drm_hwcomposer: Move drmgeneric and nv importer cpp files

Final step in the platform renaming, move the drmgeneric and
nvimporter files to their new place.

BUG=b/28117135
TEST=compiles

Change-Id: Ied60a82526f42f13a64192373cb49f3dfffef74f
Signed-off-by: Sean Paul <seanpaul@chromium.org>

1 files changed, 137 insertions, 0 deletions

diff --git a/platformdrmgeneric.cpp b/platformdrmgeneric.cpp
new file mode 100644
index 0000000..d57db6a
--- /dev/null
+++ b/platformdrmgeneric.cpp
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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 LOG_TAG "hwc-drm-generic-importer"
+
+#include "drmresources.h"
+#include "platform.h"
+#include "platformdrmgeneric.h"
+
+#include <drm/drm_fourcc.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include <cutils/log.h>
+#include <gralloc_drm_handle.h>
+#include <hardware/gralloc.h>
+
+namespace android {
+
+#ifdef USE_DRM_GENERIC_IMPORTER
+// static
+Importer *Importer::CreateInstance(DrmResources *drm) {
+  DrmGenericImporter *importer = new DrmGenericImporter(drm);
+  if (!importer)
+    return NULL;
+
+  int ret = importer->Init();
+  if (ret) {
+    ALOGE("Failed to initialize the nv importer %d", ret);
+    delete importer;
+    return NULL;
+  }
+  return importer;
+}
+#endif
+
+DrmGenericImporter::DrmGenericImporter(DrmResources *drm) : drm_(drm) {
+}
+
+DrmGenericImporter::~DrmGenericImporter() {
+}
+
+int DrmGenericImporter::Init() {
+  int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
+                          (const hw_module_t **)&gralloc_);
+  if (ret) {
+    ALOGE("Failed to open gralloc module");
+    return ret;
+  }
+  return 0;
+}
+
+uint32_t DrmGenericImporter::ConvertHalFormatToDrm(uint32_t hal_format) {
+  switch (hal_format) {
+    case HAL_PIXEL_FORMAT_RGB_888:
+      return DRM_FORMAT_BGR888;
+    case HAL_PIXEL_FORMAT_BGRA_8888:
+      return DRM_FORMAT_ARGB8888;
+    case HAL_PIXEL_FORMAT_RGBX_8888:
+      return DRM_FORMAT_XBGR8888;
+    case HAL_PIXEL_FORMAT_RGBA_8888:
+      return DRM_FORMAT_ABGR8888;
+    case HAL_PIXEL_FORMAT_RGB_565:
+      return DRM_FORMAT_BGR565;
+    case HAL_PIXEL_FORMAT_YV12:
+      return DRM_FORMAT_YVU420;
+    default:
+      ALOGE("Cannot convert hal format to drm format %u", hal_format);
+      return -EINVAL;
+  }
+}
+
+int DrmGenericImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
+  gralloc_drm_handle_t *gr_handle = gralloc_drm_handle(handle);
+  if (!gr_handle)
+    return -EINVAL;
+
+  uint32_t gem_handle;
+  int ret = drmPrimeFDToHandle(drm_->fd(), gr_handle->prime_fd, &gem_handle);
+  if (ret) {
+    ALOGE("failed to import prime fd %d ret=%d", gr_handle->prime_fd, ret);
+    return ret;
+  }
+
+  memset(bo, 0, sizeof(hwc_drm_bo_t));
+  bo->width = gr_handle->width;
+  bo->height = gr_handle->height;
+  bo->format = ConvertHalFormatToDrm(gr_handle->format);
+  bo->pitches[0] = gr_handle->stride;
+  bo->gem_handles[0] = gem_handle;
+  bo->offsets[0] = 0;
+
+  ret = drmModeAddFB2(drm_->fd(), bo->width, bo->height, bo->format,
+                      bo->gem_handles, bo->pitches, bo->offsets, &bo->fb_id, 0);
+  if (ret) {
+    ALOGE("could not create drm fb %d", ret);
+    return ret;
+  }
+
+  return ret;
+}
+
+int DrmGenericImporter::ReleaseBuffer(hwc_drm_bo_t *bo) {
+  if (bo->fb_id)
+    if (drmModeRmFB(drm_->fd(), bo->fb_id))
+      ALOGE("Failed to rm fb");
+
+  struct drm_gem_close gem_close;
+  memset(&gem_close, 0, sizeof(gem_close));
+  int num_gem_handles = sizeof(bo->gem_handles) / sizeof(bo->gem_handles[0]);
+  for (int i = 0; i < num_gem_handles; i++) {
+    if (!bo->gem_handles[i])
+      continue;
+
+    gem_close.handle = bo->gem_handles[i];
+    int ret = drmIoctl(drm_->fd(), DRM_IOCTL_GEM_CLOSE, &gem_close);
+    if (ret)
+      ALOGE("Failed to close gem handle %d %d", i, ret);
+    else
+      bo->gem_handles[i] = 0;
+  }
+  return 0;
+}
+}