018e54569f
MDP4 supports scaling with alpha, only in RGB pipes. In some cases this scaling happened with video pipes. We now fall back to GLES composition for layers that have alpha and need scaling. Change-Id: I084355bad1cdb17c7308077b56006c59e75d2042 Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org> Bug: 7648647
355 lines
11 KiB
C++
355 lines
11 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, The Linux Foundation 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 <sys/ioctl.h>
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#include <EGL/egl.h>
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#include <cutils/properties.h>
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#include <gralloc_priv.h>
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#include <fb_priv.h>
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#include <overlay.h>
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#include "hwc_utils.h"
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#include "hwc_mdpcomp.h"
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#include "mdp_version.h"
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#include "external.h"
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#include "QService.h"
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namespace qhwc {
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// Opens Framebuffer device
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static void openFramebufferDevice(hwc_context_t *ctx)
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{
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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->mFbDev));
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private_module_t* m = reinterpret_cast<private_module_t*>(
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ctx->mFbDev->common.module);
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//xres, yres may not be 32 aligned
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = m->finfo.line_length /
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(m->info.xres/8);
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = m->info.xres;
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = m->info.yres;
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = ctx->mFbDev->xdpi;
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ctx->mFbDev->ydpi;
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period =
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1000000000l / ctx->mFbDev->fps;
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = openFb(HWC_DISPLAY_PRIMARY);
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}
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}
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void initContext(hwc_context_t *ctx)
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{
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openFramebufferDevice(ctx);
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overlay::Overlay::initOverlay();
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ctx->mOverlay = overlay::Overlay::getInstance();
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ctx->mQService = qService::QService::getInstance(ctx);
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ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
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ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
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ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
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ctx->mExtDisplay = new ExternalDisplay(ctx);
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ctx->mLayerCache = new LayerCache();
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MDPComp::init(ctx);
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pthread_mutex_init(&(ctx->vstate.lock), NULL);
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pthread_cond_init(&(ctx->vstate.cond), NULL);
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ctx->vstate.enable = false;
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ALOGI("Initializing Qualcomm Hardware Composer");
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ALOGI("MDP version: %d", ctx->mMDP.version);
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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->mFbDev) {
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framebuffer_close(ctx->mFbDev);
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ctx->mFbDev = NULL;
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close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
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ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
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}
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if(ctx->mExtDisplay) {
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delete ctx->mExtDisplay;
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ctx->mExtDisplay = NULL;
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}
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pthread_mutex_destroy(&(ctx->vstate.lock));
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pthread_cond_destroy(&(ctx->vstate.cond));
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}
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void dumpLayer(hwc_layer_1_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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static inline bool isAlphaScaled(hwc_layer_1_t const* layer) {
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int dst_w, dst_h, src_w, src_h;
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hwc_rect_t displayFrame = layer->displayFrame;
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hwc_rect_t sourceCrop = layer->sourceCrop;
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dst_w = displayFrame.right - displayFrame.left;
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dst_h = displayFrame.bottom - displayFrame.top;
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src_w = sourceCrop.right - sourceCrop.left;
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src_h = sourceCrop.bottom - sourceCrop.top;
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if(((src_w != dst_w) || (src_h != dst_h))) {
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if(layer->blending != HWC_BLENDING_NONE)
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return true;
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}
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return false;
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}
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void setListStats(hwc_context_t *ctx,
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const hwc_display_contents_1_t *list, int dpy) {
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ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
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ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
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ctx->listStats[dpy].yuvCount = 0;
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ctx->listStats[dpy].yuvIndex = -1;
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ctx->listStats[dpy].skipCount = 0;
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ctx->listStats[dpy].needsAlphaScale = false;
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for (size_t i = 0; i < list->numHwLayers; i++) {
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hwc_layer_1_t const* layer = &list->hwLayers[i];
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private_handle_t *hnd = (private_handle_t *)layer->handle;
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if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
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continue;
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//We disregard FB being skip for now! so the else if
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} else if (isSkipLayer(&list->hwLayers[i])) {
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ctx->listStats[dpy].skipCount++;
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}
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if(!ctx->listStats[dpy].needsAlphaScale)
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ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
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if (UNLIKELY(isYuvBuffer(hnd))) {
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ctx->listStats[dpy].yuvCount++;
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ctx->listStats[dpy].yuvIndex = i;
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}
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}
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}
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static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
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float& rightCutRatio, float& bottomCutRatio, int orient) {
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if(orient & HAL_TRANSFORM_FLIP_H) {
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swap(leftCutRatio, rightCutRatio);
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}
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if(orient & HAL_TRANSFORM_FLIP_V) {
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swap(topCutRatio, bottomCutRatio);
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}
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if(orient & HAL_TRANSFORM_ROT_90) {
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//Anti clock swapping
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float tmpCutRatio = leftCutRatio;
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leftCutRatio = topCutRatio;
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topCutRatio = rightCutRatio;
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rightCutRatio = bottomCutRatio;
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bottomCutRatio = tmpCutRatio;
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}
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}
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bool isSecuring(hwc_context_t* ctx) {
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if((ctx->mMDP.version < qdutils::MDSS_V5) &&
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(ctx->mMDP.version > qdutils::MDP_V3_0) &&
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ctx->mSecuring) {
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return true;
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}
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return false;
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}
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//Crops source buffer against destination and FB boundaries
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void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
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const int fbWidth, const int fbHeight, int orient) {
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int& crop_l = crop.left;
