97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
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/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "hwc_utils.h"
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namespace qhwc {
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void initContext(hwc_context_t *ctx)
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{
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//XXX: target specific initializations here
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openFramebufferDevice(ctx);
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ctx->mOverlay = overlay::Overlay::getInstance();
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ctx->qbuf = new QueuedBufferStore();
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}
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void closeContext(hwc_context_t *ctx)
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{
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if(ctx->mOverlay) {
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delete ctx->mOverlay;
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ctx->mOverlay = NULL;
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}
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if(ctx->fbDev) {
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framebuffer_close(ctx->fbDev);
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ctx->fbDev = NULL;
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}
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if(ctx->qbuf) {
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delete ctx->qbuf;
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ctx->qbuf = NULL;
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}
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}
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// Opens Framebuffer device
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void openFramebufferDevice(hwc_context_t *ctx) {
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hw_module_t const *module;
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if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) {
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framebuffer_open(module, &(ctx->fbDev));
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}
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}
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void dumpLayer(hwc_layer_t const* l)
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{
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ALOGD("\ttype=%d, flags=%08x, handle=%p, tr=%02x, blend=%04x, {%d,%d,%d,%d}"
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", {%d,%d,%d,%d}",
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l->compositionType, l->flags, l->handle, l->transform, l->blending,
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l->sourceCrop.left,
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l->sourceCrop.top,
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l->sourceCrop.right,
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l->sourceCrop.bottom,
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l->displayFrame.left,
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l->displayFrame.top,
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l->displayFrame.right,
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l->displayFrame.bottom);
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}
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void getLayerStats(hwc_context_t *ctx, const hwc_layer_list_t *list)
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{
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int yuvBufCount = 0;
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int layersNotUpdatingCount = 0;
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for (size_t i=0 ; i<list->numHwLayers; i++) {
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private_handle_t *hnd = (private_handle_t *)list->hwLayers[i].handle;
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if (isYuvBuffer(hnd)) {
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yuvBufCount++;
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}
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}
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// Number of video/camera layers drawable with overlay
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ctx->yuvBufferCount = yuvBufCount;
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ctx->numHwLayers = list->numHwLayers;
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return;
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}
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void handleYUV(hwc_context_t *ctx, hwc_layer_t *layer)
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{
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private_handle_t *hnd =
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(private_handle_t *)layer->handle;
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//XXX: Handle targets not using overlay
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if(prepareOverlay(ctx, layer)) {
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layer->compositionType = HWC_USE_OVERLAY;
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layer->hints |= HWC_HINT_CLEAR_FB;
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}
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}
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};//namespace
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