blob: 7dd6f59c6f16a063ebcfce5d6b8454db46555f23 [file] [log] [blame]
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrMtlTexture.h"
#include "GrMtlGpu.h"
#include "GrMtlUtil.h"
#include "GrTexturePriv.h"
GrMtlTexture::GrMtlTexture(GrMtlGpu* gpu,
SkBudgeted budgeted,
const GrSurfaceDesc& desc,
id<MTLTexture> texture,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, GrTextureType::k2D, mipMapsStatus)
, fTexture(texture) {
SkASSERT((GrMipMapsStatus::kNotAllocated == mipMapsStatus) == (1 == texture.mipmapLevelCount));
this->registerWithCache(budgeted);
}
GrMtlTexture::GrMtlTexture(GrMtlGpu* gpu,
Wrapped,
const GrSurfaceDesc& desc,
id<MTLTexture> texture,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, GrTextureType::k2D, mipMapsStatus)
, fTexture(texture) {
SkASSERT((GrMipMapsStatus::kNotAllocated == mipMapsStatus) == (1 == texture.mipmapLevelCount));
this->registerWithCacheWrapped();
}
GrMtlTexture::GrMtlTexture(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> texture,
GrMipMapsStatus mipMapsStatus)
: GrSurface(gpu, desc)
, INHERITED(gpu, desc, GrTextureType::k2D, mipMapsStatus)
, fTexture(texture) {
SkASSERT((GrMipMapsStatus::kNotAllocated == mipMapsStatus) == (1 == texture.mipmapLevelCount));
}
sk_sp<GrMtlTexture> GrMtlTexture::CreateNewTexture(GrMtlGpu* gpu, SkBudgeted budgeted,
const GrSurfaceDesc& desc,
MTLTextureDescriptor* texDesc,
GrMipMapsStatus mipMapsStatus) {
if (desc.fSampleCnt > 1) {
SkASSERT(false); // Currently we don't support msaa
return nullptr;
}
id<MTLTexture> texture = [gpu->device() newTextureWithDescriptor:texDesc];
SkASSERT(nil != texture);
SkASSERT(MTLTextureUsageShaderRead & texture.usage);
return sk_sp<GrMtlTexture>(new GrMtlTexture(gpu, budgeted, desc, texture, mipMapsStatus));
}
sk_sp<GrMtlTexture> GrMtlTexture::MakeWrappedTexture(GrMtlGpu* gpu,
const GrSurfaceDesc& desc,
id<MTLTexture> texture) {
if (desc.fSampleCnt > 1) {
SkASSERT(false); // Currently we don't support msaa
return nullptr;
}
SkASSERT(nil != texture);
SkASSERT(MTLTextureUsageShaderRead & texture.usage);
GrMipMapsStatus mipMapsStatus = texture.mipmapLevelCount > 1 ? GrMipMapsStatus::kValid
: GrMipMapsStatus::kNotAllocated;
return sk_sp<GrMtlTexture>(new GrMtlTexture(gpu, kWrapped, desc, texture, mipMapsStatus));
}
GrMtlTexture::~GrMtlTexture() {
SkASSERT(nil == fTexture);
}
GrMtlGpu* GrMtlTexture::getMtlGpu() const {
SkASSERT(!this->wasDestroyed());
return static_cast<GrMtlGpu*>(this->getGpu());
}
GrBackendTexture GrMtlTexture::getBackendTexture() const {
GrMipMapped mipMapped = fTexture.mipmapLevelCount > 1 ? GrMipMapped::kYes
: GrMipMapped::kNo;
GrMtlTextureInfo info;
info.fTexture = GrGetPtrFromId(fTexture);
return GrBackendTexture(this->width(), this->height(), mipMapped, info);
}