Dump layer buffer

Support NV12&ARGB

Signed-off-by: lihaihong <[email protected]>

Android.bp

@@ -51,7 +51,10 @@ cc_defaults {
         "libutils",
     ],
 
-    include_dirs: ["vendor/intel/external/drm-hwcomposer"],
+    include_dirs: [
+        "vendor/intel/external/drm-hwcomposer",
+        "hardware/intel/external/minigbm-intel/cros_gralloc",
+    ],
 
     header_libs: [
         "android.hardware.graphics.composer3-command-buffer",
@@ -140,6 +143,7 @@ cc_library_shared {
     ],
     cppflags: [
         "-DHEADLESS_RESOLUTION_2560_1600",
+        "-DHWC_DUMP_BUFFER",
     ],
 }
 

backend/Backend.cpp

@@ -21,7 +21,10 @@
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include "BackendManager.h"
 #include "bufferinfo/BufferInfoGetter.h"
-
+#ifdef HWC_DUMP_BUFFER
+#include "bufferinfo/legacy/BufferInfoMinigbm.h"
+#include "utils/properties.h"
+#endif
 namespace android {
 
 HWC2::Error Backend::ValidateDisplay(HwcDisplay *display, uint32_t *num_types,
@@ -35,6 +38,15 @@ HWC2::Error Backend::ValidateDisplay(HwcDisplay *display, uint32_t *num_types,
     if ((uint32_t)l->GetSfType() == (uint32_t)aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION)
       return HWC2::Error::Unsupported;
   }
+
+#ifdef HWC_DUMP_BUFFER
+  char status[PROPERTY_VALUE_MAX] = {0};
+  property_get("drm.dumpbuffer.on", status, "1");
+  for (size_t z_order = 0; z_order < layers.size(); ++z_order) {
+    if (status[0] != '0')
+      BufferInfoMinigbm::DumpBuffer(display->GetPipe().device, layers[z_order]->GetBufferHandle(), z_order);
+  }
+#endif
   int client_start = -1;
   size_t client_size = 0;
 

bufferinfo/legacy/BufferInfoMinigbm.cpp

@@ -25,6 +25,8 @@
 #include <cstring>
 
 #include "utils/log.h"
+#include <cros_gralloc_helpers.h>
+#include <i915_private_android_types.h>
 namespace android {
 
 LEGACY_BUFFER_INFO_GETTER(BufferInfoMinigbm);
@@ -122,4 +124,91 @@ int BufferInfoMinigbm::ValidateGralloc() {
   return 0;
 }
 
