kc3-lang/angle/src/libANGLE/renderer/metal/mtl_context_device.h

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• Hash : 42bd4fc2
  Author :
  Date : 2021-12-10T14:58:17
  

  Metal: add ANGLE_metal_create_context_ownership_identity.
  
  This Metal-specific EGL extension allows a given context
  and the GPU resources it allocates to be associated with
  a particular task ID on the system, for system-level
  bookkeeping purposes.
  
  Bug: angleproject:6795
  Change-Id: I19ee0993564169b01c4a450e63dcfacd339b98b5
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3335172
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Kenneth Russell <kbr@chromium.org>
  

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• src/libANGLE/renderer/metal/mtl_context_device.h

• //
  // Copyright 2021 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // mtl_device.h:
  //    Defines the wrapper class for Metal's MTLDevice per context.
  //
  
  #ifndef LIBANGLE_RENDERER_METAL_CONTEXT_DEVICE_H_
  #define LIBANGLE_RENDERER_METAL_CONTEXT_DEVICE_H_
  
  #import <Metal/Metal.h>
  #import <mach/mach_types.h>
  
  #include "common/apple/apple_platform.h"
  #include "libANGLE/renderer/metal/mtl_common.h"
  
  namespace rx
  {
  namespace mtl
  {
  
  class ContextDevice final : public WrappedObject<id<MTLDevice>>, angle::NonCopyable
  {
    public:
      ContextDevice(GLint ownershipIdentity);
      ~ContextDevice();
      inline void set(id<MTLDevice> metalDevice) { ParentClass::set(metalDevice); }
  
      AutoObjCPtr<id<MTLSamplerState>> newSamplerStateWithDescriptor(
          MTLSamplerDescriptor *descriptor) const;
  
      AutoObjCPtr<id<MTLTexture>> newTextureWithDescriptor(MTLTextureDescriptor *descriptor) const;
      AutoObjCPtr<id<MTLTexture>> newTextureWithDescriptor(MTLTextureDescriptor *descriptor,
                                                           IOSurfaceRef iosurface,
                                                           NSUInteger plane) const;
  
      AutoObjCPtr<id<MTLBuffer>> newBufferWithLength(NSUInteger length,
                                                     MTLResourceOptions options) const;
      AutoObjCPtr<id<MTLBuffer>> newBufferWithBytes(const void *pointer,
                                                    NSUInteger length,
                                                    MTLResourceOptions options) const;
  
      AutoObjCPtr<id<MTLComputePipelineState>> newComputePipelineStateWithFunction(
          id<MTLFunction> computeFunction,
          __autoreleasing NSError **error) const;
      AutoObjCPtr<id<MTLRenderPipelineState>> newRenderPipelineStateWithDescriptor(
          MTLRenderPipelineDescriptor *descriptor,
          __autoreleasing NSError **error) const;
  
      AutoObjCPtr<id<MTLLibrary>> newLibraryWithSource(NSString *source,
                                                       MTLCompileOptions *options,
                                                       __autoreleasing NSError **error) const;
  
      AutoObjCPtr<id<MTLDepthStencilState>> newDepthStencilStateWithDescriptor(
          MTLDepthStencilDescriptor *descriptor) const;
  
      AutoObjCPtr<id<MTLSharedEvent>> newSharedEvent() const;
  
      void setOwnerWithIdentity(id<MTLResource> resource) const;
  
    private:
      using ParentClass = WrappedObject<id<MTLDevice>>;
  
  #if ANGLE_USE_METAL_OWNERSHIP_IDENTITY
      task_id_token_t mOwnershipIdentity = TASK_ID_TOKEN_NULL;
  #endif
  };
  
  }  // namespace mtl
  }  // namespace rx
  
  #endif /* LIBANGLE_RENDERER_METAL_CONTEXT_DEVICE_H_ */
  

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