C++ GrBackendTexture::height方法代码示例

sk_sp<GrRenderTarget> GrGpu::wrapBackendTextureAsRenderTarget(const GrBackendTexture& tex,
                                                              int sampleCnt) {
    if (0 == this->caps()->getRenderTargetSampleCount(sampleCnt, tex.config())) {
        return nullptr;
    }
    int maxSize = this->caps()->maxTextureSize();
    if (tex.width() > maxSize || tex.height() > maxSize) {
        return nullptr;
    }
    this->handleDirtyContext();
    return this->onWrapBackendTextureAsRenderTarget(tex, sampleCnt);
}

sk_sp<GrTexture> GrMockGpu::onWrapBackendTexture(const GrBackendTexture& tex,
                                                 GrWrapOwnership ownership,
                                                 GrWrapCacheable wrapType, GrIOType ioType) {
    GrSurfaceDesc desc;
    desc.fWidth = tex.width();
    desc.fHeight = tex.height();

    GrMockTextureInfo info;
    SkAssertResult(tex.getMockTextureInfo(&info));
    desc.fConfig = info.fConfig;

    GrMipMapsStatus mipMapsStatus = tex.hasMipMaps() ? GrMipMapsStatus::kValid
                                                     : GrMipMapsStatus::kNotAllocated;

    return sk_sp<GrTexture>(new GrMockTexture(this, desc, mipMapsStatus, info, wrapType, ioType));
}

sk_sp<GrRenderTarget> GrMockGpu::onWrapBackendTextureAsRenderTarget(const GrBackendTexture& tex,
                                                                    int sampleCnt) {
    GrSurfaceDesc desc;
    desc.fFlags = kRenderTarget_GrSurfaceFlag;
    desc.fWidth = tex.width();
    desc.fHeight = tex.height();

    GrMockTextureInfo texInfo;
    SkAssertResult(tex.getMockTextureInfo(&texInfo));
    desc.fConfig = texInfo.fConfig;
    desc.fSampleCnt = sampleCnt;

    GrMockRenderTargetInfo rtInfo;
    rtInfo.fConfig = texInfo.fConfig;
    // The client gave us the texture ID but we supply the render target ID.
    rtInfo.fID = NextInternalRenderTargetID();

    return sk_sp<GrRenderTarget>(
            new GrMockRenderTarget(this, GrMockRenderTarget::kWrapped, desc, rtInfo));
}

sk_sp<SkSurface> SkSurface::MakeFromBackendTexture(GrContext* context, const GrBackendTexture& tex,
                                                   GrSurfaceOrigin origin, int sampleCnt,
                                                   SkColorType colorType,
                                                   sk_sp<SkColorSpace> colorSpace,
                                                   const SkSurfaceProps* props) {
    if (!context) {
        return nullptr;
    }
    sampleCnt = SkTMax(1, sampleCnt);
    GrBackendTexture texCopy = tex;
    if (!validate_backend_texture(context, texCopy, &texCopy.fConfig,
                                  sampleCnt, colorType, colorSpace, true)) {
        return nullptr;
    }

    if (!context) {
        return nullptr;
    }
    if (!SkSurface_Gpu::Valid(context, texCopy.config(), colorSpace.get())) {
        return nullptr;
    }
    sampleCnt = SkTMax(1, sampleCnt);

    sk_sp<GrRenderTargetContext> rtc(context->contextPriv().makeBackendTextureRenderTargetContext(
        texCopy,
        origin,
        sampleCnt,
        std::move(colorSpace),
        props));
    if (!rtc) {
        return nullptr;
    }

    sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc), texCopy.width(),
                                                texCopy.height(),
                                                SkGpuDevice::kUninit_InitContents));
    if (!device) {
        return nullptr;
    }
    return sk_make_sp<SkSurface_Gpu>(std::move(device));
}

sk_sp<GrTexture> GrMockGpu::onWrapRenderableBackendTexture(const GrBackendTexture& tex,
                                                           int sampleCnt,
                                                           GrWrapOwnership ownership) {
    GrSurfaceDesc desc;
    desc.fFlags = kRenderTarget_GrSurfaceFlag;
    desc.fWidth = tex.width();
    desc.fHeight = tex.height();

    GrMockTextureInfo texInfo;
    SkAssertResult(tex.getMockTextureInfo(&texInfo));
    desc.fConfig = texInfo.fConfig;

    GrMipMapsStatus mipMapsStatus =
            tex.hasMipMaps() ? GrMipMapsStatus::kValid : GrMipMapsStatus::kNotAllocated;

    GrMockRenderTargetInfo rtInfo;
    rtInfo.fConfig = texInfo.fConfig;
    // The client gave us the texture ID but we supply the render target ID.
    rtInfo.fID = NextInternalRenderTargetID();

    return sk_sp<GrTexture>(
            new GrMockTextureRenderTarget(this, desc, mipMapsStatus, texInfo, rtInfo));
}

sk_sp<GrTexture> GrGpu::wrapRenderableBackendTexture(const GrBackendTexture& backendTex,
                                                     int sampleCnt, GrWrapOwnership ownership) {
    this->handleDirtyContext();
    if (sampleCnt < 1) {
        return nullptr;
    }
    if (!this->caps()->isConfigTexturable(backendTex.config()) ||
        !this->caps()->getRenderTargetSampleCount(sampleCnt, backendTex.config())) {
        return nullptr;
    }

    if (backendTex.width() > this->caps()->maxRenderTargetSize() ||
        backendTex.height() > this->caps()->maxRenderTargetSize()) {
        return nullptr;
    }
    sk_sp<GrTexture> tex = this->onWrapRenderableBackendTexture(backendTex, sampleCnt, ownership);
    if (tex && !backendTex.hasMipMaps()) {
        // Ganesh will not ever allocate mipmaps for a wrapped resource. By setting this flag here,
        // it will be propagated to any proxy that wraps this texture.
        tex->texturePriv().setDoesNotSupportMipMaps();
    }
    SkASSERT(!tex || tex->asRenderTarget());
    return tex;
}