+void BufferInfoMinigbm::InitializeGralloc1(DrmDevice *drmDevice) {
+  hw_device_t *device;
+
+  struct dri2_drm_display *dri_drm = (struct dri2_drm_display *)calloc(1, sizeof(*dri_drm));
+  if (!dri_drm)
+    return;
+
+  dri_drm->fd = -1;
+  int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
+                      (const hw_module_t **)&dri_drm->gralloc);
+  if (ret) {
+    return;
+  }
+
+  dri_drm->gralloc_version = dri_drm->gralloc->common.module_api_version;
+  if (dri_drm->gralloc_version == HARDWARE_MODULE_API_VERSION(1, 0)) {
+    ret = dri_drm->gralloc->common.methods->open(&dri_drm->gralloc->common, GRALLOC_HARDWARE_MODULE_ID, &device);
+    if (ret) {
+      ALOGE("Failed to open device");
+      return;
+    } else {
+      ALOGE("success to open device, Initialize");
+      dri_drm->gralloc1_dvc = (gralloc1_device_t *)device;
+      dri_drm->pfn_lock = (GRALLOC1_PFN_LOCK)dri_drm->gralloc1_dvc->getFunction(dri_drm->gralloc1_dvc, GRALLOC1_FUNCTION_LOCK);
+      dri_drm->pfn_importBuffer = (GRALLOC1_PFN_IMPORT_BUFFER)dri_drm->gralloc1_dvc->getFunction(dri_drm->gralloc1_dvc, GRALLOC1_FUNCTION_IMPORT_BUFFER);
+      dri_drm->pfn_release = (GRALLOC1_PFN_RELEASE)dri_drm->gralloc1_dvc->getFunction(dri_drm->gralloc1_dvc, GRALLOC1_FUNCTION_RELEASE);
+      dri_drm->pfn_unlock = (GRALLOC1_PFN_UNLOCK)dri_drm->gralloc1_dvc->getFunction(dri_drm->gralloc1_dvc, GRALLOC1_FUNCTION_UNLOCK);
+      dri_drm->pfn_get_stride = (GRALLOC1_PFN_GET_STRIDE)dri_drm->gralloc1_dvc->getFunction(dri_drm->gralloc1_dvc, GRALLOC1_FUNCTION_GET_STRIDE);
+      drmDevice->dri_drm_ = (void *)dri_drm;
+      }
+    }
+  return;
+}
+
+void BufferInfoMinigbm::DumpBuffer(DrmDevice *drmDevice, buffer_handle_t handle, int z_order) {
+  if (NULL == handle)
+    return;
+  char dump_file[256] = {0};
+  buffer_handle_t handle_copy;
+  uint8_t* pixels = nullptr;
+  cros_gralloc_handle *gr_handle = (cros_gralloc_handle *)handle;
+  gralloc1_rect_t accessRegion = {0, 0, (int32_t)gr_handle->width, (int32_t)gr_handle->height};;
+
+  struct dri2_drm_display *dri_drm = (struct dri2_drm_display *)drmDevice->dri_drm_;
+
+  assert (dri_drm == nullptr ||
+          dri_drm->pfn_importBuffer  == nullptr ||
+          dri_drm->pfn_lock  == nullptr ||
+          dri_drm->pfn_unlock  == nullptr ||
+          dri_drm->pfn_release  == nullptr ||
+          dri_drm->pfn_get_stride);
+
+  int ret = dri_drm->pfn_importBuffer(dri_drm->gralloc1_dvc, handle, &handle_copy);
+  if (ret) {
+    ALOGE("Gralloc importBuffer failed");
+    return;
+  }
+  ret = dri_drm->pfn_lock(dri_drm->gralloc1_dvc, handle_copy,
+                          GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN, GRALLOC1_PRODUCER_USAGE_CPU_WRITE_NEVER,
+                          &accessRegion, reinterpret_cast<void**>(&pixels), 0);
+  if (ret) {
+    ALOGE("gralloc->lock failed: %d", ret);
+    return;
+  } else {
+    char ctime[32];
+    time_t t = time(0);
+    static int i = 0;
+    strftime(ctime, sizeof(ctime), "%Y-%m-%d", localtime(&t));
+    sprintf(dump_file, "/data/local/traces/dump_%d_%dx%d_%s_%d", z_order, gr_handle->width, gr_handle->height, ctime,i++);
+    int file_fd = 0;
+    file_fd = open(dump_file, O_RDWR|O_CREAT, 0666);
+    if (file_fd == -1) {
+      ALOGE("Failed to open %s while dumping", dump_file);
+    } else {
+      size_t size = 0;
+      if (gr_handle->usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
+        size = gr_handle->width * gr_handle->height * 1.5;
+      else
+        size = gr_handle->width * gr_handle->height * 4;
+      write(file_fd, pixels, size);
+      close(file_fd);
+    }
+    int outReleaseFence = 0;
+    dri_drm->pfn_unlock(dri_drm->gralloc1_dvc, handle_copy, &outReleaseFence);
+    dri_drm->pfn_release(dri_drm->gralloc1_dvc, handle_copy);
+  }
+}
 }  // namespace android

bufferinfo/legacy/BufferInfoMinigbm.h

@@ -18,16 +18,42 @@
 #define BUFFERINFOMINIGBM_H_
 
 #include <hardware/gralloc.h>
-
+#include <hardware/gralloc1.h>
 #include "bufferinfo/BufferInfoGetter.h"
 
