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018e54569f1ad7cf1d6e06db293ba7614358e626
android_vendor_qcom_opensou…/libhwcomposer/hwc_mdpcomp.cpp
Naseer Ahmed 018e54569f hwc: Avoid MDP composition with alpha scaling 
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
2012-12-03 15:36:21 -05:00

633 lines
19 KiB
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/*
* Copyright (C) 2012, The Linux Foundation. All rights reserved.
* Not a Contribution, Apache license notifications and license are retained
* for attribution purposes only.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hwc_mdpcomp.h"
#include <sys/ioctl.h>
#include "external.h"
namespace qhwc {
namespace ovutils = overlay::utils;
/****** Class MDPComp ***********/
MDPComp::eState MDPComp::sMDPCompState = MDPCOMP_OFF;
struct MDPComp::FrameInfo MDPComp::sCurrentFrame;
IdleInvalidator *MDPComp::idleInvalidator = NULL;
bool MDPComp::sIdleFallBack = false;
bool MDPComp::sDebugLogs = false;
bool MDPComp::sEnabled = false;
int MDPComp::sActiveMax = 0;
bool MDPComp::sSecuredVid = false;
bool MDPComp::deinit() {
//XXX: Tear down MDP comp state
return true;
}
bool MDPComp::isSkipPresent (hwc_context_t *ctx) {
return ctx->listStats[HWC_DISPLAY_PRIMARY].skipCount;
};
bool MDPComp::isYuvPresent (hwc_context_t *ctx) {
return ctx->listStats[HWC_DISPLAY_PRIMARY].yuvCount;
};
void MDPComp::timeout_handler(void *udata) {
struct hwc_context_t* ctx = (struct hwc_context_t*)(udata);
if(!ctx) {
ALOGE("%s: received empty data in timer callback", __FUNCTION__);
return;
}
if(!ctx->proc) {
ALOGE("%s: HWC proc not registered", __FUNCTION__);
return;
}
sIdleFallBack = true;
/* Trigger SF to redraw the current frame */
ctx->proc->invalidate(ctx->proc);
}
void MDPComp::reset(hwc_context_t *ctx, hwc_display_contents_1_t* list ) {
//Reset flags and states
unsetMDPCompLayerFlags(ctx, list);
sCurrentFrame.count = 0;
if(sCurrentFrame.pipeLayer) {
free(sCurrentFrame.pipeLayer);
sCurrentFrame.pipeLayer = NULL;
}
}
void MDPComp::print_info(hwc_layer_1_t* layer)
{
hwc_rect_t sourceCrop = layer->sourceCrop;
hwc_rect_t displayFrame = layer->displayFrame;
int s_l = sourceCrop.left;
int s_t = sourceCrop.top;
int s_r = sourceCrop.right;
int s_b = sourceCrop.bottom;
int d_l = displayFrame.left;
int d_t = displayFrame.top;
int d_r = displayFrame.right;
int d_b = displayFrame.bottom;
ALOGD_IF(isDebug(), "src:[%d,%d,%d,%d] (%d x %d) \
dst:[%d,%d,%d,%d] (%d x %d)",
s_l, s_t, s_r, s_b, (s_r - s_l), (s_b - s_t),
d_l, d_t, d_r, d_b, (d_r - d_l), (d_b - d_t));
}
void MDPComp::setVidInfo(hwc_layer_1_t *layer, ovutils::eMdpFlags &mdpFlags) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(isSecureBuffer(hnd)) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
sSecuredVid = true;
}
}
/*
* Configures pipe(s) for MDP composition
*/
int MDPComp::prepare(hwc_context_t *ctx, hwc_layer_1_t *layer,
MdpPipeInfo& mdp_info) {
int nPipeIndex = mdp_info.index;
if (ctx) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
overlay::Overlay& ov = *ctx->mOverlay;
if(!hnd) {
ALOGE("%s: layer handle is NULL", __FUNCTION__);
return -1;
}
int hw_w = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
int hw_h = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
hwc_rect_t sourceCrop = layer->sourceCrop;
hwc_rect_t displayFrame = layer->displayFrame;
const int src_w = sourceCrop.right - sourceCrop.left;
const int src_h = sourceCrop.bottom - sourceCrop.top;
hwc_rect_t crop = sourceCrop;
int crop_w = crop.right - crop.left;
int crop_h = crop.bottom - crop.top;
hwc_rect_t dst = displayFrame;
int dst_w = dst.right - dst.left;
int dst_h = dst.bottom - dst.top;
if(dst.left < 0 || dst.top < 0 ||
dst.right > hw_w || dst.bottom > hw_h) {
