From b13732f6a801d85390feb025d678e2b14effc915 Mon Sep 17 00:00:00 2001
From: Stan Iliev <stani@google.com>
Date: Thu, 1 Aug 2019 14:41:52 -0400
Subject: [PATCH 48/49] TextureVuew rebind GL texture, if AHB content has
 changed

Bug: 138674291
Test: Ran apps with TextureView and CTS
Change-Id: Ieecf7daf160761de719356644ddaeda8f9c068e1
---
 libs/hwui/surfacetexture/ImageConsumer.cpp | 18 +++++++++++++++---
 libs/hwui/surfacetexture/ImageConsumer.h   |  5 -----
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/libs/hwui/surfacetexture/ImageConsumer.cpp b/libs/hwui/surfacetexture/ImageConsumer.cpp
index bae616bbc63..17ee17d5cd1 100644
--- a/libs/hwui/surfacetexture/ImageConsumer.cpp
+++ b/libs/hwui/surfacetexture/ImageConsumer.cpp
@@ -71,13 +71,16 @@ public:
     void makeImage(sp<GraphicBuffer>& graphicBuffer, android_dataspace dataspace,
                    GrContext* context);
 
+    void newBufferContent(GrContext* context);
+
 private:
     // The only way to invoke dtor is with unref, when mUsageCount is 0.
     ~AutoBackendTextureRelease() {}
 
     GrBackendTexture mBackendTexture;
     GrAHardwareBufferUtils::DeleteImageProc mDeleteProc;
-    GrAHardwareBufferUtils::DeleteImageCtx mDeleteCtx;
+    GrAHardwareBufferUtils::UpdateImageProc mUpdateProc;
+    GrAHardwareBufferUtils::TexImageCtx mImageCtx;
 
     // Starting with refcount 1, because the first ref is held by SurfaceTexture. Additional refs
     // are held by SkImages.
@@ -101,7 +104,8 @@ AutoBackendTextureRelease::AutoBackendTextureRelease(GrContext* context, Graphic
         buffer->getWidth(),
         buffer->getHeight(),
         &mDeleteProc,
-        &mDeleteCtx,
+        &mUpdateProc,
+        &mImageCtx,
         createProtectedImage,
         backendFormat,
         false);
@@ -123,7 +127,7 @@ void AutoBackendTextureRelease::unref(bool releaseImage) {
     mUsageCount--;
     if (mUsageCount <= 0) {
         if (mBackendTexture.isValid()) {
-            mDeleteProc(mDeleteCtx);
+            mDeleteProc(mImageCtx);
             mBackendTexture = {};
         }
         delete this;
@@ -154,6 +158,12 @@ void AutoBackendTextureRelease::makeImage(sp<GraphicBuffer>& graphicBuffer,
     }
 }
 
+void AutoBackendTextureRelease::newBufferContent(GrContext* context) {
+    if (mBackendTexture.isValid()) {
+        mUpdateProc(mImageCtx, context);
+    }
+}
+
 void ImageConsumer::ImageSlot::createIfNeeded(sp<GraphicBuffer> graphicBuffer,
                                               android_dataspace dataspace, bool forceCreate,
                                               GrContext* context) {
@@ -166,6 +176,8 @@ void ImageConsumer::ImageSlot::createIfNeeded(sp<GraphicBuffer> graphicBuffer,
 
         if (!mTextureRelease) {
             mTextureRelease = new AutoBackendTextureRelease(context, graphicBuffer.get());
+        } else {
+            mTextureRelease->newBufferContent(context);
         }
 
         mDataspace = dataspace;
diff --git a/libs/hwui/surfacetexture/ImageConsumer.h b/libs/hwui/surfacetexture/ImageConsumer.h
index 2fdece98987..3e2a91a251f 100644
--- a/libs/hwui/surfacetexture/ImageConsumer.h
+++ b/libs/hwui/surfacetexture/ImageConsumer.h
@@ -26,11 +26,6 @@
 #include <gui/BufferItem.h>
 #include <system/graphics.h>
 
-namespace GrAHardwareBufferUtils {
-typedef void* DeleteImageCtx;
-typedef void (*DeleteImageProc)(DeleteImageCtx);
-}
-
 namespace android {
 
 namespace uirenderer {
-- 
2.17.1