94 lines
3.5 KiB
C
94 lines
3.5 KiB
C
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/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef QCOM_CLEARREGIONS_H
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#define QCOM_CLEARREGIONS_H
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#include <gralloc_priv.h>
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#include <cutils/memory.h>
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#include <comptype.h>
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#include "egl_handles.h"
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namespace qdutils {
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/*
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* Clear Region implementation for C2D/MDP versions.
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*
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* @param: region to be cleared
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* @param: EGL Display
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* @param: EGL Surface
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*
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* @return 0 on success
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*/
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static int qcomuiClearRegion(Region region, EGLDisplay dpy){
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int ret = 0;
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int compositionType = QCCompositionType::getInstance().getCompositionType();
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if (compositionType == (COMPOSITION_TYPE_DYN|COMPOSITION_TYPE_C2D)){
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// For DYN comp. with C2D, return an error, so that SF can use
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// the GPU to draw the wormhole.
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return -1;
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}
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android_native_buffer_t *renderBuffer =
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qdutils::eglHandles::getInstance().getAndroidNativeRenderBuffer(dpy);
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if (!renderBuffer) {
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ALOGE("%s: eglGetRenderBufferANDROID returned NULL buffer",
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__FUNCTION__);
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return -1;
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}
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private_handle_t *fbHandle = (private_handle_t *)renderBuffer->handle;
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if(!fbHandle) {
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ALOGE("%s: Framebuffer handle is NULL", __FUNCTION__);
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return -1;
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}
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int bytesPerPixel = 4;
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if (HAL_PIXEL_FORMAT_RGB_565 == fbHandle->format) {
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bytesPerPixel = 2;
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}
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Region::const_iterator it = region.begin();
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Region::const_iterator const end = region.end();
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const int32_t stride = renderBuffer->stride*bytesPerPixel;
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while (it != end) {
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const Rect& r = *it++;
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uint8_t* dst = (uint8_t*) fbHandle->base +
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(r.left + r.top*renderBuffer->stride)*bytesPerPixel;
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int w = r.width()*bytesPerPixel;
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int h = r.height();
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do {
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if(4 == bytesPerPixel)
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android_memset32((uint32_t*)dst, 0, w);
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else
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android_memset16((uint16_t*)dst, 0, w);
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dst += stride;
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} while(--h);
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}
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return 0;
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}
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}; //namespace qdutils
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#endif /* end of include guard: QCOM_CLEARREGIONS_H*/
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