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      1 /*
      2  * Copyright 2018 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef GrMtlCopyPipelineState_DEFINED
      9 #define GrMtlCopyPipelineState_DEFINED
     10 
     11 #import <metal/metal.h>
     12 
     13 class GrMtlGpu;
     14 
     15 class GrMtlCopyPipelineState {
     16 public:
     17     static GrMtlCopyPipelineState* CreateCopyPipelineState(GrMtlGpu* gpu,
     18                                                            MTLPixelFormat dstPixelFormat,
     19                                                            id<MTLFunction> vertexFunction,
     20                                                            id<MTLFunction> fragmentFunction,
     21                                                            MTLVertexDescriptor* vertexDescriptor);
     22 
     23     id<MTLRenderPipelineState> mtlCopyPipelineState() { return fPipelineState; }
     24 
     25 private:
     26     GrMtlCopyPipelineState(id<MTLRenderPipelineState> pipelineState,
     27                        MTLPixelFormat pixelFormat)
     28             : fPipelineState(pipelineState)
     29             , fPixelFormat(pixelFormat) {}
     30 
     31     id<MTLRenderPipelineState> fPipelineState;
     32     MTLPixelFormat fPixelFormat;
     33 
     34     friend class GrMtlCopyManager;
     35 };
     36 
     37 #endif
     38