| |
| #include "flutter/shell/platform/android/hardware_buffer_external_texture_vk.h" |
| |
| #include "flutter/impeller/renderer/backend/vulkan/android_hardware_buffer_texture_source_vk.h" |
| #include "flutter/impeller/renderer/backend/vulkan/texture_vk.h" |
| #include "flutter/shell/platform/android/ndk_helpers.h" |
| #include "impeller/core/formats.h" |
| #include "impeller/core/texture_descriptor.h" |
| #include "impeller/display_list/dl_image_impeller.h" |
| |
| namespace flutter { |
| |
| HardwareBufferExternalTextureVK::HardwareBufferExternalTextureVK( |
| const std::shared_ptr<impeller::ContextVK>& impeller_context, |
| int64_t id, |
| const fml::jni::ScopedJavaGlobalRef<jobject>& image_texture_entry, |
| const std::shared_ptr<PlatformViewAndroidJNI>& jni_facade) |
| : HardwareBufferExternalTexture(id, image_texture_entry, jni_facade), |
| impeller_context_(impeller_context) {} |
| |
| HardwareBufferExternalTextureVK::~HardwareBufferExternalTextureVK() {} |
| |
| void HardwareBufferExternalTextureVK::ProcessFrame(PaintContext& context, |
| const SkRect& bounds) { |
| if (state_ == AttachmentState::kUninitialized) { |
| // First processed frame we are attached. |
| state_ = AttachmentState::kAttached; |
| } |
| |
| AHardwareBuffer* latest_hardware_buffer = GetLatestHardwareBuffer(); |
| if (latest_hardware_buffer == nullptr) { |
| FML_LOG(WARNING) << "GetLatestHardwareBuffer returned null."; |
| return; |
| } |
| |
| AHardwareBuffer_Desc hb_desc = {}; |
| flutter::NDKHelpers::AHardwareBuffer_describe(latest_hardware_buffer, |
| &hb_desc); |
| |
| impeller::TextureDescriptor desc; |
| desc.storage_mode = impeller::StorageMode::kDevicePrivate; |
| desc.size = {static_cast<int>(bounds.width()), |
| static_cast<int>(bounds.height())}; |
| // TODO(johnmccutchan): Use hb_desc to compute the correct format at runtime. |
| desc.format = impeller::PixelFormat::kR8G8B8A8UNormInt; |
| desc.mip_count = 1; |
| |
| auto texture_source = |
| std::make_shared<impeller::AndroidHardwareBufferTextureSourceVK>( |
| desc, impeller_context_->GetDevice(), latest_hardware_buffer, |
| hb_desc); |
| |
| auto texture = |
| std::make_shared<impeller::TextureVK>(impeller_context_, texture_source); |
| |
| dl_image_ = impeller::DlImageImpeller::Make(texture); |
| |
| // GetLatestHardwareBuffer keeps a reference on the hardware buffer, drop it. |
| NDKHelpers::AHardwareBuffer_release(latest_hardware_buffer); |
| } |
| |
| void HardwareBufferExternalTextureVK::Detach() {} |
| |
| } // namespace flutter |