From b64d87515212d795405c6b3622dd365202eb4c39 Mon Sep 17 00:00:00 2001
From: Michael Lentine <mlentine@google.com>
Date: Thu, 21 May 2015 13:48:24 -0700
Subject: [PATCH] Fix surfaceflinger tests.

Update the screenshot code and add correct return values to surface flinger's
capturescreenshot function.

Buf: 18138368

Change-Id: Ieb42d289088589f941502fbd69da7aa939265e07
(cherry picked from commit 5a16a62950de06d48769e29f0c68a154ed7a7a89)
---
 services/surfaceflinger/SurfaceFlinger.cpp    |  6 +--
 .../surfaceflinger/tests/Transaction_test.cpp | 44 +++++++++++--------
 2 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 715b92f11..89be4dc74 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3283,8 +3283,8 @@ status_t SurfaceFlinger::captureScreenImplLocked(
     sp<Surface> sur = new Surface(producer, false);
     ANativeWindow* window = sur.get();
 
-    status_t result = NO_ERROR;
-    if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) == NO_ERROR) {
+    status_t result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
+    if (result == NO_ERROR) {
         uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
                         GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
 
@@ -3374,7 +3374,7 @@ status_t SurfaceFlinger::captureScreenImplLocked(
                     result = BAD_VALUE;
                 }
                 // queueBuffer takes ownership of syncFd
-                window->queueBuffer(window, buffer, syncFd);
+                result = window->queueBuffer(window, buffer, syncFd);
             }
         } else {
             result = BAD_VALUE;
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index 4d363c8a0..dcde51201 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -16,6 +16,8 @@
 
 #include <gtest/gtest.h>
 
+#include <android/native_window.h>
+
 #include <binder/IMemory.h>
 
 #include <gui/ISurfaceComposer.h>
@@ -53,21 +55,23 @@ static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc,
 class ScreenCapture : public RefBase {
 public:
     static void captureScreen(sp<ScreenCapture>* sc) {
-        sp<IMemoryHeap> heap;
-        uint32_t w=0, h=0;
-        PixelFormat fmt=0;
+        sp<IGraphicBufferProducer> producer;
+        sp<IGraphicBufferConsumer> consumer;
+        BufferQueue::createBufferQueue(&producer, &consumer);
+        IGraphicBufferProducer::QueueBufferOutput bufferOutput;
+        sp<CpuConsumer> cpuConsumer = new CpuConsumer(consumer, 1);
         sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-        sp<IBinder> display(sf->getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
-        ASSERT_EQ(NO_ERROR, sf->captureScreen(display, &heap, &w, &h, &fmt, 0, 0,
-                0, INT_MAX));
-        ASSERT_TRUE(heap != NULL);
-        ASSERT_EQ(PIXEL_FORMAT_RGBA_8888, fmt);
-        *sc = new ScreenCapture(w, h, heap);
+        sp<IBinder> display(sf->getBuiltInDisplay(
+                ISurfaceComposer::eDisplayIdMain));
+        ASSERT_EQ(NO_ERROR, sf->captureScreen(display, producer, Rect(), 0, 0,
+                0, INT_MAX, false));
+        *sc = new ScreenCapture(cpuConsumer);
     }
 
     void checkPixel(uint32_t x, uint32_t y, uint8_t r, uint8_t g, uint8_t b) {
-        const uint8_t* img = reinterpret_cast<const uint8_t*>(mHeap->base());
-        const uint8_t* pixel = img + (4 * (y*mWidth + x));
+        ASSERT_EQ(HAL_PIXEL_FORMAT_RGBA_8888, mBuf.format);
+        const uint8_t* img = static_cast<const uint8_t*>(mBuf.data);
+        const uint8_t* pixel = img + (4 * (y * mBuf.stride + x));
         if (r != pixel[0] || g != pixel[1] || b != pixel[2]) {
             String8 err(String8::format("pixel @ (%3d, %3d): "
                     "expected [%3d, %3d, %3d], got [%3d, %3d, %3d]",
@@ -77,15 +81,17 @@ public:
     }
 
 private:
-    ScreenCapture(uint32_t w, uint32_t h, const sp<IMemoryHeap>& heap) :
-        mWidth(w),
-        mHeight(h),
-        mHeap(heap)
-    {}
+    ScreenCapture(const sp<CpuConsumer>& cc) :
+        mCC(cc) {
+        EXPECT_EQ(NO_ERROR, mCC->lockNextBuffer(&mBuf));
+    }
 
-    const uint32_t mWidth;
-    const uint32_t mHeight;
-    sp<IMemoryHeap> mHeap;
+    ~ScreenCapture() {
+        mCC->unlockBuffer(mBuf);
+    }
+
+    sp<CpuConsumer> mCC;
+    CpuConsumer::LockedBuffer mBuf;
 };
 
 class LayerUpdateTest : public ::testing::Test {