android/android_hardware_qcom_display
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Display: Add libQcomUI

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Add libQComUI which is used to perform operations specified by
SurfaceTextures.
The operation currently supported by this library is SET_BUFFER_SIZE
which deallocates and reallocates memory if the size allocated for the
buffer does not match the size requested by the client.

Change-Id: I370b94a91f5acf373f7040742aad7c2e7bb586fe
This commit is contained in:
Naomi Luis 2011-12-07 13:02:35 -08:00
parent 2987491ac8
commit 18e73bc5c7
4 changed files with 263 additions and 0 deletions
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1
Android.mk
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@ -1,4 +1,5 @@
#Enables the listed display HAL modules
display-hals := libhwcomposer liboverlay libgralloc libgenlock libcopybit libtilerenderer
display-hals += libqcomui
include $(call all-named-subdir-makefiles,$(display-hals))

16
libqcomui/Android.mk Normal file
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@ -0,0 +1,16 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
qcom_ui.cpp
LOCAL_SHARED_LIBRARIES := \
libutils \
libcutils \
libmemalloc
LOCAL_C_INCLUDES := $(TOP)/hardware/qcom/display/libgralloc
LOCAL_CFLAGS := -DLOG_TAG=\"libQcomUI\"
LOCAL_MODULE := libQcomUI
LOCAL_MODULE_TAGS := optional
include $(BUILD_SHARED_LIBRARY)

174
libqcomui/qcom_ui.cpp Normal file
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@ -0,0 +1,174 @@
/*
* Copyright (c) 2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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.
*/
#include <cutils/log.h>
#include <qcom_ui.h>
#include <gralloc_priv.h>
#include <alloc_controller.h>
#include <memalloc.h>
#include <errno.h>
using gralloc::IMemAlloc;
using gralloc::IonController;
using gralloc::alloc_data;
using android::sp;
namespace {
static android::sp<gralloc::IAllocController> sAlloc = 0;
int reallocate_memory(native_handle_t *buffer_handle, int mReqSize, int usage)
{
int ret = 0;
if (sAlloc == 0) {
sAlloc = gralloc::IAllocController::getInstance(true);
}
if (sAlloc == 0) {
LOGE("sAlloc is still NULL");
return -EINVAL;
}
// Dealloc the old memory
private_handle_t *hnd = (private_handle_t *)buffer_handle;
sp<IMemAlloc> memalloc = sAlloc->getAllocator(hnd->flags);
ret = memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd);
if (ret) {
LOGE("%s: free_buffer failed", __FUNCTION__);
return -1;
}
// Realloc new memory
alloc_data data;
data.base = 0;
data.fd = -1;
data.offset = 0;
data.size = mReqSize;
data.align = getpagesize();
data.uncached = true;
int allocFlags = usage;
switch (hnd->format) {
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED^HAL_PIXEL_FORMAT_INTERLACE): {
data.align = 8192;
} break;
default: break;
}
ret = sAlloc->allocate(data, allocFlags, 0);
if (ret == 0) {
hnd->fd = data.fd;
hnd->base = (int)data.base;
hnd->offset = data.offset;
hnd->size = data.size;
} else {
LOGE("%s: allocate failed", __FUNCTION__);
return -EINVAL;
}
return ret;
}
}; // ANONYNMOUS NAMESPACE
/*
* Gets the number of arguments required for this operation.
*
* @param: operation whose argument count is required.
*
* @return -EINVAL if the operation is invalid.
*/
int getNumberOfArgsForOperation(int operation) {
int num_args = -EINVAL;
switch(operation) {
case NATIVE_WINDOW_SET_BUFFERS_SIZE:
num_args = 1;
break;
default: LOGE("%s: invalid operation(0x%x)", __FUNCTION__, operation);
break;
};
return num_args;
}
/*
* Checks if the format is supported by the GPU.
*
* @param: format to check
*
* @return true if the format is supported by the GPU.
*/
bool isGPUSupportedFormat(int format) {
bool isSupportedFormat = true;
switch(format) {
case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED^HAL_PIXEL_FORMAT_INTERLACE):
case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED|HAL_3D_OUT_SIDE_BY_SIDE
|HAL_3D_IN_SIDE_BY_SIDE_R_L):
case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED|HAL_3D_OUT_SIDE_BY_SIDE
|HAL_3D_IN_SIDE_BY_SIDE_L_R):
isSupportedFormat = false;
break;
default: break;
}
return isSupportedFormat;
}
/*
* Function to check if the allocated buffer is of the correct size.
* Reallocate the buffer with the correct size, if the size doesn't
* match
*
* @param: handle of the allocated buffer
* @param: requested size for the buffer
* @param: usage flags
*
* return 0 on success
*/
int checkBuffer(native_handle_t *buffer_handle, int size, int usage)
{
// If the client hasn't set a size, return
if (0 == size) {
return 0;
}
// Validate the handle
if (private_handle_t::validate(buffer_handle)) {
LOGE("%s: handle is invalid", __FUNCTION__);
return -EINVAL;
}
// Obtain the private_handle from the native handle
private_handle_t *hnd = reinterpret_cast<private_handle_t*>(buffer_handle);
if (hnd->size < size) {
return reallocate_memory(hnd, size, usage);
}
return 0;
}

72
libqcomui/qcom_ui.h Normal file
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@ -0,0 +1,72 @@
/*
* Copyright (c) 2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 INCLUDE_LIBQCOM_UI
#define INCLUDE_LIBQCOM_UI
#include <cutils/native_handle.h>
/*
* Qcom specific Native Window perform operations
*/
enum {
NATIVE_WINDOW_SET_BUFFERS_SIZE = 0x10000000,
};
/*
* Function to check if the allocated buffer is of the correct size.
* Reallocate the buffer with the correct size, if the size doesn't
* match
*
* @param: handle of the allocated buffer
* @param: requested size for the buffer
* @param: usage flags
*
* return 0 on success
*/
int checkBuffer(native_handle_t *buffer_handle, int size, int usage);
/*
* Checks if the format is supported by the GPU.
*
* @param: format to check
*
* @return true if the format is supported by the GPU.
*/
bool isGPUSupportedFormat(int format);
/*
* Gets the number of arguments required for this operation.
*
* @param: operation whose argument count is required.
*
* @return -EINVAL if the operation is invalid.
*/
int getNumberOfArgsForOperation(int operation);
#endif // INCLUDE_LIBQCOM_UI