hwc/overlay: Add Color layer support in MDP Composition.
1. Color layer has a destination rectangle, RGBA color and plane
alpha. There is no gralloc buffer. Layer flag "HWC_COLOR_FILL"
denotes a Color layer.
2. There is no color member in HWC layer, so RGBA color value
is passed via the "tranform" member from framework to HAL.
Change-Id: I8769fd3f5febcaf952a1456de0a4262679c9a0e4
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 9d1e30c..477fe90 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -1351,6 +1351,42 @@
return 0;
}
+int configColorLayer(hwc_context_t *ctx, hwc_layer_1_t *layer,
+ const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
+ eIsFg& isFg, const eDest& dest) {
+
+ hwc_rect_t dst = layer->displayFrame;
+ trimLayer(ctx, dpy, 0, dst, dst);
+
+ int w = ctx->dpyAttr[dpy].xres;
+ int h = ctx->dpyAttr[dpy].yres;
+ int dst_w = dst.right - dst.left;
+ int dst_h = dst.bottom - dst.top;
+ uint32_t color = layer->transform;
+ Whf whf(w, h, getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888), 0);
+
+ if (layer->blending == HWC_BLENDING_PREMULT)
+ ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_BLEND_FG_PREMULT);
+
+ PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(0),
+ layer->planeAlpha,
+ (ovutils::eBlending) getBlending(layer->blending));
+
+ // Configure MDP pipe for Color layer
+ Dim pos(dst.left, dst.top, dst_w, dst_h);
+ ctx->mOverlay->setSource(parg, dest);
+ ctx->mOverlay->setColor(color, dest);
+ ctx->mOverlay->setTransform(0, dest);
+ ctx->mOverlay->setCrop(pos, dest);
+ ctx->mOverlay->setPosition(pos, dest);
+
+ if (!ctx->mOverlay->commit(dest)) {
+ ALOGE("%s: Configure color layer failed!", __FUNCTION__);
+ return -1;
+ }
+ return 0;
+}
+
void updateSource(eTransform& orient, Whf& whf,
hwc_rect_t& crop) {
Dim srcCrop(crop.left, crop.top,
@@ -1381,7 +1417,12 @@
eIsFg& isFg, const eDest& dest, Rotator **rot) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
+
if(!hnd) {
+ if (layer->flags & HWC_COLOR_FILL) {
+ // Configure Color layer
+ return configColorLayer(ctx, layer, dpy, mdpFlags, z, isFg, dest);
+ }
ALOGE("%s: layer handle is NULL", __FUNCTION__);
return -1;
}