src/third_party/skia/src/gpu/GrRenderTarget.cpp

   1
   2 /*
   3  * Copyright 2011 Google Inc.
   4  *
   5  * Use of this source code is governed by a BSD-style license that can be
   6  * found in the LICENSE file.
   7  */
   8
   9
  10 #include "GrRenderTarget.h"
  11
  12 #include "GrContext.h"
  13 #include "GrGpu.h"
  14 #include "GrStencilBuffer.h"
  15
  16 void GrRenderTarget::discard() {
  17     // go through context so that all necessary flushing occurs
  18     GrContext* context = this->getContext();
  19     if (NULL == context) {
  20         return;
  21     }
  22     context->discardRenderTarget(this);
  23 }
  24
  25 void GrRenderTarget::flagAsNeedingResolve(const SkIRect* rect) {
  26     if (kCanResolve_ResolveType == getResolveType()) {
  27         if (rect) {
  28             fResolveRect.join(*rect);
  29             if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
  30                 fResolveRect.setEmpty();
  31             }
  32         } else {
  33             fResolveRect.setLTRB(0, 0, this->width(), this->height());
  34         }
  35     }
  36 }
  37
  38 void GrRenderTarget::overrideResolveRect(const SkIRect rect) {
  39     fResolveRect = rect;
  40     if (fResolveRect.isEmpty()) {
  41         fResolveRect.setLargestInverted();
  42     } else {
  43         if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
  44             fResolveRect.setLargestInverted();
  45         }
  46     }
  47 }
  48
  49 void GrRenderTarget::setStencilBuffer(GrStencilBuffer* stencilBuffer) {
  50     SkRefCnt_SafeAssign(fStencilBuffer, stencilBuffer);
  51 }
  52
  53 void GrRenderTarget::onRelease() {
  54     this->setStencilBuffer(NULL);
  55
  56     INHERITED::onRelease();
  57 }
  58
  59 void GrRenderTarget::onAbandon() {
  60     this->setStencilBuffer(NULL);
  61
  62     INHERITED::onAbandon();
  63 }