[Mesa-stable] [Mesa-dev][PATCH v3 1/1] clover: use pipe_resource references

[Jan Vesely]

v2: buffers are created with one reference.
v3: add pipe_resource reference to mapping object

CC: "17.0 13.0" <mesa-stable at lists.freedesktop.org>

Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
 src/gallium/state_trackers/clover/core/resource.cpp | 11 ++++++++---
 src/gallium/state_trackers/clover/core/resource.hpp |  7 ++++---
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/gallium/state_trackers/clover/core/resource.cpp b/src/gallium/state_trackers/clover/core/resource.cpp
index 06fd3f6..83e3c26 100644
--- a/src/gallium/state_trackers/clover/core/resource.cpp
+++ b/src/gallium/state_trackers/clover/core/resource.cpp
@@ -25,6 +25,7 @@
 #include "pipe/p_screen.h"
 #include "util/u_sampler.h"
 #include "util/u_format.h"
+#include "util/u_inlines.h"
 
 using namespace clover;
 
@@ -176,7 +177,7 @@ root_resource::root_resource(clover::device &dev, memory_obj &obj,
 }
 
 root_resource::~root_resource() {
-   device().pipe->resource_destroy(device().pipe, pipe);
+   pipe_resource_reference(&this->pipe, NULL);
 }
 
 sub_resource::sub_resource(resource &r, const vector &offset) :
@@ -202,18 +203,21 @@ mapping::mapping(command_queue &q, resource &r,
       pxfer = NULL;
       throw error(CL_OUT_OF_RESOURCES);
    }
+   pipe_resource_reference(&res, r.pipe);
 }
 
 mapping::mapping(mapping &&m) :
-   pctx(m.pctx), pxfer(m.pxfer), p(m.p) {
+   pctx(m.pctx), pxfer(m.pxfer), res(m.res), p(m.p) {
    m.pctx = NULL;
    m.pxfer = NULL;
+   m.res = NULL;
    m.p = NULL;
 }
 
 mapping::~mapping() {
    if (pxfer) {
       pctx->transfer_unmap(pctx, pxfer);
    }
+   pipe_resource_reference(&res, NULL);
 }
 
@@ -222,5 +226,6 @@ mapping::operator=(mapping m) {
    std::swap(pctx, m.pctx);
    std::swap(pxfer, m.pxfer);
+   std::swap(res, m.res);
    std::swap(p, m.p);
    return *this;
 }
diff --git a/src/gallium/state_trackers/clover/core/resource.hpp b/src/gallium/state_trackers/clover/core/resource.hpp
index 9993dcb..cea9617 100644
--- a/src/gallium/state_trackers/clover/core/resource.hpp
+++ b/src/gallium/state_trackers/clover/core/resource.hpp
@@ -123,9 +123,10 @@ namespace clover {
       }
 
    private:
-      pipe_context *pctx;
-      pipe_transfer *pxfer;
-      void *p;
+      pipe_context *pctx = NULL;
+      pipe_transfer *pxfer = NULL;
+      pipe_resource *res = NULL;
+      void *p = NULL;
    };
 }
 
-- 
2.9.3