intel: implement event functions
diff --git a/icd/intel/CMakeLists.txt b/icd/intel/CMakeLists.txt
index 3ecf72c..222815a 100644
--- a/icd/intel/CMakeLists.txt
+++ b/icd/intel/CMakeLists.txt
@@ -20,6 +20,7 @@
dev.c
dispatch_tables.c
init_driver.c
+ event.c
fence.c
gpu.c
mem.c
diff --git a/icd/intel/dispatch_tables.c b/icd/intel/dispatch_tables.c
index a0e12a2..79cebf3 100644
--- a/icd/intel/dispatch_tables.c
+++ b/icd/intel/dispatch_tables.c
@@ -24,6 +24,7 @@
#include "icd.h"
#include "dev.h"
+#include "event.h"
#include "fence.h"
#include "gpu.h"
#include "mem.h"
@@ -135,32 +136,6 @@
return XGL_ERROR_UNAVAILABLE;
}
-static XGL_RESULT XGLAPI intelCreateEvent(
- XGL_DEVICE device,
- const XGL_EVENT_CREATE_INFO* pCreateInfo,
- XGL_EVENT* pEvent)
-{
- return XGL_ERROR_UNAVAILABLE;
-}
-
-static XGL_RESULT XGLAPI intelGetEventStatus(
- XGL_EVENT event)
-{
- return XGL_ERROR_UNAVAILABLE;
-}
-
-static XGL_RESULT XGLAPI intelSetEvent(
- XGL_EVENT event)
-{
- return XGL_ERROR_UNAVAILABLE;
-}
-
-static XGL_RESULT XGLAPI intelResetEvent(
- XGL_EVENT event)
-{
- return XGL_ERROR_UNAVAILABLE;
-}
-
static XGL_RESULT XGLAPI intelCreateQueryPool(
XGL_DEVICE device,
const XGL_QUERY_POOL_CREATE_INFO* pCreateInfo,
diff --git a/icd/intel/event.c b/icd/intel/event.c
new file mode 100644
index 0000000..50e04ea
--- /dev/null
+++ b/icd/intel/event.c
@@ -0,0 +1,191 @@
+/*
+ * XGL
+ *
+ * Copyright (C) 2014 LunarG, Inc.
+ *
+ * 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 "kmd/winsys.h"
+#include "dev.h"
+#include "mem.h"
+#include "event.h"
+
+static XGL_RESULT event_map(struct intel_event *event, uint32_t **ptr_ret)
+{
+ void *ptr;
+
+ if (!event->obj.mem)
+ return XGL_ERROR_MEMORY_NOT_BOUND;
+
+ /*
+ * This is an unsynchronous mapping. It doesn't look like we want a
+ * synchronous mapping. But it is also unclear what would happen when GPU
+ * writes to it at the same time. We need atomicy here.
+ */
+ ptr = intel_mem_map(event->obj.mem, 0);
+ if (!ptr)
+ return XGL_ERROR_MEMORY_MAP_FAILED;
+
+ *ptr_ret = (uint32_t *) ((uint8_t *) ptr + event->obj.offset);
+
+ return XGL_SUCCESS;
+}
+
+static void event_unmap(struct intel_event *event)
+{
+ intel_mem_unmap(event->obj.mem);
+}
+
+static XGL_RESULT event_write(struct intel_event *event, uint32_t val)
+{
+ XGL_RESULT ret;
+ uint32_t *ptr;
+
+ ret = event_map(event, &ptr);
+ if (ret == XGL_SUCCESS) {
+ *ptr = val;
+ event_unmap(event);
+ }
+
+ return ret;
+}
+
+static XGL_RESULT event_read(struct intel_event *event, uint32_t *val)
+{
+ XGL_RESULT ret;
+ uint32_t *ptr;
+
+ ret = event_map(event, &ptr);
+ if (ret == XGL_SUCCESS) {
+ *val = *ptr;
+ event_unmap(event);
+ }
+
+ return ret;
+}
+
+static void event_destroy_callback(struct intel_obj *obj)
+{
+ struct intel_event *event = intel_event_from_obj(obj);
+
+ intel_event_destroy(event);
+}
+
+XGL_RESULT intel_event_create(struct intel_dev *dev,
+ const XGL_EVENT_CREATE_INFO *info,
+ struct intel_event **event_ret)
+{
+ struct intel_event *event;
+ XGL_MEMORY_REQUIREMENTS *mem_req;
+
+ event = icd_alloc(sizeof(*event), 0, XGL_SYSTEM_ALLOC_API_OBJECT);
+ if (!event)
+ return XGL_ERROR_OUT_OF_MEMORY;
+
+ memset(event, 0, sizeof(*event));
