C++ GrTexture::resourcePriv方法代码示例

GrTexture* GrClipMaskManager::createCachedMask(int width, int height, const GrUniqueKey& key,
                                               bool renderTarget) {
    GrSurfaceDesc desc;
    desc.fWidth = width;
    desc.fHeight = height;
    desc.fFlags = renderTarget ? kRenderTarget_GrSurfaceFlag : kNone_GrSurfaceFlags;
    if (!renderTarget || fDrawTarget->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) {
        desc.fConfig = kAlpha_8_GrPixelConfig;
    } else {
        desc.fConfig = kRGBA_8888_GrPixelConfig;
    }

    GrTexture* texture = fDrawTarget->cmmAccess().resourceProvider()->createApproxTexture(desc, 0);
    if (!texture) {
        return nullptr;
    }
    texture->resourcePriv().setUniqueKey(key);
    return texture;
}

GrTexture* GrTextureAdjuster::refCopy(const CopyParams& copyParams) {
    GrTexture* texture = this->originalTexture();
    GrContext* context = texture->getContext();
    const SkIRect* contentArea = this->contentAreaOrNull();
    GrUniqueKey key;
    this->makeCopyKey(copyParams, &key);
    if (key.isValid()) {
        GrTexture* cachedCopy = context->textureProvider()->findAndRefTextureByUniqueKey(key);
        if (cachedCopy) {
            return cachedCopy;
        }
    }
    GrTexture* copy = copy_on_gpu(texture, contentArea, copyParams);
    if (copy) {
        if (key.isValid()) {
            copy->resourcePriv().setUniqueKey(key);
            this->didCacheCopy(key);
        }
    }
    return copy;
}

GrTexture* SkImageCacherator::tryLockAsTexture(GrContext* ctx, SkImageUsageType usage) {
#if SK_SUPPORT_GPU
    const uint32_t uniqueID = fGenerator->uniqueID();
    const SkImageInfo& info = this->info();

    GrUniqueKey key;
    GrMakeKeyFromImageID(&key, uniqueID, info.width(), info.height(), SkIPoint::Make(0, 0),
                         *ctx->caps(), usage);
    GrTexture* tex = ctx->textureProvider()->findAndRefTextureByUniqueKey(key);
    if (tex) {
        return tex; // we got a cache hit!
    }

    tex = fGenerator->generateTexture(ctx, usage);
    if (tex) {
        tex->resourcePriv().setUniqueKey(key);
    }
    return tex;
#else
    return nullptr;
#endif
}

GrTexture* GrGpu::createTexture(const GrSurfaceDesc& desc, bool budgeted,
                                const void* srcData, size_t rowBytes) {
    if (!this->caps()->isConfigTexturable(desc.fConfig)) {
        return NULL;
    }

    bool isRT = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag);
    if (isRT && !this->caps()->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) {
        return NULL;
    }

    GrTexture *tex = NULL;
    if (GrPixelConfigIsCompressed(desc.fConfig)) {
        // We shouldn't be rendering into this
        SkASSERT((desc.fFlags & kRenderTarget_GrSurfaceFlag) == 0);

        if (!this->caps()->npotTextureTileSupport() &&
            (!SkIsPow2(desc.fWidth) || !SkIsPow2(desc.fHeight))) {
            return NULL;
        }

        this->handleDirtyContext();
        tex = this->onCreateCompressedTexture(desc, budgeted, srcData);
    } else {
        this->handleDirtyContext();
        tex = this->onCreateTexture(desc, budgeted, srcData, rowBytes);
    }
    if (!this->caps()->reuseScratchTextures() && !isRT) {
        tex->resourcePriv().removeScratchKey();
    }
    if (tex) {
        fStats.incTextureCreates();
        if (srcData) {
            fStats.incTextureUploads();
        }
    }
    return tex;
}

GrTexture* GrGpu::createTexture(const GrSurfaceDesc& origDesc, bool budgeted,
                                const void* srcData, size_t rowBytes) {
    GrSurfaceDesc desc = origDesc;

    if (!this->caps()->isConfigTexturable(desc.fConfig)) {
        return nullptr;
    }

    bool isRT = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag);
    if (isRT && !this->caps()->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) {
        return nullptr;
    }

    // We currently do not support multisampled textures
    if (!isRT && desc.fSampleCnt > 0) {
        return nullptr;
    }

    GrTexture *tex = nullptr;

    if (isRT) {
        int maxRTSize = this->caps()->maxRenderTargetSize();
        if (desc.fWidth > maxRTSize || desc.fHeight > maxRTSize) {
            return nullptr;
        }
    } else {
        int maxSize = this->caps()->maxTextureSize();
        if (desc.fWidth > maxSize || desc.fHeight > maxSize) {
            return nullptr;
        }
    }

    GrGpuResource::LifeCycle lifeCycle = budgeted ? GrGpuResource::kCached_LifeCycle :
                                                    GrGpuResource::kUncached_LifeCycle;

    desc.fSampleCnt = SkTMin(desc.fSampleCnt, this->caps()->maxSampleCount());
    // Attempt to catch un- or wrongly initialized sample counts;
    SkASSERT(desc.fSampleCnt >= 0 && desc.fSampleCnt <= 64);

    desc.fOrigin = resolve_origin(desc.fOrigin, isRT);

    if (GrPixelConfigIsCompressed(desc.fConfig)) {
        // We shouldn't be rendering into this
        SkASSERT(!isRT);
        SkASSERT(0 == desc.fSampleCnt);

        if (!this->caps()->npotTextureTileSupport() &&
            (!SkIsPow2(desc.fWidth) || !SkIsPow2(desc.fHeight))) {
            return nullptr;
        }

        this->handleDirtyContext();
        tex = this->onCreateCompressedTexture(desc, lifeCycle, srcData);
    } else {
        this->handleDirtyContext();
        tex = this->onCreateTexture(desc, lifeCycle, srcData, rowBytes);
    }
    if (!this->caps()->reuseScratchTextures() && !isRT) {
        tex->resourcePriv().removeScratchKey();
    }
    if (tex) {
        fStats.incTextureCreates();
        if (srcData) {
            fStats.incTextureUploads();
        }
    }
    return tex;
}