1 files changed, 80 insertions, 0 deletions
diff --git a/platform/platformimagination.cpp b/platform/platformimagination.cpp
new file mode 100644
index 0000000..565e6ee
--- /dev/null
+++ b/platform/platformimagination.cpp
@@ -0,0 +1,80 @@
+#define LOG_TAG "hwc-platform-imagination"
+
+#include "platformimagination.h"
+#include <log/log.h>
+#include <xf86drm.h>
+
+#include "img_gralloc1_public.h"
+
+namespace android {
+
+Importer *Importer::CreateInstance(DrmDevice *drm) {
+  ImaginationImporter *importer = new ImaginationImporter(drm);
+  if (!importer)
+    return NULL;
+
+  int ret = importer->Init();
+  if (ret) {
+    ALOGE("Failed to initialize the Imagination importer %d", ret);
+    delete importer;
+    return NULL;
+  }
+  return importer;
+}
+
+int ImaginationImporter::ImportBuffer(buffer_handle_t handle,
+                                      hwc_drm_bo_t *bo) {
+  IMG_native_handle_t *hnd = (IMG_native_handle_t *)handle;
+  if (!hnd)
+    return -EINVAL;
+
+  uint32_t gem_handle;
+  int ret = drmPrimeFDToHandle(drm_->fd(), hnd->fd[0], &gem_handle);
+  if (ret) {
+    ALOGE("failed to import prime fd %d ret=%d", hnd->fd[0], ret);
+    return ret;
+  }
+
+  /* Extra bits are responsible for buffer compression and memory layout */
+  if (hnd->iFormat & ~0x10f) {
+    ALOGE("Special buffer formats are not supported");
+    return -EINVAL;
+  }
+
+  memset(bo, 0, sizeof(hwc_drm_bo_t));
+  bo->width = hnd->iWidth;
+  bo->height = hnd->iHeight;
+  bo->usage = hnd->usage;
+  bo->gem_handles[0] = gem_handle;
+  bo->pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3;
+
+  switch (hnd->iFormat) {
+#ifdef HAL_PIXEL_FORMAT_BGRX_8888
+    case HAL_PIXEL_FORMAT_BGRX_8888:
+      bo->format = DRM_FORMAT_XRGB8888;
+      break;
+#endif
+    default:
+      bo->format = ConvertHalFormatToDrm(hnd->iFormat & 0xf);
+      if (bo->format == DRM_FORMAT_INVALID) {
+        ALOGE("Cannot convert hal format to drm format %u", hnd->iFormat);
+        return -EINVAL;
+      }
+  }
+
+  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 ret: %d", ret);
+    return ret;
+  }
+
+  return 0;
+}
+
+std::unique_ptr<Planner> Planner::CreateInstance(DrmDevice *) {
+  std::unique_ptr<Planner> planner(new Planner);
+  planner->AddStage<PlanStageGreedy>();
+  return planner;
+}
+}  // namespace android