remove view matrix from context

src/effects/SkBlurMaskFilter.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ skipping 32 matching lines @@
     virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&,
                             SkIPoint* margin) const SK_OVERRIDE;
 
 #if SK_SUPPORT_GPU
     virtual bool canFilterMaskGPU(const SkRect& devBounds,
                                   const SkIRect& clipBounds,
                                   const SkMatrix& ctm,
                                   SkRect* maskRect) const SK_OVERRIDE;
     virtual bool directFilterMaskGPU(GrContext* context,
                                      GrPaint* grp,
+                                     const SkMatrix& viewMatrix,
                                      const SkStrokeRec& strokeRec,
                                      const SkPath& path) const SK_OVERRIDE;
     virtual bool directFilterRRectMaskGPU(GrContext* context,
                                           GrPaint* grp,
+                                          const SkMatrix& viewMatrix,
                                           const SkStrokeRec& strokeRec,
                                           const SkRRect& rrect) const SK_OVERRIDE;
 
     virtual bool filterMaskGPU(GrTexture* src,
                                const SkMatrix& ctm,
                                const SkRect& maskRect,
                                GrTexture** result,
                                bool canOverwriteSrc) const SK_OVERRIDE;
 #endif
 
@@ skipping 761 matching lines @@
                                                   GrTexture**) {
     float sigma = random->nextRangeF(3,8);
     float width = random->nextRangeF(200,300);
     float height = random->nextRangeF(200,300);
     return GrRectBlurEffect::Create(context, SkRect::MakeWH(width, height), sigma);
 }
 
 
 bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context,
                                                GrPaint* grp,
+                                               const SkMatrix& viewMatrix,
                                                const SkStrokeRec& strokeRec,
                                                const SkPath& path) const {
     if (fBlurStyle != kNormal_SkBlurStyle) {
         return false;
     }
 
     SkRect rect;
     if (!path.isRect(&rect)) {
         return false;
     }
 
     if (!strokeRec.isFillStyle()) {
         return false;
     }
 
-    SkMatrix ctm = context->getMatrix();
+    SkMatrix ctm = viewMatrix;
     SkScalar xformedSigma = this->computeXformedSigma(ctm);
 
     int pad=SkScalarCeilToInt(6*xformedSigma)/2;
     rect.outset(SkIntToScalar(pad), SkIntToScalar(pad));
 
     SkAutoTUnref<GrFragmentProcessor> fp(GrRectBlurEffect::Create(context, rect, xformedSigma));
     if (!fp) {
         return false;
     }
 
-    GrContext::AutoMatrix am;
-    if (!am.setIdentity(context, grp)) {
-       return false;
+    if (!grp->localCoordChangeInverse(viewMatrix)) {
+        return false;
     }
 
     grp->addCoverageProcessor(fp);
 
-    context->drawRect(*grp, rect);
+    context->drawRect(*grp, SkMatrix::I(), rect);
     return true;
 }
 
 class GrRRectBlurEffect : public GrFragmentProcessor {
 public:
 
     static GrFragmentProcessor* Create(GrContext* context, float sigma, const SkRRect&);
 
     virtual ~GrRRectBlurEffect() {};
     virtual const char* name() const SK_OVERRIDE { return "GrRRectBlur"; }
@@ skipping 233 matching lines @@
 void GrRRectBlurEffect::getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const {
     GrGLRRectBlurEffect::GenKey(*this, caps, b);
 }
 
 GrGLFragmentProcessor* GrRRectBlurEffect::createGLInstance() const {
     return SkNEW_ARGS(GrGLRRectBlurEffect, (*this));
 }
 
 bool SkBlurMaskFilterImpl::directFilterRRectMaskGPU(GrContext* context,
                                                     GrPaint* grp,
+                                                    const SkMatrix& viewMatrix,
                                                     const SkStrokeRec& strokeRec,
                                                     const SkRRect& rrect) const {
     if (fBlurStyle != kNormal_SkBlurStyle) {
         return false;
     }
 
     if (!strokeRec.isFillStyle()) {
         return false;
     }
 
     SkRect proxy_rect = rrect.rect();
-    SkMatrix ctm = context->getMatrix();
+    SkMatrix ctm = viewMatrix;
     SkScalar xformedSigma = this->computeXformedSigma(ctm);
     float extra=3.f*SkScalarCeilToScalar(xformedSigma-1/6.0f);
     proxy_rect.outset(extra, extra);
 
     SkAutoTUnref<GrFragmentProcessor> fp(GrRRectBlurEffect::Create(context, xformedSigma, rrect));
     if (!fp) {
         return false;
     }
 
-    GrContext::AutoMatrix am;
-    if (!am.setIdentity(context, grp)) {
-       return false;
+    if (!grp->localCoordChangeInverse(viewMatrix)) {
+        return false;
     }
 
     grp->addCoverageProcessor(fp);
 
-    context->drawRect(*grp, proxy_rect);
+    context->drawRect(*grp, SkMatrix::I(), proxy_rect);
     return true;
 }
 
 bool SkBlurMaskFilterImpl::canFilterMaskGPU(const SkRect& srcBounds,
                                             const SkIRect& clipBounds,
                                             const SkMatrix& ctm,
                                             SkRect* maskRect) const {
     SkScalar xformedSigma = this->computeXformedSigma(ctm);
     if (xformedSigma <= 0) {
         return false;
@@ skipping 44 matching lines @@
     // If we're doing a normal blur, we can clobber the pathTexture in the
     // gaussianBlur.  Otherwise, we need to save it for later compositing.
     bool isNormalBlur = (kNormal_SkBlurStyle == fBlurStyle);
     *result = SkGpuBlurUtils::GaussianBlur(context, src, isNormalBlur && canOverwriteSrc,
                                            clipRect, false, xformedSigma, xformedSigma);
     if (NULL == *result) {
         return false;
     }
 
     if (!isNormalBlur) {
-        context->setIdentityMatrix();
         GrPaint paint;
         SkMatrix matrix;
         matrix.setIDiv(src->width(), src->height());
         // Blend pathTexture over blurTexture.
         GrContext::AutoRenderTarget art(context, (*result)->asRenderTarget());
         paint.addColorProcessor(GrSimpleTextureEffect::Create(src, matrix))->unref();
         if (kInner_SkBlurStyle == fBlurStyle) {
             // inner:  dst = dst * src
             paint.setPorterDuffXPFactory(kDC_GrBlendCoeff, kZero_GrBlendCoeff);
         } else if (kSolid_SkBlurStyle == fBlurStyle) {
             // solid:  dst = src + dst - src * dst
             //             = (1 - dst) * src + 1 * dst
             paint.setPorterDuffXPFactory(kIDC_GrBlendCoeff, kOne_GrBlendCoeff);
         } else if (kOuter_SkBlurStyle == fBlurStyle) {
             // outer:  dst = dst * (1 - src)
             //             = 0 * src + (1 - src) * dst
             paint.setPorterDuffXPFactory(kZero_GrBlendCoeff, kISC_GrBlendCoeff);
         }
-        context->drawRect(paint, clipRect);
+        context->drawRect(paint, SkMatrix::I(), clipRect);
     }
 
     return true;
 }
 
 #endif // SK_SUPPORT_GPU
 
 
 #ifndef SK_IGNORE_TO_STRING
 void SkBlurMaskFilterImpl::toString(SkString* str) const {
@@ skipping 20 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END