Refugee from Dead Machine 4: MDB Monster

src/image/SkImage_Gpu.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 "SkBitmapCache.h"
 #include "SkImage_Gpu.h"
 #include "GrCaps.h"
@@ skipping 139 matching lines @@
     GrContext* ctx = fTexture->getContext();
     GrSurfaceDesc desc = fTexture->desc();
     desc.fWidth = subset.width();
     desc.fHeight = subset.height();
 
     GrTexture* subTx = ctx->textureProvider()->createTexture(desc,
                                                              SkSurface::kYes_Budgeted == fBudgeted);
     if (!subTx) {
         return nullptr;
     }
+
     ctx->copySurface(subTx, fTexture, subset, SkIPoint::Make(0, 0));
     return new SkImage_Gpu(desc.fWidth, desc.fHeight, kNeedNewImageUniqueID, fAlphaType, subTx,
                            fBudgeted);
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #include "SkGrPixelRef.h"
 #include "SkImageFilter.h"
 
@@ skipping 107 matching lines @@
     if (desc.fWidth <= 0 || desc.fHeight <= 0) {
         return nullptr;
     }
 
     SkAutoTUnref<GrTexture> src(ctx->textureProvider()->wrapBackendTexture(
         desc, kBorrow_GrWrapOwnership));
     if (!src) {
         return nullptr;
     }
 
+    src->setFromRawPixels(true);
+    src->setException(true);
+
     const bool isBudgeted = true;
     SkAutoTUnref<GrTexture> dst(GrDeepCopyTexture(src, isBudgeted));
     if (!dst) {
         return nullptr;
     }
 
     const SkSurface::Budgeted budgeted = SkSurface::kYes_Budgeted;
     return new SkImage_Gpu(desc.fWidth, desc.fHeight, kNeedNewImageUniqueID, at, dst,
                            budgeted);
 }
 
+#include "GrDrawTarget.h"
+
 SkImage* SkImage::NewFromYUVTexturesCopy(GrContext* ctx , SkYUVColorSpace colorSpace,
                                          const GrBackendObject yuvTextureHandles[3],
                                          const SkISize yuvSizes[3],
                                          GrSurfaceOrigin origin) {
     const SkSurface::Budgeted budgeted = SkSurface::kYes_Budgeted;
 
     if (yuvSizes[0].fWidth <= 0 || yuvSizes[0].fHeight <= 0 ||
         yuvSizes[1].fWidth <= 0 || yuvSizes[1].fHeight <= 0 ||
         yuvSizes[2].fWidth <= 0 || yuvSizes[2].fHeight <= 0) {
         return nullptr;
@@ skipping 26 matching lines @@
     SkAutoTUnref<GrTexture> yTex(ctx->textureProvider()->wrapBackendTexture(
         yDesc, kBorrow_GrWrapOwnership));
     SkAutoTUnref<GrTexture> uTex(ctx->textureProvider()->wrapBackendTexture(
         uDesc, kBorrow_GrWrapOwnership));
     SkAutoTUnref<GrTexture> vTex(ctx->textureProvider()->wrapBackendTexture(
         vDesc, kBorrow_GrWrapOwnership));
     if (!yTex || !uTex || !vTex) {
         return nullptr;
     }
 
+    yTex->setFromRawPixels(true);
+    yTex->setException(true);
+    uTex->setFromRawPixels(true);
+    uTex->setException(true);
+    vTex->setFromRawPixels(true);
+    vTex->setException(true);
+
     GrSurfaceDesc dstDesc;
     // Needs to be a render target in order to draw to it for the yuv->rgb conversion.
     dstDesc.fFlags = kRenderTarget_GrSurfaceFlag;
     dstDesc.fOrigin = origin;
     dstDesc.fWidth = yuvSizes[0].fWidth;
     dstDesc.fHeight = yuvSizes[0].fHeight;
     dstDesc.fConfig = kRGBA_8888_GrPixelConfig;
     dstDesc.fSampleCnt = 0;
 
     SkAutoTUnref<GrTexture> dst(ctx->textureProvider()->createTexture(dstDesc, true));
     if (!dst) {
         return nullptr;
     }
 
     GrPaint paint;
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
     paint.addColorFragmentProcessor(GrYUVtoRGBEffect::Create(yTex, uTex, vTex, yuvSizes,
-                                                             colorSpace))->unref();
+                                                             colorSpace, dst->asRenderTarget()))->unref();
 
     const SkRect rect = SkRect::MakeWH(SkIntToScalar(dstDesc.fWidth),
                                        SkIntToScalar(dstDesc.fHeight));
     SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext(dst->asRenderTarget()));
     if (!drawContext) {
         return nullptr;
     }
 
+    // nothing to "use" in this case
     drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect);
+
     ctx->flushSurfaceWrites(dst);
     return new SkImage_Gpu(dstDesc.fWidth, dstDesc.fHeight, kNeedNewImageUniqueID,
                            kOpaque_SkAlphaType, dst, budgeted);
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrTexture* GrDeepCopyTexture(GrTexture* src, bool budgeted) {
     GrContext* ctx = src->getContext();
 
     GrSurfaceDesc desc = src->desc();
     GrTexture* dst = ctx->textureProvider()->createTexture(desc, budgeted, nullptr, 0);
     if (!dst) {
         return nullptr;
     }
-    
+
     const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
     const SkIPoint dstP = SkIPoint::Make(0, 0);
     ctx->copySurface(dst, src, srcR, dstP, GrContext::kFlushWrites_PixelOp);
     return dst;
 }