universal7870: rework shims

shims/libui/GraphicBufferMapper.cpp

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "GraphicBufferMapper_shim"
+#define LOG_NDEBUG 0
+
+#include <stdint.h>
+#include <errno.h>
+
+#include <sync/sync.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <utils/Trace.h>
+
+#include <ui/Rect.h>
+
+#include <hardware/gralloc.h>
+
+#include "GraphicBufferMapper.h"
+
+namespace android {
+
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper )
+
+GraphicBufferMapper::GraphicBufferMapper()
+	: mModule(nullptr)
+{
+	const hw_module_t* module;
+	int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+
+	ALOGE_IF(err, "cannot find gralloc-module %s", GRALLOC_HARDWARE_MODULE_ID);
+	if (err == 0) {
+		mModule = reinterpret_cast<gralloc_module_t const *>(module);
+	}
+}
+
+status_t GraphicBufferMapper::importBuffer(buffer_handle_t handle, buffer_handle_t* outHandle)
+{
+	ATRACE_CALL();
+	status_t err;
+
+	if (mModule->registerBuffer == NULL) {
+		ALOGW("registerBuffer(%p) not found", handle);
+		return -EINVAL;
+	}
+
+	err = mModule->registerBuffer(mModule, handle);
+	*outHandle = handle;
+
+	ALOGW_IF(err, "registerBuffer(%p) failed: %d (%s)", handle, -err, strerror(-err));
+	return err;
+}
+
+status_t GraphicBufferMapper::freeBuffer(buffer_handle_t handle)
+{
+	ATRACE_CALL();
+	status_t err;
+
+	if (mModule->unregisterBuffer == NULL) {
+		ALOGW("unregisterBuffer(%p) not found", handle);
+		return -EINVAL;
+	}
+
+	err = mModule->unregisterBuffer(mModule, handle);
+
+	ALOGW_IF(err, "unregisterBuffer(%p) failed: %d (%s)", handle, -err, strerror(-err));
+	return err;
+}
+
+status_t GraphicBufferMapper::lock(buffer_handle_t handle,
+		uint32_t usage, const Rect& bounds, void** vaddr)
+{
+	ATRACE_CALL();
+	status_t err;
+
+	if (mModule->lock == NULL) {
+		ALOGW("lock(%p) not found", handle);
+		return -EINVAL;
+	}
+
+	err = mModule->lock(mModule, handle, static_cast<int>(usage),
+			bounds.left, bounds.top, bounds.width(), bounds.height(),
+			vaddr);
+
+	ALOGW_IF(err, "lock(%p) failed: %d (%s)", handle, -err, strerror(-err));
+	return err;
+}
+
+status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle,
+		uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr)
+{
+	ATRACE_CALL();
+	status_t err;
+
+	if (mModule->lock_ycbcr == NULL) {
+		ALOGW("lock_ycbcr(%p) not found", handle);
+		return -EINVAL;
+	}
+
+	err = mModule->lock_ycbcr(mModule, handle, static_cast<int>(usage),
+			bounds.left, bounds.top, bounds.width(), bounds.height(),
+			ycbcr);
+
+	ALOGW_IF(err, "lock_ycbcr(%p) failed: %d (%s)", handle, -err, strerror(-err));
+	return err;
+}
+
+status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
+{
+	ATRACE_CALL();
+	status_t err;
+
+	if (mModule->unlock == NULL) {
+		ALOGW("unlock(%p) not found", handle);
+		return -EINVAL;
+	}
+
+	err = mModule->unlock(mModule, handle);
+
+	ALOGW_IF(err, "unlock(%p) failed: %d (%s)", handle, -err, strerror(-err));
+	return err;
+}
+
+}; // namespace android