drm_hwcomposer: Move some utilities out of hwcomposer.cpp

There are some utility functions in hwcomposer.cpp that will
be useful for hwc2. Move them into hwcutils.cpp so they can
be used when hwcomposer.cpp is not compiled.

Change-Id: I66a332e3e6afc4dc64217a528db50d5adbe02ef6
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Robert Foss <robert.foss@collabora.com>

1 files changed, 0 insertions, 160 deletions

diff --git a/hwcomposer.cpp b/hwcomposer.cpp
index 4bc4670..e0483e9 100644
--- a/hwcomposer.cpp
+++ b/hwcomposer.cpp
@@ -202,103 +202,6 @@ struct hwc_context_t {
   DrmHotplugHandler hotplug_handler;
 };
 
-static native_handle_t *dup_buffer_handle(buffer_handle_t handle) {
-  native_handle_t *new_handle =
-      native_handle_create(handle->numFds, handle->numInts);
-  if (new_handle == NULL)
-    return NULL;
-
-  const int *old_data = handle->data;
-  int *new_data = new_handle->data;
-  for (int i = 0; i < handle->numFds; i++) {
-    *new_data = dup(*old_data);
-    old_data++;
-    new_data++;
-  }
-  memcpy(new_data, old_data, sizeof(int) * handle->numInts);
-
-  return new_handle;
-}
-
-static void free_buffer_handle(native_handle_t *handle) {
-  int ret = native_handle_close(handle);
-  if (ret)
-    ALOGE("Failed to close native handle %d", ret);
-  ret = native_handle_delete(handle);
-  if (ret)
-    ALOGE("Failed to delete native handle %d", ret);
-}
-
-const hwc_drm_bo *DrmHwcBuffer::operator->() const {
-  if (importer_ == NULL) {
-    ALOGE("Access of non-existent BO");
-    exit(1);
-    return NULL;
-  }
-  return &bo_;
-}
-
-void DrmHwcBuffer::Clear() {
-  if (importer_ != NULL) {
-    importer_->ReleaseBuffer(&bo_);
-    importer_ = NULL;
-  }
-}
-
-int DrmHwcBuffer::ImportBuffer(buffer_handle_t handle, Importer *importer) {
-  hwc_drm_bo tmp_bo;
-
-  int ret = importer->ImportBuffer(handle, &tmp_bo);
-  if (ret)
-    return ret;
-
-  if (importer_ != NULL) {
-    importer_->ReleaseBuffer(&bo_);
-  }
-
-  importer_ = importer;
-
-  bo_ = tmp_bo;
-
-  return 0;
-}
-
-int DrmHwcNativeHandle::CopyBufferHandle(buffer_handle_t handle,
-                                         const gralloc_module_t *gralloc) {
-  native_handle_t *handle_copy = dup_buffer_handle(handle);
-  if (handle_copy == NULL) {
-    ALOGE("Failed to duplicate handle");
-    return -ENOMEM;
-  }
-
-  int ret = gralloc->registerBuffer(gralloc, handle_copy);
-  if (ret) {
-    ALOGE("Failed to register buffer handle %d", ret);
-    free_buffer_handle(handle_copy);
-    return ret;
-  }
-
-  Clear();
-
-  gralloc_ = gralloc;
-  handle_ = handle_copy;
-
-  return 0;
-}
-
-DrmHwcNativeHandle::~DrmHwcNativeHandle() {
-  Clear();
-}
-
-void DrmHwcNativeHandle::Clear() {
-  if (gralloc_ != NULL && handle_ != NULL) {
-    gralloc_->unregisterBuffer(gralloc_, handle_);
-    free_buffer_handle(handle_);
-    gralloc_ = NULL;
-    handle_ = NULL;
-  }
-}
-
 class DrmVsyncCallback : public VsyncCallback {
  public:
   DrmVsyncCallback(hwc_procs_t const *procs) : procs_(procs) {
@@ -311,69 +214,6 @@ class DrmVsyncCallback : public VsyncCallback {
   hwc_procs_t const *procs_;
 };
 
-int DrmHwcLayer::InitFromHwcLayer(hwc_layer_1_t *sf_layer, Importer *importer,
-                                  const gralloc_module_t *gralloc) {
-  sf_handle = sf_layer->handle;
-  alpha = sf_layer->planeAlpha;
-
-  source_crop = DrmHwcRect<float>(
-      sf_layer->sourceCropf.left, sf_layer->sourceCropf.top,
-      sf_layer->sourceCropf.right, sf_layer->sourceCropf.bottom);
-  display_frame = DrmHwcRect<int>(
-      sf_layer->displayFrame.left, sf_layer->displayFrame.top,
-      sf_layer->displayFrame.right, sf_layer->displayFrame.bottom);
-
-  transform = 0;
-  // 270* and 180* cannot be combined with flips. More specifically, they
-  // already contain both horizontal and vertical flips, so those fields are
-  // redundant in this case. 90* rotation can be combined with either horizontal
-  // flip or vertical flip, so treat it differently
-  if (sf_layer->transform == HWC_TRANSFORM_ROT_270) {
-    transform = DrmHwcTransform::kRotate270;
-  } else if (sf_layer->transform == HWC_TRANSFORM_ROT_180) {
-    transform = DrmHwcTransform::kRotate180;
-  } else {
-    if (sf_layer->transform & HWC_TRANSFORM_FLIP_H)
-      transform |= DrmHwcTransform::kFlipH;
-    if (sf_layer->transform & HWC_TRANSFORM_FLIP_V)
-      transform |= DrmHwcTransform::kFlipV;
-    if (sf_layer->transform & HWC_TRANSFORM_ROT_90)
-      transform |= DrmHwcTransform::kRotate90;
-  }
-
-  switch (sf_layer->blending) {
-    case HWC_BLENDING_NONE:
-      blending = DrmHwcBlending::kNone;
-      break;
-    case HWC_BLENDING_PREMULT:
-      blending = DrmHwcBlending::kPreMult;
-      break;
-    case HWC_BLENDING_COVERAGE:
-      blending = DrmHwcBlending::kCoverage;
-      break;
-    default:
-      ALOGE("Invalid blending in hwc_layer_1_t %d", sf_layer->blending);
-      return -EINVAL;
-  }
-
-  int ret = buffer.ImportBuffer(sf_layer->handle, importer);
-  if (ret)
-    return ret;
-
-  ret = handle.CopyBufferHandle(sf_layer->handle, gralloc);
-  if (ret)
-    return ret;
-
-  ret = gralloc->perform(gralloc, GRALLOC_MODULE_PERFORM_GET_USAGE,
-                         handle.get(), &gralloc_buffer_usage);
-  if (ret) {
-    ALOGE("Failed to get usage for buffer %p (%d)", handle.get(), ret);
-    return ret;
-  }
-
-  return 0;
-}
-
 static void hwc_dump(struct hwc_composer_device_1 *dev, char *buff,
                      int buff_len) {
   struct hwc_context_t *ctx = (struct hwc_context_t *)&dev->common;