sk_sp<SkSurface> SkSurface::MakeFromBackendRenderTarget(GrContext* context,
const GrBackendRenderTarget& backendRT,
GrSurfaceOrigin origin,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* props) {
if (!context) {
return nullptr;
}
if (!SkSurface_Gpu::Valid(context, backendRT.config(), colorSpace.get())) {
return nullptr;
}
sk_sp<GrRenderTargetContext> rtc(
context->contextPriv().makeBackendRenderTargetRenderTargetContext(backendRT,
origin,
std::move(colorSpace),
props));
if (!rtc) {
return nullptr;
}
sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc),
backendRT.width(), backendRT.height(),
SkGpuDevice::kUninit_InitContents));
if (!device) {
return nullptr;
}
return sk_make_sp<SkSurface_Gpu>(std::move(device));
}
sk_sp<GrRenderTarget> GrGpu::wrapBackendRenderTarget(const GrBackendRenderTarget& backendRT) {
if (0 == this->caps()->getRenderTargetSampleCount(backendRT.sampleCnt(), backendRT.config())) {
return nullptr;
}
this->handleDirtyContext();
return this->onWrapBackendRenderTarget(backendRT);
}
sk_sp<GrRenderTarget> GrMockGpu::onWrapBackendRenderTarget(const GrBackendRenderTarget& rt) {
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = rt.width();
desc.fHeight = rt.height();
GrMockRenderTargetInfo info;
SkAssertResult(rt.getMockRenderTargetInfo(&info));
desc.fConfig = info.fConfig;
return sk_sp<GrRenderTarget>(
new GrMockRenderTarget(this, GrMockRenderTarget::kWrapped, desc, info));
}
sk_sp<SkSurface> SkSurface::MakeFromBackendRenderTarget(GrContext* context,
const GrBackendRenderTarget& rt,
GrSurfaceOrigin origin,
SkColorType colorType,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* props) {
if (!context) {
return nullptr;
}
GrBackendRenderTarget rtCopy = rt;
if (!validate_backend_render_target(context, rtCopy, &rtCopy.fConfig, colorType, colorSpace)) {
return nullptr;
}
if (!SkSurface_Gpu::Valid(context, rtCopy.config(), colorSpace.get())) {
return nullptr;
}
if (!context) {
return nullptr;
}
sk_sp<GrRenderTargetContext> rtc(
context->contextPriv().makeBackendRenderTargetRenderTargetContext(
rtCopy, origin, std::move(colorSpace), props));
if (!rtc) {
return nullptr;
}
sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc), rtCopy.width(),
rtCopy.height(),
SkGpuDevice::kUninit_InitContents));
if (!device) {
return nullptr;
}
return sk_make_sp<SkSurface_Gpu>(std::move(device));
}
bool validate_backend_render_target(GrContext* ctx, const GrBackendRenderTarget& rt,
GrPixelConfig* config, SkColorType ct, sk_sp<SkColorSpace> cs) {
// TODO: Create a SkImageColorInfo struct for color, alpha, and color space so we don't need to
// create a fake image info here.
SkImageInfo info = SkImageInfo::Make(1, 1, ct, kPremul_SkAlphaType, cs);
if (!SkSurface_Gpu::Valid(info)) {
return false;
}
if (!ctx->caps()->validateBackendRenderTarget(rt, ct, config)) {
return false;
}
if (rt.sampleCnt() > 1) {
if (ctx->caps()->maxRenderTargetSampleCount(*config) <= 1) {
return false;
}
} else if (!ctx->caps()->isConfigRenderable(*config)) {
return false;
}
return true;
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->priv().proxyProvider();
GrContext* context = ctxInfo.grContext();
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
GrGpu* gpu = context->priv().getGpu();
const GrCaps& caps = *context->priv().caps();
static const int kWidthHeight = 100;
for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
for (auto colorType : { kAlpha_8_SkColorType, kRGBA_8888_SkColorType,
kRGBA_1010102_SkColorType }) {
// External on-screen render target.
// Tests wrapBackendRenderTarget with a GrBackendRenderTarget
// Our test-only function that creates a backend render target doesn't currently support
// sample counts :(.
if (ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType)) {
GrBackendRenderTarget backendRT = gpu->createTestingOnlyBackendRenderTarget(
kWidthHeight, kWidthHeight, SkColorTypeToGrColorType(colorType));
sk_sp<GrSurfaceProxy> sProxy(
proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
nullptr));
check_surface(reporter, sProxy.get(), origin, kWidthHeight, kWidthHeight,
backendRT.pixelConfig(), SkBudgeted::kNo);
static constexpr int kExpectedNumSamples = 1;
check_rendertarget(reporter, caps, resourceProvider, sProxy->asRenderTargetProxy(),
kExpectedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
gpu->deleteTestingOnlyBackendRenderTarget(backendRT);
}
for (auto numSamples : {1, 4}) {
GrPixelConfig config = SkColorType2GrPixelConfig(colorType);
SkASSERT(kUnknown_GrPixelConfig != config);
int supportedNumSamples = caps.getRenderTargetSampleCount(numSamples, config);
if (!supportedNumSamples) {
continue;
}
// Test wrapping FBO 0 (with made up properties). This tests sample count and the
// special case where FBO 0 doesn't support window rectangles.
if (GrBackendApi::kOpenGL == ctxInfo.backend()) {
GrGLFramebufferInfo fboInfo;
fboInfo.fFBOID = 0;
fboInfo.fFormat = GR_GL_RGBA8;
static constexpr int kStencilBits = 8;
GrBackendRenderTarget backendRT(kWidthHeight, kWidthHeight, numSamples,
kStencilBits, fboInfo);
backendRT.setPixelConfig(config);
sk_sp<GrSurfaceProxy> sProxy(
proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
nullptr));
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendRT.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact, 0);
}
// Tests wrapBackendRenderTarget with a GrBackendTexture
{
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
GrMipMapped::kNo,
GrRenderable::kYes);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTextureAsRenderTarget(
backendTex, origin, supportedNumSamples);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue; // This can fail on Mesa
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
context->deleteBackendTexture(backendTex);
}
// Tests wrapBackendTexture that is only renderable
{
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
GrMipMapped::kNo,
GrRenderable::kYes);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapRenderableBackendTexture(
backendTex, origin, supportedNumSamples, kBorrow_GrWrapOwnership,
GrWrapCacheable::kNo, nullptr, nullptr);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue; // This can fail on Mesa
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
context->deleteBackendTexture(backendTex);
}
// Tests wrapBackendTexture that is only textureable
{
// Internal offscreen texture
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
GrMipMapped::kNo,
GrRenderable::kNo);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTexture(
backendTex, origin, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo,
kRead_GrIOType);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue;
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_texture(reporter, resourceProvider, sProxy->asTextureProxy(),
SkBackingFit::kExact);
context->deleteBackendTexture(backendTex);
}
}
}
}
}
