graphics: make mapper VTS utils more reusable

Better include path (#include <mapper-vts/2.0/MapperVts.h>), better
library naming, and move GraphicsMapperHidlEnvironment to where
tests are defined.

Test: VTS
Change-Id: I9fbf6515993ac11852b11ca6b8194a58afe5579a
diff --git a/graphics/mapper/2.0/utils/vts/Android.bp b/graphics/mapper/2.0/utils/vts/Android.bp
index 8bca152..1aa3185 100644
--- a/graphics/mapper/2.0/utils/vts/Android.bp
+++ b/graphics/mapper/2.0/utils/vts/Android.bp
@@ -15,9 +15,9 @@
 //
 
 cc_library_static {
-    name: "libVtsHalGraphicsMapperTestUtils",
+    name: "android.hardware.graphics.mapper@2.0-vts",
     defaults: ["hidl_defaults"],
-    srcs: ["VtsHalGraphicsMapperTestUtils.cpp"],
+    srcs: ["MapperVts.cpp"],
     cflags: [
         "-O0",
         "-g",
@@ -34,5 +34,5 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.mapper@2.0",
     ],
-    export_include_dirs: ["."],
+    export_include_dirs: ["include"],
 }
diff --git a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp b/graphics/mapper/2.0/utils/vts/MapperVts.cpp
similarity index 95%
rename from graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp
rename to graphics/mapper/2.0/utils/vts/MapperVts.cpp
index e3229ca..d08ac56 100644
--- a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp
+++ b/graphics/mapper/2.0/utils/vts/MapperVts.cpp
@@ -14,28 +14,26 @@
  * limitations under the License.
  */
 
-#include <VtsHalHidlTargetTestBase.h>
+#include <mapper-vts/2.0/MapperVts.h>
 
-#include "VtsHalGraphicsMapperTestUtils.h"
+#include <VtsHalHidlTargetTestBase.h>
 
 namespace android {
 namespace hardware {
 namespace graphics {
 namespace mapper {
 namespace V2_0 {
-namespace tests {
+namespace vts {
 
-Gralloc::Gralloc() {
-    init();
+Gralloc::Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName) {
+    init(allocatorServiceName, mapperServiceName);
 }
 
-void Gralloc::init() {
-    mAllocator = ::testing::VtsHalHidlTargetTestBase::getService<IAllocator>(
-        GraphicsMapperHidlEnvironment::Instance()->getServiceName<IAllocator>());
+void Gralloc::init(const std::string& allocatorServiceName, const std::string& mapperServiceName) {
+    mAllocator = ::testing::VtsHalHidlTargetTestBase::getService<IAllocator>(allocatorServiceName);
     ASSERT_NE(nullptr, mAllocator.get()) << "failed to get allocator service";
 
-    mMapper = ::testing::VtsHalHidlTargetTestBase::getService<IMapper>(
-        GraphicsMapperHidlEnvironment::Instance()->getServiceName<IMapper>());
+    mMapper = ::testing::VtsHalHidlTargetTestBase::getService<IMapper>(mapperServiceName);
     ASSERT_NE(nullptr, mMapper.get()) << "failed to get mapper service";
     ASSERT_FALSE(mMapper->isRemote()) << "mapper is not in passthrough mode";
 }
@@ -240,7 +238,7 @@
     return releaseFence;
 }
 
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_0
 }  // namespace mapper
 }  // namespace graphics
diff --git a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h b/graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
similarity index 80%
rename from graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h
rename to graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
index 1f7d88a..6c2c9a6 100644
--- a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h
+++ b/graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef VTS_HAL_GRAPHICS_MAPPER_UTILS
-#define VTS_HAL_GRAPHICS_MAPPER_UTILS
+#pragma once
 
+#include <string>
 #include <unordered_set>
+#include <vector>
 
-#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android/hardware/graphics/allocator/2.0/IAllocator.h>
 #include <android/hardware/graphics/mapper/2.0/IMapper.h>
 #include <utils/StrongPointer.h>
@@ -29,14 +29,15 @@
 namespace graphics {
 namespace mapper {
 namespace V2_0 {
-namespace tests {
+namespace vts {
 
 using android::hardware::graphics::allocator::V2_0::IAllocator;
 
 // A wrapper to IAllocator and IMapper.
 class Gralloc {
    public:
-    Gralloc();
+    Gralloc(const std::string& allocatorServiceName = "default",
+            const std::string& mapperServiceName = "default");
     ~Gralloc();
 
     // IAllocator methods
@@ -73,7 +74,7 @@
     int unlock(const native_handle_t* bufferHandle);
 
    private:
-    void init();
+    void init(const std::string& allocatorServiceName, const std::string& mapperServiceName);
     const native_handle_t* cloneBuffer(const hidl_handle& rawHandle);
 
     sp<IAllocator> mAllocator;
@@ -85,26 +86,9 @@
     std::unordered_set<const native_handle_t*> mImportedBuffers;
 };
 
-// Test environment for graphics.mapper.
-class GraphicsMapperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
-   public:
-    // get the test environment singleton
-    static GraphicsMapperHidlEnvironment* Instance() {
-        static GraphicsMapperHidlEnvironment* instance = new GraphicsMapperHidlEnvironment;
-        return instance;
-    }
-
-    virtual void registerTestServices() override {
-        registerTestService<IAllocator>();
-        registerTestService<IMapper>();
-    }
-};
-
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_0
 }  // namespace mapper
 }  // namespace graphics
 }  // namespace hardware
 }  // namespace android
-
-#endif  // VTS_HAL_GRAPHICS_MAPPER_UTILS