ALOGD_IF(isDebug(),"%s: Destination has negative coordinates",
__FUNCTION__);
qhwc::calculate_crop_rects(crop, dst, hw_w, hw_h, 0);
//Update calulated width and height
crop_w = crop.right - crop.left;
crop_h = crop.bottom - crop.top;
dst_w = dst.right - dst.left;
dst_h = dst.bottom - dst.top;
}
if( (dst_w > hw_w)|| (dst_h > hw_h)) {
ALOGD_IF(isDebug(),"%s: Dest rect exceeds FB", __FUNCTION__);
print_info(layer);
dst_w = hw_w;
dst_h = hw_h;
}
// Determine pipe to set based on pipe index
ovutils::eDest dest = (ovutils::eDest)mdp_info.index;
ovutils::eZorder zOrder = ovutils::ZORDER_0;
if(mdp_info.zOrder == 0 ) {
zOrder = ovutils::ZORDER_0;
} else if(mdp_info.zOrder == 1 ) {
zOrder = ovutils::ZORDER_1;
} else if(mdp_info.zOrder == 2 ) {
zOrder = ovutils::ZORDER_2;
} else if(mdp_info.zOrder == 3) {
zOrder = ovutils::ZORDER_3;
}
// Order order order
// setSource - just setting source
// setParameter - changes src w/h/f accordingly
// setCrop - ROI - src_rect
// setPosition - dst_rect
// commit - commit changes to mdp driver
// queueBuffer - not here, happens when draw is called
ovutils::Whf info(hnd->width, hnd->height, hnd->format, hnd->size);
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_FLAGS_NONE;
if(isYuvBuffer(hnd))
setVidInfo(layer, mdpFlags);
ovutils::setMdpFlags(mdpFlags,ovutils::OV_MDP_BACKEND_COMPOSITION);
if(layer->blending == HWC_BLENDING_PREMULT) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_BLEND_FG_PREMULT);
}
ovutils::eTransform orient = overlay::utils::OVERLAY_TRANSFORM_0 ;
if(!(layer->transform & HWC_TRANSFORM_ROT_90)) {
if(layer->transform & HWC_TRANSFORM_FLIP_H) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
}
if(layer->transform & HWC_TRANSFORM_FLIP_V) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V);
}
} else {
orient = static_cast<ovutils::eTransform>(layer->transform);
}
ovutils::PipeArgs parg(mdpFlags,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAG_DISABLED);
ov.setSource(parg, dest);
ov.setTransform(orient, dest);
ovutils::Dim dcrop(crop.left, crop.top, crop_w, crop_h);
ov.setCrop(dcrop, dest);
ovutils::Dim dim(dst.left, dst.top, dst_w, dst_h);
ov.setPosition(dim, dest);
ALOGD_IF(isDebug(),"%s: MDP set: crop[%d,%d,%d,%d] dst[%d,%d,%d,%d] \
nPipe: %d zorder: %d",__FUNCTION__, dcrop.x,
dcrop.y,dcrop.w, dcrop.h, dim.x, dim.y, dim.w, dim.h,
mdp_info.index, mdp_info.zOrder);
if (!ov.commit(dest)) {
ALOGE("%s: commit failed", __FUNCTION__);
return -1;
}
}
return 0;
}
/*
* MDPComp not possible when
* 1. We have more than sMaxLayers
* 2. External display connected
* 3. Composition is triggered by
* Idle timer expiry
* 4. Rotation is needed
* 5. Overlay in use
*/
bool MDPComp::isDoable(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
//Number of layers
int numAppLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
if(numAppLayers < 1 || numAppLayers > (uint32_t)sActiveMax) {
ALOGD_IF(isDebug(), "%s: Unsupported number of layers",__FUNCTION__);
return false;
}
if(isSecuring(ctx)) {
ALOGD_IF(isDebug(), "%s: MDP securing is active", __FUNCTION__);
return false;
}
if(ctx->mSecureMode)
return false;
//Check for skip layers
if(isSkipPresent(ctx)) {
ALOGD_IF(isDebug(), "%s: Skip layers are present",__FUNCTION__);
return false;
}
if(ctx->listStats[HWC_DISPLAY_PRIMARY].needsAlphaScale) {
ALOGD_IF(isDebug(), "%s: frame needs alpha downscaling",__FUNCTION__);
return false;
}
//FB composition on idle timeout
if(sIdleFallBack) {
sIdleFallBack = false;
ALOGD_IF(isDebug(), "%s: idle fallback",__FUNCTION__);
return false;
}
//MDP composition is not efficient if layer needs rotator.
for(int i = 0; i < numAppLayers; ++i) {
// As MDP h/w supports flip operation, use MDP comp only for
// 180 transforms. Fail for any transform involving 90 (90, 270).
