blob: 371aa8ee1d8b8aecff8bb4ea14cd0d546e1565bf [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 {
return GrSurface::ComputeSize(this->config(), this->width(), this->height(), 1,
this->texturePriv().mipMapped());
}
/////////////////////////////////////////////////////////////////////////////
GrTexture::GrTexture(GrGpu* gpu, const SkISize& size, GrPixelConfig config, GrProtected isProtected,
GrTextureType textureType, GrMipMapsStatus mipMapsStatus)
: INHERITED(gpu, size, config, 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;
}
GrTexturePriv::ComputeScratchKey(this->config(), this->width(), this->height(), renderable,
sampleCount, this->texturePriv().mipMapped(), key);
}
}
void GrTexturePriv::ComputeScratchKey(GrPixelConfig config, int width, int height,
GrRenderable renderable, int sampleCnt, GrMipMapped mipMapped,
GrScratchKey* key) {
static const GrScratchKey::ResourceType kType = GrScratchKey::GenerateResourceType();
SkASSERT(width > 0);
SkASSERT(height > 0);
SkASSERT(sampleCnt > 0);
SkASSERT(1 == sampleCnt || renderable == GrRenderable::kYes);
// make sure desc.fConfig fits in 5 bits
SkASSERT(sk_float_log2(kLast_GrPixelConfig) <= 5);
SkASSERT(static_cast<int>(config) < (1 << 5));
SkASSERT(sampleCnt < (1 << 8));
SkASSERT(static_cast<int>(mipMapped) <= 1);
GrScratchKey::Builder builder(key, kType, 3);
builder[0] = width;
builder[1] = height;
builder[2] = config
| (static_cast<uint32_t>(mipMapped) << 5)
| (sampleCnt << 6)
| (static_cast<uint32_t>(renderable) << 14);
}
void GrTexturePriv::ComputeScratchKey(const GrSurfaceDesc& desc, GrRenderable renderable,
int sampleCnt, GrScratchKey* key) {
// Note: the fOrigin field is not used in the scratch key
return ComputeScratchKey(desc.fConfig, desc.fWidth, desc.fHeight, renderable, sampleCnt,
GrMipMapped::kNo, key);
}