Naomi Luis 8d7ff87f5c libQcomUI: Add support for qcom specific layer flags.
Add support for updating the qcom specific layer flags. Add support for
getting the per frame HWC flags based on the layer flags.

Change-Id: I5f7759a6a7fae6d4f70dd26f380a9b08e48e9475
2011-12-11 16:19:48 -08:00

159 lines
4.4 KiB
C

/*
* 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>
#include <ui/GraphicBuffer.h>
using android::sp;
using android::GraphicBuffer;
/*
* Qcom specific Native Window perform operations
*/
enum {
NATIVE_WINDOW_SET_BUFFERS_SIZE = 0x10000000,
NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY = 0x20000000,
};
/*
* Layer Attributes
*/
enum eLayerAttrib {
LAYER_UPDATE_STATUS,
};
/*
* Layer Flags
*/
enum {
LAYER_UPDATING = 1<<0,
};
/*
* Flags set by the layer and sent to HWC
*/
enum {
HWC_LAYER_NOT_UPDATING = 0x00000002,
HWC_USE_ORIGINAL_RESOLUTION = 0x10000000,
HWC_DO_NOT_USE_OVERLAY = 0x20000000,
HWC_COMP_BYPASS = 0x40000000,
};
/*
* Structure to hold the buffer geometry
*/
struct qBufGeometry {
int width;
int height;
int format;
void set(int w, int h, int f) {
width = w;
height = h;
format = f;
}
};
/*
* 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);
/*
* Checks if memory needs to be reallocated for this buffer.
*
* @param: Geometry of the current buffer.
* @param: Required Geometry.
* @param: Geometry of the updated buffer.
*
* @return True if a memory reallocation is required.
*/
bool needNewBuffer(const qBufGeometry currentGeometry,
const qBufGeometry requiredGeometry,
const qBufGeometry updatedGeometry);
/*
* Update the geometry of this buffer without reallocation.
*
* @param: buffer whose geometry needs to be updated.
* @param: Updated buffer geometry
*/
int updateBufferGeometry(sp<GraphicBuffer> buffer, const qBufGeometry bufGeometry);
/*
* Updates the flags for the layer
*
* @param: Attribute
* @param: Identifies if the attribute was enabled or disabled.
* @param: current Layer flags.
*
* @return: Flags for the layer
*/
int updateLayerQcomFlags(eLayerAttrib attribute, bool enable, int& currentFlags);
/*
* Gets the per frame HWC flags for this layer.
*
* @param: current hwcl flags
* @param: current layerFlags
*
* @return: the per frame flags.
*/
int getPerFrameFlags(int hwclFlags, int layerFlags);
#endif // INCLUDE_LIBQCOM_UI