, int height) {
     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fWidth = width;
     desc.fHeight = height;
@@ skipping 70 matching lines @@
     // space.
     SkMatrix translate;
     translate.setTranslate(clipToMaskOffset);
 
     // The texture may be larger than necessary, this rect represents the part of the texture
     // we populate with a rasterization of the clip.
     SkIRect maskSpaceIBounds = SkIRect::MakeWH(clipSpaceIBounds.width(), clipSpaceIBounds.height());
 
     // The scratch texture that we are drawing into can be substantially larger than the mask. Only
     // clear the part that we care about.
-    fClipTarget->clear(&maskSpaceIBounds,
+    fDrawTarget->clear(&maskSpaceIBounds,
                        GrReducedClip::kAllIn_InitialState == initialState ? 0xffffffff : 0x00000000,
                        true,
                        result->asRenderTarget());
 
     // When we use the stencil in the below loop it is important to have this clip installed.
     // The second pass that zeros the stencil buffer renders the rect maskSpaceIBounds so the first
     // pass must not set values outside of this bounds or stencil values outside the rect won't be
     // cleared.
     GrClip clip(maskSpaceIBounds);
     SkAutoTUnref<GrTexture> temp;
@@ skipping 28 matching lines @@
                 if (!temp) {
                     temp.reset(this->createTempMask(maskSpaceIBounds.fRight,
                                                     maskSpaceIBounds.fBottom));
                     if (!temp) {
                         fAACache.reset();
                         return nullptr;
                     }
                 }
                 dst = temp;
                 // clear the temp target and set blend to replace
-                fClipTarget->clear(&maskSpaceElementIBounds,
+                fDrawTarget->clear(&maskSpaceElementIBounds,
                                    invert ? 0xffffffff : 0x00000000,
                                    true,
                                    dst->asRenderTarget());
                 set_coverage_drawing_xpf(SkRegion::kReplace_Op, invert, &pipelineBuilder);
             } else {
                 // draw directly into the result with the stencil set to make the pixels affected
                 // by the clip shape be non-zero.
                 dst = result;
                 GR_STATIC_CONST_SAME_STENCIL(kStencilInElement,
                                              kReplace_StencilOp,
@@ skipping 32 matching lines @@
                 GR_STATIC_CONST_SAME_STENCIL(kDrawOutsideElement,
                                              kZero_StencilOp,
                                              kZero_StencilOp,
                                              kEqual_StencilFunc,
                                              0xffff,
                                              0x0000,
                                              0xffff);
                 backgroundPipelineBuilder.setStencil(kDrawOutsideElement);
 
                 // The color passed in here does not matter since the coverageSetOpXP won't read it.
-                fClipTarget->drawNonAARect(backgroundPipelineBuilder, GrColor_WHITE, translate,
+                fDrawTarget->drawNonAARect(backgroundPipelineBuilder, GrColor_WHITE, translate,
                                            clipSpaceIBounds);
             }
         } else {
             GrPipelineBuilder pipelineBuilder;
 
             // all the remaining ops can just be directly draw into the accumulation buffer
             set_coverage_drawing_xpf(op, false, &pipelineBuilder);
             // The color passed in here does not matter since the coverageSetOpXP won't read it.
             this->drawElement(&pipelineBuilder, translate, result, element);
         }
@@ skipping 32 matching lines @@
 
         // We set the current clip to the bounds so that our recursive draws are scissored to them.
         SkIRect stencilSpaceIBounds(clipSpaceIBounds);
         stencilSpaceIBounds.offset(clipSpaceToStencilOffset);
         GrClip clip(stencilSpaceIBounds);
 
         int clipBit = stencilAttachment->bits();
         SkASSERT((clipBit <= 16) && "Ganesh only handles 16b or smaller stencil buffers");
         clipBit = (1 << (clipBit-1));
 
