// Configure
bool FBUpdateSplit::configure(hwc_context_t *ctx,
hwc_display_contents_1 *list, hwc_rect_t fbUpdatingRect, int fbZorder) {
bool ret = false;
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
if (LIKELY(ctx->mOverlay)) {
/* External only layer present */
int extOnlyLayerIndex = ctx->listStats[mDpy].extOnlyLayerIndex;
if(extOnlyLayerIndex != -1) {
layer = &list->hwLayers[extOnlyLayerIndex];
layer->compositionType = HWC_OVERLAY;
}
ovutils::Whf info(mAlignedFBWidth, mAlignedFBHeight,
ovutils::getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888,
mTileEnabled));
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(layer->transform);
const int hw_w = ctx->dpyAttr[mDpy].xres;
const int hw_h = ctx->dpyAttr[mDpy].yres;
const int lSplit = getLeftSplit(ctx, mDpy);
mDestLeft = ovutils::OV_INVALID;
mDestRight = ovutils::OV_INVALID;
hwc_rect_t sourceCrop = fbUpdatingRect;
hwc_rect_t displayFrame = fbUpdatingRect;
ret = true;
Overlay::PipeSpecs pipeSpecs;
pipeSpecs.formatClass = Overlay::FORMAT_RGB;
pipeSpecs.needsScaling = qhwc::needsScaling(layer);
pipeSpecs.dpy = mDpy;
pipeSpecs.fb = true;
/* Configure left pipe */
if(displayFrame.left < lSplit) {
pipeSpecs.mixer = Overlay::MIXER_LEFT;
ovutils::eDest destL = ov.getPipe(pipeSpecs);
if(destL == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure fb for dpy %d's left"
" mixer", __FUNCTION__, mDpy);
return false;
}
mDestLeft = destL;
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs pargL(mdpFlags,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
hwc_rect_t cropL = sourceCrop;
hwc_rect_t dstL = displayFrame;
hwc_rect_t scissorL = {0, 0, lSplit, hw_h };
qhwc::calculate_crop_rects(cropL, dstL, scissorL, 0);
if (configMdp(ctx->mOverlay, pargL, orient, cropL,
dstL, NULL, destL)< 0) {
ALOGE("%s: configMdp fails for left FB", __FUNCTION__);
ret = false;
}
}
/* Configure right pipe */
if(displayFrame.right > lSplit) {
pipeSpecs.mixer = Overlay::MIXER_RIGHT;
ovutils::eDest destR = ov.getPipe(pipeSpecs);
if(destR == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure fb for dpy %d's"
" right mixer", __FUNCTION__, mDpy);
return false;
}
mDestRight = destR;
ovutils::eMdpFlags mdpFlagsR = mdpFlags;
ovutils::setMdpFlags(mdpFlagsR, ovutils::OV_MDSS_MDP_RIGHT_MIXER);
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs pargR(mdpFlagsR,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
hwc_rect_t cropR = sourceCrop;
hwc_rect_t dstR = displayFrame;
hwc_rect_t scissorR = {lSplit, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(cropR, dstR, scissorR, 0);
dstR.left -= lSplit;
dstR.right -= lSplit;
if (configMdp(ctx->mOverlay, pargR, orient, cropR,
dstR, NULL, destR) < 0) {
ALOGE("%s: configMdp fails for right FB", __FUNCTION__);
ret = false;
}
}
}
return ret;
}
int allocate_overlay(int fd, GGLSurface gr_fb[])
{
int ret = 0;
if (!overlay_supported)
return -EINVAL;
if (!isDisplaySplit()) {
// Check if overlay is already allocated
if (MSMFB_NEW_REQUEST == overlayL_id) {
struct mdp_overlay overlayL;
memset(&overlayL, 0 , sizeof (struct mdp_overlay));
/* Fill Overlay Data */
overlayL.src.width = ALIGN(gr_fb[0].width, 32);
overlayL.src.height = gr_fb[0].height;
overlayL.src.format = map_mdp_pixel_format();
overlayL.src_rect.w = gr_fb[0].width;
overlayL.src_rect.h = gr_fb[0].height;
overlayL.dst_rect.w = gr_fb[0].width;
overlayL.dst_rect.h = gr_fb[0].height;
overlayL.alpha = 0xFF;
overlayL.transp_mask = MDP_TRANSP_NOP;
overlayL.id = MSMFB_NEW_REQUEST;
ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
if (ret < 0) {
perror("Overlay Set Failed");
return ret;
}
overlayL_id = overlayL.id;
}
} else {
float xres = getFbXres();
int lSplit = getLeftSplit();
float lSplitRatio = lSplit / xres;
float lCropWidth = gr_fb[0].width * lSplitRatio;
int lWidth = lSplit;
int rWidth = gr_fb[0].width - lSplit;
int height = gr_fb[0].height;
if (MSMFB_NEW_REQUEST == overlayL_id) {
struct mdp_overlay overlayL;
memset(&overlayL, 0 , sizeof (struct mdp_overlay));
/* Fill OverlayL Data */
overlayL.src.width = ALIGN(gr_fb[0].width, 32);
overlayL.src.height = gr_fb[0].height;
overlayL.src.format = map_mdp_pixel_format();
overlayL.src_rect.x = 0;
overlayL.src_rect.y = 0;
overlayL.src_rect.w = lCropWidth;
overlayL.src_rect.h = gr_fb[0].height;
overlayL.dst_rect.x = 0;
overlayL.dst_rect.y = 0;
overlayL.dst_rect.w = lWidth;
overlayL.dst_rect.h = height;
overlayL.alpha = 0xFF;
overlayL.transp_mask = MDP_TRANSP_NOP;
overlayL.id = MSMFB_NEW_REQUEST;
ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
if (ret < 0) {
perror("OverlayL Set Failed");
return ret;
}
overlayL_id = overlayL.id;
}
if (MSMFB_NEW_REQUEST == overlayR_id) {
struct mdp_overlay overlayR;
memset(&overlayR, 0 , sizeof (struct mdp_overlay));
/* Fill OverlayR Data */
overlayR.src.width = ALIGN(gr_fb[0].width, 32);
overlayR.src.height = gr_fb[0].height;
overlayR.src.format = map_mdp_pixel_format();
overlayR.src_rect.x = lCropWidth;
overlayR.src_rect.y = 0;
overlayR.src_rect.w = gr_fb[0].width - lCropWidth;
overlayR.src_rect.h = gr_fb[0].height;
overlayR.dst_rect.x = 0;
overlayR.dst_rect.y = 0;
overlayR.dst_rect.w = rWidth;
overlayR.dst_rect.h = height;
overlayR.alpha = 0xFF;
overlayR.flags = MDSS_MDP_RIGHT_MIXER;
overlayR.transp_mask = MDP_TRANSP_NOP;
overlayR.id = MSMFB_NEW_REQUEST;
ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayR);
if (ret < 0) {
perror("OverlayR Set Failed");
return ret;
}
overlayR_id = overlayR.id;
}
}
return 0;
}
