commit dd38b8210cd80fd36851530abd5b6be01f92f78c
author Ramkumar Radhakrishnan <ramkumar@codeaurora.org> Wed Dec 04 15:15:42 2013 -0800
committer Arun Kumar K.R <akumarkr@codeaurora.org> Tue Dec 10 22:16:15 2013 -0800
tree 107e3b3909c1b3e66db8ca2fb5f4aebb881a0138
parent 0616b39ffe85d6bca125269a5a5d18c2b5b470c0

hwc: Calculate viewframe from layers display frame information.

Calculate view frame of each display from the displayframe of all
the application layers.

Change-Id: I9ba4076b7b4419bd3559417fad28b4e1de6acff3

libhwcomposer/hwc_utils.cpp

diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 6f2cb9c..ac82443 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -745,6 +745,7 @@
                       (int)ctx->dpyAttr[dpy].xres, (int)ctx->dpyAttr[dpy].yres);
     ctx->listStats[dpy].secureUI = false;
     ctx->listStats[dpy].yuv4k2kCount = 0;
+    ctx->mViewFrame[dpy] = (hwc_rect_t){0, 0, 0, 0};
 
     trimList(ctx, list, dpy);
     optimizeLayerRects(ctx, list, dpy);
@@ -753,6 +754,9 @@
         hwc_layer_1_t const* layer = &list->hwLayers[i];
         private_handle_t *hnd = (private_handle_t *)layer->handle;
 
+        // Calculate view frame of each display from the layer displayframe
+        ctx->mViewFrame[dpy] = getUnion(ctx->mViewFrame[dpy],
+                                        layer->displayFrame);
 #ifdef QCOM_BSP
         if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
             ctx->listStats[dpy].isDisplayAnimating = true;

libhwcomposer/hwc_utils.h

diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index 2503e43..95ecf2c 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -437,6 +437,7 @@
     qhwc::LayerProp *layerProp[HWC_NUM_DISPLAY_TYPES];
     qhwc::MDPComp *mMDPComp[HWC_NUM_DISPLAY_TYPES];
     qhwc::HwcDebug *mHwcDebug[HWC_NUM_DISPLAY_TYPES];
+    hwc_rect_t mViewFrame[HWC_NUM_DISPLAY_TYPES];
     qhwc::AssertiveDisplay *mAD;
     qhwc::VPUClient *mVPUClient;