1 files changed, 132 insertions, 0 deletions
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
new file mode 100644
index 000000000..0d0787ec5
--- /dev/null
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * 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.
+ */
+
+#define HWC_FB_UPDATE 0
+#include <gralloc_priv.h>
+#include <fb_priv.h>
+#include "hwc_fbupdate.h"
+#include "external.h"
+
+namespace qhwc {
+
+namespace ovutils = overlay::utils;
+
+//Static Members
+bool FBUpdate::sModeOn[] = {false};
+ovutils::eDest FBUpdate::sDest[] = {ovutils::OV_INVALID};
+
+void FBUpdate::reset() {
+    sModeOn[HWC_DISPLAY_PRIMARY] = false;
+    sModeOn[HWC_DISPLAY_EXTERNAL] = false;
+    sDest[HWC_DISPLAY_PRIMARY] = ovutils::OV_INVALID;
+    sDest[HWC_DISPLAY_EXTERNAL] = ovutils::OV_INVALID;
+}
+
+bool FBUpdate::prepare(hwc_context_t *ctx, hwc_layer_1_t *fblayer, int dpy) {
+    if(!ctx->mMDP.hasOverlay) {
+        ALOGD_IF(HWC_FB_UPDATE, "%s, this hw doesnt support mirroring",
+                __FUNCTION__);
+       return false;
+    }
+
+    return (sModeOn[dpy] = configure(ctx, fblayer, dpy));
+
+}
+
+// Configure
+bool FBUpdate::configure(hwc_context_t *ctx, hwc_layer_1_t *layer, int dpy)
+{
+    bool ret = false;
+    if (LIKELY(ctx->mOverlay)) {
+        overlay::Overlay& ov = *(ctx->mOverlay);
+        private_handle_t *hnd = (private_handle_t *)layer->handle;
+        if (!hnd) {
+            ALOGE("%s:NULL private handle for layer!", __FUNCTION__);
+            return false;
+        }
+        ovutils::Whf info(hnd->width, hnd->height, hnd->format, hnd->size);
+
+        //Request an RGB pipe
+        ovutils::eDest dest = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, dpy);
+        if(dest == ovutils::OV_INVALID) { //None available
+            return false;
+        }
+
+        sDest[dpy] = dest;
+
+        ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_FLAGS_NONE;
+        if(ctx->mSecureMode) {
+            ovutils::setMdpFlags(mdpFlags,
+                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
+        }
+
+        ovutils::PipeArgs parg(mdpFlags,
+                info,
+                ovutils::ZORDER_0,
+                ovutils::IS_FG_SET,
+                ovutils::ROT_FLAG_DISABLED);
+        ov.setSource(parg, dest);
+
+        hwc_rect_t sourceCrop = layer->sourceCrop;
+        // x,y,w,h
+        ovutils::Dim dcrop(sourceCrop.left, sourceCrop.top,
+                sourceCrop.right - sourceCrop.left,
+                sourceCrop.bottom - sourceCrop.top);
+        ov.setCrop(dcrop, dest);
+
+        int transform = layer->transform;
+        ovutils::eTransform orient =
+                static_cast<ovutils::eTransform>(transform);
+        ov.setTransform(orient, dest);
+
+        hwc_rect_t displayFrame = layer->displayFrame;
+        ovutils::Dim dpos(displayFrame.left,
+                displayFrame.top,
+                displayFrame.right - displayFrame.left,
+                displayFrame.bottom - displayFrame.top);
+        ov.setPosition(dpos, dest);
+
+        ret = true;
+        if (!ov.commit(dest)) {
+            ALOGE("%s: commit fails", __FUNCTION__);
+            ret = false;
+        }
+    }
+    return ret;
+}
+
+bool FBUpdate::draw(hwc_context_t *ctx, hwc_layer_1_t *layer, int dpy)
+{
+    if(!sModeOn[dpy]) {
+        return true;
+    }
+    bool ret = true;
+    overlay::Overlay& ov = *(ctx->mOverlay);
+    ovutils::eDest dest = sDest[dpy];
+    private_handle_t *hnd = (private_handle_t *)layer->handle;
+    if (!ov.queueBuffer(hnd->fd, hnd->offset, dest)) {
+        ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
+        ret = false;
+    }
+    return ret;
+}
+
+//---------------------------------------------------------------------
+}; //namespace qhwc