-        fClipTarget->clearStencilClip(stencilSpaceIBounds,
-                                      GrReducedClip::kAllIn_InitialState == initialState,
-                                      rt);
+        fDrawTarget->cmmAccess().clearStencilClip(stencilSpaceIBounds,
+            GrReducedClip::kAllIn_InitialState == initialState, rt);
 
         // walk through each clip element and perform its set op
         // with the existing clip.
         for (GrReducedClip::ElementList::Iter iter(elements.headIter()); iter.get(); iter.next()) {
             const Element* element = iter.get();
 
             GrPipelineBuilder pipelineBuilder;
             pipelineBuilder.setClip(clip);
             pipelineBuilder.setRenderTarget(rt);
 
@@ skipping 19 matching lines @@
             SkPath clipPath;
             if (Element::kRect_Type == element->getType()) {
                 stencilSupport = GrPathRenderer::kNoRestriction_StencilSupport;
                 fillInverted = false;
             } else {
                 element->asPath(&clipPath);
                 fillInverted = clipPath.isInverseFillType();
                 if (fillInverted) {
                     clipPath.toggleInverseFillType();
                 }
-                pr = this->getContext()->getPathRenderer(fClipTarget,
+                pr = this->getContext()->getPathRenderer(fDrawTarget,
                                                          &pipelineBuilder,
                                                          viewMatrix,
                                                          clipPath,
                                                          stroke,
                                                          false,
                                                          GrPathRendererChain::kStencilOnly_DrawType,
                                                          &stencilSupport);
                 if (nullptr == pr) {
                     return false;
                 }
@@ skipping 21 matching lines @@
                                              kIncClamp_StencilOp,
                                              kIncClamp_StencilOp,
                                              kAlways_StencilFunc,
                                              0xffff,
                                              0x0000,
                                              0xffff);
                 if (Element::kRect_Type == element->getType()) {
                     *pipelineBuilder.stencil() = gDrawToStencil;
 
                     // We need this AGP until everything is in GrBatch
-                    fClipTarget->drawNonAARect(pipelineBuilder,
+                    fDrawTarget->drawNonAARect(pipelineBuilder,
                                                GrColor_WHITE,
                                                viewMatrix,
                                                element->getRect());
                 } else {
                     if (!clipPath.isEmpty()) {
                         if (canRenderDirectToStencil) {
                             *pipelineBuilder.stencil() = gDrawToStencil;
 
                             GrPathRenderer::DrawPathArgs args;
-                            args.fTarget = fClipTarget;
+                            args.fTarget = fDrawTarget;
                             args.fResourceProvider = this->getContext()->resourceProvider();
                             args.fPipelineBuilder = &pipelineBuilder;
                             args.fColor = GrColor_WHITE;
                             args.fViewMatrix = &viewMatrix;
                             args.fPath = &clipPath;
                             args.fStroke = &stroke;
                             args.fAntiAlias = false;
                             pr->drawPath(args);
                         } else {
                             GrPathRenderer::StencilPathArgs args;
-                            args.fTarget = fClipTarget;
+                            args.fTarget = fDrawTarget;
                             args.fResourceProvider = this->getContext()->resourceProvider();
                             args.fPipelineBuilder = &pipelineBuilder;
                             args.fViewMatrix = &viewMatrix;
                             args.fPath = &clipPath;
                             args.fStroke = &stroke;
                             pr->stencilPath(args);
                         }
                     }
                 }
             }
 
