From c6e7a0d0d38d415a515f1e2ddcce5583d73d2937 Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Mon, 16 Sep 2013 21:44:19 -0700
Subject: [PATCH] clover: Simplify the platform object by using util/range.

Tested-by: Tom Stellard <thomas.stellard@amd.com>
---
 src/gallium/state_trackers/clover/core/device.hpp  |  2 +-
 .../state_trackers/clover/core/platform.cpp        |  4 +--
 .../state_trackers/clover/core/platform.hpp        | 30 ++++------------------
 3 files changed, 8 insertions(+), 28 deletions(-)

diff --git a/src/gallium/state_trackers/clover/core/device.hpp b/src/gallium/state_trackers/clover/core/device.hpp
index 95669bd..42e32a1 100644
--- a/src/gallium/state_trackers/clover/core/device.hpp
+++ b/src/gallium/state_trackers/clover/core/device.hpp
@@ -35,7 +35,7 @@ namespace clover {
    class root_resource;
    class hard_event;
 
-   class device : public _cl_device_id {
+   class device : public ref_counter, public _cl_device_id {
    public:
       device(clover::platform &platform, pipe_loader_device *ldev);
       device(device &&dev);
diff --git a/src/gallium/state_trackers/clover/core/platform.cpp b/src/gallium/state_trackers/clover/core/platform.cpp
index 31e8830..e35b1f9 100644
--- a/src/gallium/state_trackers/clover/core/platform.cpp
+++ b/src/gallium/state_trackers/clover/core/platform.cpp
@@ -24,7 +24,7 @@
 
 using namespace clover;
 
-platform::platform() {
+platform::platform() : adaptor_range(derefs(), devs) {
    int n = pipe_loader_probe(NULL, 0);
    std::vector<pipe_loader_device *> ldevs(n);
 
@@ -32,7 +32,7 @@ platform::platform() {
 
    for (pipe_loader_device *ldev : ldevs) {
       try {
-         devs.emplace_back(*this, ldev);
+         devs.push_back(transfer(new device(*this, ldev)));
       } catch (error &) {}
    }
 }
diff --git a/src/gallium/state_trackers/clover/core/platform.hpp b/src/gallium/state_trackers/clover/core/platform.hpp
index 26c65c7..83f0cab 100644
--- a/src/gallium/state_trackers/clover/core/platform.hpp
+++ b/src/gallium/state_trackers/clover/core/platform.hpp
@@ -27,37 +27,17 @@
 
 #include "core/object.hpp"
 #include "core/device.hpp"
+#include "util/range.hpp"
 
 namespace clover {
-   class platform : public _cl_platform_id {
+   class platform : public _cl_platform_id,
+                    public adaptor_range<
+      derefs, std::vector<ref_ptr<device>> &> {
    public:
-      typedef std::vector<device>::iterator iterator;
-
       platform();
 
-      ///
-      /// Container of all compute devices that are available in the platform.
-      ///
-      /// @{
-      iterator begin() {
-         return devs.begin();
-      }
-
-      iterator end() {
-         return devs.end();
-      }
-
-      device &front() {
-         return devs.front();
-      }
-
-      device &back() {
-         return devs.back();
-      }
-      /// @}
-
    protected:
-      std::vector<device> devs;
+      std::vector<ref_ptr<device>> devs;
    };
 }
 
-- 
2.7.4