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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrMtlCopyPipelineState.h"
#include "GrMtlGpu.h"
GrMtlCopyPipelineState* GrMtlCopyPipelineState::CreateCopyPipelineState(
GrMtlGpu* gpu,
MTLPixelFormat dstPixelFormat,
id<MTLFunction> vertexFunction,
id<MTLFunction> fragmentFunction,
MTLVertexDescriptor* vertexDescriptor) {
// Create pipeline state for copy as draw
MTLRenderPipelineDescriptor* pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
pipelineDescriptor.vertexFunction = vertexFunction;
pipelineDescriptor.fragmentFunction = fragmentFunction;
pipelineDescriptor.vertexDescriptor = vertexDescriptor;
pipelineDescriptor.colorAttachments[0].pixelFormat = dstPixelFormat;
NSError* error = nil;
id<MTLRenderPipelineState> pipelineState =
[gpu->device() newRenderPipelineStateWithDescriptor: pipelineDescriptor
error: &error];
if (error) {
SkDebugf("Error creating pipeline: %s\n",
[[error localizedDescription] cStringUsingEncoding: NSASCIIStringEncoding]);
return nil;
}
SkASSERT(pipelineState);
return new GrMtlCopyPipelineState(pipelineState, dstPixelFormat);
}
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