qcom/display: Update HALs
- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files
Change-Id: I65c687c51be458cee71213c79e03eeda962d9086
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
new file mode 100644
index 0000000..13873f8
--- /dev/null
+++ b/libhwcomposer/hwc_utils.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (C) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * 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_utils.h"
+
+namespace qhwc {
+void initContext(hwc_context_t *ctx)
+{
+ //XXX: target specific initializations here
+ openFramebufferDevice(ctx);
+ ctx->mOverlay = overlay::Overlay::getInstance();
+ ctx->qbuf = new QueuedBufferStore();
+
+}
+
+void closeContext(hwc_context_t *ctx)
+{
+ if(ctx->mOverlay) {
+ delete ctx->mOverlay;
+ ctx->mOverlay = NULL;
+ }
+ if(ctx->fbDev) {
+ framebuffer_close(ctx->fbDev);
+ ctx->fbDev = NULL;
+ }
+
+ if(ctx->qbuf) {
+ delete ctx->qbuf;
+ ctx->qbuf = NULL;
+ }
+}
+
+// Opens Framebuffer device
+void openFramebufferDevice(hwc_context_t *ctx) {
+ hw_module_t const *module;
+ if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) {
+ framebuffer_open(module, &(ctx->fbDev));
+ }
+}
+
+void dumpLayer(hwc_layer_t const* l)
+{
+ ALOGD("\ttype=%d, flags=%08x, handle=%p, tr=%02x, blend=%04x, {%d,%d,%d,%d}"
+ ", {%d,%d,%d,%d}",
+ l->compositionType, l->flags, l->handle, l->transform, l->blending,
+ l->sourceCrop.left,
+ l->sourceCrop.top,
+ l->sourceCrop.right,
+ l->sourceCrop.bottom,
+ l->displayFrame.left,
+ l->displayFrame.top,
+ l->displayFrame.right,
+ l->displayFrame.bottom);
+}
+
+void getLayerStats(hwc_context_t *ctx, const hwc_layer_list_t *list)
+{
+ int yuvBufCount = 0;
+ int layersNotUpdatingCount = 0;
+ for (size_t i=0 ; i<list->numHwLayers; i++) {
+ private_handle_t *hnd = (private_handle_t *)list->hwLayers[i].handle;
+ if (isYuvBuffer(hnd)) {
+ yuvBufCount++;
+ }
+ }
+ // Number of video/camera layers drawable with overlay
+ ctx->yuvBufferCount = yuvBufCount;
+ ctx->numHwLayers = list->numHwLayers;
+ return;
+}
+
+void handleYUV(hwc_context_t *ctx, hwc_layer_t *layer)
+{
+ private_handle_t *hnd =
+ (private_handle_t *)layer->handle;
+ //XXX: Handle targets not using overlay
+ if(prepareOverlay(ctx, layer)) {
+ layer->compositionType = HWC_USE_OVERLAY;
+ layer->hints |= HWC_HINT_CLEAR_FB;
+ }
+}
+};//namespace