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int& crop_t = crop.top;
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int& crop_r = crop.right;
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int& crop_b = crop.bottom;
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int crop_w = crop.right - crop.left;
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int crop_h = crop.bottom - crop.top;
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int& dst_l = dst.left;
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int& dst_t = dst.top;
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int& dst_r = dst.right;
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int& dst_b = dst.bottom;
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int dst_w = abs(dst.right - dst.left);
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int dst_h = abs(dst.bottom - dst.top);
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float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
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bottomCutRatio = 0.0f;
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if(dst_l < 0) {
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leftCutRatio = (float)(0.0f - dst_l) / (float)dst_w;
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dst_l = 0;
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}
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if(dst_r > fbWidth) {
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rightCutRatio = (float)(dst_r - fbWidth) / (float)dst_w;
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dst_r = fbWidth;
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}
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if(dst_t < 0) {
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topCutRatio = (float)(0 - dst_t) / (float)dst_h;
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dst_t = 0;
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}
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if(dst_b > fbHeight) {
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bottomCutRatio = (float)(dst_b - fbHeight) / (float)dst_h;
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dst_b = fbHeight;
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}
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calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
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crop_l += crop_w * leftCutRatio;
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crop_t += crop_h * topCutRatio;
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crop_r -= crop_w * rightCutRatio;
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crop_b -= crop_h * bottomCutRatio;
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}
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bool isExternalActive(hwc_context_t* ctx) {
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return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
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}
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int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy) {
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int ret = 0;
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#ifdef USE_FENCE_SYNC
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struct mdp_buf_sync data;
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int acquireFd[MAX_NUM_LAYERS];
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int count = 0;
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int releaseFd = -1;
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int fbFd = -1;
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data.flags = MDP_BUF_SYNC_FLAG_WAIT;
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data.acq_fen_fd = acquireFd;
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data.rel_fen_fd = &releaseFd;
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//Accumulate acquireFenceFds
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for(uint32_t i = 0; i < list->numHwLayers; i++) {
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if((list->hwLayers[i].compositionType == HWC_OVERLAY ||
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list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) &&
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list->hwLayers[i].acquireFenceFd != -1 ){
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acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
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}
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}
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data.acq_fen_fd_cnt = count;
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fbFd = ctx->dpyAttr[dpy].fd;
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//Waits for acquire fences, returns a release fence
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ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
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if(ret < 0) {
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ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
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strerror(errno));
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}
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for(uint32_t i = 0; i < list->numHwLayers; i++) {
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if((list->hwLayers[i].compositionType == HWC_OVERLAY ||
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list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET)) {
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//Close the acquireFenceFds
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if(list->hwLayers[i].acquireFenceFd > 0) {
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close(list->hwLayers[i].acquireFenceFd);
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list->hwLayers[i].acquireFenceFd = -1;
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}
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//Populate releaseFenceFds.
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list->hwLayers[i].releaseFenceFd = dup(releaseFd);
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}
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}
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list->retireFenceFd = releaseFd;
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#endif
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return ret;
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}
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void LayerCache::resetLayerCache(int num) {
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for(uint32_t i = 0; i < MAX_NUM_LAYERS; i++) {
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hnd[i] = NULL;
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}
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numHwLayers = num;
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}
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void LayerCache::updateLayerCache(hwc_display_contents_1_t* list) {
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int numFbLayers = 0;
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int numCacheableLayers = 0;
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canUseLayerCache = false;
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//Bail if geometry changed or num of layers changed
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if(list->flags & HWC_GEOMETRY_CHANGED ||
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list->numHwLayers != numHwLayers ) {
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resetLayerCache(list->numHwLayers);
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return;
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}
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for(uint32_t i = 0; i < list->numHwLayers; i++) {
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//Bail on skip layers
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if(list->hwLayers[i].flags & HWC_SKIP_LAYER) {
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resetLayerCache(list->numHwLayers);
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return;
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}
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if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER) {
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numFbLayers++;
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if(hnd[i] == NULL) {
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hnd[i] = list->hwLayers[i].handle;
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} else if (hnd[i] ==
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list->hwLayers[i].handle) {
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numCacheableLayers++;
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} else {
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hnd[i] = NULL;
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return;
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}
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} else {
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hnd[i] = NULL;
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}
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}
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if(numFbLayers == numCacheableLayers)
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canUseLayerCache = true;
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//XXX: The marking part is separate, if MDP comp wants
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// to use it in the future. Right now getting MDP comp
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// to use this is more trouble than it is worth.
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markCachedLayersAsOverlay(list);
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}
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void LayerCache::markCachedLayersAsOverlay(hwc_display_contents_1_t* list) {
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//This optimization only works if ALL the layer handles
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//that were on the framebuffer didn't change.
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if(canUseLayerCache){
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for(uint32_t i = 0; i < list->numHwLayers; i++) {
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if (list->hwLayers[i].handle &&
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list->hwLayers[i].handle == hnd[i] &&
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list->hwLayers[i].compositionType != HWC_FRAMEBUFFER_TARGET)
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{
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list->hwLayers[i].compositionType = HWC_OVERLAY;
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}
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}
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}
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}
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};//namespace
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