From fe3f2b7e5dcb9065a40a2d652de88ba1b77a5e72 Mon Sep 17 00:00:00 2001
From: foreman
Date: Mon, 19 Mar 2018 13:52:17 -0400
Subject: [PATCH] P4 to Git Change 1528961 by cpaquot@cpaquot-ocl-lc-lnx on
2018/03/19 13:43:08
SWDEV-145570 - Contexts
Create one amd::Context per device
g_context is now thread's current context
HIP doesn't want more than one context per device so we always use the primary one
Affected files ...
... //depot/stg/opencl/drivers/opencl/api/hip/hip_context.cpp#3 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_device.cpp#7 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_internal.hpp#4 edit
---
hipamd/api/hip/hip_context.cpp | 45 +++++++++++++++++++++++++++------
hipamd/api/hip/hip_device.cpp | 18 ++++++-------
hipamd/api/hip/hip_internal.hpp | 3 ++-
3 files changed, 48 insertions(+), 18 deletions(-)
diff --git a/hipamd/api/hip/hip_context.cpp b/hipamd/api/hip/hip_context.cpp
index 78e65e99c5..2a67898bf3 100644
--- a/hipamd/api/hip/hip_context.cpp
+++ b/hipamd/api/hip/hip_context.cpp
@@ -27,7 +27,8 @@ THE SOFTWARE.
#include "utils/versions.hpp"
-amd::Context* g_context = nullptr;
+thread_local amd::Context* g_context = nullptr;
+std::vector g_devices;
hipError_t hipInit(unsigned int flags)
{
@@ -37,14 +38,18 @@ hipError_t hipInit(unsigned int flags)
amd::Runtime::init();
}
- // FIXME: move the global VDI context to hipInit.
- g_context = new amd::Context(
- amd::Device::getDevices(CL_DEVICE_TYPE_GPU, false), amd::Context::Info());
- if (!g_context) return hipErrorOutOfMemory;
+ const std::vector& devices = amd::Device::getDevices(CL_DEVICE_TYPE_GPU, false);
- if (g_context && CL_SUCCESS != g_context->create(nullptr)) {
- g_context->release();
- return hipErrorUnknown;
+ for (unsigned int i=0; i device(1, devices[i]);
+ amd::Context* context = new amd::Context(device, amd::Context::Info());
+ if (!context) return hipErrorOutOfMemory;
+
+ if (context && CL_SUCCESS != context->create(nullptr)) {
+ context->release();
+ } else {
+ g_devices.push_back(context);
+ }
}
return hipSuccess;
@@ -54,6 +59,30 @@ hipError_t hipCtxCreate(hipCtx_t *ctx, unsigned int flags, hipDevice_t device)
{
HIP_INIT_API(ctx, flags, device);
+ if (static_cast(device) >= g_devices.size()) {
+ return hipErrorInvalidValue;
+ }
+
+ *ctx = reinterpret_cast(g_devices[device]);
+
+ return hipSuccess;
+}
+
+hipError_t hipCtxSetCurrent(hipCtx_t ctx)
+{
+ HIP_INIT_API(ctx);
+
+ g_context = reinterpret_cast(ctx);
+
+ return hipSuccess;
+}
+
+hipError_t hipCtxGetCurrent(hipCtx_t* ctx)
+{
+ HIP_INIT_API(ctx);
+
+ *ctx = reinterpret_cast(g_context);
+
return hipSuccess;
}
diff --git a/hipamd/api/hip/hip_device.cpp b/hipamd/api/hip/hip_device.cpp
index f646933bb9..66bae6174e 100644
--- a/hipamd/api/hip/hip_device.cpp
+++ b/hipamd/api/hip/hip_device.cpp
@@ -50,7 +50,7 @@ hipError_t hipDeviceTotalMem (size_t *bytes, hipDevice_t device) {
HIP_INIT_API(bytes, device);
- if (device < 0 || device > (cl_int)g_context->devices().size()) {
+ if (device < 0 || static_cast(device) >= g_devices.size()) {
return hipErrorInvalidDevice;
}
@@ -58,7 +58,7 @@ hipError_t hipDeviceTotalMem (size_t *bytes, hipDevice_t device) {
return hipErrorInvalidValue;
}
- auto* deviceHandle = g_context->devices()[device];
+ auto* deviceHandle = g_devices[device]->devices()[0];
const auto& info = deviceHandle->info();
*bytes = info.globalMemSize_;
@@ -70,7 +70,7 @@ hipError_t hipDeviceComputeCapability(int *major, int *minor, hipDevice_t device
HIP_INIT_API(major, minor, device);
- if (device < 0 || device > (cl_int)g_context->devices().size()) {
+ if (device < 0 || static_cast(device) >= g_devices.size()) {
return hipErrorInvalidDevice;
}
@@ -78,7 +78,7 @@ hipError_t hipDeviceComputeCapability(int *major, int *minor, hipDevice_t device
return hipErrorInvalidValue;
}
- auto* deviceHandle = g_context->devices()[device];
+ auto* deviceHandle = g_devices[device]->devices()[0];
const auto& info = deviceHandle->info();
*major = info.gfxipVersion_ / 100;
*minor = info.gfxipVersion_ % 100;
@@ -94,7 +94,7 @@ hipError_t hipDeviceGetCount(int* count) {
}
// Get all available devices
- *count = g_context->devices().size();
+ *count = g_devices.size();
return hipSuccess;
}
@@ -103,7 +103,7 @@ hipError_t hipDeviceGetName(char *name, int len, hipDevice_t device) {
HIP_INIT_API((void*)name, len, device);
- if (device < 0 || device > (cl_int)g_context->devices().size()) {
+ if (device < 0 || static_cast(device) >= g_devices.size()) {
return hipErrorInvalidDevice;
}
@@ -111,7 +111,7 @@ hipError_t hipDeviceGetName(char *name, int len, hipDevice_t device) {
return hipErrorInvalidValue;
}
- auto* deviceHandle = g_context->devices()[device];
+ auto* deviceHandle = g_devices[device]->devices()[0];
const auto& info = deviceHandle->info();
len = ((cl_uint)len < ::strlen(info.boardName_)) ? len : 128;
@@ -127,10 +127,10 @@ hipError_t hipGetDeviceProperties ( hipDeviceProp_t* props, hipDevice_t device )
return hipErrorInvalidValue;
}
- if (unsigned(device) >= g_context->devices().size()) {
+ if (unsigned(device) >= g_devices.size()) {
return hipErrorInvalidDevice;
}
- auto* deviceHandle = g_context->devices()[device];
+ auto* deviceHandle = g_devices[device]->devices()[0];
hipDeviceProp_t deviceProps = {0};
diff --git a/hipamd/api/hip/hip_internal.hpp b/hipamd/api/hip/hip_internal.hpp
index 159c7671ec..ba9446f2c1 100644
--- a/hipamd/api/hip/hip_internal.hpp
+++ b/hipamd/api/hip/hip_internal.hpp
@@ -36,7 +36,8 @@ THE SOFTWARE.
#define HIP_INIT_API(...) \
HIP_INIT()
-extern amd::Context* g_context;
+extern thread_local amd::Context* g_context;
+extern std::vector g_devices;
hipError_t hipDeviceGetCount(int* count);