             // now we modify the clip bit by rendering either the clip
             // element directly or a bounding rect of the entire clip.
             fClipMode = kModifyClip_StencilClipMode;
             for (int p = 0; p < passes; ++p) {
                 *pipelineBuilder.stencil() = stencilSettings[p];
 
                 if (canDrawDirectToClip) {
                     if (Element::kRect_Type == element->getType()) {
                         // We need this AGP until everything is in GrBatch
-                        fClipTarget->drawNonAARect(pipelineBuilder,
+                        fDrawTarget->drawNonAARect(pipelineBuilder,
                                                    GrColor_WHITE,
                                                    viewMatrix,
                                                    element->getRect());
                     } else {
                         GrPathRenderer::DrawPathArgs args;
-                        args.fTarget = fClipTarget;
+                        args.fTarget = fDrawTarget;
                         args.fResourceProvider = this->getContext()->resourceProvider();
                         args.fPipelineBuilder = &pipelineBuilder;
                         args.fColor = GrColor_WHITE;
                         args.fViewMatrix = &viewMatrix;
                         args.fPath = &clipPath;
                         args.fStroke = &stroke;
                         args.fAntiAlias = false;
                         pr->drawPath(args);
                     }
                 } else {
                     // The view matrix is setup to do clip space -> stencil space translation, so
                     // draw rect in clip space.
-                    fClipTarget->drawNonAARect(pipelineBuilder,
+                    fDrawTarget->drawNonAARect(pipelineBuilder,
                                                GrColor_WHITE,
                                                viewMatrix,
                                                SkRect::Make(clipSpaceIBounds));
                 }
             }
         }
     }
     // set this last because recursive draws may overwrite it back to kNone.
     SkASSERT(kNone_ClipMaskType == fCurrClipMaskType);
     fCurrClipMaskType = kStencil_ClipMaskType;
@@ skipping 76 matching lines @@
         settings = pipelineBuilder.getStencil();
     }
 
     int stencilBits = 0;
     GrRenderTarget* rt = pipelineBuilder.getRenderTarget();
     GrStencilAttachment* stencilAttachment = rt->renderTargetPriv().attachStencilAttachment();
     if (stencilAttachment) {
         stencilBits = stencilAttachment->bits();
     }
 
-    SkASSERT(fClipTarget->caps()->stencilWrapOpsSupport() || !settings.usesWrapOp());
-    SkASSERT(fClipTarget->caps()->twoSidedStencilSupport() || !settings.isTwoSided());
+    SkASSERT(fDrawTarget->caps()->stencilWrapOpsSupport() || !settings.usesWrapOp());
+    SkASSERT(fDrawTarget->caps()->twoSidedStencilSupport() || !settings.isTwoSided());
     this->adjustStencilParams(&settings, fClipMode, stencilBits);
     ars->set(&pipelineBuilder);
     ars->setStencil(settings);
 }
 
 void GrClipMaskManager::adjustStencilParams(GrStencilSettings* settings,
                                             StencilClipMode mode,
                                             int stencilBitCnt) {
     SkASSERT(stencilBitCnt > 0);
 
     if (kModifyClip_StencilClipMode == mode) {
         // We assume that this clip manager itself is drawing to the GrGpu and
         // has already setup the correct values.
         return;
     }
 
     unsigned int clipBit = (1 << (stencilBitCnt - 1));
     unsigned int userBits = clipBit - 1;
 
     GrStencilSettings::Face face = GrStencilSettings::kFront_Face;
-    bool twoSided = fClipTarget->caps()->twoSidedStencilSupport();
+    bool twoSided = fDrawTarget->caps()->twoSidedStencilSupport();
 
     bool finished = false;
     while (!finished) {
         GrStencilFunc func = settings->func(face);
         uint16_t writeMask = settings->writeMask(face);
         uint16_t funcMask = settings->funcMask(face);
         uint16_t funcRef = settings->funcRef(face);
 
         SkASSERT((unsigned) func < kStencilFuncCount);
 
@@ skipping 129 matching lines @@
     fAACache.purgeResources();
 }
 
 void GrClipMaskManager::adjustPathStencilParams(const GrStencilAttachment* stencilAttachment,
                                                 GrStencilSettings* settings) {
     if (stencilAttachment) {
         int stencilBits = stencilAttachment->bits();
         this->adjustStencilParams(settings, fClipMode, stencilBits);
     }
 }