gralloc1 : initial implementation
Initial implementation of the gralloc1 APIs
Change-Id: I3b01595b0f9b30d9a08d02101fe42281556bd6a2
diff --git a/libgralloc1/gr_device_impl.h b/libgralloc1/gr_device_impl.h
new file mode 100644
index 0000000..4fc8e3c
--- /dev/null
+++ b/libgralloc1/gr_device_impl.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __GR_DEVICE_IMPL_H__
+#define __GR_DEVICE_IMPL_H__
+
+#include <hardware/hardware.h>
+#include <hardware/gralloc1.h>
+#include "gr_buf_mgr.h"
+
+struct private_module_t {
+ hw_module_t base;
+};
+
+#define GRALLOC_IMPL(exp) reinterpret_cast<GrallocImpl const *>(exp)
+
+namespace gralloc1 {
+
+class GrallocImpl : public gralloc1_device_t {
+ public:
+ explicit GrallocImpl(const private_module_t *module);
+ ~GrallocImpl();
+ bool Init();
+ static int CloseDevice(hw_device_t *device);
+ static void GetCapabilities(struct gralloc1_device *device, uint32_t *out_count,
+ int32_t * /*gralloc1_capability_t*/ out_capabilities);
+ static gralloc1_function_pointer_t GetFunction(
+ struct gralloc1_device *device, int32_t /*gralloc1_function_descriptor_t*/ descriptor);
+
+ private:
+ static inline gralloc1_error_t CheckDeviceAndDescriptor(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor);
+ static inline gralloc1_error_t CheckDeviceAndHandle(gralloc1_device_t *device,
+ buffer_handle_t buffer);
+ static gralloc1_error_t CreateBufferDescriptor(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t *out_descriptor);
+ static gralloc1_error_t DestroyBufferDescriptor(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor);
+ static gralloc1_error_t SetConsumerUsage(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor,
+ gralloc1_consumer_usage_t usage);
+ static gralloc1_error_t SetBufferDimensions(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor,
+ uint32_t width, uint32_t height);
+ static gralloc1_error_t SetColorFormat(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor, int32_t format);
+ static gralloc1_error_t SetProducerUsage(gralloc1_device_t *device,
+ gralloc1_buffer_descriptor_t descriptor,
+ gralloc1_producer_usage_t usage);
+ static gralloc1_error_t GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer,
+ gralloc1_backing_store_t *out_store);
+ static gralloc1_error_t GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
+ gralloc1_consumer_usage_t *out_usage);
+ static gralloc1_error_t GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer,
+ uint32_t *out_width, uint32_t *out_height);
+ static gralloc1_error_t GetColorFormat(gralloc1_device_t *device, buffer_handle_t descriptor,
+ int32_t *outFormat);
+ static gralloc1_error_t GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
+ gralloc1_producer_usage_t *out_usage);
+ static gralloc1_error_t GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer,
+ uint32_t *out_stride);
+ static gralloc1_error_t AllocateBuffers(gralloc1_device_t *device, uint32_t num_dptors,
+ const gralloc1_buffer_descriptor_t *descriptors,
+ buffer_handle_t *out_buffers);
+ static gralloc1_error_t RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer);
+ static gralloc1_error_t ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer);
+ static gralloc1_error_t getNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer,
+ uint32_t *out_num_planes);
+ static gralloc1_error_t LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
+ gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage,
+ const gralloc1_rect_t *access_region, void **out_data,
+ int32_t acquire_fence);
+ static gralloc1_error_t LockFlex(gralloc1_device_t *device, buffer_handle_t buffer,
+ gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage,
+ const gralloc1_rect_t *access_region,
+ struct android_flex_layout *out_flex_layout,
+ int32_t acquireFence);
+ /* TODO(user) : LOCK_YCBCR changed to LOCK_FLEX but structure is not known yet.
+ * Need to implement after clarification from Google.
+ static gralloc1_error_t LockYCbCrBuffer(gralloc1_device_t* device, buffer_handle_t buffer,
+ gralloc1_producer_usage_t producerUsage, gralloc1_consumer_usage_t consumerUsage,
+ const gralloc1_rect_t* Region, struct android_ycbcr* outYCbCr, int32_t* outAcquireFence);
+ */
+ static gralloc1_error_t UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
+ int32_t *release_fence);
+ static gralloc1_error_t Gralloc1Perform(gralloc1_device_t *device, int operation, ...);
+
+ BufferManager *buf_mgr_ = NULL;
+};
+
+} // namespace gralloc1
+
+#endif // __GR_DEVICE_IMPL_H__