1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/GrImageIDTextureAdjuster.cpp b/gfx/skia/skia/src/gpu/GrImageIDTextureAdjuster.cpp
new file mode 100644
index 000000000..5a96b6d3e
--- /dev/null
+++ b/gfx/skia/skia/src/gpu/GrImageIDTextureAdjuster.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrImageIDTextureAdjuster.h"
+
+#include "GrContext.h"
+#include "GrGpuResourcePriv.h"
+#include "SkBitmap.h"
+#include "SkGrPriv.h"
+#include "SkImage_Base.h"
+#include "SkImageCacherator.h"
+#include "SkPixelRef.h"
+
+static bool bmp_is_alpha_only(const SkBitmap& bm) { return kAlpha_8_SkColorType == bm.colorType(); }
+
+GrBitmapTextureMaker::GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap)
+    : INHERITED(context, bitmap.width(), bitmap.height(), bmp_is_alpha_only(bitmap))
+    , fBitmap(bitmap)
+{
+    if (!bitmap.isVolatile()) {
+        SkIPoint origin = bitmap.pixelRefOrigin();
+        SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, bitmap.width(),
+                                           bitmap.height());
+        GrMakeKeyFromImageID(&fOriginalKey, bitmap.pixelRef()->getGenerationID(), subset);
+    }
+}
+
+GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped,
+                                                    SkSourceGammaTreatment gammaTreatment) {
+    GrTexture* tex = nullptr;
+
+    if (fOriginalKey.isValid()) {
+        tex = this->context()->textureProvider()->findAndRefTextureByUniqueKey(fOriginalKey);
+        if (tex) {
+            return tex;
+        }
+    }
+    if (willBeMipped) {
+        tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap, gammaTreatment);
+    }
+    if (!tex) {
+        tex = GrUploadBitmapToTexture(this->context(), fBitmap);
+    }
+    if (tex && fOriginalKey.isValid()) {
+        tex->resourcePriv().setUniqueKey(fOriginalKey);
+        GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef());
+    }
+    return tex;
+}
+
+void GrBitmapTextureMaker::makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey) {
+    if (fOriginalKey.isValid()) {
+        MakeCopyKeyFromOrigKey(fOriginalKey, copyParams, copyKey);
+    }
+}
+
+void GrBitmapTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) {
+    GrInstallBitmapUniqueKeyInvalidator(copyKey, fBitmap.pixelRef());
+}
+
+SkAlphaType GrBitmapTextureMaker::alphaType() const {
+    return fBitmap.alphaType();
+}
+
+SkColorSpace* GrBitmapTextureMaker::getColorSpace() {
+    return fBitmap.colorSpace();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+static bool cacher_is_alpha_only(const SkImageCacherator& cacher) {
+    return kAlpha_8_SkColorType == cacher.info().colorType();
+}
+GrImageTextureMaker::GrImageTextureMaker(GrContext* context, SkImageCacherator* cacher,
+                                         const SkImage* client, SkImage::CachingHint chint)
+    : INHERITED(context, cacher->info().width(), cacher->info().height(),
+                cacher_is_alpha_only(*cacher))
+    , fCacher(cacher)
+    , fClient(client)
+    , fCachingHint(chint) {
+    if (client) {
+        GrMakeKeyFromImageID(&fOriginalKey, client->uniqueID(),
+                             SkIRect::MakeWH(this->width(), this->height()));
+    }
+}
+
+GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped,
+                                                   SkSourceGammaTreatment gammaTreatment) {
+    return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped,
+                                gammaTreatment);
+}
+
+void GrImageTextureMaker::makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey) {
+    if (fOriginalKey.isValid() && SkImage::kAllow_CachingHint == fCachingHint) {
+        MakeCopyKeyFromOrigKey(fOriginalKey, stretch, paramsCopyKey);
+    }
+}
+
+void GrImageTextureMaker::didCacheCopy(const GrUniqueKey& copyKey) {
+    if (fClient) {
+        as_IB(fClient)->notifyAddedToCache();
+    }
+}
+
+SkAlphaType GrImageTextureMaker::alphaType() const {
+    return fCacher->info().alphaType();
+}
+
+SkColorSpace* GrImageTextureMaker::getColorSpace() {
+    return fCacher->info().colorSpace();
+}