hwc_layer_1_t* layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if((layer->transform & HWC_TRANSFORM_ROT_90) && !isYuvBuffer(hnd)) {
ALOGD_IF(isDebug(), "%s: orientation involved",__FUNCTION__);
return false;
}
}
return true;
}
void MDPComp::setMDPCompLayerFlags(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
LayerProp *layerProp = ctx->layerProp[HWC_DISPLAY_PRIMARY];
for(int index = 0 ; index < sCurrentFrame.count; index++ ) {
hwc_layer_1_t* layer = &(list->hwLayers[index]);
layerProp[index].mFlags |= HWC_MDPCOMP;
layer->compositionType = HWC_OVERLAY;
layer->hints |= HWC_HINT_CLEAR_FB;
}
}
int MDPComp::getMdpPipe(hwc_context_t *ctx, ePipeType type){
overlay::Overlay& ov = *ctx->mOverlay;
int mdp_pipe = -1;
switch(type) {
case MDPCOMP_OV_ANY:
case MDPCOMP_OV_RGB:
mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, HWC_DISPLAY_PRIMARY);
if(mdp_pipe != ovutils::OV_INVALID) {
return mdp_pipe;
}
if(type == MDPCOMP_OV_RGB) {
//Requested only for RGB pipe
return -1;
}
case MDPCOMP_OV_VG:
mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_VG, HWC_DISPLAY_PRIMARY);
if(mdp_pipe != ovutils::OV_INVALID) {
return mdp_pipe;
}
return -1;
default:
ALOGE("%s: Invalid pipe type",__FUNCTION__);
return -1;
};
}
bool MDPComp::allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list,
FrameInfo& currentFrame) {
overlay::Overlay& ov = *ctx->mOverlay;
int layer_count = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
currentFrame.count = layer_count;
currentFrame.pipeLayer = (PipeLayerPair*)
malloc(sizeof(PipeLayerPair) * currentFrame.count);
if(isYuvPresent(ctx)) {
int nYuvIndex = ctx->listStats[HWC_DISPLAY_PRIMARY].yuvIndex;
hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
PipeLayerPair& info = currentFrame.pipeLayer[nYuvIndex];
MdpPipeInfo& pipe_info = info.pipeIndex;
pipe_info.index = getMdpPipe(ctx, MDPCOMP_OV_VG);
if(pipe_info.index < 0) {
ALOGD_IF(isDebug(), "%s: Unable to get pipe for Videos",
__FUNCTION__);
return false;
}
pipe_info.zOrder = nYuvIndex;
}
for(int index = 0 ; index < layer_count ; index++ ) {
if(index == ctx->listStats[HWC_DISPLAY_PRIMARY].yuvIndex )
continue;
hwc_layer_1_t* layer = &list->hwLayers[index];
PipeLayerPair& info = currentFrame.pipeLayer[index];
MdpPipeInfo& pipe_info = info.pipeIndex;
pipe_info.index = getMdpPipe(ctx, MDPCOMP_OV_ANY);
if(pipe_info.index < 0) {
ALOGD_IF(isDebug(), "%s: Unable to get pipe for UI", __FUNCTION__);
return false;
}
pipe_info.zOrder = index;
}
return true;
}
bool MDPComp::setup(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
int nPipeIndex, vsync_wait, isFG;
int numHwLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
FrameInfo &currentFrame = sCurrentFrame;
currentFrame.count = 0;
if(currentFrame.pipeLayer) {
free(currentFrame.pipeLayer);
currentFrame.pipeLayer = NULL;
}
if(!ctx) {
ALOGE("%s: invalid context", __FUNCTION__);
return -1;
}
if(!allocLayerPipes(ctx, list, currentFrame)) {
//clean current frame data
currentFrame.count = 0;
if(currentFrame.pipeLayer) {
free(currentFrame.pipeLayer);
currentFrame.pipeLayer = NULL;
}
ALOGD_IF(isDebug(), "%s: Falling back to FB", __FUNCTION__);
return false;
}
for (int index = 0 ; index < currentFrame.count; index++) {
hwc_layer_1_t* layer = &list->hwLayers[index];
MdpPipeInfo& cur_pipe = currentFrame.pipeLayer[index].pipeIndex;
if( prepare(ctx, layer, cur_pipe) != 0 ) {
ALOGD_IF(isDebug(), "%s: MDPComp failed to configure overlay for \
layer %d with pipe index:%d",__FUNCTION__,
index, cur_pipe.index);
return false;
}
}
return true;
}
void MDPComp::unsetMDPCompLayerFlags(hwc_context_t* ctx,
hwc_display_contents_1_t* list)
{
LayerProp *layerProp = ctx->layerProp[HWC_DISPLAY_PRIMARY];
for (int index = 0 ;
index < ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers; index++) {
if(layerProp[index].mFlags & HWC_MDPCOMP) {
layerProp[index].mFlags &= ~HWC_MDPCOMP;
}
if(list->hwLayers[index].compositionType == HWC_OVERLAY) {
list->hwLayers[index].compositionType = HWC_FRAMEBUFFER;
}
}
}
bool MDPComp::draw(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
