blob: b2fd2c174c9204d799e87be5aca9ed90f51893e5 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkMath.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GrContext.h"
#include "include/gpu/GrTexture.h"
#include "include/gpu/GrTypes.h"
#include "include/private/GrResourceKey.h"
#include "src/core/SkMipMap.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrRenderTarget.h"
#include "src/gpu/GrSurfacePriv.h"
#include "src/gpu/GrTexturePriv.h"
void GrTexture::markMipMapsDirty() {
if (GrMipMapsStatus::kValid == fMipMapsStatus) {
fMipMapsStatus = GrMipMapsStatus::kDirty;
}
}
void GrTexture::markMipMapsClean() {
SkASSERT(GrMipMapsStatus::kNotAllocated != fMipMapsStatus);
fMipMapsStatus = GrMipMapsStatus::kValid;
}
size_t GrTexture::onGpuMemorySize() const {
const GrCaps& caps = *this->getGpu()->caps();
return GrSurface::ComputeSize(caps, this->backendFormat(), this->dimensions(), 1,
this->texturePriv().mipMapped());
}
/////////////////////////////////////////////////////////////////////////////
GrTexture::GrTexture(GrGpu* gpu,
const SkISize& dimensions,
GrProtected isProtected,
GrTextureType textureType,
GrMipMapsStatus mipMapsStatus)
: INHERITED(gpu, dimensions, isProtected)
, fTextureType(textureType)
, fMipMapsStatus(mipMapsStatus) {
if (GrMipMapsStatus::kNotAllocated == fMipMapsStatus) {
fMaxMipMapLevel = 0;
} else {
fMaxMipMapLevel = SkMipMap::ComputeLevelCount(this->width(), this->height());
}
}
bool GrTexture::StealBackendTexture(sk_sp<GrTexture> texture,
GrBackendTexture* backendTexture,
SkImage::BackendTextureReleaseProc* releaseProc) {
if (!texture->unique()) {
return false;
}
if (!texture->onStealBackendTexture(backendTexture, releaseProc)) {
return false;
}
#ifdef SK_DEBUG
GrResourceCache* cache = texture->getContext()->priv().getResourceCache();
int preCount = cache->getResourceCount();
#endif
// Ensure that the texture will be released by the cache when we drop the last ref.
// A texture that has no refs and no keys should be immediately removed.
if (texture->getUniqueKey().isValid()) {
texture->resourcePriv().removeUniqueKey();
}
if (texture->resourcePriv().getScratchKey().isValid()) {
texture->resourcePriv().removeScratchKey();
}
#ifdef SK_DEBUG
texture.reset();
int postCount = cache->getResourceCount();
SkASSERT(postCount < preCount);
#endif
return true;
}
void GrTexture::computeScratchKey(GrScratchKey* key) const {
if (!this->getGpu()->caps()->isFormatCompressed(this->backendFormat())) {
int sampleCount = 1;
GrRenderable renderable = GrRenderable::kNo;
if (const auto* rt = this->asRenderTarget()) {
sampleCount = rt->numSamples();
renderable = GrRenderable::kYes;
}
auto isProtected = this->isProtected() ? GrProtected::kYes : GrProtected::kNo;
GrTexturePriv::ComputeScratchKey(*this->getGpu()->caps(), this->backendFormat(),
this->dimensions(), renderable, sampleCount,
this->texturePriv().mipMapped(), isProtected, key);
}
}
void GrTexturePriv::ComputeScratchKey(const GrCaps& caps,
const GrBackendFormat& format,
SkISize dimensions,
GrRenderable renderable,
int sampleCnt,
GrMipMapped mipMapped,
GrProtected isProtected,
GrScratchKey* key) {
static const GrScratchKey::ResourceType kType = GrScratchKey::GenerateResourceType();
SkASSERT(!dimensions.isEmpty());
SkASSERT(sampleCnt > 0);
SkASSERT(1 == sampleCnt || renderable == GrRenderable::kYes);
SkASSERT(static_cast<uint32_t>(mipMapped) <= 1);
SkASSERT(static_cast<uint32_t>(isProtected) <= 1);
SkASSERT(static_cast<uint32_t>(renderable) <= 1);
SkASSERT(static_cast<uint32_t>(sampleCnt) < (1 << (32 - 3)));
uint64_t formatKey = caps.computeFormatKey(format);
GrScratchKey::Builder builder(key, kType, 5);
builder[0] = dimensions.width();
builder[1] = dimensions.height();
builder[2] = formatKey & 0xFFFFFFFF;
builder[3] = (formatKey >> 32) & 0xFFFFFFFF;
builder[4] = (static_cast<uint32_t>(mipMapped) << 0)
| (static_cast<uint32_t>(isProtected) << 1)
| (static_cast<uint32_t>(renderable) << 2)
| (static_cast<uint32_t>(sampleCnt) << 3);
}