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- /*
- * 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/GrRenderTarget.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/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 GrSurfaceDesc& desc, GrProtected isProtected,
- GrTextureType textureType, GrMipMapsStatus mipMapsStatus)
- : INHERITED(gpu, desc, 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->surfacePriv().hasUniqueRef() || texture->surfacePriv().hasPendingIO()) {
- 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 (!GrPixelConfigIsCompressed(this->config())) {
- 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);
- }
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