if(!isEnabled() || !isUsed()) {
ALOGD_IF(isDebug(),"%s: MDP Comp not configured", __FUNCTION__);
return true;
}
if(!ctx || !list) {
ALOGE("%s: invalid contxt or list",__FUNCTION__);
return false;
}
/* reset Invalidator */
if(idleInvalidator)
idleInvalidator->markForSleep();
overlay::Overlay& ov = *ctx->mOverlay;
LayerProp *layerProp = ctx->layerProp[HWC_DISPLAY_PRIMARY];
int numHwLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
for(int i = 0; i < numHwLayers; i++ )
{
hwc_layer_1_t *layer = &list->hwLayers[i];
if(!(layerProp[i].mFlags & HWC_MDPCOMP)) {
continue;
}
MdpPipeInfo& pipe_info =
sCurrentFrame.pipeLayer[i].pipeIndex;
int index = pipe_info.index;
if(index < 0) {
ALOGE("%s: Invalid pipe index (%d)", __FUNCTION__, index);
return false;
}
ovutils::eDest dest = (ovutils::eDest)index;
if (ctx ) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s handle null", __FUNCTION__);
return false;
}
ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
using pipe: %d", __FUNCTION__, layer,
hnd, index );
if (!ov.queueBuffer(hnd->fd, hnd->offset, dest)) {
ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
return false;
}
}
layerProp[i].mFlags &= ~HWC_MDPCOMP;
}
return true;
}
/*
* Sets up BORDERFILL as default base pipe and detaches RGB0.
* Framebuffer is always updated using PLAY ioctl.
*/
bool MDPComp::setupBasePipe(hwc_context_t *ctx) {
int fb_stride = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride;
int fb_width = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
int fb_height = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
int fb_fd = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd;
mdp_overlay ovInfo;
msmfb_overlay_data ovData;
memset(&ovInfo, 0, sizeof(mdp_overlay));
memset(&ovData, 0, sizeof(msmfb_overlay_data));
ovInfo.src.format = MDP_RGB_BORDERFILL;
ovInfo.src.width = fb_width;
ovInfo.src.height = fb_height;
ovInfo.src_rect.w = fb_width;
ovInfo.src_rect.h = fb_height;
ovInfo.dst_rect.w = fb_width;
ovInfo.dst_rect.h = fb_height;
ovInfo.id = MSMFB_NEW_REQUEST;
if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
strerror(errno));
return false;
}
ovData.id = ovInfo.id;
if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
strerror(errno));
return false;
}
return true;
}
bool MDPComp::init(hwc_context_t *ctx) {
if(!ctx) {
ALOGE("%s: Invalid hwc context!!",__FUNCTION__);
return false;
}
if(!setupBasePipe(ctx)) {
ALOGE("%s: Failed to setup primary base pipe", __FUNCTION__);
return false;
}
char property[PROPERTY_VALUE_MAX];
sEnabled = false;
if((property_get("persist.hwc.mdpcomp.enable", property, NULL) > 0) &&
(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
sEnabled = true;
}
sDebugLogs = false;
if(property_get("debug.mdpcomp.logs", property, NULL) > 0) {
if(atoi(property) != 0)
sDebugLogs = true;
}
unsigned long idle_timeout = DEFAULT_IDLE_TIME;
if(property_get("debug.mdpcomp.idletime", property, NULL) > 0) {
if(atoi(property) != 0)
idle_timeout = atoi(property);
}
//create Idle Invalidator
idleInvalidator = IdleInvalidator::getInstance();
if(idleInvalidator == NULL) {
ALOGE("%s: failed to instantiate idleInvalidator object", __FUNCTION__);
} else {
idleInvalidator->init(timeout_handler, ctx, idle_timeout);
}
return true;
}
bool MDPComp::configure(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
if(!isEnabled()) {
ALOGE_IF(isDebug(),"%s: MDP Comp. not enabled.", __FUNCTION__);
return false;
}
overlay::Overlay& ov = *ctx->mOverlay;
sActiveMax = ov.availablePipes();
bool isMDPCompUsed = true;
bool doable = isDoable(ctx, list);
if(doable) {
if(setup(ctx, list)) {
setMDPCompLayerFlags(ctx, list);
} else {
ALOGD_IF(isDebug(),"%s: MDP Comp Failed",__FUNCTION__);
isMDPCompUsed = false;
}
} else {
ALOGD_IF( isDebug(),"%s: MDP Comp not possible[%d]",__FUNCTION__,
doable);
isMDPCompUsed = false;
}
//Reset states
if(!isMDPCompUsed) {
//Reset current frame
reset(ctx, list);
}
sMDPCompState = isMDPCompUsed ? MDPCOMP_ON : MDPCOMP_OFF;
return isMDPCompUsed;
}
}; //namespace
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