flutter::EmbedderSurfaceMetalImpeller Class Reference

#include <embedder_surface_metal_impeller.h>

Inheritance diagram for flutter::EmbedderSurfaceMetalImpeller:

Classes
struct	MetalDispatchTable

Public Member Functions
	EmbedderSurfaceMetalImpeller (GPUMTLDeviceHandle device, GPUMTLCommandQueueHandle command_queue, MetalDispatchTable dispatch_table, std::shared_ptr< EmbedderExternalViewEmbedder > external_view_embedder, impeller::Flags impeller_flags)
	~EmbedderSurfaceMetalImpeller () override
Public Member Functions inherited from flutter::EmbedderSurface
	EmbedderSurface ()
virtual	~EmbedderSurface ()
virtual sk_sp< GrDirectContext >	CreateResourceContext () const
Public Member Functions inherited from flutter::GPUSurfaceMetalDelegate
	GPUSurfaceMetalDelegate (MTLRenderTargetType render_target)
	Construct a new GPUSurfaceMetalDelegate object with the specified render_target type.
virtual	~GPUSurfaceMetalDelegate ()
virtual bool	PreparePresent (GrMTLHandle drawable) const
virtual bool	AllowsDrawingWhenGpuDisabled () const
	Whether to allow drawing to the surface when the GPU is disabled.
MTLRenderTargetType	GetRenderTargetType ()

Detailed Description

Definition at line 25 of file embedder_surface_metal_impeller.h.

Constructor & Destructor Documentation

EmbedderSurfaceMetalImpeller()

flutter::EmbedderSurfaceMetalImpeller::EmbedderSurfaceMetalImpeller	(	GPUMTLDeviceHandle	device,
		GPUMTLCommandQueueHandle	command_queue,
		MetalDispatchTable	dispatch_table,
		std::shared_ptr< EmbedderExternalViewEmbedder >	external_view_embedder,
		impeller::Flags	impeller_flags
	)

Definition at line 27 of file embedder_surface_metal_impeller.mm.

    : GPUSurfaceMetalDelegate(MTLRenderTargetType::kMTLTexture),
      metal_dispatch_table_(std::move(metal_dispatch_table)),
      external_view_embedder_(std::move(external_view_embedder)) {
  std::vector<std::shared_ptr<fml::Mapping>> shader_mappings = {
      std::make_shared<fml::NonOwnedMapping>(impeller_entity_shaders_data,
                                             impeller_entity_shaders_length),
      std::make_shared<fml::NonOwnedMapping>(impeller_modern_shaders_data,
                                             impeller_modern_shaders_length),
      std::make_shared<fml::NonOwnedMapping>(impeller_framebuffer_blend_shaders_data,
                                             impeller_framebuffer_blend_shaders_length),
  };
  context_ = impeller::ContextMTL::Create(
      impeller_flags,
      (__bridge id<MTLDevice>)device,               // device
      (__bridge id<MTLCommandQueue>)command_queue,  // command_queue
      shader_mappings,                              // shader_libraries_data
      std::make_shared<fml::SyncSwitch>(false),     // is_gpu_disabled_sync_switch
      "Impeller Library"                            // library_label
  );
  if (impeller_flags.use_sdfs) {
    FML_LOG(IMPORTANT) << "Using the Impeller rendering backend (MetalSDF).";
  } else {
    FML_LOG(IMPORTANT) << "Using the Impeller rendering backend (Metal).";
  }
 
  valid_ = !!context_;
}

References impeller::ContextMTL::Create(), device, FML_LOG, and impeller::Flags::use_sdfs.

~EmbedderSurfaceMetalImpeller()

flutter::EmbedderSurfaceMetalImpeller::~EmbedderSurfaceMetalImpeller ( )

overridedefault

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The documentation for this class was generated from the following files:

• shell/platform/embedder/embedder_surface_metal_impeller.h
• shell/platform/embedder/embedder_surface_metal_impeller.mm