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 #include "GrMtlCopyPipelineState.h" 9 #include "GrMtlGpu.h" 10 11 GrMtlCopyPipelineState* GrMtlCopyPipelineState::CreateCopyPipelineState( 12 GrMtlGpu* gpu, 13 MTLPixelFormat dstPixelFormat, 14 id<MTLFunction> vertexFunction, 15 id<MTLFunction> fragmentFunction, 16 MTLVertexDescriptor* vertexDescriptor) { 17 18 // Create pipeline state for copy as draw 19 MTLRenderPipelineDescriptor* pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init]; 20 pipelineDescriptor.vertexFunction = vertexFunction; 21 pipelineDescriptor.fragmentFunction = fragmentFunction; 22 pipelineDescriptor.vertexDescriptor = vertexDescriptor; 23 pipelineDescriptor.colorAttachments[0].pixelFormat = dstPixelFormat; 24 25 NSError* error = nil; 26 id<MTLRenderPipelineState> pipelineState = 27 [gpu->device() newRenderPipelineStateWithDescriptor: pipelineDescriptor 28 error: &error]; 29 if (error) { 30 SkDebugf("Error creating pipeline: %s\n", 31 [[error localizedDescription] cStringUsingEncoding: NSASCIIStringEncoding]); 32 return nil; 33 } 34 35 SkASSERT(pipelineState); 36 return new GrMtlCopyPipelineState(pipelineState, dstPixelFormat); 37 } 38
