From 8e2b7147a51bbe5b3a1d22b2a635970b439503e1 Mon Sep 17 00:00:00 2001
From: Aditya Atluri <Aditya.Atluri@amd.com>
Date: Fri, 31 Mar 2017 14:30:40 -0500
Subject: [PATCH] added module api sample which uses hipHccModuleLaunchKernel

Change-Id: I7bce60b4480a3b5ff7ed69c3256078ded65a0945
---
 samples/0_Intro/module_api/Makefile           |   3 +
 .../0_Intro/module_api/launchKernelHcc.cpp    | 112 ++++++++++++++++++
 samples/0_Intro/module_api/runKernel.cpp      |   4 -
 3 files changed, 115 insertions(+), 4 deletions(-)
 create mode 100644 samples/0_Intro/module_api/launchKernelHcc.cpp

diff --git a/samples/0_Intro/module_api/Makefile b/samples/0_Intro/module_api/Makefile
index 632a8d3e70..38bd00a6a6 100644
--- a/samples/0_Intro/module_api/Makefile
+++ b/samples/0_Intro/module_api/Makefile
@@ -10,6 +10,9 @@ all: vcpy_kernel.code runKernel.hip.out defaultDriver.hip.out
 runKernel.hip.out: runKernel.cpp
 	$(HIPCC) $(HIPCC_FLAGS) $< -o $@
 
+launchKernelHcc.hip.out: launchKernelHcc.cpp
+	$(HIPCC) $(HIPCC_FLAGS) $< -o $@
+
 defaultDriver.hip.out: defaultDriver.cpp
 	$(HIPCC)  $(HIPCC_FLAGS) $< -o $@
 
diff --git a/samples/0_Intro/module_api/launchKernelHcc.cpp b/samples/0_Intro/module_api/launchKernelHcc.cpp
new file mode 100644
index 0000000000..e86e44cb24
--- /dev/null
+++ b/samples/0_Intro/module_api/launchKernelHcc.cpp
@@ -0,0 +1,112 @@
+/*
+Copyright (c) 2015 - present Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+
+
+#include "hip/hip_runtime.h"
+#include "hip/hip_runtime_api.h"
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+#ifdef __HIP_PLATFORM_HCC__
+#include <hip/hip_hcc.h>
+#endif
+
+#define LEN 64
+#define SIZE LEN<<2
+
+#define fileName "vcpy_kernel.code"
+#define kernel_name "hello_world"
+
+#define HIP_CHECK(status) \
+if(status != hipSuccess) {std::cout<<"Got Status: "<<status<<" at Line: "<<__LINE__<<std::endl;exit(0);}
+
+int main(){
+    float *A, *B;
+    hipDeviceptr_t Ad, Bd;
+    A = new float[LEN];
+    B = new float[LEN];
+
+    for(uint32_t i=0;i<LEN;i++){
+        A[i] = i*1.0f;
+        B[i] = 0.0f;
+    }
+
+    hipInit(0);
+    hipDevice_t device;
+    hipCtx_t context;
+    hipDeviceGet(&device, 0);
+    hipCtxCreate(&context, 0, device);
+
+    hipMalloc((void**)&Ad, SIZE);
+    hipMalloc((void**)&Bd, SIZE);
+
+    hipMemcpyHtoD(Ad, A, SIZE);
+    hipMemcpyHtoD(Bd, B, SIZE);
+    hipModule_t Module;
+    hipFunction_t Function;
+    HIP_CHECK(hipModuleLoad(&Module, fileName));
+    HIP_CHECK(hipModuleGetFunction(&Function, Module, kernel_name));
+
+		uint32_t len = LEN;
+		uint32_t one = 1;
+
+    struct {
+        void * _Ad;
+        void * _Bd;
+    } args;
+
+    args._Ad = Ad;
+    args._Bd = Bd;
+
+
+
+    size_t size = sizeof(args);
+
+    void *config[] = {
+      HIP_LAUNCH_PARAM_BUFFER_POINTER, &args,
+      HIP_LAUNCH_PARAM_BUFFER_SIZE, &size,
+      HIP_LAUNCH_PARAM_END
+    };
+
+    HIP_CHECK(hipHccModuleLaunchKernel(Function, LEN, 1, 1, LEN, 1, 1, 0, 0, NULL, (void**)&config));
+
+    hipMemcpyDtoH(B, Bd, SIZE);
+
+    int mismatchCount = 0;
+    for(uint32_t i=0;i<LEN;i++){
+        if (A[i] != B[i]) {
+            mismatchCount++;
+            std::cout<<"error: mismatch " << A[i]<<" != "<<B[i]<<std::endl;
+        }
+    }
+
+    if (mismatchCount == 0) {
+        std::cout << "PASSED!\n";
+    } else {
+        std::cout << "FAILED!\n";
+    };
+
+    hipCtxDestroy(context);
+    return 0;
+}
diff --git a/samples/0_Intro/module_api/runKernel.cpp b/samples/0_Intro/module_api/runKernel.cpp
index 355f0bf5da..2759c02140 100644
--- a/samples/0_Intro/module_api/runKernel.cpp
+++ b/samples/0_Intro/module_api/runKernel.cpp
@@ -68,14 +68,10 @@ int main(){
 		uint32_t one = 1;
 
     struct {
-        uint32_t _hidden[6];
         void * _Ad;
         void * _Bd;
     } args;
 
-    for (int i=0; i<6; i++) {
-        args._hidden[i] = 0;
-    }
     args._Ad = Ad;
     args._Bd = Bd;