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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 "GrMtlTextureRenderTarget.h"
#include "GrMtlGpu.h"
#include "GrMtlUtil.h"
GrMtlTextureRenderTarget::GrMtlTextureRenderTarget(GrMtlGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, GrMtlTexture(gpu, desc, renderTexture, mipMapsStatus)
, GrMtlRenderTarget(gpu, desc, renderTexture) {
this->registerWithCache(budgeted);
}
GrMtlTextureRenderTarget::GrMtlTextureRenderTarget(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, GrMtlTexture(gpu, desc, renderTexture, mipMapsStatus)
, GrMtlRenderTarget(gpu, desc, renderTexture) {
this->registerWithCacheWrapped();
}
sk_sp<GrMtlTextureRenderTarget>
GrMtlTextureRenderTarget::Make(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> renderTexture,
GrMipMapsStatus mipMapsStatus,
SkBudgeted budgeted,
bool isWrapped) {
SkASSERT(nil != renderTexture);
if (desc.fSampleCnt > 1) {
SkASSERT(false); // Currently don't support MSAA
return nullptr;
}
SkASSERT((MTLTextureUsageShaderRead | MTLTextureUsageRenderTarget) & renderTexture.usage);
if (!isWrapped) {
return sk_sp<GrMtlTextureRenderTarget>(new GrMtlTextureRenderTarget(gpu,
budgeted,
desc,
renderTexture,
mipMapsStatus));
} else {
return sk_sp<GrMtlTextureRenderTarget>(new GrMtlTextureRenderTarget(gpu,
desc,
renderTexture,
mipMapsStatus));
}
}
sk_sp<GrMtlTextureRenderTarget>
GrMtlTextureRenderTarget::CreateNewTextureRenderTarget(GrMtlGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
MTLTextureDescriptor* texDesc,
GrMipMapsStatus mipMapsStatus) {
id<MTLTexture> texture = [gpu->device() newTextureWithDescriptor:texDesc];
return Make(gpu, desc, texture, mipMapsStatus, budgeted, false);
}
sk_sp<GrMtlTextureRenderTarget>
GrMtlTextureRenderTarget::MakeWrappedTextureRenderTarget(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> texture) {
SkASSERT(nil != texture);
GrMipMapsStatus mipMapsStatus = texture.mipmapLevelCount > 1 ? GrMipMapsStatus::kDirty
: GrMipMapsStatus::kNotAllocated;
return Make(gpu, desc, texture, mipMapsStatus, SkBudgeted::kNo, true);
}
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