+
+ event->obj.destroy = event_destroy_callback;
+
+ /* use dword aligned to 64-byte boundaries */
+ mem_req = &event->obj.base.mem_requirements;
+ mem_req->size = 4;
+ mem_req->alignment = 64;
+ mem_req->heapCount = 1;
+ mem_req->heaps[0] = 0;
+
+ event->obj.base.dispatch = dev->base.dispatch;
+ if (dev->base.dbg) {
+ event->obj.base.dbg =
+ intel_base_dbg_create(XGL_DBG_OBJECT_EVENT, info, sizeof(*info));
+ if (!event->obj.base.dbg) {
+ icd_free(event);
+ return XGL_ERROR_OUT_OF_MEMORY;
+ }
+ }
+
+ *event_ret = event;
+
+ return XGL_SUCCESS;
+}
+
+void intel_event_destroy(struct intel_event *event)
+{
+ if (event->obj.base.dbg)
+ intel_base_dbg_destroy(event->obj.base.dbg);
+
+ icd_free(event);
+}
+
+XGL_RESULT intel_event_set(struct intel_event *event)
+{
+ return event_write(event, 1);
+}
+
+XGL_RESULT intel_event_reset(struct intel_event *event)
+{
+ return event_write(event, 0);
+}
+
+XGL_RESULT intel_event_get_status(struct intel_event *event)
+{
+ XGL_RESULT ret;
+ uint32_t val;
+
+ ret = event_read(event, &val);
+ if (ret != XGL_SUCCESS)
+ return ret;
+
+ return (val) ? XGL_EVENT_SET : XGL_EVENT_RESET;
+}
+
+XGL_RESULT XGLAPI intelCreateEvent(
+ XGL_DEVICE device,
+ const XGL_EVENT_CREATE_INFO* pCreateInfo,
+ XGL_EVENT* pEvent)
+{
+ struct intel_dev *dev = intel_dev(device);
+
+ return intel_event_create(dev, pCreateInfo,
+ (struct intel_event **) pEvent);
+}
+
+XGL_RESULT XGLAPI intelGetEventStatus(
+ XGL_EVENT event_)
+{
+ struct intel_event *event = intel_event(event_);
+
+ return intel_event_get_status(event);
+}
+
+XGL_RESULT XGLAPI intelSetEvent(
+ XGL_EVENT event_)
+{
+ struct intel_event *event = intel_event(event_);
+
+ return intel_event_set(event);
+}
+
+XGL_RESULT XGLAPI intelResetEvent(
+ XGL_EVENT event_)
+{
+ struct intel_event *event = intel_event(event_);
+
+ return intel_event_reset(event);
+}
diff --git a/icd/intel/event.h b/icd/intel/event.h
new file mode 100644
index 0000000..a8a7767
--- /dev/null
+++ b/icd/intel/event.h
@@ -0,0 +1,67 @@
+/*
+ * XGL
+ *
+ * Copyright (C) 2014 LunarG, Inc.
+ *
+ * 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.
+ */
+
+#ifndef EVENT_H
+#define EVENT_H
+
+struct intel_dev;
+
+struct intel_event {
+ struct intel_obj obj;
+};
+
+static inline struct intel_event *intel_event(XGL_EVENT event)
+{
+ return (struct intel_event *) event;
+}
+
+static inline struct intel_event *intel_event_from_obj(struct intel_obj *obj)
+{
+ return (struct intel_event *) obj;
+}
+
+XGL_RESULT intel_event_create(struct intel_dev *dev,
+ const XGL_EVENT_CREATE_INFO *info,
+ struct intel_event **event_ret);
+void intel_event_destroy(struct intel_event *event);
+
+XGL_RESULT intel_event_set(struct intel_event *event);
+XGL_RESULT intel_event_reset(struct intel_event *event);
+XGL_RESULT intel_event_get_status(struct intel_event *event);
+
+XGL_RESULT XGLAPI intelCreateEvent(
+ XGL_DEVICE device,
+ const XGL_EVENT_CREATE_INFO* pCreateInfo,
+ XGL_EVENT* pEvent);
+
+XGL_RESULT XGLAPI intelGetEventStatus(
+ XGL_EVENT event);
+
+XGL_RESULT XGLAPI intelSetEvent(
+ XGL_EVENT event);
+
+XGL_RESULT XGLAPI intelResetEvent(
+ XGL_EVENT event);
+
+#endif /* EVENT_H */