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);
}
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;
}