+#define DRV_MAX_PLANES 4
+#define DRV_MAX_FDS (DRV_MAX_PLANES + 1)
+
+enum INITIALIZE_ERROR{
+	INITIALIZE_CALLOC_ERROR = 1,
+	INITIALIZE_GET_MODULE_ERROR,
+	INITIALIZE_OPEN_DEVICE_ERROR,
+	INITIALIZE_NONE = 0,
+};
+
+struct dri2_drm_display
+{
+   int fd;
+   const gralloc_module_t *gralloc;
+   uint16_t gralloc_version;
+   gralloc1_device_t *gralloc1_dvc;
+   GRALLOC1_PFN_LOCK pfn_lock;
+   GRALLOC1_PFN_GET_FORMAT pfn_getFormat;
+   GRALLOC1_PFN_UNLOCK pfn_unlock;
+   GRALLOC1_PFN_IMPORT_BUFFER pfn_importBuffer;
+   GRALLOC1_PFN_RELEASE pfn_release;
+   GRALLOC1_PFN_GET_STRIDE pfn_get_stride;
+};
+
 namespace android {
 
 class BufferInfoMinigbm : public LegacyBufferInfoGetter {
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
   auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
   int ValidateGralloc() override;
+  static void InitializeGralloc1(DrmDevice *drmDevice);
+  static void DumpBuffer(DrmDevice *drmDevice, buffer_handle_t handle, int z_order);
 };
 
 }  // namespace android

drm/DrmDevice.h

@@ -136,6 +136,7 @@ class DrmDevice {
   bool planes_enabling_;
   uint32_t planes_num_;
   bool color_adjustment_enabling_;
+  void *dri_drm_;
 };
 }  // namespace android
 

hwc2_device/HwcDisplay.cpp

@@ -27,7 +27,9 @@
 #include "utils/properties.h"
 #include <sync/sync.h>
 #include <cinttypes>
-
+#ifdef HWC_DUMP_BUFFER
+#include "bufferinfo/legacy/BufferInfoMinigbm.h"
+#endif
 namespace android {
 
 std::string HwcDisplay::DumpDelta(HwcDisplay::Stats delta) {
@@ -168,7 +170,9 @@ HWC2::Error HwcDisplay::Init() {
   }
 
   client_layer_.SetLayerBlendMode(HWC2_BLEND_MODE_PREMULTIPLIED);
-
+#ifdef HWC_DUMP_BUFFER
+  BufferInfoMinigbm::InitializeGralloc1(pipeline_->device);
+#endif
   return HWC2::Error::None;
 }
 

hwc2_device/HwcLayer.cpp

@@ -22,6 +22,10 @@
 #include "bufferinfo/BufferInfoGetter.h"
 #include "utils/log.h"
 
+#ifdef HWC_DUMP_BUFFER
+#include "bufferinfo/legacy/BufferInfoMinigbm.h"
+#endif
+
 namespace android {
 
 // NOLINTNEXTLINE(readability-convert-member-functions-to-static)
@@ -270,7 +274,9 @@ void HwcLayer::ImportFb() {
 
 void HwcLayer::PopulateLayerData(bool test) {
   ImportFb();
-
+#ifdef HWC_DUMP_BUFFER
+  BufferInfoMinigbm::DumpBuffer(parent_->GetPipe().device, buffer_handle_, 0);
+#endif
   if (blend_mode_ != BufferBlendMode::kUndefined) {
     layer_data_.bi->blend_mode = blend_mode_;
   }

hwc2_device/HwcLayer.h

@@ -118,6 +118,7 @@ class HwcLayer {
     return !bi_get_failed_ && !fb_import_failed_ && buffer_handle_ != nullptr;
   }
 
+  buffer_handle_t GetBufferHandle() {return buffer_handle_;}
  private:
   void ImportFb();
   bool bi_get_failed_{};